diff --git "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/1.\347\274\226\350\276\221Java\346\272\220\344\273\243\347\240\201/config.json" "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/1.\347\274\226\350\276\221Java\346\272\220\344\273\243\347\240\201/config.json"
index 5d6299e5904ed241b4ac3a9e7de9728ed028baeb..185ce4e858a12aff337a1836cab444a9f08d9f91 100644
--- "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/1.\347\274\226\350\276\221Java\346\272\220\344\273\243\347\240\201/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/1.\347\274\226\350\276\221Java\346\272\220\344\273\243\347\240\201/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-55cfe3ca4d8f4611855475c2ea3737af",
+  "node_id": "java-e16d823e787d40eeae695e9af8ee47cf",
   "keywords": [
     "输出",
     "main",
diff --git "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/2.\347\274\226\350\257\221Java\347\250\213\345\272\217/config.json" "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/2.\347\274\226\350\257\221Java\347\250\213\345\272\217/config.json"
index 38ed77582ac7a0ef53758aac57da761ff616dd99..2d5b29338504050f9a9ceac5aeefbbd9fdb551fd 100644
--- "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/2.\347\274\226\350\257\221Java\347\250\213\345\272\217/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/2.\347\274\226\350\257\221Java\347\250\213\345\272\217/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-5fa1abbd66474a9e98f62e3e172dbdfb",
+  "node_id": "java-bd39af30b80f41be83e406bf49ed02e3",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/3.Java\347\232\204\350\277\220\350\241\214\346\234\272\345\210\266/config.json" "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/3.Java\347\232\204\350\277\220\350\241\214\346\234\272\345\210\266/config.json"
index 23a0dba21aa8341ce780be6b102969f62c698bdf..52771c95d192919a1ddd06d099cce5ac8c5ac7e1 100644
--- "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/3.Java\347\232\204\350\277\220\350\241\214\346\234\272\345\210\266/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/3.Java\347\232\204\350\277\220\350\241\214\346\234\272\345\210\266/config.json"
@@ -1,7 +1,9 @@
 {
-  "node_id": "java-1c7f65aae3e344c39de8791b67e1fbb7",
+  "node_id": "java-78400f646a084398a990070106c0bcc2",
   "keywords": [],
   "children": [],
-  "export": ["runtime.json"],
+  "export": [
+    "runtime.json"
+  ],
   "title": "Java的运行机制"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/4.\346\240\271\346\215\256CLASSPATH\347\216\257\345\242\203\345\217\230\351\207\217\345\256\232\344\275\215\347\261\273/config.json" "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/4.\346\240\271\346\215\256CLASSPATH\347\216\257\345\242\203\345\217\230\351\207\217\345\256\232\344\275\215\347\261\273/config.json"
index 47955ef23c3f796d63660b1b60e4fc6594fedb07..eafa802dc60b94c517a12d334897c09a6b0f9d32 100644
--- "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/4.\346\240\271\346\215\256CLASSPATH\347\216\257\345\242\203\345\217\230\351\207\217\345\256\232\344\275\215\347\261\273/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/4.\346\240\271\346\215\256CLASSPATH\347\216\257\345\242\203\345\217\230\351\207\217\345\256\232\344\275\215\347\261\273/config.json"
@@ -1,7 +1,9 @@
 {
-  "node_id": "java-45cdc91007ba431e87124a6a9c15725e",
+  "node_id": "java-c45177323ffc47f28a8351dd016c55bc",
   "keywords": [],
   "children": [],
-  "export": ["classpath.json"],
+  "export": [
+    "classpath.json"
+  ],
   "title": "根据CLASSPATH环境变量定位类"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/config.json" "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/config.json"
index c7e33a725398411fca68661ae3e1ebbdc67c4ff2..a4f0953ae5cd9a057b1c13aa1fa8d7e18ddbf8dd 100644
--- "a/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/1.Java\346\246\202\350\247\210/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-379b792dde024090a7ed43b392ece2c5",
+  "node_id": "java-d2bffd0bc5f344d18e38d20da5d0825f",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/1.\347\261\273\345\222\214\351\235\242\345\220\221\345\257\271\350\261\241/config.json" "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/1.\347\261\273\345\222\214\351\235\242\345\220\221\345\257\271\350\261\241/config.json"
index bff951002f7c153aa09f4a044a7d6a4562f1212d..7662053b495f58f69b798b1bb43853b5747ca97b 100644
--- "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/1.\347\261\273\345\222\214\351\235\242\345\220\221\345\257\271\350\261\241/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/1.\347\261\273\345\222\214\351\235\242\345\220\221\345\257\271\350\261\241/config.json"
@@ -1,6 +1,8 @@
 {
   "keywords": [],
   "children": [],
-  "node_id": "java-461a08a44ae845018b7f0356ea928085",
-  "export": ["classic.json"]
+  "node_id": "java-6245114372574890b2d4ad8bea4d483b",
+  "export": [
+    "classic.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/2.\346\212\275\350\261\241\347\261\273/config.json" "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/2.\346\212\275\350\261\241\347\261\273/config.json"
index e7edcbf67fba15200b0df88e401ab8782292b6dd..6264a74a692b6a84c3b1cd8cb2cf99621e638190 100644
--- "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/2.\346\212\275\350\261\241\347\261\273/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/2.\346\212\275\350\261\241\347\261\273/config.json"
@@ -1,5 +1,9 @@
 {
-  "keywords": ["面向对象", "抽象类", "接口"],
+  "keywords": [
+    "面向对象",
+    "抽象类",
+    "接口"
+  ],
   "children": [],
-  "node_id": "java-a02b334b2e364161badae34636a0284f"
+  "node_id": "java-846097fc977f4450a363aafb638e8c30"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/3.\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/3.\346\216\245\345\217\243/config.json"
index 7d7394af57d65ed70abd98b4906009e7437d7762..f32f84330946d0735da83bad669e7c2a869fade0 100644
--- "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/3.\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/3.\346\216\245\345\217\243/config.json"
@@ -1,6 +1,12 @@
 {
-  "keywords": ["面向对象", "类型", "接口"],
+  "keywords": [
+    "面向对象",
+    "类型",
+    "接口"
+  ],
   "children": [],
-  "node_id": "java-5d28bfbed25f4ae2b4d21fc1f2222e49",
-  "export":["interface.json"]
+  "node_id": "java-287339cc4b904f798037e080ac5c53c2",
+  "export": [
+    "interface.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/4.\345\214\277\345\220\215\347\261\273/config.json" "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/4.\345\214\277\345\220\215\347\261\273/config.json"
index 2416dc9634ce92d661e5541cdc70dc8dee6b82b4..bd65c2882a1c2ed026c2529c63b9348fd375f56d 100644
--- "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/4.\345\214\277\345\220\215\347\261\273/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/4.\345\214\277\345\220\215\347\261\273/config.json"
@@ -1,8 +1,12 @@
 {
-  "keywords": ["面向对象", "匿名类", "lambda"],
+  "keywords": [
+    "面向对象",
+    "匿名类",
+    "lambda"
+  ],
   "children": [],
-  "node_id": "java-b06b5b2c7a6b44cc87744168729b31e6",
-  "export":[
+  "node_id": "java-8a1e6783509545b7ba9d64e0c6025a6a",
+  "export": [
     "anonymous.json"
   ]
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/config.json"
index c43856ac582ac2e84ff53271c5ff1f6f96e9876b..ae28cd2fe73633509c43cf0137697edf77a79f09 100644
--- "a/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/10.\347\261\273\345\222\214\346\216\245\345\217\243/config.json"
@@ -1,5 +1,5 @@
 {
   "keywords": [],
   "children": [],
-  "node_id": "java-e06f6fb888f940b4894e835d9afc9138"
+  "node_id": "java-4ac81e64cadd4f25886366d769385b30"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/1.\345\255\227\350\212\202\346\265\201/config.json" "b/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/1.\345\255\227\350\212\202\346\265\201/config.json"
index 1dbb92a62bbe8ea142a68e9bad19fc80563340b8..90cd5e3cfe02345e2cbd7452b067dd7d4d33394e 100644
--- "a/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/1.\345\255\227\350\212\202\346\265\201/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/1.\345\255\227\350\212\202\346\265\201/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-5a6948bd7d6d4057ad78dc6923dc4061",
+  "node_id": "java-84d6860a1aff452cbf1857d7a745209e",
   "keywords": [],
   "children": [],
-  "export": ["bytestream.json"]
+  "export": [
+    "bytestream.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/2.File\347\261\273/config.json" "b/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/2.File\347\261\273/config.json"
index 45fa5475f63595675353ca7a8a04151affeed31e..3f34a330ccd86cb3e4c345e667531b213a0c9bfb 100644
--- "a/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/2.File\347\261\273/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/2.File\347\261\273/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-4293c5bec0cb415fac5e1d80be8f6113",
+  "node_id": "java-9ace15fc5a0343429120704bedfd6812",
   "keywords": [],
   "children": [],
-  "export": ["file.json"]
+  "export": [
+    "file.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/config.json" "b/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/config.json"
index 41689e8750d02cece04ece60a6fbcfcb28667d65..41bc59a40f32fd0d6efae5e2e8250e2ade88a263 100644
--- "a/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/11.IO\345\210\235\346\255\245/config.json"
@@ -1,4 +1,4 @@
 {
-  "node_id": "java-7731719237a149f4b72ed3fdf17a16fb",
+  "node_id": "java-d6b4921c0ddb48b296ec51aaa1f20d64",
   "keywords": []
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/1.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225\346\240\274\345\274\217/config.json" "b/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/1.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225\346\240\274\345\274\217/config.json"
index 624076b640f82bbaa04ea0e3adadb2679fe7f226..339116056008f4f458907ca3e645629d9e1ec43a 100644
--- "a/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/1.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225\346\240\274\345\274\217/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/1.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225\346\240\274\345\274\217/config.json"
@@ -1,7 +1,8 @@
 {
-  "node_id": "java-efb87004230b4680a32c6584112c6f20",
+  "node_id": "java-e1152affe31745429dad9816771e70a5",
   "keywords": [
-    "语法", "Hello World"
+    "语法",
+    "Hello World"
   ],
   "children": [],
   "export": [
diff --git "a/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/2.Java\344\270\255\347\232\204\346\263\250\351\207\212/config.json" "b/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/2.Java\344\270\255\347\232\204\346\263\250\351\207\212/config.json"
index fbce9b1fe5a706052cc1d9891f4bc574488e3fd4..959f605f07d72b9b3b2fe43077b3eea23493a815 100644
--- "a/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/2.Java\344\270\255\347\232\204\346\263\250\351\207\212/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/2.Java\344\270\255\347\232\204\346\263\250\351\207\212/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-c668b26b90ab4982bd906933809d6049",
-  "keywords": ["注释 "],
+  "node_id": "java-ed20d8f9663a410b95cf096cef509664",
+  "keywords": [
+    "注释 "
+  ],
   "children": [],
   "export": [
     "comment.json"
diff --git "a/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/3.Java\344\270\255\347\232\204\345\205\263\351\224\256\345\255\227/config.json" "b/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/3.Java\344\270\255\347\232\204\345\205\263\351\224\256\345\255\227/config.json"
index e75c345b0e7e954e3d7ef4e7cc444491cc5dce3f..54093e44486ecba9289baa4408ca9615decd6e56 100644
--- "a/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/3.Java\344\270\255\347\232\204\345\205\263\351\224\256\345\255\227/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/3.Java\344\270\255\347\232\204\345\205\263\351\224\256\345\255\227/config.json"
@@ -1,7 +1,11 @@
 {
-  "node_id": "java-0021d9d14dfc429cab17b4dd912651b6",
-  "keywords": ["关键字"],
+  "node_id": "java-5e227c99fdb04e11a49d267cd462684b",
+  "keywords": [
+    "关键字"
+  ],
   "children": [],
-  "export": ["keyword.json"],
+  "export": [
+    "keyword.json"
+  ],
   "title": "Java中的关键字"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/config.json" "b/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
index 16601cdcce0e571bc1c7c9003140ecaaba3124a7..68ed324bbf96cda4ab5f9a1bfd3e9ca5dd1c228b 100644
--- "a/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/2.Java\347\232\204\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-fc5d065c53404449bf726b5e441706c1",
+  "node_id": "java-052295f40f1141709ac9897350b662ca",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/1.\345\217\230\351\207\217\347\232\204\345\256\232\344\271\211/config.json" "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/1.\345\217\230\351\207\217\347\232\204\345\256\232\344\271\211/config.json"
index 4f3a042861be7eece0520331aa8d79a4015cbf26..4b07e816eeb9c92cf420f208744ce0e3ea8be8dc 100644
--- "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/1.\345\217\230\351\207\217\347\232\204\345\256\232\344\271\211/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/1.\345\217\230\351\207\217\347\232\204\345\256\232\344\271\211/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-b8e6eab222ad4a06b53b4d00182769db",
+  "node_id": "java-067f3804b0df436eb9a6969af54a0ffd",
   "keywords": [
     "变量",
     "赋值",
diff --git "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/2.\345\217\230\351\207\217\347\232\204\346\225\260\346\215\256\347\261\273\345\236\213/config.json" "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/2.\345\217\230\351\207\217\347\232\204\346\225\260\346\215\256\347\261\273\345\236\213/config.json"
index fd71c701c127d4ecada91bfc70b145bbca38b13e..ee0409da6bbff299013ee44d9b62521d582ed7b1 100644
--- "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/2.\345\217\230\351\207\217\347\232\204\346\225\260\346\215\256\347\261\273\345\236\213/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/2.\345\217\230\351\207\217\347\232\204\346\225\260\346\215\256\347\261\273\345\236\213/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-ac26535850ef4aaf8bb9fec08bc47825",
-  "keywords": ["变量", "类型"],
+  "node_id": "java-107733a2dd414cd4a33dbfb2e46281e1",
+  "keywords": [
+    "变量",
+    "类型"
+  ],
   "children": [],
-  "export": ["datatype.json"],
+  "export": [
+    "datatype.json"
+  ],
   "title": "变量的数据类型"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/3.Java\344\270\255\347\232\204\345\270\270\351\207\217/config.json" "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/3.Java\344\270\255\347\232\204\345\270\270\351\207\217/config.json"
index f10233d89369d1a6757cbda4f44432b1e67a3fde..4ff3c5ee3ed24186caca7792e640c50ea5a4092c 100644
--- "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/3.Java\344\270\255\347\232\204\345\270\270\351\207\217/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/3.Java\344\270\255\347\232\204\345\270\270\351\207\217/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-37cc072d202340f5ae3a6e829416edc7",
+  "node_id": "java-79083b80f5be46ab9dc014c98104b69b",
   "keywords": [
     "常量",
     "定义",
diff --git "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/4.\345\217\230\351\207\217\347\232\204\344\275\234\347\224\250\345\237\237/config.json" "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/4.\345\217\230\351\207\217\347\232\204\344\275\234\347\224\250\345\237\237/config.json"
index 728884be6cecf5e2eb1929d12eba36b86e72e480..52d17a7a61cd3d70e41b0e7f75e941c32c796a0d 100644
--- "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/4.\345\217\230\351\207\217\347\232\204\344\275\234\347\224\250\345\237\237/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/4.\345\217\230\351\207\217\347\232\204\344\275\234\347\224\250\345\237\237/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-4657e7685f1543ddbaba55b2562b4ec9",
+  "node_id": "java-02e5f4a31b434461ba257a92117b7f0a",
   "keywords": [
     "常量",
     "定义",
diff --git "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/config.json" "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/config.json"
index 71c235d1de798791205b83caf2f409e1c0400a94..288c0a45349595facd761336c08cd3e0c7784dc1 100644
--- "a/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/3.Java\344\270\255\347\232\204\345\217\230\351\207\217\344\270\216\345\270\270\351\207\217/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-19afc527fd62401aaf89ff81a250d624",
+  "node_id": "java-7b91489a464646a1a7a9c3044be66aa3",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/1.\346\257\224\350\276\203\350\277\220\347\256\227\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/1.\346\257\224\350\276\203\350\277\220\347\256\227\347\254\246/config.json"
index e937f5cac8cdbfad8d48cf5df20f7a578ba2cdaf..ddf6a275286e1113042d9cddd0cf6e23296b79df 100644
--- "a/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/1.\346\257\224\350\276\203\350\277\220\347\256\227\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/1.\346\257\224\350\276\203\350\277\220\347\256\227\347\254\246/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-e858a75415dd4f6cb36cb023f4bb9ed8",
+  "node_id": "java-40605321a90d400abc5afda44f31c184",
   "keywords": [
     "大于",
     "小于",
diff --git "a/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/2.\351\200\273\350\276\221\350\277\220\347\256\227\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/2.\351\200\273\350\276\221\350\277\220\347\256\227\347\254\246/config.json"
index cf84f07d10e26a9271bb3f474fec89b3168b5de2..e543cfaa6307d782ca42bca5c56bb03054430398 100644
--- "a/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/2.\351\200\273\350\276\221\350\277\220\347\256\227\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/2.\351\200\273\350\276\221\350\277\220\347\256\227\347\254\246/config.json"
@@ -1,11 +1,13 @@
 {
-  "node_id": "java-79c8e7f14bee4898a52f3103a29ae564",
+  "node_id": "java-02cf47f86d194d9a88a91e267370a5d2",
   "keywords": [
     "逻辑运算符",
     "组合",
     "优先级"
   ],
   "children": [],
-  "export": ["logic.json"],
+  "export": [
+    "logic.json"
+  ],
   "title": "逻辑运算符"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/3.\347\256\227\346\234\257\350\277\220\347\256\227\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/3.\347\256\227\346\234\257\350\277\220\347\256\227\347\254\246/config.json"
index 18822480a039cb2f8ccc70e0fcbac6933b684209..bdadfd111d7fccd3eec93f63a9c69b1719efe03e 100644
--- "a/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/3.\347\256\227\346\234\257\350\277\220\347\256\227\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/3.\347\256\227\346\234\257\350\277\220\347\256\227\347\254\246/config.json"
@@ -1,10 +1,12 @@
 {
-  "node_id": "java-5d46f8b7ac974df8a24a04805c4a167b",
+  "node_id": "java-b95d6f801e7744e88dce333ada0da7cb",
   "keywords": [
     "算术运算符",
     "优先级"
   ],
   "children": [],
-  "export": ["arithmetic.json"],
+  "export": [
+    "arithmetic.json"
+  ],
   "title": "算术运算符"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/config.json"
index d5c4276d21da063a1af9ee13125858d1e4a6cf56..ac1e36edb2052537a1ae2a381ca26bd2fb31a0f5 100644
--- "a/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/4.Java\344\270\255\347\232\204\350\277\220\347\256\227\347\254\246/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-624bba5cef024d2d8ebf54ded569343d",
+  "node_id": "java-7c363476a5f9428880a703526e65c06e",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/1.if\346\235\241\344\273\266\350\257\255\345\217\245/config.json" "b/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/1.if\346\235\241\344\273\266\350\257\255\345\217\245/config.json"
index cc5dd9670b24042ccc0e8b359d6f2fb4ea65bb28..753f58830a3d95a63fbb697d36349aefe7f2477b 100644
--- "a/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/1.if\346\235\241\344\273\266\350\257\255\345\217\245/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/1.if\346\235\241\344\273\266\350\257\255\345\217\245/config.json"
@@ -1,7 +1,14 @@
 {
-  "node_id": "java-d4a802d353d648a0a4c90daf60774cf3",
-  "keywords": ["条件", "控制", "分支", "if"],
+  "node_id": "java-1bd28ab7bd0c49a48a64cf1b7d2db8e5",
+  "keywords": [
+    "条件",
+    "控制",
+    "分支",
+    "if"
+  ],
   "children": [],
-  "export": ["if.json"],
+  "export": [
+    "if.json"
+  ],
   "title": "if条件语句"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/2.switch\346\235\241\344\273\266\350\257\255\345\217\245/config.json" "b/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/2.switch\346\235\241\344\273\266\350\257\255\345\217\245/config.json"
index 26fb8377ac80f730d9c362fc799cad988b4d87e1..a330c2a1274fbe09a067cca9ae7c28217f26891b 100644
--- "a/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/2.switch\346\235\241\344\273\266\350\257\255\345\217\245/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/2.switch\346\235\241\344\273\266\350\257\255\345\217\245/config.json"
@@ -1,6 +1,13 @@
 {
-  "node_id": "java-180cf0806d374fa4b10fdaebcc946d89",
-  "keywords": ["条件", "控制", "分支", "switch"],
+  "node_id": "java-d7ec0874b36f405a83312de7d1acfd41",
+  "keywords": [
+    "条件",
+    "控制",
+    "分支",
+    "switch"
+  ],
   "children": [],
-  "export": ["switch.json"]
+  "export": [
+    "switch.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/config.json" "b/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
index b9b0de21a4da43bdf9927d54bdb95ba9abf6442f..085e9cf20ac34653deea527611de3d25d4b8a9aa 100644
--- "a/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/5.\351\200\211\346\213\251\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-630751c514da49b9b675fddc5b2d0418",
+  "node_id": "java-c8e3ba6ad5ea4616a33a70d3f9399d09",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/1.dowhile\345\276\252\347\216\257/config.json" "b/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/1.dowhile\345\276\252\347\216\257/config.json"
index e4faecb1bacab84a1db98d01feb256e326d984fd..bcef1be2cc8264576e2b3506ad2a15085cd31d06 100644
--- "a/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/1.dowhile\345\276\252\347\216\257/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/1.dowhile\345\276\252\347\216\257/config.json"
@@ -1,6 +1,12 @@
 {
-  "node_id": "java-9814a131da364cd0a3933b640ddb421c",
-  "keywords": ["循环", "do", "while"],
+  "node_id": "java-11e6f3d28ed14d9382a397e2c5bcbe73",
+  "keywords": [
+    "循环",
+    "do",
+    "while"
+  ],
   "children": [],
-  "export": ["dowhile.json"]
+  "export": [
+    "dowhile.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/2.for\345\276\252\347\216\257\350\257\255\345\217\245/config.json" "b/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/2.for\345\276\252\347\216\257\350\257\255\345\217\245/config.json"
index f77b532b54ad868ce16c907a5159efe1c138159b..073451317d8abe4439dea3207bb60e7e74a9e0ec 100644
--- "a/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/2.for\345\276\252\347\216\257\350\257\255\345\217\245/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/2.for\345\276\252\347\216\257\350\257\255\345\217\245/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-911127b38b884ab4bb5a35365c41833b",
-  "keywords": ["循环", "for"],
+  "node_id": "java-4f59f0877fec4c6ca6d6426fe5e02981",
+  "keywords": [
+    "循环",
+    "for"
+  ],
   "children": [],
-  "export": ["for.json"],
+  "export": [
+    "for.json"
+  ],
   "title": "for循环语句"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/config.json" "b/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
index 34ac4d4eb6e1a6ad30545d147bbce396ba65e2d6..e1c088bd84dd41aad3788a004fe6fc2b8f01b6e5 100644
--- "a/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/6.\345\276\252\347\216\257\347\273\223\346\236\204\350\257\255\345\217\245/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-672a697e644041cda2a90dc1ca90d2a9",
+  "node_id": "java-c5975909c2f84aad8081eadc3580a53a",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/1.Collection\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/1.Collection\346\216\245\345\217\243/config.json"
index d7f68c6e865f1c6b316198ca2e54af50ae19ce00..8a56431e8dc720342bda16811ff98cd4b2b21695 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/1.Collection\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/1.Collection\346\216\245\345\217\243/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-73271e880f0843f69437427bfc557ff2",
-  "keywords": ["集合", "collection"],
+  "node_id": "java-39d21ebbb6574d489a8b53eb78ae5075",
+  "keywords": [
+    "集合",
+    "collection"
+  ],
   "children": [],
-  "export": ["collection.json"],
+  "export": [
+    "collection.json"
+  ],
   "title": "Collection接口"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/10.\346\240\221\351\233\206/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/10.\346\240\221\351\233\206/config.json"
index 45a4e4a7d01f2ae4299b4e41901beb61ab3654d3..04cc17606820bfc5d6c0981654c36a117af0f425 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/10.\346\240\221\351\233\206/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/10.\346\240\221\351\233\206/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-b295e8ba38ed4e3c90ea0f7b0d70039e",
-  "keywords": ["集合", "树"],
+  "node_id": "java-ec6f03d161eb493aa5be60fd7a15014a",
+  "keywords": [
+    "集合",
+    "树"
+  ],
   "children": [],
-  "export": ["treeset.json"],
+  "export": [
+    "treeset.json"
+  ],
   "title": "树集"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/11.\346\230\240\345\260\204/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/11.\346\230\240\345\260\204/config.json"
index 8d77f35970dc8a5caefd0d4768b36b62f5e906bc..1f4ef43ac2bdc03c899cf255e69feb37b79caa09 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/11.\346\230\240\345\260\204/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/11.\346\230\240\345\260\204/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-7625240ab0254b198142c52926465f42",
-  "keywords": ["集合", "映射", "字典"],
+  "node_id": "java-5e23eb6283b542229606e55e3aa70b1a",
+  "keywords": [
+    "集合",
+    "映射",
+    "字典"
+  ],
   "children": [
     {
       "基本映射操作": {
@@ -55,6 +59,8 @@
       }
     }
   ],
-  "export": ["map.json"],
+  "export": [
+    "map.json"
+  ],
   "title": "映射"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/12.\351\201\227\347\225\231\347\232\204\351\233\206\345\220\210/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/12.\351\201\227\347\225\231\347\232\204\351\233\206\345\220\210/config.json"
index 68f1ec01cdd68d9cf0b632e8d73dcd180ade8b7a..588582a32bae67c08192ef3327511cb1cc305090 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/12.\351\201\227\347\225\231\347\232\204\351\233\206\345\220\210/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/12.\351\201\227\347\225\231\347\232\204\351\233\206\345\220\210/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-7f1d9ed947de49588bb7c8a02e052c10",
+  "node_id": "java-ef4a7b762d7a4e04b156f0741e0bfdca",
   "keywords": [],
   "children": [
     {
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/13.\347\274\226\345\206\231equals\345\222\214hashCode/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/13.\347\274\226\345\206\231equals\345\222\214hashCode/config.json"
index 741847fc7dc3d852c79fefe96d9f16ad4a6980a3..9caca669dbff067cad5db7b28cc241ee591c2459 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/13.\347\274\226\345\206\231equals\345\222\214hashCode/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/13.\347\274\226\345\206\231equals\345\222\214hashCode/config.json"
@@ -1,7 +1,14 @@
 {
-  "node_id": "java-bb2a2b6d7b114799b01aa89bafbdab86",
-  "keywords": ["判等", "hash", "equals"],
+  "node_id": "java-f3ad570814b549d6b0d5a28fb298c279",
+  "keywords": [
+    "判等",
+    "hash",
+    "equals"
+  ],
   "children": [],
-  "export": ["equals.json", "hashCode.json"],
+  "export": [
+    "equals.json",
+    "hashCode.json"
+  ],
   "title": "编写equals和hashCode"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/14.\344\275\277\347\224\250TreeMap/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/14.\344\275\277\347\224\250TreeMap/config.json"
index c3d9c9cfb5b9fed9e15482056d36fb8096b8f2b8..4b056709fb98d78e0d303f9b4d7e8d986557eb75 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/14.\344\275\277\347\224\250TreeMap/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/14.\344\275\277\347\224\250TreeMap/config.json"
@@ -1,7 +1,13 @@
 {
-  "node_id": "java-6d9ccc979da54411ac65fccd1a12071e",
-  "keywords": ["集合", "TreeMap", "字典"],
+  "node_id": "java-6511b740e034409d98de6f224805ddd5",
+  "keywords": [
+    "集合",
+    "TreeMap",
+    "字典"
+  ],
   "children": [],
-  "export": ["treemap.json"],
+  "export": [
+    "treemap.json"
+  ],
   "title": "使用TreeMap"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/15.\344\275\277\347\224\250Properties/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/15.\344\275\277\347\224\250Properties/config.json"
index 41d25ea675b80a37163fa15a301297171295bb93..bdc3d64dc15abefd3b5a61d0a3307e662ff2dab6 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/15.\344\275\277\347\224\250Properties/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/15.\344\275\277\347\224\250Properties/config.json"
@@ -1,7 +1,13 @@
 {
-  "node_id": "java-7b0b78c00f934f7f958dcf7107243ae1",
-  "keywords": ["属性", "字典", "集合"],
+  "node_id": "java-b7b1037228554cadac23f38be9be40cd",
+  "keywords": [
+    "属性",
+    "字典",
+    "集合"
+  ],
   "children": [],
-  "export": ["properties.json"],
+  "export": [
+    "properties.json"
+  ],
   "title": "使用Properties"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/16.\344\275\277\347\224\250Deque/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/16.\344\275\277\347\224\250Deque/config.json"
index dbc66ea9c431055e1a0932f4cb8fa0fcc121f1e1..a52de48d2a3dfc1a07ad85f6c28717a74f4cdf48 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/16.\344\275\277\347\224\250Deque/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/16.\344\275\277\347\224\250Deque/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-ff4a16d20df24eda93d843749e777a76",
-  "keywords": ["集合", "队列"],
+  "node_id": "java-689fe247c4504632a3365d4e437bca77",
+  "keywords": [
+    "集合",
+    "队列"
+  ],
   "children": [],
-  "export": ["deque.json"],
+  "export": [
+    "deque.json"
+  ],
   "title": "使用Deque"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/2.List\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/2.List\346\216\245\345\217\243/config.json"
index 496d10e21a4bdda40b5c381d3a0b11e33699c457..251502bee29203c1fa8b73bbcb80bf208a4db728 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/2.List\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/2.List\346\216\245\345\217\243/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-c6a5d8d2c6394aae9ba504a2d2e922e8",
-  "keywords": ["集合", "list", "列表"],
+  "node_id": "java-72ac1cff9fa0483daebfd047ceba892a",
+  "keywords": [
+    "集合",
+    "list",
+    "列表"
+  ],
   "children": [
     {
       "List接口简介": {
@@ -27,6 +31,8 @@
       }
     }
   ],
-  "export": ["list.json"],
+  "export": [
+    "list.json"
+  ],
   "title": "List接口"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/3.Collection\351\233\206\345\220\210\351\201\215\345\216\206/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/3.Collection\351\233\206\345\220\210\351\201\215\345\216\206/config.json"
index 0435c95aaf343e22018ea4184dcfbff859260940..fd378af3d318a7d8723d779e517aa42bc8bee14b 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/3.Collection\351\233\206\345\220\210\351\201\215\345\216\206/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/3.Collection\351\233\206\345\220\210\351\201\215\345\216\206/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-04044ad9b1914b928a0f48be4478f9ac",
-  "keywords": ["集合", "迭代", "iteratable"],
+  "node_id": "java-8e6db42c1f904497b0328d69cc4d7269",
+  "keywords": [
+    "集合",
+    "迭代",
+    "iteratable"
+  ],
   "children": [
     {
       "Iterator遍历集合": {
@@ -27,6 +31,8 @@
       }
     }
   ],
-  "export": ["iteratable.json"],
+  "export": [
+    "iteratable.json"
+  ],
   "title": "Collection集合遍历"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/4.Set\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/4.Set\346\216\245\345\217\243/config.json"
index 8c208c8e970cdf2442323b01e3a427e73eee50d9..df1ca322d54982d7d5f82f8bae318d93328cb063 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/4.Set\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/4.Set\346\216\245\345\217\243/config.json"
@@ -1,6 +1,9 @@
 {
-  "node_id": "java-243249b52e4449d1acc2f61ac3d492c4",
-  "keywords": ["集合", "set"],
+  "node_id": "java-ea95600433e647798f34c007f4e5b563",
+  "keywords": [
+    "集合",
+    "set"
+  ],
   "children": [
     {
       "Set接口简介": {
@@ -27,6 +30,8 @@
       }
     }
   ],
-  "export": ["set.json"],
+  "export": [
+    "set.json"
+  ],
   "title": "Set接口"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/5.Map\346\216\245\345\217\243/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/5.Map\346\216\245\345\217\243/config.json"
index c5159aa35c9507b0b5d632258fc6ed9f6320168e..e4a9ab3764b1c096d2764fa27b05e80345400033 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/5.Map\346\216\245\345\217\243/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/5.Map\346\216\245\345\217\243/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-585898e24579448980def03a33fd553c",
-  "keywords": ["集合", "字典", "map"],
+  "node_id": "java-dd73a6ef0624460fa34a19548a379eca",
+  "keywords": [
+    "集合",
+    "字典",
+    "map"
+  ],
   "children": [
     {
       "Map接口简介": {
@@ -41,6 +45,8 @@
       }
     }
   ],
-  "export": ["map.json"],
+  "export": [
+    "map.json"
+  ],
   "title": "Map接口"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/6.Java\351\233\206\345\220\210\346\241\206\346\236\266/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/6.Java\351\233\206\345\220\210\346\241\206\346\236\266/config.json"
index 4e6fb12867cd553dc1d9fc7a8d909348fb297b6d..597a64f2c6c11bf338ca00bb741d3770167ffe69 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/6.Java\351\233\206\345\220\210\346\241\206\346\236\266/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/6.Java\351\233\206\345\220\210\346\241\206\346\236\266/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-860b3800347942d2857795251974730b",
+  "node_id": "java-8140e7596be44a9ab799699610e130a7",
   "keywords": [],
   "children": [
     {
@@ -19,6 +19,8 @@
       }
     }
   ],
-  "export": ["collection.json"],
+  "export": [
+    "collection.json"
+  ],
   "title": "Java集合框架"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/7.\351\223\276\350\241\250/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/7.\351\223\276\350\241\250/config.json"
index 4ccb8573d49ce9105d3cc05a3a193492ba9855d9..0b7eb2f84d2929cab5299a789c6dfb69f9c694ad 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/7.\351\223\276\350\241\250/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/7.\351\223\276\350\241\250/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-bfbb4319eb60496583ace9aca561c7ab",
-  "keywords": ["集合", "链表"],
+  "node_id": "java-0bda6e52d31b489882ead3df46f3bede",
+  "keywords": [
+    "集合",
+    "链表"
+  ],
   "children": [],
-  "export": ["linkedlist.json"],
+  "export": [
+    "linkedlist.json"
+  ],
   "title": "链表"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/8.\346\225\260\347\273\204\345\210\227\350\241\250/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/8.\346\225\260\347\273\204\345\210\227\350\241\250/config.json"
index 1179b31cb64488cb6b0970727361612e9b9c2746..0bf4d3632e82e1a2232c302e3603d8a95291601a 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/8.\346\225\260\347\273\204\345\210\227\350\241\250/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/8.\346\225\260\347\273\204\345\210\227\350\241\250/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-a8e9302bf3f34c67b6d0d1d1dd5b8e06",
-  "keywords": ["集合", "ArrayList"],
+  "node_id": "java-9574759756834e61939bcc36a66a8ef7",
+  "keywords": [
+    "集合",
+    "ArrayList"
+  ],
   "children": [],
-  "export": ["arraylist.json"],
+  "export": [
+    "arraylist.json"
+  ],
   "title": "数组列表"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/9.\346\225\243\345\210\227\351\233\206/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/9.\346\225\243\345\210\227\351\233\206/config.json"
index 423e23eea95a6e4295ce71bd4b97d0167333fe2a..f39e894253270b24c0301a690e621771e9bd1150 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/9.\346\225\243\345\210\227\351\233\206/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/9.\346\225\243\345\210\227\351\233\206/config.json"
@@ -1,6 +1,9 @@
 {
-  "node_id": "java-53a2b2fe37394f808059240a7a65c347",
-  "keywords": ["集合", "HashSet"],
+  "node_id": "java-9f72cd8a7a0545b19125b8e7b80eb898",
+  "keywords": [
+    "集合",
+    "HashSet"
+  ],
   "children": [],
   "export": [],
   "title": "散列集"
diff --git "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/config.json" "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/config.json"
index fef76ddb09f13bd95920c8e1d61be3e7bbb7dfd4..7e8bd464acf49da794f33cf0b27c1159f139a565 100644
--- "a/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/7.\351\233\206\345\220\210/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-43b99c9c823a4ff798631990686d3088",
+  "node_id": "java-22c1e05d83854618bd8189dc7bba5568",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/1.\347\256\227\346\234\257\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/1.\347\256\227\346\234\257\346\223\215\344\275\234\347\254\246/config.json"
index ee82108d19dae26f6061b540f1dab4d54efcef4b..2b02938137dc6d2687f3a1cbc6f8323b0a43936d 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/1.\347\256\227\346\234\257\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/1.\347\256\227\346\234\257\346\223\215\344\275\234\347\254\246/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-a4cc291dc2264301a87f361de4b8d6ea",
-  "keywords": ["算术操作符"],
+  "node_id": "java-067d4f9f83d249088646927243d1c070",
+  "keywords": [
+    "算术操作符"
+  ],
   "children": [
     {
       "一元加、减操作符": {
@@ -11,6 +13,8 @@
       }
     }
   ],
-  "export": ["arithmetic.json"],
+  "export": [
+    "arithmetic.json"
+  ],
   "title": "算术操作符"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/2.\350\207\252\345\212\250\351\200\222\345\242\236\345\222\214\351\200\222\345\207\217/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/2.\350\207\252\345\212\250\351\200\222\345\242\236\345\222\214\351\200\222\345\207\217/config.json"
index 5b29bb25a1ab0d8d71ba36c9f8fc125f70f13454..be8ab0932918213f918611ed979dc70771f8ede7 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/2.\350\207\252\345\212\250\351\200\222\345\242\236\345\222\214\351\200\222\345\207\217/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/2.\350\207\252\345\212\250\351\200\222\345\242\236\345\222\214\351\200\222\345\207\217/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-f6e6b9e930ef46699788339fc7322f18",
-  "keywords": ["递增", "递减"],
+  "node_id": "java-970ef3c3041f4503b968311f1405a507",
+  "keywords": [
+    "递增",
+    "递减"
+  ],
   "children": [],
-  "export": ["autoincrease.json"],
+  "export": [
+    "autoincrease.json"
+  ],
   "title": "自动递增和递减"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/3.\345\205\263\347\263\273\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/3.\345\205\263\347\263\273\346\223\215\344\275\234\347\254\246/config.json"
index 8143ab1d350c6d51036143ca3f84f269646e8b83..d009ea026a5584b8f167c549b5229c809b29638b 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/3.\345\205\263\347\263\273\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/3.\345\205\263\347\263\273\346\223\215\344\275\234\347\254\246/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-21247e52fb0849699959f78321bc855e",
-  "keywords": ["关系运算"],
+  "node_id": "java-7718848181304d78a25acd261b97f036",
+  "keywords": [
+    "关系运算"
+  ],
   "children": [
     {
       "测试对象的等价性": {
@@ -11,6 +13,8 @@
       }
     }
   ],
-  "export": ["relatship.json"],
+  "export": [
+    "relatship.json"
+  ],
   "title": "关系操作符"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/4.\351\200\273\350\276\221\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/4.\351\200\273\350\276\221\346\223\215\344\275\234\347\254\246/config.json"
index 972804c296c51fb7b663ee0692b5d7e4c7acb673..4495346af10bc645cc94ace2214956eb58076032 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/4.\351\200\273\350\276\221\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/4.\351\200\273\350\276\221\346\223\215\344\275\234\347\254\246/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-a7a6076a60e140f18b63b6ea3574eed2",
-  "keywords": ["逻辑", "布尔", "bool", "boolean"],
+  "node_id": "java-8a184fa3b2ef41ebaff668fdc37051d2",
+  "keywords": [
+    "逻辑",
+    "布尔",
+    "bool",
+    "boolean"
+  ],
   "children": [
     {
       "短路": {
@@ -11,6 +16,8 @@
       }
     }
   ],
-  "export": ["logic.json"],
+  "export": [
+    "logic.json"
+  ],
   "title": "逻辑操作符"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/5.\346\214\211\344\275\215\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/5.\346\214\211\344\275\215\346\223\215\344\275\234\347\254\246/config.json"
index 85c94cd8e16e4e84b2fde9d3d3625afe55de4060..cc28b6132c6ac6777d7248f9ed1eb903ce6f043e 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/5.\346\214\211\344\275\215\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/5.\346\214\211\344\275\215\346\223\215\344\275\234\347\254\246/config.json"
@@ -1,7 +1,13 @@
 {
-  "node_id": "java-58320af2f24648198eda32c4da587b5d",
-  "keywords": ["位运算", "bit", "比特"],
+  "node_id": "java-8fbd566aa3494dafafcfdd80a36dc571",
+  "keywords": [
+    "位运算",
+    "bit",
+    "比特"
+  ],
   "children": [],
-  "export": ["bit.json"],
+  "export": [
+    "bit.json"
+  ],
   "title": "按位操作符"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/6.\347\247\273\344\275\215\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/6.\347\247\273\344\275\215\346\223\215\344\275\234\347\254\246/config.json"
index 31466f87ce5ecd52ea011ba3cb2d44b51d2e5c5c..246a7af47f9c6164600a5720f595548cf6ff3440 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/6.\347\247\273\344\275\215\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/6.\347\247\273\344\275\215\346\223\215\344\275\234\347\254\246/config.json"
@@ -1,7 +1,13 @@
 {
-  "node_id": "java-0d405a41281d424ca00dca4e18c12b61",
-  "keywords": ["位运算", "左移", "右移"],
+  "node_id": "java-7fcb4dfbecf241a8a61bb04249066634",
+  "keywords": [
+    "位运算",
+    "左移",
+    "右移"
+  ],
   "children": [],
-  "export": ["move.json"],
+  "export": [
+    "move.json"
+  ],
   "title": "移位操作符"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/7.\344\270\211\345\205\203\346\223\215\344\275\234\347\254\246if-else/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/7.\344\270\211\345\205\203\346\223\215\344\275\234\347\254\246if-else/config.json"
index b57c956ae9d05808a65834cca9c4bcd7dc0dfe0d..86142cb28c39907c7c4daae40c7117d96598bfd2 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/7.\344\270\211\345\205\203\346\223\215\344\275\234\347\254\246if-else/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/7.\344\270\211\345\205\203\346\223\215\344\275\234\347\254\246if-else/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-27584561349847fa84c7905215131621",
-  "keywords": ["逻辑", "三元运算符"],
+  "node_id": "java-3a30857c92ec4dbe92f63ec17e4a23ba",
+  "keywords": [
+    "逻辑",
+    "三元运算符"
+  ],
   "children": [],
-  "export": ["three.json"],
+  "export": [
+    "three.json"
+  ],
   "title": "三元操作符if-else"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/8.\345\255\227\347\254\246\344\270\262\346\223\215\344\275\234\347\254\246 + \345\222\214 +=/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/8.\345\255\227\347\254\246\344\270\262\346\223\215\344\275\234\347\254\246 + \345\222\214 +=/config.json"
index f6a1b15c00cbca19d79c77357c3a03f86aba1ff7..598b3e12aeb98a6d0d1b95a8985de692a735a9d9 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/8.\345\255\227\347\254\246\344\270\262\346\223\215\344\275\234\347\254\246 + \345\222\214 +=/config.json"	
+++ "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/8.\345\255\227\347\254\246\344\270\262\346\223\215\344\275\234\347\254\246 + \345\222\214 +=/config.json"	
@@ -1,7 +1,11 @@
 {
-  "node_id": "java-8fad68e2479a4e93875c6ca1746baef6",
-  "keywords": ["字符串"],
+  "node_id": "java-61e0d057216e4447a1ea3abfcad41597",
+  "keywords": [
+    "字符串"
+  ],
   "children": [],
-  "export": ["String.json"],
+  "export": [
+    "String.json"
+  ],
   "title": "字符串操作符 + 和 +="
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/config.json" "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/config.json"
index addb18c299d4523595bbee4c1944d69cb9603bf7..133874a2d89cf4dac539c65e97e8af1dd04980f8 100644
--- "a/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/8.\346\223\215\344\275\234\347\254\246/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-d131f1a8df9446d383ed50bbd172c4bb",
+  "node_id": "java-49691291d1ca4476a49218f12b368fb3",
   "keywords": [],
   "children": [
     {
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/1.if-else/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/1.if-else/config.json"
index 8c4e45c278bba6b679d88945a34061bfd01f2ccc..5ebc0e7b8a420bf425049f462076a5b0d00592f1 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/1.if-else/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/1.if-else/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-85a126a6ba39488aaabd2d4015353175",
-  "keywords": ["流程控制", "if", "else"],
+  "node_id": "java-b176dd68d8184c19a2b9e0da24fb0cc2",
+  "keywords": [
+    "流程控制",
+    "if",
+    "else"
+  ],
   "children": [],
   "export": [],
   "title": "if-else"
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/2.for/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/2.for/config.json"
index d740e98316927ce30c80a372f7abd90b2bc00797..6d9310a609be1ad5819fbe878420c658dcdd1236 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/2.for/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/2.for/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-722dc1cccbc74369b9bff5ac580bc649",
-  "keywords": ["流程控制", "for", "循环", "foreach"],
+  "node_id": "java-79bef855ee3d4413a2bb63bc9cba7bdc",
+  "keywords": [
+    "流程控制",
+    "for",
+    "循环",
+    "foreach"
+  ],
   "children": [],
   "export": [
     "for.json",
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/3.switch/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/3.switch/config.json"
index 56a3f032afc502b9bda1f5b63f454c2f6ecc4f2d..e6b8be967ee07c5d6a5184fcb0b298af9080562b 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/3.switch/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/3.switch/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-05144fa9daf94a64ad0667eab1d6cc9a",
-  "keywords": ["流程控制", "switch"],
+  "node_id": "java-6d36ce3817c141dea6187c23fd76fe97",
+  "keywords": [
+    "流程控制",
+    "switch"
+  ],
   "children": [],
-  "export": ["switch.json"],
+  "export": [
+    "switch.json"
+  ],
   "title": "switch"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/4.\351\200\232\350\277\207\345\274\202\345\270\270\345\244\204\347\220\206\351\224\231\350\257\257/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/4.\351\200\232\350\277\207\345\274\202\345\270\270\345\244\204\347\220\206\351\224\231\350\257\257/config.json"
index a3c8e30fce0180b46ce6222c51585a6b9a4cbe8e..366e7fa22a309c572c71d8bb6e576dd49cade6b6 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/4.\351\200\232\350\277\207\345\274\202\345\270\270\345\244\204\347\220\206\351\224\231\350\257\257/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/4.\351\200\232\350\277\207\345\274\202\345\270\270\345\244\204\347\220\206\351\224\231\350\257\257/config.json"
@@ -1,6 +1,12 @@
 {
-  "node_id": "java-d11b7f01004c443ea6226d174ba1e3fa",
-  "keywords": ["异常", "错误", "try", "catch", "finally"],
+  "node_id": "java-cd80c24d159e4e20abb460d96505c6ce",
+  "keywords": [
+    "异常",
+    "错误",
+    "try",
+    "catch",
+    "finally"
+  ],
   "children": [
     {
       "概念": {
@@ -215,6 +221,9 @@
       }
     }
   ],
-  "export": ["exception.json", "using.json"],
+  "export": [
+    "exception.json",
+    "using.json"
+  ],
   "title": "通过异常处理错误"
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/5.\345\207\275\346\225\260/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/5.\345\207\275\346\225\260/config.json"
index f06678731ed39a152c93027ada9f053691833eb0..7a085321c40b94be6d50f3ef9111cbfb4c679c59 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/5.\345\207\275\346\225\260/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/5.\345\207\275\346\225\260/config.json"
@@ -1,6 +1,12 @@
 {
-  "node_id": "java-f2482f12e0634885bdf6701a5a802c77",
-  "keywords": ["函数", "function"],
+  "node_id": "java-57727de6d6194b8b8aa3d295e687c510",
+  "keywords": [
+    "函数",
+    "function"
+  ],
   "children": [],
-  "export": ["call.json", "parser.json"]
+  "export": [
+    "call.json",
+    "parser.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/config.json" "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/config.json"
index 75cb286f16a13434af9d31e6e53757b626e0f493..6b2f4da0c3f016474e1b516560b37cc5865cc910 100644
--- "a/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/9.\346\216\247\345\210\266\346\211\247\350\241\214\346\265\201\347\250\213/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-05024fbfd53a4d88978d6c78d7ff06bf",
+  "node_id": "java-bafd95feb9e349019012c0ec055f09d3",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/1.Java\345\210\235\351\230\266/config.json" "b/data/1.Java\345\210\235\351\230\266/config.json"
index c9610614fa77c636d9021f9be0c7d847d9a48556..d734b4df2e3b338b8c37aa2a71827141682b353b 100644
--- "a/data/1.Java\345\210\235\351\230\266/config.json"
+++ "b/data/1.Java\345\210\235\351\230\266/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-71a99d2763734420aee110c5c5b904d8",
+  "node_id": "java-5bf10223efbe4f1cbfbde20a951dc48c",
   "keywords": [],
   "title": "Java初阶"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO/1.\346\265\201\346\246\202\350\277\260/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO/1.\346\265\201\346\246\202\350\277\260/config.json"
index bbda12a8244221b465292fd583e20c9898646e15..0c758befc171b68d0ec1381b837f90a4d539192d 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO/1.\346\265\201\346\246\202\350\277\260/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO/1.\346\265\201\346\246\202\350\277\260/config.json"
@@ -1,7 +1,14 @@
 {
-  "node_id": "java-9d6d81f6283d414ba54d97cb25373b7c",
-  "keywords": ["流", "stream", "input", "output"],
+  "node_id": "java-6da603558a424170816e84f9fd64ae31",
+  "keywords": [
+    "流",
+    "stream",
+    "input",
+    "output"
+  ],
   "children": [],
-  "export": ["Abstract.json"],
+  "export": [
+    "Abstract.json"
+  ],
   "title": "流概述"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO/2.RandomAccessFile/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO/2.RandomAccessFile/config.json"
index 51910d90a650118ff548a7fd9e1d7f18fc86059b..170d3acfef219c764f7a4b0d9515973e0f80b9b9 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO/2.RandomAccessFile/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO/2.RandomAccessFile/config.json"
@@ -1,7 +1,14 @@
 {
-  "node_id": "java-3c0553280d2a4b60983a5ae18e7112a4",
-  "keywords": ["随机", "访问", "文件", "file"],
+  "node_id": "java-ec591c6ce5d7489791a18733f6bb7795",
+  "keywords": [
+    "随机",
+    "访问",
+    "文件",
+    "file"
+  ],
   "children": [],
-  "export": ["RandomAccessFile.json"],
+  "export": [
+    "RandomAccessFile.json"
+  ],
   "title": "RandomAccessFile"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO/3.\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO/3.\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
index 5dee4b12e98334c09f65f924a0f195d9c7a773c2..ac9f419c5921e9de6785f97e0a2b57c48b0b4e59 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO/3.\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO/3.\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
@@ -1,6 +1,12 @@
 {
-  "node_id": "java-4395c520c7514a97a792922acd5937bb",
-  "keywords": ["input", "output", "stream", "输入", "输出"],
+  "node_id": "java-46de4fc1b41e46bdaf36a979f81a64bb",
+  "keywords": [
+    "input",
+    "output",
+    "stream",
+    "输入",
+    "输出"
+  ],
   "children": [
     {
       "输入流": {
@@ -19,6 +25,8 @@
       }
     }
   ],
-  "export": ["Input.json"],
+  "export": [
+    "Input.json"
+  ],
   "title": "输入输出流"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO/4.\346\226\207\344\273\266\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO/4.\346\226\207\344\273\266\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
index 8bff57d9a388e8b389c16fd7d46f05eebe416a8b..61d3397171a48d0f1477a4f131a7cf9ccf6b5717 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO/4.\346\226\207\344\273\266\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO/4.\346\226\207\344\273\266\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
@@ -1,6 +1,15 @@
 {
-  "node_id": "java-132615c6b56b4ea883622abf5b81128d",
-  "keywords": ["file", "input", "output", "文件", "输入", "输出", "reader", "writer"],
+  "node_id": "java-2b49c706058e459eba5a3eb8fe359aab",
+  "keywords": [
+    "file",
+    "input",
+    "output",
+    "文件",
+    "输入",
+    "输出",
+    "reader",
+    "writer"
+  ],
   "children": [
     {
       "FileInputStream类与FileOutputStream类": {
@@ -19,6 +28,9 @@
       }
     }
   ],
-  "export": ["FileRead.json", "FileWriter.json"],
+  "export": [
+    "FileRead.json",
+    "FileWriter.json"
+  ],
   "title": "文件输入输出流"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO/5.\345\257\271\350\261\241\345\272\217\345\210\227\345\214\226/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO/5.\345\257\271\350\261\241\345\272\217\345\210\227\345\214\226/config.json"
index 5eb04c9b9e7bf8e1f94f8c1406255cbb20a89cfb..9025ab4ff475621597b4a78881858e55d93bc18f 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO/5.\345\257\271\350\261\241\345\272\217\345\210\227\345\214\226/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO/5.\345\257\271\350\261\241\345\272\217\345\210\227\345\214\226/config.json"
@@ -1,7 +1,13 @@
 {
-  "node_id": "java-ec1081c263a84d41b692d4821d8254e6",
-  "keywords": ["序列化", "serialize", "serializable"],
+  "node_id": "java-3f3fdd689e5e447da5dae827492cc46c",
+  "keywords": [
+    "序列化",
+    "serialize",
+    "serializable"
+  ],
   "children": [],
-  "export": ["ObjectSerializable.json"],
+  "export": [
+    "ObjectSerializable.json"
+  ],
   "title": "对象序列化"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO/6.ZIP\345\216\213\347\274\251\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO/6.ZIP\345\216\213\347\274\251\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
index e2e59b2b0b793910ba58e99aef6493f8a86d1f2f..ca67ff9ff4632ca034078b673d584bce1e43a508 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO/6.ZIP\345\216\213\347\274\251\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO/6.ZIP\345\216\213\347\274\251\350\276\223\345\205\245\350\276\223\345\207\272\346\265\201/config.json"
@@ -1,6 +1,15 @@
 {
-  "node_id": "java-822ae98d5b294e699b7ed1bc6ffb9425",
-  "keywords": ["zip", "unzip", "input", "output", "stream", "压缩", "解压", "流"],
+  "node_id": "java-4978ad4ba9eb4a44b7820841c7fc7102",
+  "keywords": [
+    "zip",
+    "unzip",
+    "input",
+    "output",
+    "stream",
+    "压缩",
+    "解压",
+    "流"
+  ],
   "children": [
     {
       "压缩文件": {
@@ -19,6 +28,9 @@
       }
     }
   ],
-  "export": ["Zip.json", "Unzip.json"],
+  "export": [
+    "Zip.json",
+    "Unzip.json"
+  ],
   "title": "ZIP压缩输入输出流"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO/7.InputStream\347\261\273\345\236\213/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO/7.InputStream\347\261\273\345\236\213/config.json"
index a0f74ea6a33575546165d527a71893912af48b37..c6605767eae263d5ca4ec772bcfa2497e38b70cc 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO/7.InputStream\347\261\273\345\236\213/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO/7.InputStream\347\261\273\345\236\213/config.json"
@@ -1,7 +1,14 @@
 {
-  "node_id": "java-fc2dfe1a80f64143b4ad339378ba61da",
-  "keywords": ["stream", "input", "输入", "流"],
+  "node_id": "java-a70c3c294b284d5fad6cd6a270b9a7fe",
+  "keywords": [
+    "stream",
+    "input",
+    "输入",
+    "流"
+  ],
   "children": [],
-  "export": ["unzip.json"],
+  "export": [
+    "unzip.json"
+  ],
   "title": "InputStream类型"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO/8.OutputStream\347\261\273\345\236\213/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO/8.OutputStream\347\261\273\345\236\213/config.json"
index 26767b89e06fb2e69008a18fda432c7bb8626bdb..4f17d1de428883382364e17136624ab9c6e21ac0 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO/8.OutputStream\347\261\273\345\236\213/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO/8.OutputStream\347\261\273\345\236\213/config.json"
@@ -1,7 +1,14 @@
 {
-  "node_id": "java-cc8c2e511db54a2ca2ee798f2cdbd03b",
-  "keywords": ["output", "stream", "输出", "流"],
+  "node_id": "java-14b1ab2a5cef423f95c98c714362a551",
+  "keywords": [
+    "output",
+    "stream",
+    "输出",
+    "流"
+  ],
   "children": [],
-  "export": ["zip.json"],
+  "export": [
+    "zip.json"
+  ],
   "title": "OutputStream类型"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/1.IO/config.json" "b/data/2.Java\344\270\255\351\230\266/1.IO/config.json"
index 58de93a9d0a0fd71ca19bdd0b8f7a428360b426d..b374503fc380bb3bb3736a3c94cce8d1a6e448c4 100644
--- "a/data/2.Java\344\270\255\351\230\266/1.IO/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/1.IO/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-3dc422fd227a45db83e38ba6fe0003c0",
+  "node_id": "java-ec99adaddab8402caec79b61fab2f335",
   "keywords": [],
   "title": "IO（输入输出）"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/1.JDBC\346\246\202\350\277\260/config.json" "b/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/1.JDBC\346\246\202\350\277\260/config.json"
index fb0f323616e528e7eaba704720ae36ac587f4988..fcaa185e5aee5e1491acab4f049b3c66ee14a8ec 100644
--- "a/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/1.JDBC\346\246\202\350\277\260/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/1.JDBC\346\246\202\350\277\260/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-150a9965d3e34a19943b4bd5ab2d31bb",
-  "keywords": ["jdbc", "驱动", "database", "driver"],
+  "node_id": "java-8690eb14284c4fb88971b646079ca552",
+  "keywords": [
+    "jdbc",
+    "驱动",
+    "database",
+    "driver"
+  ],
   "children": [
     {
       "JDBC-ODBC桥": {
@@ -27,6 +32,9 @@
       }
     }
   ],
-  "export": ["Abstract.json", "DriverType.json"],
+  "export": [
+    "Abstract.json",
+    "DriverType.json"
+  ],
   "title": "JDBC概述"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/2.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json" "b/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/2.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json"
index b20ab71cbe6cf523aa61e2b62aa9854cffc2bf83..96bcc46ff718e957b8b81eadee3fd10530d094c2 100644
--- "a/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/2.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/2.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json"
@@ -1,6 +1,15 @@
 {
-  "node_id": "java-fd66a76b04b84d8da4454f6f9728aca0",
-  "keywords": ["数据库", "操作", "添加", "修改", "删除", "查询", "事务", "transaction"],
+  "node_id": "java-ec8553468b944a29a513cc6c9ee6cc96",
+  "keywords": [
+    "数据库",
+    "操作",
+    "添加",
+    "修改",
+    "删除",
+    "查询",
+    "事务",
+    "transaction"
+  ],
   "children": [
     {
       "数据库基础": {
@@ -98,6 +107,10 @@
       }
     }
   ],
-  "export": ["PSQLConnection.json", "CRUD.json", "Transaction.json"],
+  "export": [
+    "PSQLConnection.json",
+    "CRUD.json",
+    "Transaction.json"
+  ],
   "title": "数据库操作"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/config.json" "b/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/config.json"
index a186b9561bd6459efad7948cb19e851d53d34c11..4c31b0f833e08e8c53a345fa2834e548eaf76e11 100644
--- "a/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/2.\344\275\277\347\224\250JDBC\346\223\215\344\275\234\346\225\260\346\215\256\345\272\223/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-952e5473dc85415b8d737648a1d20351",
+  "node_id": "java-28205249ac1f4e6ca39f3369c8f8162f",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/2.Java\344\270\255\351\230\266/3.NIO/1.NIO\346\246\202\350\277\260/config.json" "b/data/2.Java\344\270\255\351\230\266/3.NIO/1.NIO\346\246\202\350\277\260/config.json"
index 05d077896694bb6f5f4126631e1355032f3f4dda..6b7d6947f5528fec03dab475c80cf97a2b7d69a0 100644
--- "a/data/2.Java\344\270\255\351\230\266/3.NIO/1.NIO\346\246\202\350\277\260/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/3.NIO/1.NIO\346\246\202\350\277\260/config.json"
@@ -1,7 +1,11 @@
 {
-  "node_id": "java-5daee2a48ed2413fa38467811ea5ee23",
-  "keywords": ["nio"],
+  "node_id": "java-2e71082295674560a7319fb7f0e1e156",
+  "keywords": [
+    "nio"
+  ],
   "children": [],
-  "export": ["NIOAbstract.json"],
+  "export": [
+    "NIOAbstract.json"
+  ],
   "title": "NIO概述"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/3.NIO/2.Buffer\357\274\210\347\274\223\345\206\262\345\231\250\357\274\211/config.json" "b/data/2.Java\344\270\255\351\230\266/3.NIO/2.Buffer\357\274\210\347\274\223\345\206\262\345\231\250\357\274\211/config.json"
index 31c86433e1ea9b01dcab215ece2d69828a42ff14..af20cf254c6c01060a58037811160677448711b6 100644
--- "a/data/2.Java\344\270\255\351\230\266/3.NIO/2.Buffer\357\274\210\347\274\223\345\206\262\345\231\250\357\274\211/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/3.NIO/2.Buffer\357\274\210\347\274\223\345\206\262\345\231\250\357\274\211/config.json"
@@ -1,7 +1,13 @@
 {
-  "node_id": "java-e622e94340ee4f00ae2aec33047cb19f",
-  "keywords": ["buffer", "缓冲"],
+  "node_id": "java-341e605280f749e3880590e4b3f99c4d",
+  "keywords": [
+    "buffer",
+    "缓冲"
+  ],
   "children": [],
-  "export": ["BufferType.json", "BufferRead.json"],
+  "export": [
+    "BufferType.json",
+    "BufferRead.json"
+  ],
   "title": "Buffer（缓冲器）"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/3.NIO/3.Channel\357\274\210\351\200\232\351\201\223\357\274\211/config.json" "b/data/2.Java\344\270\255\351\230\266/3.NIO/3.Channel\357\274\210\351\200\232\351\201\223\357\274\211/config.json"
index 1a7695ccaf71b1297e11a416cdb03ee57beededa..c220f82f22f3711f82726c831120da1b0be80cba 100644
--- "a/data/2.Java\344\270\255\351\230\266/3.NIO/3.Channel\357\274\210\351\200\232\351\201\223\357\274\211/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/3.NIO/3.Channel\357\274\210\351\200\232\351\201\223\357\274\211/config.json"
@@ -1,7 +1,13 @@
 {
-  "node_id": "java-1cbb9d1ea7c74caeaf8d88c2aad75965",
-  "keywords": ["channel", "通道"],
+  "node_id": "java-dda56d3ffd4b42609337494972a29a4a",
+  "keywords": [
+    "channel",
+    "通道"
+  ],
   "children": [],
-  "export": ["Channel.json","ChannelType.json"],
+  "export": [
+    "Channel.json",
+    "ChannelType.json"
+  ],
   "title": "Channel（通道）"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/3.NIO/4.\345\255\227\347\254\246\351\233\206\345\222\214Charset/config.json" "b/data/2.Java\344\270\255\351\230\266/3.NIO/4.\345\255\227\347\254\246\351\233\206\345\222\214Charset/config.json"
index 2d78e6ccb7f2c717f4b3d6dc140288e1f21e9880..724c1517ec64f16699fca388ff408144b2f7c003 100644
--- "a/data/2.Java\344\270\255\351\230\266/3.NIO/4.\345\255\227\347\254\246\351\233\206\345\222\214Charset/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/3.NIO/4.\345\255\227\347\254\246\351\233\206\345\222\214Charset/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-984b508fc9a54650aa9509eeb198f925",
-  "keywords": ["字符集", "charset"],
+  "node_id": "java-9018ada8548c409cb64ee0eb544f7707",
+  "keywords": [
+    "字符集",
+    "charset"
+  ],
   "children": [],
-  "export": ["Charset.json"],
+  "export": [
+    "Charset.json"
+  ],
   "title": "字符集和Charset"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/3.NIO/5.\346\226\207\344\273\266\351\224\201/config.json" "b/data/2.Java\344\270\255\351\230\266/3.NIO/5.\346\226\207\344\273\266\351\224\201/config.json"
index 6b0464ec5daeb67dafdbe7d325ee03117397a39e..c7c6799ba8dc566a9c7d0fd958f7d9592352904a 100644
--- "a/data/2.Java\344\270\255\351\230\266/3.NIO/5.\346\226\207\344\273\266\351\224\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/3.NIO/5.\346\226\207\344\273\266\351\224\201/config.json"
@@ -1,7 +1,14 @@
 {
-  "node_id": "java-338c2cfa55b346a0a0cd4dfc61c40ae6",
-  "keywords": ["file", "文件", "lock", "锁"],
+  "node_id": "java-cce7a38e62bd4d46b34de5970b3c5afd",
+  "keywords": [
+    "file",
+    "文件",
+    "lock",
+    "锁"
+  ],
   "children": [],
-  "export": ["FileLock.json"],
+  "export": [
+    "FileLock.json"
+  ],
   "title": "文件锁"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/3.NIO/6.Path\346\216\245\345\217\243/config.json" "b/data/2.Java\344\270\255\351\230\266/3.NIO/6.Path\346\216\245\345\217\243/config.json"
index abcb5b9fe456c0bafb3c8ee494ee26e868486da8..21da953aa1c4f3a3c04bfd807c050a2496679c9b 100644
--- "a/data/2.Java\344\270\255\351\230\266/3.NIO/6.Path\346\216\245\345\217\243/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/3.NIO/6.Path\346\216\245\345\217\243/config.json"
@@ -1,7 +1,13 @@
 {
-  "node_id": "java-386113b4f6274eb591e1f01b39f0c8ce",
-  "keywords": ["Paths", "Path", "路径"],
+  "node_id": "java-8e202e65e57f41acafb4cbf46b2a46d1",
+  "keywords": [
+    "Paths",
+    "Path",
+    "路径"
+  ],
   "children": [],
-  "export": ["Path.json"],
+  "export": [
+    "Path.json"
+  ],
   "title": "Path接口"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/3.NIO/7.Files\345\267\245\345\205\267\347\261\273/config.json" "b/data/2.Java\344\270\255\351\230\266/3.NIO/7.Files\345\267\245\345\205\267\347\261\273/config.json"
index c75e2a8f526da22f21d9337ffd1c4b6830e9adc3..91e6236a14e2ff7642454a1980dbc2dca91f5610 100644
--- "a/data/2.Java\344\270\255\351\230\266/3.NIO/7.Files\345\267\245\345\205\267\347\261\273/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/3.NIO/7.Files\345\267\245\345\205\267\347\261\273/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-868e1323bfdf4c239a6552a45a30d48d",
-  "keywords": ["文件", "file"],
+  "node_id": "java-e96ab4e046bc40b7b818d1a2ca7b8305",
+  "keywords": [
+    "文件",
+    "file"
+  ],
   "children": [],
-  "export": ["Files.json"],
+  "export": [
+    "Files.json"
+  ],
   "title": "Files工具类"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/3.NIO/config.json" "b/data/2.Java\344\270\255\351\230\266/3.NIO/config.json"
index 53fa70acfe0d72458fc7f1423d159b3ffe0a5023..60aeb73643a94c5a6567443f3c75fa9beece2f4a 100644
--- "a/data/2.Java\344\270\255\351\230\266/3.NIO/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/3.NIO/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-3f06cb54c165459b85d0c7f225e6acb7",
+  "node_id": "java-b61b6fb28d2c404aa958c040b9f46402",
   "keywords": [],
   "children": [
     {
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/1.\347\275\221\347\273\234\347\274\226\347\250\213\345\237\272\347\241\200/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/1.\347\275\221\347\273\234\347\274\226\347\250\213\345\237\272\347\241\200/config.json"
index b6a98904a2cdcecbc1fa4c9b329bcb6c60217ee7..91c055fba5204a9a8eaf89b00f175714c75271a6 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/1.\347\275\221\347\273\234\347\274\226\347\250\213\345\237\272\347\241\200/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/1.\347\275\221\347\273\234\347\274\226\347\250\213\345\237\272\347\241\200/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-59e7173695814c90858bc221e8688329",
-  "keywords": ["网络", "通信", "协议"],
+  "node_id": "java-b434f50cb8384aa084a219fa7235d445",
+  "keywords": [
+    "网络",
+    "通信",
+    "协议"
+  ],
   "children": [
     {
       "网络通信协议": {
@@ -34,6 +38,8 @@
       }
     }
   ],
-  "export": ["Internet.json"],
+  "export": [
+    "Internet.json"
+  ],
   "title": "网络编程基础"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/2.UDP\351\200\232\344\277\241/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/2.UDP\351\200\232\344\277\241/config.json"
index e4b5324551e4e1443db93e687eb7d1a75b243405..250629fa41b31c2544bcfe609ed9395bb0f7dcaf 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/2.UDP\351\200\232\344\277\241/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/2.UDP\351\200\232\344\277\241/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-f031c1ea305e4617bb1d9f2c4d41f009",
-  "keywords": ["network", "udp", "网络"],
+  "node_id": "java-6118431c1da24b39b74997e92dee722a",
+  "keywords": [
+    "network",
+    "udp",
+    "网络"
+  ],
   "children": [
     {
       "UDP通信简介": {
@@ -41,6 +45,8 @@
       }
     }
   ],
-  "export": ["UDP.json"],
+  "export": [
+    "UDP.json"
+  ],
   "title": "UDP通信"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/3.TCP\351\200\232\344\277\241/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/3.TCP\351\200\232\344\277\241/config.json"
index 1e40bfce55afdb98aff5a425abdf86d5c7a5d719..1a1a693ce4b30126dd2a6308ddc494725d645739 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/3.TCP\351\200\232\344\277\241/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/3.TCP\351\200\232\344\277\241/config.json"
@@ -1,6 +1,9 @@
 {
-  "node_id": "java-d1499a6f75a04d038344ce776d1c658a",
-  "keywords": ["network", "tcp"],
+  "node_id": "java-3a0c200ae63b4ca8b4e9b3c31727aa87",
+  "keywords": [
+    "network",
+    "tcp"
+  ],
   "children": [
     {
       "TCP通信简介": {
@@ -48,6 +51,8 @@
       }
     }
   ],
-  "export": ["TCP.json"],
+  "export": [
+    "TCP.json"
+  ],
   "title": "TCP通信"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/4.Java\347\232\204\345\237\272\346\234\254\347\275\221\347\273\234\346\224\257\346\214\201/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/4.Java\347\232\204\345\237\272\346\234\254\347\275\221\347\273\234\346\224\257\346\214\201/config.json"
index aa58e61c6640adc926ff003c2c31468a42d21907..121c928e88b7e1481d4b36ad6de00120febe018e 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/4.Java\347\232\204\345\237\272\346\234\254\347\275\221\347\273\234\346\224\257\346\214\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/4.Java\347\232\204\345\237\272\346\234\254\347\275\221\347\273\234\346\224\257\346\214\201/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-1e8ef0cdeec443d8addaaa79b760c6b1",
-  "keywords": ["network"],
+  "node_id": "java-0c3fe87877a041008ff9006642b7bee1",
+  "keywords": [
+    "network"
+  ],
   "children": [
     {
       "使用URLDecoder和URLEncoder": {
@@ -19,6 +21,8 @@
       }
     }
   ],
-  "export": ["Support.json"],
+  "export": [
+    "Support.json"
+  ],
   "title": "Java的基本网络支持"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/5.\344\275\277\347\224\250\344\273\243\347\220\206\346\234\215\345\212\241\345\231\250/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/5.\344\275\277\347\224\250\344\273\243\347\220\206\346\234\215\345\212\241\345\231\250/config.json"
index 888c018766d566a94397a1adc555168ea6c97130..5944c2fbc7e62829670425a8b217fe0d23ab9aef 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/5.\344\275\277\347\224\250\344\273\243\347\220\206\346\234\215\345\212\241\345\231\250/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/5.\344\275\277\347\224\250\344\273\243\347\220\206\346\234\215\345\212\241\345\231\250/config.json"
@@ -1,6 +1,9 @@
 {
-  "node_id": "java-cb9fdf69e28f40aca9ef741b9c8bc925",
-  "keywords": ["network", "proxy"],
+  "node_id": "java-5e965d57a95e4bc4a12af1dc07fdadb7",
+  "keywords": [
+    "network",
+    "proxy"
+  ],
   "children": [
     {
       "直接使用Proxy创建连接": {
@@ -19,6 +22,8 @@
       }
     }
   ],
-  "export": ["Proxy.json"],
+  "export": [
+    "Proxy.json"
+  ],
   "title": "使用代理服务器"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/6.Java 11\346\240\207\345\207\206\345\214\226\347\232\204HTTP Client/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/6.Java 11\346\240\207\345\207\206\345\214\226\347\232\204HTTP Client/config.json"
index 4f1539812803e2ac2200125894936a21d06d580a..37789115cdf5a49b1d4c58d414e73b73817618dd 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/6.Java 11\346\240\207\345\207\206\345\214\226\347\232\204HTTP Client/config.json"	
+++ "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/6.Java 11\346\240\207\345\207\206\345\214\226\347\232\204HTTP Client/config.json"	
@@ -1,6 +1,13 @@
 {
-  "node_id": "java-dd60957a0a7f4155a68aea7c6807d504",
-  "keywords": ["websocket", "get", "post", "delete", "put", "请求"],
+  "node_id": "java-b4e46c44bab54ad7b5c846225e580d02",
+  "keywords": [
+    "websocket",
+    "get",
+    "post",
+    "delete",
+    "put",
+    "请求"
+  ],
   "children": [
     {
       "发送同步GET请求": {
@@ -41,6 +48,9 @@
       }
     }
   ],
-  "export": ["HTTPClient.json", "WebSocket.json"],
+  "export": [
+    "HTTPClient.json",
+    "WebSocket.json"
+  ],
   "title": "Java 11标准化的HTTP Client"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/config.json" "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
index a9bb1e1997f26962b2ff763c4b3b987736dec9cc..fa90d21dda1b232ae30dd4664923dbce3468dc3c 100644
--- "a/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/4.\347\275\221\347\273\234\347\274\226\347\250\213/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-94b280240e7c4f67b1512eb20fd9beaa",
+  "node_id": "java-337fdb2a49764b57a7809beac19d4f6d",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/1.Class\345\257\271\350\261\241/config.json" "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/1.Class\345\257\271\350\261\241/config.json"
index 071d69321bc60f1ddfc11b740a51bccc0f26c051..ee2a0cf76e867a012a39e0976e52e7b9ab478522 100644
--- "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/1.Class\345\257\271\350\261\241/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/1.Class\345\257\271\350\261\241/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-1133afe68c004a0ea2ad957f0acb061e",
-  "keywords": ["class", "类", "面向对象"],
+  "node_id": "java-71946752e8504bc2bad8b09e66c6628e",
+  "keywords": [
+    "class",
+    "类",
+    "面向对象"
+  ],
   "children": [
     {
       "类字面常量": {
@@ -27,6 +31,8 @@
       }
     }
   ],
-  "export": ["Class.json"],
+  "export": [
+    "Class.json"
+  ],
   "title": "Class对象"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/2.\347\261\273\345\236\213\350\275\254\346\215\242\345\211\215\345\205\210\345\201\232\346\243\200\346\237\245/config.json" "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/2.\347\261\273\345\236\213\350\275\254\346\215\242\345\211\215\345\205\210\345\201\232\346\243\200\346\237\245/config.json"
index 3b2a64b7812903ff4fc45ec1a0cf7744780356b9..2f5b6d22f43a21ae90e387b7681434a56c00dafd 100644
--- "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/2.\347\261\273\345\236\213\350\275\254\346\215\242\345\211\215\345\205\210\345\201\232\346\243\200\346\237\245/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/2.\347\261\273\345\236\213\350\275\254\346\215\242\345\211\215\345\205\210\345\201\232\346\243\200\346\237\245/config.json"
@@ -1,6 +1,9 @@
 {
-  "node_id": "java-48593d705752415e95c42b09d36bc2a4",
-  "keywords": ["instanceof", "类型"],
+  "node_id": "java-cc302f033d194382add871d3e4507382",
+  "keywords": [
+    "instanceof",
+    "类型"
+  ],
   "children": [
     {
       "使用类字面常量": {
@@ -27,6 +30,8 @@
       }
     }
   ],
-  "export": ["Instanceof.json"],
+  "export": [
+    "Instanceof.json"
+  ],
   "title": "类型转换前先做检查"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/3.instanceof\344\270\216Class\347\232\204\347\255\211\344\273\267\346\200\247/config.json" "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/3.instanceof\344\270\216Class\347\232\204\347\255\211\344\273\267\346\200\247/config.json"
index a55eb4b81726310ae7206c22e0cd45dff22403b0..c4ef73f57bd1dc4a0232ab4d96ade61ad2c5f985 100644
--- "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/3.instanceof\344\270\216Class\347\232\204\347\255\211\344\273\267\346\200\247/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/3.instanceof\344\270\216Class\347\232\204\347\255\211\344\273\267\346\200\247/config.json"
@@ -1,7 +1,11 @@
 {
-  "node_id": "java-feca89c3fb9e4bcaba3f1f95e8ad4753",
-  "keywords": ["类型"],
+  "node_id": "java-89b6f15cabd74f41b181b73184363f10",
+  "keywords": [
+    "类型"
+  ],
   "children": [],
-  "export": ["Instanceof.json"],
+  "export": [
+    "Instanceof.json"
+  ],
   "title": "instanceof与Class的等价性"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/4.\345\217\215\345\260\204\357\274\232\350\277\220\350\241\214\346\227\266\347\261\273\344\277\241\346\201\257/config.json" "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/4.\345\217\215\345\260\204\357\274\232\350\277\220\350\241\214\346\227\266\347\261\273\344\277\241\346\201\257/config.json"
index cadf592c1aac60dd969fc3135f6aaad64098863a..8be8c6a3e923422850bc5a47788da0172a63c2a5 100644
--- "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/4.\345\217\215\345\260\204\357\274\232\350\277\220\350\241\214\346\227\266\347\261\273\344\277\241\346\201\257/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/4.\345\217\215\345\260\204\357\274\232\350\277\220\350\241\214\346\227\266\347\261\273\344\277\241\346\201\257/config.json"
@@ -1,6 +1,9 @@
 {
-  "node_id": "java-42b26ca8a2384dcfb02fca6e159ace67",
-  "keywords": ["annotation", "标注"],
+  "node_id": "java-9555035115d24b18bd5dbfc59dd33047",
+  "keywords": [
+    "annotation",
+    "标注"
+  ],
   "children": [
     {
       "类方法抽取器": {
@@ -127,6 +130,9 @@
       }
     }
   ],
-  "export": ["Reflect.json", "ReflectTest.json"],
+  "export": [
+    "Reflect.json",
+    "ReflectTest.json"
+  ],
   "title": "反射：运行时类信息"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/5.\345\212\250\346\200\201\344\273\243\347\220\206/config.json" "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/5.\345\212\250\346\200\201\344\273\243\347\220\206/config.json"
index a2847d7531f0d01fbbb25ab757642d63c487b2f4..2777d68bd924a08a62734aca60ffae8775a6ce1e 100644
--- "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/5.\345\212\250\346\200\201\344\273\243\347\220\206/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/5.\345\212\250\346\200\201\344\273\243\347\220\206/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-f7be740717c442c4a489a8c8d675f38c",
-  "keywords": ["proxy"],
+  "node_id": "java-4b2202f00dfc432da9e6653f4b43ab4a",
+  "keywords": [
+    "proxy"
+  ],
   "children": [],
-  "export": ["DynamicProxy.json", "DynamicProxyTest.json"],
+  "export": [
+    "DynamicProxy.json",
+    "DynamicProxyTest.json"
+  ],
   "title": "动态代理"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/6.\347\251\272\345\257\271\350\261\241/config.json" "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/6.\347\251\272\345\257\271\350\261\241/config.json"
index decc77abce7eadcf46ecb99d8342264eba7bb064..d499c2732085cdee79d7466bfbaec05b2a217b86 100644
--- "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/6.\347\251\272\345\257\271\350\261\241/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/6.\347\251\272\345\257\271\350\261\241/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-dec42155c7904f7e9d00a37b5013470d",
-  "keywords": ["空对象"],
+  "node_id": "java-cb6c58f2b2d04db99aba9711532d48f4",
+  "keywords": [
+    "空对象"
+  ],
   "children": [
     {
       "模拟对象与桩": {
@@ -11,6 +13,8 @@
       }
     }
   ],
-  "export": ["None.json"],
+  "export": [
+    "None.json"
+  ],
   "title": "空对象"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/config.json" "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/config.json"
index 2b9ccc8a3b6ba7f61edf1e2fca500cfb21427457..e1a73c4d9a7245beafbecddd4caac20f4ff70a22 100644
--- "a/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/5.\347\261\273\345\236\213\344\277\241\346\201\257/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-7b912e7b9d1547e9ba78b26cb78e254c",
+  "node_id": "java-eee19573fbcf414e9aea31ace6667852",
   "keywords": [],
   "children": [
     {
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/1.Collection\347\232\204\345\212\237\350\203\275\346\226\271\346\263\225/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/1.Collection\347\232\204\345\212\237\350\203\275\346\226\271\346\263\225/config.json"
index 02e49eba2c36deff66ede1259dc3f881499dcebd..a98c77378390bec1a50f3b848a75b6d9519ecc19 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/1.Collection\347\232\204\345\212\237\350\203\275\346\226\271\346\263\225/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/1.Collection\347\232\204\345\212\237\350\203\275\346\226\271\346\263\225/config.json"
@@ -1,7 +1,9 @@
 {
-  "node_id": "java-e4ee5c02d364431f901c2851e2bebdc0",
+  "node_id": "java-102debb54a3c4122ace850e5e24516c5",
   "keywords": [],
   "children": [],
-  "export": ["Collection.json"],
+  "export": [
+    "Collection.json"
+  ],
   "title": "Collection的功能方法"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/2.List\347\232\204\345\212\237\350\203\275\346\226\271\346\263\225/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/2.List\347\232\204\345\212\237\350\203\275\346\226\271\346\263\225/config.json"
index d5d440ea5c4102c5e42b428847b045292080a154..c9d2b40ee39f1391abe47884602d9e26d83be4b2 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/2.List\347\232\204\345\212\237\350\203\275\346\226\271\346\263\225/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/2.List\347\232\204\345\212\237\350\203\275\346\226\271\346\263\225/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-6a6a4fabc4e34b5d985e4787fda4793f",
-  "keywords": ["list", "数据结构"],
+  "node_id": "java-e2e6a36ba0e0432ea7b76c5b7e5cfe09",
+  "keywords": [
+    "list",
+    "数据结构"
+  ],
   "children": [],
-  "export": ["List.json"],
+  "export": [
+    "List.json"
+  ],
   "title": "List的功能方法"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/3.Set\345\222\214\345\255\230\345\202\250\351\241\272\345\272\217/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/3.Set\345\222\214\345\255\230\345\202\250\351\241\272\345\272\217/config.json"
index 630accd9b94383774791d41853bb6f9df37cb34d..c99f24d61008746055010dc688b32845c085aacc 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/3.Set\345\222\214\345\255\230\345\202\250\351\241\272\345\272\217/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/3.Set\345\222\214\345\255\230\345\202\250\351\241\272\345\272\217/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-d29c64a86fbb49b88cc2eaa7b39375b4",
-  "keywords": ["set", "数据结构"],
+  "node_id": "java-4a498fac34c34dc59e9081dba2bf8bc4",
+  "keywords": [
+    "set",
+    "数据结构"
+  ],
   "children": [],
-  "export": ["Set.json"],
+  "export": [
+    "Set.json"
+  ],
   "title": "Set和存储顺序"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/4.\351\230\237\345\210\227/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/4.\351\230\237\345\210\227/config.json"
index 7559e1619b8d834c8c46ab5ff7c3aafcf312c45b..735dd72b02cf5ff4446d10630bebad2f61426022 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/4.\351\230\237\345\210\227/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/4.\351\230\237\345\210\227/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-3b1d3953fd724d1f87c1e95918bc2d0c",
-  "keywords": ["队列", "queue", "数据结构"],
+  "node_id": "java-62e89e1bfa904d8ca33c649ef6867028",
+  "keywords": [
+    "队列",
+    "queue",
+    "数据结构"
+  ],
   "children": [
     {
       "优先级队列": {
@@ -19,6 +23,8 @@
       }
     }
   ],
-  "export": ["Queue.json"],
+  "export": [
+    "Queue.json"
+  ],
   "title": "队列"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/5.\347\220\206\350\247\243Map/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/5.\347\220\206\350\247\243Map/config.json"
index a0ce4f25a2212d62362b16b7e2bdacf0313f031a..2b5240e520ff03af35d36a04889de24ac55834a2 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/5.\347\220\206\350\247\243Map/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/5.\347\220\206\350\247\243Map/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-154f1448c9f04d7d950de1273760288f",
-  "keywords": ["map", "字典", "数据结构"],
+  "node_id": "java-8c8172eea289473e930439623175175f",
+  "keywords": [
+    "map",
+    "字典",
+    "数据结构"
+  ],
   "children": [
     {
       "性能": {
@@ -27,6 +31,8 @@
       }
     }
   ],
-  "export": ["Map.json"],
+  "export": [
+    "Map.json"
+  ],
   "title": "理解Map"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/6.\351\200\211\346\213\251\346\216\245\345\217\243\347\232\204\344\270\215\345\220\214\345\256\236\347\216\260/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/6.\351\200\211\346\213\251\346\216\245\345\217\243\347\232\204\344\270\215\345\220\214\345\256\236\347\216\260/config.json"
index 1bee93fb509c06989616ef18fcae282ff20c8192..d5cfc77c64c700b325e197f05b720d23c9ace940 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/6.\351\200\211\346\213\251\346\216\245\345\217\243\347\232\204\344\270\215\345\220\214\345\256\236\347\216\260/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/6.\351\200\211\346\213\251\346\216\245\345\217\243\347\232\204\344\270\215\345\220\214\345\256\236\347\216\260/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-553c2f460603478f9d4047e1b4d78af1",
-  "keywords": ["数据结构"],
+  "node_id": "java-dc95f695396f42d6a88c29d8f7715ec7",
+  "keywords": [
+    "数据结构"
+  ],
   "children": [
     {
       "性能测试框架": {
@@ -41,6 +43,8 @@
       }
     }
   ],
-  "export": ["Select.json"],
+  "export": [
+    "Select.json"
+  ],
   "title": "选择接口的不同实现"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/7.Collections\345\256\236\347\224\250\346\226\271\346\263\225/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/7.Collections\345\256\236\347\224\250\346\226\271\346\263\225/config.json"
index 83cd5da57c5ddd53d5e9532b869d670f5319b0c4..209b7459802b3aa7988f57c525ef242003adc798 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/7.Collections\345\256\236\347\224\250\346\226\271\346\263\225/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/7.Collections\345\256\236\347\224\250\346\226\271\346\263\225/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-3805023f872947c4874b6e7bab06c1a7",
-  "keywords": ["数据结构"],
+  "node_id": "java-7ded253838074a32bc758db176c3ad41",
+  "keywords": [
+    "数据结构"
+  ],
   "children": [
     {
       "List的排序和查询": {
@@ -27,6 +29,8 @@
       }
     }
   ],
-  "export": ["StaticMethod.json"],
+  "export": [
+    "StaticMethod.json"
+  ],
   "title": "Collections实用方法"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/config.json" "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/config.json"
index 465778a8835b23a547c0940d9032df942e874265..9299c60de7339faf9fa2da7089da8862f4d2c9d9 100644
--- "a/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/6.\346\267\261\345\205\245\347\240\224\347\251\266\345\256\271\345\231\250/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-ca51e8798bc84a47b13a58c8d734ac34",
+  "node_id": "java-da24a1406bd849748c944ba9c64959d6",
   "keywords": [],
   "children": [
     {
diff --git "a/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/1.\345\237\272\346\234\254\350\257\255\346\263\225/config.json" "b/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/1.\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
index 361a8bf6f4eef40fdf7188ec32fa0eda5978d004..2705819a274d86a6dd4231570d24ec51f6dfd6b5 100644
--- "a/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/1.\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/1.\345\237\272\346\234\254\350\257\255\346\263\225/config.json"
@@ -1,6 +1,9 @@
 {
-  "node_id": "java-132c631a618e4828b4c69316d6163ec3",
-  "keywords": ["注解", "annotation"],
+  "node_id": "java-18ef2d1b43384a69802cedd54b5070e9",
+  "keywords": [
+    "注解",
+    "annotation"
+  ],
   "children": [
     {
       "定义注解": {
@@ -19,6 +22,8 @@
       }
     }
   ],
-  "export": ["Annotation.json"],
+  "export": [
+    "Annotation.json"
+  ],
   "title": "基本语法"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/2.\344\275\277\347\224\250apt\345\244\204\347\220\206\346\263\250\350\247\243/config.json" "b/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/2.\344\275\277\347\224\250apt\345\244\204\347\220\206\346\263\250\350\247\243/config.json"
index 68bfe8a0e4980d133272cf43574b874e5cb139a3..ccc5f28f417627de06336eaa70b5f080c07cb0c9 100644
--- "a/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/2.\344\275\277\347\224\250apt\345\244\204\347\220\206\346\263\250\350\247\243/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/2.\344\275\277\347\224\250apt\345\244\204\347\220\206\346\263\250\350\247\243/config.json"
@@ -1,7 +1,13 @@
 {
-  "node_id": "java-8b0806d4d89948598ac95e5c19b53298",
-  "keywords": ["apt", "注解", "annotation"],
+  "node_id": "java-241230d0eaee453d83e1fe860e325424",
+  "keywords": [
+    "apt",
+    "注解",
+    "annotation"
+  ],
   "children": [],
-  "export": ["apt.json"],
+  "export": [
+    "apt.json"
+  ],
   "title": "使用apt处理注解"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/3.\345\237\272\344\272\216\346\263\250\350\247\243\347\232\204\345\215\225\345\205\203\346\265\213\350\257\225/config.json" "b/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/3.\345\237\272\344\272\216\346\263\250\350\247\243\347\232\204\345\215\225\345\205\203\346\265\213\350\257\225/config.json"
index bdf5dfc14410c51554caf595947065eb2baaa060..391b90e14d678acc6e111baad726481550794253 100644
--- "a/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/3.\345\237\272\344\272\216\346\263\250\350\247\243\347\232\204\345\215\225\345\205\203\346\265\213\350\257\225/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/3.\345\237\272\344\272\216\346\263\250\350\247\243\347\232\204\345\215\225\345\205\203\346\265\213\350\257\225/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-352f523c7ad54583a0097cf171015d83",
-  "keywords": ["junit", "单元测试", "测试", "annotation"],
+  "node_id": "java-9c8ea76035a74947bdeaeb516ab1e832",
+  "keywords": [
+    "junit",
+    "单元测试",
+    "测试",
+    "annotation"
+  ],
   "children": [
     {
       "将@Unit用于泛型": {
diff --git "a/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/config.json" "b/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/config.json"
index bd7d6a59496259ad1fc10e24f2cd92b3b382d696..96bb9666cee987f00ac394938fb8ea71afaa29fd 100644
--- "a/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/7.\346\263\250\350\247\243/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-baada6303aca42f0b2f7882a3446fdf9",
+  "node_id": "java-91d648c23e764807ad81363911b1791f",
   "keywords": [],
   "children": [],
   "export": [],
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/1.\345\271\266\345\217\221\347\232\204\345\256\232\344\271\211/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/1.\345\271\266\345\217\221\347\232\204\345\256\232\344\271\211/config.json"
index 7f670b4e0a48432b66a92d70368b8d4c6bbfc9db..d8d61b84a1d96d82b9db73d8742fa7ff5795768f 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/1.\345\271\266\345\217\221\347\232\204\345\256\232\344\271\211/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/1.\345\271\266\345\217\221\347\232\204\345\256\232\344\271\211/config.json"
@@ -1,6 +1,8 @@
 {
-  "node_id": "java-66090dfe673e48a5a14c6ee846c4fc97",
-  "keywords": ["并发"],
+  "node_id": "java-8d95222215fd45dbab2e9f295a2b293f",
+  "keywords": [
+    "并发"
+  ],
   "children": [
     {
       "更快的执行": {
@@ -19,6 +21,8 @@
       }
     }
   ],
-  "export": ["Abstract.json"],
+  "export": [
+    "Abstract.json"
+  ],
   "title": "并发的定义"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/2.\347\272\277\347\250\213\345\261\236\346\200\247/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/2.\347\272\277\347\250\213\345\261\236\346\200\247/config.json"
index 7303154e39faa18e2371da06779246a7c685b019..b272691b45ef4f11d62b0c607803a4900fe674ff 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/2.\347\272\277\347\250\213\345\261\236\346\200\247/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/2.\347\272\277\347\250\213\345\261\236\346\200\247/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-785476f0c71e437cadeb502a74dd86ed",
-  "keywords": ["thread", "线程", "并发", "并行"],
+  "node_id": "java-df271d83a00b4f70b1a8a8264b87ffbb",
+  "keywords": [
+    "thread",
+    "线程",
+    "并发",
+    "并行"
+  ],
   "children": [
     {
       "中断线程": {
@@ -34,6 +39,8 @@
       }
     }
   ],
-  "export": ["Thread.json"],
+  "export": [
+    "Thread.json"
+  ],
   "title": "线程属性"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/3.\347\272\277\347\250\213\347\212\266\346\200\201/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/3.\347\272\277\347\250\213\347\212\266\346\200\201/config.json"
index b53d91be37194846ec59edc02a914ec1331b489f..0e37cb8db039b11999727405e1b59d379530bfda 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/3.\347\272\277\347\250\213\347\212\266\346\200\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/3.\347\272\277\347\250\213\347\212\266\346\200\201/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-7a4a0e08d7424b5896f2325f732bdeee",
-  "keywords": ["thread", "线程", "并发", "并行"],
+  "node_id": "java-3810ac7ba6384167b73332522ffd98a3",
+  "keywords": [
+    "thread",
+    "线程",
+    "并发",
+    "并行"
+  ],
   "children": [
     {
       "新建线程": {
@@ -34,6 +39,8 @@
       }
     }
   ],
-  "export": ["ThreadStatus.json"],
+  "export": [
+    "ThreadStatus.json"
+  ],
   "title": "线程状态"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/4.\347\272\277\347\250\213\344\271\213\351\227\264\347\232\204\345\215\217\344\275\234/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/4.\347\272\277\347\250\213\344\271\213\351\227\264\347\232\204\345\215\217\344\275\234/config.json"
index b4ee8ff04610008418b4743ccb5f463ad71ca16c..5f067bd5b7a6e63b12922ff6d69837abebc55e83 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/4.\347\272\277\347\250\213\344\271\213\351\227\264\347\232\204\345\215\217\344\275\234/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/4.\347\272\277\347\250\213\344\271\213\351\227\264\347\232\204\345\215\217\344\275\234/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-5e82993df31e4989ac4b128c08cf0823",
-  "keywords": ["thread", "线程", "并发", "并行"],
+  "node_id": "java-65d8da90190e4cb38e1841925701d52c",
+  "keywords": [
+    "thread",
+    "线程",
+    "并发",
+    "并行"
+  ],
   "children": [
     {
       "wait（）与notifyAll（）": {
@@ -34,6 +39,8 @@
       }
     }
   ],
-  "export": ["ProductorAndConsumer.json"],
+  "export": [
+    "ProductorAndConsumer.json"
+  ],
   "title": "线程之间的协作"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/5.\346\255\273\351\224\201/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/5.\346\255\273\351\224\201/config.json"
index 6f954a7c9bdb88574c23d8979b480a7f44856896..1c06afffe4dbf7e7fd155fe8aca17f6e84d0e489 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/5.\346\255\273\351\224\201/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/5.\346\255\273\351\224\201/config.json"
@@ -1,7 +1,15 @@
 {
-  "node_id": "java-372114d043a04070ad690f2753b5083b",
-  "keywords": ["thread", "线程", "并发", "并行", "死锁 "],
+  "node_id": "java-4f8d425fef5a468a8432912f3c06b10c",
+  "keywords": [
+    "thread",
+    "线程",
+    "并发",
+    "并行",
+    "死锁 "
+  ],
   "children": [],
-  "export": ["DeadLock.json"],
+  "export": [
+    "DeadLock.json"
+  ],
   "title": "死锁"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/6.\347\272\277\347\250\213\345\256\211\345\205\250\347\232\204\351\233\206\345\220\210/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/6.\347\272\277\347\250\213\345\256\211\345\205\250\347\232\204\351\233\206\345\220\210/config.json"
index 689afa57693622d30dffed29aa30575de45107bf..2ba29d35af87d1f9e6c29eec49ff9f76f176d65e 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/6.\347\272\277\347\250\213\345\256\211\345\205\250\347\232\204\351\233\206\345\220\210/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/6.\347\272\277\347\250\213\345\256\211\345\205\250\347\232\204\351\233\206\345\220\210/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-aa0b95d8960b4d12a2c9d9e90894a793",
-  "keywords": ["thread", "线程", "并发", "并行"],
+  "node_id": "java-19d838f0851a49f6891b1bc2f7ca90f6",
+  "keywords": [
+    "thread",
+    "线程",
+    "并发",
+    "并行"
+  ],
   "children": [
     {
       "阻塞队列": {
@@ -55,6 +60,8 @@
       }
     }
   ],
-  "export": ["ThreadSafe.json"],
+  "export": [
+    "ThreadSafe.json"
+  ],
   "title": "线程安全的集合"
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/config.json" "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/config.json"
index d686efb7df484227a569898799e72b4abad90c10..ba918a0081a5160cef4035aa0a947a1c34612085 100644
--- "a/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/8.\345\271\266\345\217\221/config.json"
@@ -1,4 +1,4 @@
 {
-  "node_id": "java-2477cdd2265348da836b2116f5fe73b6",
+  "node_id": "java-ed00d3a4e77844358adbc4b957b763da",
   "keywords": []
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/9.Maven\345\237\272\347\241\200/config.json" "b/data/2.Java\344\270\255\351\230\266/9.Maven\345\237\272\347\241\200/config.json"
index 28f59c018142a4afeb5dd1d923ac5d099b430501..bd43b7dcedc29c83152e4deb646ea976193972bb 100644
--- "a/data/2.Java\344\270\255\351\230\266/9.Maven\345\237\272\347\241\200/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/9.Maven\345\237\272\347\241\200/config.json"
@@ -1,5 +1,11 @@
 {
-  "node_id": "java-13e82ac770bb42f3a6076274c28ead94",
-  "keywords": ["maven", "构建"],
-  "export": ["MavenDesc.json", "MavenScript.json"]
+  "node_id": "java-b739503be7de4f5687931d3aad075b50",
+  "keywords": [
+    "maven",
+    "构建"
+  ],
+  "export": [
+    "MavenDesc.json",
+    "MavenScript.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/2.Java\344\270\255\351\230\266/config.json" "b/data/2.Java\344\270\255\351\230\266/config.json"
index 387fdb77e1b1c55b9117e2cb5ee919019f3c98f3..411f9520911a8489494e9efaaa19e017ee0a4749 100644
--- "a/data/2.Java\344\270\255\351\230\266/config.json"
+++ "b/data/2.Java\344\270\255\351\230\266/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-b4719189dc7544228ef1b578548be47f",
+  "node_id": "java-a824bb5914344d22ab0efdc09885740e",
   "keywords": [],
   "title": "Java中阶"
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/1.\346\265\201\345\222\214\350\241\214\344\270\272\346\212\275\350\261\241/config.json" "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/1.\346\265\201\345\222\214\350\241\214\344\270\272\346\212\275\350\261\241/config.json"
index 6b37e5de92b49afac93401c0c3aaeb0154534e03..b743819782d0de8dedcdbcca9957563fb15d2707 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/1.\346\265\201\345\222\214\350\241\214\344\270\272\346\212\275\350\261\241/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/1.\346\265\201\345\222\214\350\241\214\344\270\272\346\212\275\350\261\241/config.json"
@@ -1,6 +1,9 @@
 {
-  "node_id": "java-fb711fb0dfbb40db974476ea2d9faf9d",
-  "keywords": ["流", "stream"],
+  "node_id": "java-c4056605cd9f4f489ecfc9dce3f320ce",
+  "keywords": [
+    "流",
+    "stream"
+  ],
   "children": [],
   "export": [
     "map.json",
diff --git "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/2.Lambda\350\241\250\350\276\276\345\274\217/config.json" "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/2.Lambda\350\241\250\350\276\276\345\274\217/config.json"
index 6dcc4c9f6643d5068791e896a391dc7e1c0123d0..c93ee70a88f9bd56f9d579adfe5cc6df86b95894 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/2.Lambda\350\241\250\350\276\276\345\274\217/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/2.Lambda\350\241\250\350\276\276\345\274\217/config.json"
@@ -1,6 +1,12 @@
 {
-  "node_id": "java-a3b60740abe74bb8a6c16dec381d31c4",
-  "keywords": ["lambda", "高阶函数", "方法引用", "SAM", "函数式接口"],
+  "node_id": "java-51b939d42c814e3cb37f692f056e3143",
+  "keywords": [
+    "lambda",
+    "高阶函数",
+    "方法引用",
+    "SAM",
+    "函数式接口"
+  ],
   "children": [],
   "export": [
     "lambda.json",
diff --git "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/3.\346\265\201/config.json" "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/3.\346\265\201/config.json"
index 3af893b5cda7acc17d24d0b65fefc7300aa42a4a..b689cf7aed346952a9b46412a1fce12a80c876a8 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/3.\346\265\201/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/3.\346\265\201/config.json"
@@ -1,7 +1,12 @@
 {
-  "node_id": "java-9f8b0da343fd415c9b29380647b0f1f8",
-  "keywords": ["流", "stream"],
+  "node_id": "java-bd3631bc6df84fdc8ff4d30abbf05bd5",
+  "keywords": [
+    "流",
+    "stream"
+  ],
   "children": [],
-  "export": ["map_reduce.json"],
+  "export": [
+    "map_reduce.json"
+  ],
   "title": "流简介"
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/4.\346\224\266\351\233\206\345\231\250/config.json" "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/4.\346\224\266\351\233\206\345\231\250/config.json"
index 319d58067a42b0a31a7f4ae3a4f0552b10203605..9986b5a5e366b8909fd7470b744497868262acb9 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/4.\346\224\266\351\233\206\345\231\250/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/4.\346\224\266\351\233\206\345\231\250/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-0f1fc49b2e1c41368403ca2239810920",
-  "keywords": ["流", "stream", "collect"],
+  "node_id": "java-acd3eafa1cd74e2d9d17cbb0f6b848d5",
+  "keywords": [
+    "流",
+    "stream",
+    "collect"
+  ],
   "children": [],
   "export": [
     "to_list.json",
diff --git "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/5.\345\210\206\347\273\204/config.json" "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/5.\345\210\206\347\273\204/config.json"
index 07b21964d77a73c911dd3888d63979233a1930d6..8b77e52aeb68853c0656ec500e6cfb4b4d9846fd 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/5.\345\210\206\347\273\204/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/5.\345\210\206\347\273\204/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-bbff17faa9a04aebbe14c62caccc2309",
-  "keywords": ["流", "stream", "group by"],
+  "node_id": "java-05848a56ab9d46659ddad14440a94dc7",
+  "keywords": [
+    "流",
+    "stream",
+    "group by"
+  ],
   "children": [],
   "export": [],
   "title": "分组"
diff --git "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/6.\345\210\206\345\214\272/config.json" "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/6.\345\210\206\345\214\272/config.json"
index 31b8eb32ae7c8d272a4cc7718c5f5edaf8d71ea0..4b7c03fd2eb20ea5656a143d0dede467a198ceb7 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/6.\345\210\206\345\214\272/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/6.\345\210\206\345\214\272/config.json"
@@ -1,6 +1,12 @@
 {
-  "node_id": "java-05498c81f6be42a2a44ddb4de0178420",
-  "keywords": ["流", "stream", "partition by"],
+  "node_id": "java-8d25ec1b1aa74a8aad552cfb659a535b",
+  "keywords": [
+    "流",
+    "stream",
+    "partition by"
+  ],
   "children": [],
-  "export": ["partition_by.json"]
+  "export": [
+    "partition_by.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/config.json" "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/config.json"
index c97dbdc00a482b43c51f3c86b7ddc4029b879ec1..07433e4fd3b0f8e819a0dd96b0cc5e83a6921988 100644
--- "a/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/1.\350\241\214\344\270\272\346\212\275\350\261\241\345\222\214Lambda/config.json"
@@ -1,4 +1,4 @@
 {
-  "node_id": "java-401df00d53964647a4fa249007f30a8b",
+  "node_id": "java-66b7da0a89bf40cd94842c68667bf8bf",
   "keywords": []
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/2.Optional/1.Optional\344\270\216Null/config.json" "b/data/3.Java\351\253\230\351\230\266/2.Optional/1.Optional\344\270\216Null/config.json"
index 4c4b9cf54e7ae58832941be2a2d6f4f6ae82933a..f586533b0036a9591ebe259100beba410d1d2946 100644
--- "a/data/3.Java\351\253\230\351\230\266/2.Optional/1.Optional\344\270\216Null/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/2.Optional/1.Optional\344\270\216Null/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-36a3b51a36624ee8930794d64da6b22a",
-  "keywords": ["optional", "null"],
+  "node_id": "java-715d537b7cc94bf98188020a68feb7fa",
+  "keywords": [
+    "optional",
+    "null"
+  ],
   "children": [],
-  "export": ["optional.json"]
+  "export": [
+    "optional.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/2.Optional/2.\344\270\200\350\207\264\346\200\247/config.json" "b/data/3.Java\351\253\230\351\230\266/2.Optional/2.\344\270\200\350\207\264\346\200\247/config.json"
index 550e2838da63f4974b8cf7906f428e05da02112c..a0f2c7d3520d3e3db122bd0985db9e897347abca 100644
--- "a/data/3.Java\351\253\230\351\230\266/2.Optional/2.\344\270\200\350\207\264\346\200\247/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/2.Optional/2.\344\270\200\350\207\264\346\200\247/config.json"
@@ -1,6 +1,11 @@
 {
-  "node_id": "java-6a0ad22b08cd4520b453904d832936ea",
-  "keywords": ["optional", "null"],
+  "node_id": "java-d837c3a483424642a70d1af6b5f231ab",
+  "keywords": [
+    "optional",
+    "null"
+  ],
   "children": [],
-  "export": ["optional.json"]
+  "export": [
+    "optional.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/2.Optional/config.json" "b/data/3.Java\351\253\230\351\230\266/2.Optional/config.json"
index 079ca570c136a3004dc106f92773c2db6197c7a1..298945b35b24abca4396737abcfb0904ed942749 100644
--- "a/data/3.Java\351\253\230\351\230\266/2.Optional/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/2.Optional/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-c3a2ef586dd7449788102b631419992f",
+  "node_id": "java-8938e109b899491faa4f2be686033c09",
   "keywords": [],
   "children": [],
   "export": []
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/1.\347\272\277\347\250\213\344\270\216\350\277\233\347\250\213/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/1.\347\272\277\347\250\213\344\270\216\350\277\233\347\250\213/config.json"
index 648b4023263995533d4f5ed019e514b7314d8ba8..5d3f38181d4bc80a3498e0521e32bc9b8ec753a0 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/1.\347\272\277\347\250\213\344\270\216\350\277\233\347\250\213/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/1.\347\272\277\347\250\213\344\270\216\350\277\233\347\250\213/config.json"
@@ -1,6 +1,13 @@
 {
-  "node_id": "java-5dcc74ab2617434f91ae6aa1ba0ac661",
-  "keywords": ["并发", "并行", "线程", "thread"],
+  "node_id": "java-4f5db1be5ff940d49a62f30bbb0f18d1",
+  "keywords": [
+    "并发",
+    "并行",
+    "线程",
+    "thread"
+  ],
   "children": [],
-  "export": ["thread.json"]
+  "export": [
+    "thread.json"
+  ]
 }
\ No newline at end of file
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/2.Future\344\270\216CompletableFuture/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/2.Future\344\270\216CompletableFuture/config.json"
index 88a9548df6e01411e5d16e13c86dc776efa15b61..9b4e18d39d73a5329544b4f9f31704a899b7c3c6 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/2.Future\344\270\216CompletableFuture/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/2.Future\344\270\216CompletableFuture/config.json"
@@ -1,6 +1,10 @@
 {
-  "node_id": "java-90f4b7c696464886af9c8de8cbd95338",
-  "keywords": ["并发", "异步", "future"],
+  "node_id": "java-ee8e3edb643c4998b4abf0ae1d259bb3",
+  "keywords": [
+    "并发",
+    "异步",
+    "future"
+  ],
   "children": [],
   "export": [],
   "title": "为并发而生的CompletableFuture和结合器"
diff --git "a/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/config.json" "b/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/config.json"
index 72214d22e71795a552f1e63fc4ff26c304b491d4..e00783c3818c4dc580f1bfdcac54f63f29aeb73e 100644
--- "a/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/3.Java\345\274\202\346\255\245\344\273\273\345\212\241/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-267da81d131440de883b62376f5fc38b",
+  "node_id": "java-9186c0d8cd054a79badfc2a63336e082",
   "keywords": [],
   "children": [
     {
diff --git "a/data/3.Java\351\253\230\351\230\266/config.json" "b/data/3.Java\351\253\230\351\230\266/config.json"
index 545f2d0af5ad3eb2462d6a6782f2e42e772f2ae4..caadf25cb55a891c687e41c1b4a536bf9a6c88e1 100644
--- "a/data/3.Java\351\253\230\351\230\266/config.json"
+++ "b/data/3.Java\351\253\230\351\230\266/config.json"
@@ -1,5 +1,5 @@
 {
-  "node_id": "java-f03087d9779b41a1acf435e3eb6e28f7",
+  "node_id": "java-49f8aaf54e844731ac4de9b3715b10fa",
   "keywords": [],
   "title": "Java高阶"
 }
\ No newline at end of file
diff --git a/data/config.json b/data/config.json
index 18e7a1ab17194f19bc6c3927d2defd08d0e2c89a..97359452f4fc2c19cd74d029b28b29a731b68749 100644
--- a/data/config.json
+++ b/data/config.json
@@ -1,6 +1,6 @@
 {
   "tree_name": "java",
   "keywords": [],
-  "node_id": "java-cd78d5d1fb3749ecbc21ee6e8542a724",
+  "node_id": "java-a1e123250cb64aa9b5b73f085cdedf36",
   "title": "Java"
 }
\ No newline at end of file
diff --git a/data/tree.json b/data/tree.json
index b582dde72978a00d0f6ecb290ad75a7edfaa2cbc..738a1d9195e49cbdee1ed1ed4752840ef86d45a1 100644
--- a/data/tree.json
+++ b/data/tree.json
@@ -1,21 +1,21 @@
 {
   "java": {
-    "node_id": "java-cd78d5d1fb3749ecbc21ee6e8542a724",
+    "node_id": "java-a1e123250cb64aa9b5b73f085cdedf36",
     "keywords": [],
     "children": [
       {
         "Java初阶": {
-          "node_id": "java-71a99d2763734420aee110c5c5b904d8",
+          "node_id": "java-5bf10223efbe4f1cbfbde20a951dc48c",
           "keywords": [],
           "children": [
             {
               "Java概览": {
-                "node_id": "java-379b792dde024090a7ed43b392ece2c5",
+                "node_id": "java-d2bffd0bc5f344d18e38d20da5d0825f",
                 "keywords": [],
                 "children": [
                   {
                     "编辑Java源代码": {
-                      "node_id": "java-55cfe3ca4d8f4611855475c2ea3737af",
+                      "node_id": "java-5bf5fa8d0e624c88adef513503fe8267",
                       "keywords": [
                         "输出",
                         "main",
@@ -26,21 +26,21 @@
                   },
                   {
                     "编译Java程序": {
-                      "node_id": "java-5fa1abbd66474a9e98f62e3e172dbdfb",
+                      "node_id": "java-be58eb874ac547cfbe142acf09f2f066",
                       "keywords": [],
                       "children": []
                     }
                   },
                   {
                     "Java的运行机制": {
-                      "node_id": "java-1c7f65aae3e344c39de8791b67e1fbb7",
+                      "node_id": "java-d5943ac82f9947448d38474ee81179ed",
                       "keywords": [],
                       "children": []
                     }
                   },
                   {
                     "根据CLASSPATH环境变量定位类": {
-                      "node_id": "java-45cdc91007ba431e87124a6a9c15725e",
+                      "node_id": "java-798d1a8ca9984a208a48b3ba05acddc3",
                       "keywords": [],
                       "children": []
                     }
@@ -50,12 +50,12 @@
             },
             {
               "Java的基本语法": {
-                "node_id": "java-fc5d065c53404449bf726b5e441706c1",
+                "node_id": "java-052295f40f1141709ac9897350b662ca",
                 "keywords": [],
                 "children": [
                   {
                     "Java的基本语法格式": {
-                      "node_id": "java-efb87004230b4680a32c6584112c6f20",
+                      "node_id": "java-7cc060c14db04dc8845d685338560f06",
                       "keywords": [
                         "语法",
                         "Hello World"
@@ -65,7 +65,7 @@
                   },
                   {
                     "Java中的注释": {
-                      "node_id": "java-c668b26b90ab4982bd906933809d6049",
+                      "node_id": "java-74c5aeaf55ad4d90826fe93241ba0a4a",
                       "keywords": [
                         "注释 "
                       ],
@@ -74,7 +74,7 @@
                   },
                   {
                     "Java中的关键字": {
-                      "node_id": "java-0021d9d14dfc429cab17b4dd912651b6",
+                      "node_id": "java-3bb4c19830314a41857e289438824d5e",
                       "keywords": [
                         "关键字"
                       ],
@@ -86,12 +86,12 @@
             },
             {
               "Java中的变量与常量": {
-                "node_id": "java-19afc527fd62401aaf89ff81a250d624",
+                "node_id": "java-7b91489a464646a1a7a9c3044be66aa3",
                 "keywords": [],
                 "children": [
                   {
                     "变量的定义": {
-                      "node_id": "java-b8e6eab222ad4a06b53b4d00182769db",
+                      "node_id": "java-6349a060063444adabff1a149df30398",
                       "keywords": [
                         "变量",
                         "赋值",
@@ -102,7 +102,7 @@
                   },
                   {
                     "变量的数据类型": {
-                      "node_id": "java-ac26535850ef4aaf8bb9fec08bc47825",
+                      "node_id": "java-2aad5d0ab9b840e085a1e73342ba7473",
                       "keywords": [
                         "变量",
                         "类型"
@@ -112,7 +112,7 @@
                   },
                   {
                     "Java中的常量": {
-                      "node_id": "java-37cc072d202340f5ae3a6e829416edc7",
+                      "node_id": "java-a323fe1779be4b01864f1aca9e52084d",
                       "keywords": [
                         "常量",
                         "定义",
@@ -124,7 +124,7 @@
                   },
                   {
                     "变量的作用域": {
-                      "node_id": "java-4657e7685f1543ddbaba55b2562b4ec9",
+                      "node_id": "java-428738ab7ad3450ebc93ea41bafeb12b",
                       "keywords": [
                         "常量",
                         "定义",
@@ -138,12 +138,12 @@
             },
             {
               "Java中的运算符": {
-                "node_id": "java-624bba5cef024d2d8ebf54ded569343d",
+                "node_id": "java-7c363476a5f9428880a703526e65c06e",
                 "keywords": [],
                 "children": [
                   {
                     "比较运算符": {
-                      "node_id": "java-e858a75415dd4f6cb36cb023f4bb9ed8",
+                      "node_id": "java-48023985c79d4daaa623d1b6aa03e8f7",
                       "keywords": [
                         "大于",
                         "小于",
@@ -156,7 +156,7 @@
                   },
                   {
                     "逻辑运算符": {
-                      "node_id": "java-79c8e7f14bee4898a52f3103a29ae564",
+                      "node_id": "java-9ec721f7cbf3423e8790c3c7a2dca1b7",
                       "keywords": [
                         "逻辑运算符",
                         "组合",
@@ -167,7 +167,7 @@
                   },
                   {
                     "算术运算符": {
-                      "node_id": "java-5d46f8b7ac974df8a24a04805c4a167b",
+                      "node_id": "java-7179c36b67484e8fa22ab37567a538a2",
                       "keywords": [
                         "算术运算符",
                         "优先级"
@@ -180,12 +180,12 @@
             },
             {
               "选择结构语句": {
-                "node_id": "java-630751c514da49b9b675fddc5b2d0418",
+                "node_id": "java-c8e3ba6ad5ea4616a33a70d3f9399d09",
                 "keywords": [],
                 "children": [
                   {
                     "if条件语句": {
-                      "node_id": "java-d4a802d353d648a0a4c90daf60774cf3",
+                      "node_id": "java-fa27e49024924941b8a3e376d709d588",
                       "keywords": [
                         "条件",
                         "控制",
@@ -197,7 +197,7 @@
                   },
                   {
                     "switch条件语句": {
-                      "node_id": "java-180cf0806d374fa4b10fdaebcc946d89",
+                      "node_id": "java-0a01d35aa8fe46908945c2340a9e9b45",
                       "keywords": [
                         "条件",
                         "控制",
@@ -212,12 +212,12 @@
             },
             {
               "循环结构语句": {
-                "node_id": "java-672a697e644041cda2a90dc1ca90d2a9",
+                "node_id": "java-c5975909c2f84aad8081eadc3580a53a",
                 "keywords": [],
                 "children": [
                   {
                     "dowhile循环": {
-                      "node_id": "java-9814a131da364cd0a3933b640ddb421c",
+                      "node_id": "java-cb219158ffcd4bb8b8a8eec8073b0d29",
                       "keywords": [
                         "循环",
                         "do",
@@ -228,7 +228,7 @@
                   },
                   {
                     "for循环语句": {
-                      "node_id": "java-911127b38b884ab4bb5a35365c41833b",
+                      "node_id": "java-18ead197908d4bf4921abf51949e0cdf",
                       "keywords": [
                         "循环",
                         "for"
@@ -241,12 +241,12 @@
             },
             {
               "集合": {
-                "node_id": "java-43b99c9c823a4ff798631990686d3088",
+                "node_id": "java-22c1e05d83854618bd8189dc7bba5568",
                 "keywords": [],
                 "children": [
                   {
                     "Collection接口": {
-                      "node_id": "java-73271e880f0843f69437427bfc557ff2",
+                      "node_id": "java-b6d4829923a04f5f9272f85b775885a2",
                       "keywords": [
                         "集合",
                         "collection"
@@ -256,7 +256,7 @@
                   },
                   {
                     "List接口": {
-                      "node_id": "java-c6a5d8d2c6394aae9ba504a2d2e922e8",
+                      "node_id": "java-2c469867e4b24d15a7d401f8e7da973c",
                       "keywords": [
                         "集合",
                         "list",
@@ -292,7 +292,7 @@
                   },
                   {
                     "Collection集合遍历": {
-                      "node_id": "java-04044ad9b1914b928a0f48be4478f9ac",
+                      "node_id": "java-54e66a17debe42e38437248a7ed47cf0",
                       "keywords": [
                         "集合",
                         "迭代",
@@ -328,7 +328,7 @@
                   },
                   {
                     "Set接口": {
-                      "node_id": "java-243249b52e4449d1acc2f61ac3d492c4",
+                      "node_id": "java-c3b6b7d7a85947cfaeac4fb68e9b63c3",
                       "keywords": [
                         "集合",
                         "set"
@@ -363,7 +363,7 @@
                   },
                   {
                     "Map接口": {
-                      "node_id": "java-585898e24579448980def03a33fd553c",
+                      "node_id": "java-c2013430bf2b4fa2ace7503087a3baaa",
                       "keywords": [
                         "集合",
                         "字典",
@@ -413,7 +413,7 @@
                   },
                   {
                     "Java集合框架": {
-                      "node_id": "java-860b3800347942d2857795251974730b",
+                      "node_id": "java-dff52c5bee4b4e2a98d5d788f7cb6f5a",
                       "keywords": [],
                       "children": [
                         {
@@ -437,7 +437,7 @@
                   },
                   {
                     "链表": {
-                      "node_id": "java-bfbb4319eb60496583ace9aca561c7ab",
+                      "node_id": "java-ac47edf9460f4f4facc795b78e8a03d0",
                       "keywords": [
                         "集合",
                         "链表"
@@ -447,7 +447,7 @@
                   },
                   {
                     "数组列表": {
-                      "node_id": "java-a8e9302bf3f34c67b6d0d1d1dd5b8e06",
+                      "node_id": "java-72d6bd640c8a4cd5b6f60d6addb91859",
                       "keywords": [
                         "集合",
                         "ArrayList"
@@ -457,7 +457,7 @@
                   },
                   {
                     "散列集": {
-                      "node_id": "java-53a2b2fe37394f808059240a7a65c347",
+                      "node_id": "java-d23e5c68c19e4463ae697b11ec024fcd",
                       "keywords": [
                         "集合",
                         "HashSet"
@@ -467,7 +467,7 @@
                   },
                   {
                     "树集": {
-                      "node_id": "java-b295e8ba38ed4e3c90ea0f7b0d70039e",
+                      "node_id": "java-0c4151143a6b45cbb5d62c166616c230",
                       "keywords": [
                         "集合",
                         "树"
@@ -477,7 +477,7 @@
                   },
                   {
                     "映射": {
-                      "node_id": "java-7625240ab0254b198142c52926465f42",
+                      "node_id": "java-6b6cfa4162a2403aaec29d7a94077979",
                       "keywords": [
                         "集合",
                         "映射",
@@ -541,7 +541,7 @@
                   },
                   {
                     "遗留的集合": {
-                      "node_id": "java-7f1d9ed947de49588bb7c8a02e052c10",
+                      "node_id": "java-756b86bbbc894b908a326faf5214d554",
                       "keywords": [],
                       "children": [
                         {
@@ -573,7 +573,7 @@
                   },
                   {
                     "编写equals和hashCode": {
-                      "node_id": "java-bb2a2b6d7b114799b01aa89bafbdab86",
+                      "node_id": "java-a5b5fbaaa9124123ac7dfd59017cee67",
                       "keywords": [
                         "判等",
                         "hash",
@@ -584,7 +584,7 @@
                   },
                   {
                     "使用TreeMap": {
-                      "node_id": "java-6d9ccc979da54411ac65fccd1a12071e",
+                      "node_id": "java-9cd57740c221421ea11df841f1068f2c",
                       "keywords": [
                         "集合",
                         "TreeMap",
@@ -595,7 +595,7 @@
                   },
                   {
                     "使用Properties": {
-                      "node_id": "java-7b0b78c00f934f7f958dcf7107243ae1",
+                      "node_id": "java-bbae26d11e36476b9b787c5f46363476",
                       "keywords": [
                         "属性",
                         "字典",
@@ -606,7 +606,7 @@
                   },
                   {
                     "使用Deque": {
-                      "node_id": "java-ff4a16d20df24eda93d843749e777a76",
+                      "node_id": "java-8eb7a6cfa3774e338deeda19681d9a37",
                       "keywords": [
                         "集合",
                         "队列"
@@ -619,12 +619,12 @@
             },
             {
               "操作符": {
-                "node_id": "java-d131f1a8df9446d383ed50bbd172c4bb",
+                "node_id": "java-49691291d1ca4476a49218f12b368fb3",
                 "keywords": [],
                 "children": [
                   {
                     "算术操作符": {
-                      "node_id": "java-a4cc291dc2264301a87f361de4b8d6ea",
+                      "node_id": "java-fe81ca5432b647a8a3147e2e284a1c93",
                       "keywords": [
                         "算术操作符"
                       ],
@@ -642,7 +642,7 @@
                   },
                   {
                     "自动递增和递减": {
-                      "node_id": "java-f6e6b9e930ef46699788339fc7322f18",
+                      "node_id": "java-0df8951b2a2345c4922d6a911e8c3b9a",
                       "keywords": [
                         "递增",
                         "递减"
@@ -652,7 +652,7 @@
                   },
                   {
                     "关系操作符": {
-                      "node_id": "java-21247e52fb0849699959f78321bc855e",
+                      "node_id": "java-a753f96155a342d7ae88911f37b9d1ca",
                       "keywords": [
                         "关系运算"
                       ],
@@ -670,7 +670,7 @@
                   },
                   {
                     "逻辑操作符": {
-                      "node_id": "java-a7a6076a60e140f18b63b6ea3574eed2",
+                      "node_id": "java-eb94d176c0ad48b2a059ff096b056c86",
                       "keywords": [
                         "逻辑",
                         "布尔",
@@ -691,7 +691,7 @@
                   },
                   {
                     "按位操作符": {
-                      "node_id": "java-58320af2f24648198eda32c4da587b5d",
+                      "node_id": "java-78d3a0a5e47b4400a032a68d3e4bca04",
                       "keywords": [
                         "位运算",
                         "bit",
@@ -702,7 +702,7 @@
                   },
                   {
                     "移位操作符": {
-                      "node_id": "java-0d405a41281d424ca00dca4e18c12b61",
+                      "node_id": "java-62290b16ee0a4ca9947453a57ca35968",
                       "keywords": [
                         "位运算",
                         "左移",
@@ -713,7 +713,7 @@
                   },
                   {
                     "三元操作符if-else": {
-                      "node_id": "java-27584561349847fa84c7905215131621",
+                      "node_id": "java-564059825ace45b6a6f86ec5d8e8a41b",
                       "keywords": [
                         "逻辑",
                         "三元运算符"
@@ -723,7 +723,7 @@
                   },
                   {
                     "字符串操作符 + 和 +=": {
-                      "node_id": "java-8fad68e2479a4e93875c6ca1746baef6",
+                      "node_id": "java-4f7b3c3148f04d919c48e5f38392ff53",
                       "keywords": [
                         "字符串"
                       ],
@@ -735,12 +735,12 @@
             },
             {
               "控制执行流程": {
-                "node_id": "java-05024fbfd53a4d88978d6c78d7ff06bf",
+                "node_id": "java-bafd95feb9e349019012c0ec055f09d3",
                 "keywords": [],
                 "children": [
                   {
                     "if-else": {
-                      "node_id": "java-85a126a6ba39488aaabd2d4015353175",
+                      "node_id": "java-3f104b900b7c42a3a06648bd4d12a54f",
                       "keywords": [
                         "流程控制",
                         "if",
@@ -751,7 +751,7 @@
                   },
                   {
                     "for": {
-                      "node_id": "java-722dc1cccbc74369b9bff5ac580bc649",
+                      "node_id": "java-ca8b63ac2d184117922578f453a11892",
                       "keywords": [
                         "流程控制",
                         "for",
@@ -763,7 +763,7 @@
                   },
                   {
                     "switch": {
-                      "node_id": "java-05144fa9daf94a64ad0667eab1d6cc9a",
+                      "node_id": "java-791600fe46684f24be414d4dbd0b1a76",
                       "keywords": [
                         "流程控制",
                         "switch"
@@ -773,7 +773,7 @@
                   },
                   {
                     "通过异常处理错误": {
-                      "node_id": "java-d11b7f01004c443ea6226d174ba1e3fa",
+                      "node_id": "java-18e496a1f40346168386377377993a4a",
                       "keywords": [
                         "异常",
                         "错误",
@@ -999,7 +999,7 @@
                   },
                   {
                     "函数": {
-                      "node_id": "java-f2482f12e0634885bdf6701a5a802c77",
+                      "node_id": "java-fad611687c404a05a4a27a69e3545af3",
                       "keywords": [
                         "函数",
                         "function"
@@ -1012,19 +1012,19 @@
             },
             {
               "类和接口": {
-                "node_id": "java-e06f6fb888f940b4894e835d9afc9138",
+                "node_id": "java-4ac81e64cadd4f25886366d769385b30",
                 "keywords": [],
                 "children": [
                   {
                     "类和面向对象": {
-                      "node_id": "java-461a08a44ae845018b7f0356ea928085",
+                      "node_id": "java-8c44dbb6d65f4370b7c0b06a3bf76b8c",
                       "keywords": [],
                       "children": []
                     }
                   },
                   {
                     "抽象类": {
-                      "node_id": "java-a02b334b2e364161badae34636a0284f",
+                      "node_id": "java-68fd9adbce8a4cef9e63edc4549d9277",
                       "keywords": [
                         "面向对象",
                         "抽象类",
@@ -1035,7 +1035,7 @@
                   },
                   {
                     "接口": {
-                      "node_id": "java-5d28bfbed25f4ae2b4d21fc1f2222e49",
+                      "node_id": "java-8454147da6c248e0879861869913ed33",
                       "keywords": [
                         "面向对象",
                         "类型",
@@ -1046,7 +1046,7 @@
                   },
                   {
                     "匿名类": {
-                      "node_id": "java-b06b5b2c7a6b44cc87744168729b31e6",
+                      "node_id": "java-71ccb4471acf40ccb1d4efc509e1becd",
                       "keywords": [
                         "面向对象",
                         "匿名类",
@@ -1060,19 +1060,19 @@
             },
             {
               "IO初步": {
-                "node_id": "java-7731719237a149f4b72ed3fdf17a16fb",
+                "node_id": "java-d6b4921c0ddb48b296ec51aaa1f20d64",
                 "keywords": [],
                 "children": [
                   {
                     "字节流": {
-                      "node_id": "java-5a6948bd7d6d4057ad78dc6923dc4061",
+                      "node_id": "java-d66baf5e211043f09375ad761a51b383",
                       "keywords": [],
                       "children": []
                     }
                   },
                   {
                     "File类": {
-                      "node_id": "java-4293c5bec0cb415fac5e1d80be8f6113",
+                      "node_id": "java-d3a81ce00f6643b0ba4562ad32d52edb",
                       "keywords": [],
                       "children": []
                     }
@@ -1085,17 +1085,17 @@
       },
       {
         "Java中阶": {
-          "node_id": "java-b4719189dc7544228ef1b578548be47f",
+          "node_id": "java-a824bb5914344d22ab0efdc09885740e",
           "keywords": [],
           "children": [
             {
               "IO": {
-                "node_id": "java-3dc422fd227a45db83e38ba6fe0003c0",
+                "node_id": "java-ec99adaddab8402caec79b61fab2f335",
                 "keywords": [],
                 "children": [
                   {
                     "流概述": {
-                      "node_id": "java-9d6d81f6283d414ba54d97cb25373b7c",
+                      "node_id": "java-ff3b0896ce674991b8dc1598e0b3143d",
                       "keywords": [
                         "流",
                         "stream",
@@ -1107,7 +1107,7 @@
                   },
                   {
                     "RandomAccessFile": {
-                      "node_id": "java-3c0553280d2a4b60983a5ae18e7112a4",
+                      "node_id": "java-2933c93121fa4705bdfbcfb75f1c6433",
                       "keywords": [
                         "随机",
                         "访问",
@@ -1119,7 +1119,7 @@
                   },
                   {
                     "输入输出流": {
-                      "node_id": "java-4395c520c7514a97a792922acd5937bb",
+                      "node_id": "java-e93f5f4c6dfd4792be4fc92bdce71894",
                       "keywords": [
                         "input",
                         "output",
@@ -1149,7 +1149,7 @@
                   },
                   {
                     "文件输入输出流": {
-                      "node_id": "java-132615c6b56b4ea883622abf5b81128d",
+                      "node_id": "java-7d7db3c20b954c98be706a52d5f31d70",
                       "keywords": [
                         "file",
                         "input",
@@ -1182,7 +1182,7 @@
                   },
                   {
                     "对象序列化": {
-                      "node_id": "java-ec1081c263a84d41b692d4821d8254e6",
+                      "node_id": "java-22ccafc8d5e4408bb085f2840ac1f3cd",
                       "keywords": [
                         "序列化",
                         "serialize",
@@ -1193,7 +1193,7 @@
                   },
                   {
                     "ZIP压缩输入输出流": {
-                      "node_id": "java-822ae98d5b294e699b7ed1bc6ffb9425",
+                      "node_id": "java-08acce46f22c46b9b56d485181dfb7d9",
                       "keywords": [
                         "zip",
                         "unzip",
@@ -1226,7 +1226,7 @@
                   },
                   {
                     "InputStream类型": {
-                      "node_id": "java-fc2dfe1a80f64143b4ad339378ba61da",
+                      "node_id": "java-df2a58633f4242659914c55acbb59530",
                       "keywords": [
                         "stream",
                         "input",
@@ -1238,7 +1238,7 @@
                   },
                   {
                     "OutputStream类型": {
-                      "node_id": "java-cc8c2e511db54a2ca2ee798f2cdbd03b",
+                      "node_id": "java-a5d8d33984124a52adcf5daa1578afff",
                       "keywords": [
                         "output",
                         "stream",
@@ -1253,12 +1253,12 @@
             },
             {
               "使用JDBC操作数据库": {
-                "node_id": "java-952e5473dc85415b8d737648a1d20351",
+                "node_id": "java-28205249ac1f4e6ca39f3369c8f8162f",
                 "keywords": [],
                 "children": [
                   {
                     "JDBC概述": {
-                      "node_id": "java-150a9965d3e34a19943b4bd5ab2d31bb",
+                      "node_id": "java-e51de3fb1bdd47a596073b38aa43927a",
                       "keywords": [
                         "jdbc",
                         "驱动",
@@ -1295,7 +1295,7 @@
                   },
                   {
                     "数据库操作": {
-                      "node_id": "java-fd66a76b04b84d8da4454f6f9728aca0",
+                      "node_id": "java-7992e22b0a4d419fa2429b9ca58bf03a",
                       "keywords": [
                         "数据库",
                         "操作",
@@ -1410,12 +1410,12 @@
             },
             {
               "NIO": {
-                "node_id": "java-3f06cb54c165459b85d0c7f225e6acb7",
+                "node_id": "java-b61b6fb28d2c404aa958c040b9f46402",
                 "keywords": [],
                 "children": [
                   {
                     "NIO概述": {
-                      "node_id": "java-5daee2a48ed2413fa38467811ea5ee23",
+                      "node_id": "java-aec36f2deadf4cf0b30976461ecaf416",
                       "keywords": [
                         "nio"
                       ],
@@ -1424,7 +1424,7 @@
                   },
                   {
                     "Buffer（缓冲器）": {
-                      "node_id": "java-e622e94340ee4f00ae2aec33047cb19f",
+                      "node_id": "java-ceadead9531d44febda71b94890c519b",
                       "keywords": [
                         "buffer",
                         "缓冲"
@@ -1434,7 +1434,7 @@
                   },
                   {
                     "Channel（通道）": {
-                      "node_id": "java-1cbb9d1ea7c74caeaf8d88c2aad75965",
+                      "node_id": "java-d91df81cf1da4b8795c323154059db47",
                       "keywords": [
                         "channel",
                         "通道"
@@ -1444,7 +1444,7 @@
                   },
                   {
                     "字符集和Charset": {
-                      "node_id": "java-984b508fc9a54650aa9509eeb198f925",
+                      "node_id": "java-017e3a2aa6fd42cda49816171414b138",
                       "keywords": [
                         "字符集",
                         "charset"
@@ -1454,7 +1454,7 @@
                   },
                   {
                     "文件锁": {
-                      "node_id": "java-338c2cfa55b346a0a0cd4dfc61c40ae6",
+                      "node_id": "java-010102d15bdc4327acc586be3390f7f3",
                       "keywords": [
                         "file",
                         "文件",
@@ -1466,7 +1466,7 @@
                   },
                   {
                     "Path接口": {
-                      "node_id": "java-386113b4f6274eb591e1f01b39f0c8ce",
+                      "node_id": "java-75e34e94d6134ea2bf38da44ddb86e8d",
                       "keywords": [
                         "Paths",
                         "Path",
@@ -1477,7 +1477,7 @@
                   },
                   {
                     "Files工具类": {
-                      "node_id": "java-868e1323bfdf4c239a6552a45a30d48d",
+                      "node_id": "java-01bc836133724b13bbd95be2bd38c195",
                       "keywords": [
                         "文件",
                         "file"
@@ -1490,12 +1490,12 @@
             },
             {
               "网络编程": {
-                "node_id": "java-94b280240e7c4f67b1512eb20fd9beaa",
+                "node_id": "java-337fdb2a49764b57a7809beac19d4f6d",
                 "keywords": [],
                 "children": [
                   {
                     "网络编程基础": {
-                      "node_id": "java-59e7173695814c90858bc221e8688329",
+                      "node_id": "java-379080af5d58432cb3d896953af398bc",
                       "keywords": [
                         "网络",
                         "通信",
@@ -1538,7 +1538,7 @@
                   },
                   {
                     "UDP通信": {
-                      "node_id": "java-f031c1ea305e4617bb1d9f2c4d41f009",
+                      "node_id": "java-a54e4aa1f0c246dead7991a2b05989a8",
                       "keywords": [
                         "network",
                         "udp",
@@ -1588,7 +1588,7 @@
                   },
                   {
                     "TCP通信": {
-                      "node_id": "java-d1499a6f75a04d038344ce776d1c658a",
+                      "node_id": "java-e32133688c314b33b6ba760ab8031a97",
                       "keywords": [
                         "network",
                         "tcp"
@@ -1644,7 +1644,7 @@
                   },
                   {
                     "Java的基本网络支持": {
-                      "node_id": "java-1e8ef0cdeec443d8addaaa79b760c6b1",
+                      "node_id": "java-7bf6ac1268934b879e0cdb4705f38f06",
                       "keywords": [
                         "network"
                       ],
@@ -1670,7 +1670,7 @@
                   },
                   {
                     "使用代理服务器": {
-                      "node_id": "java-cb9fdf69e28f40aca9ef741b9c8bc925",
+                      "node_id": "java-e86e029d0eba4c669cba4a30f3df8289",
                       "keywords": [
                         "network",
                         "proxy"
@@ -1697,7 +1697,7 @@
                   },
                   {
                     "Java 11标准化的HTTP Client": {
-                      "node_id": "java-dd60957a0a7f4155a68aea7c6807d504",
+                      "node_id": "java-c76fef65ab48405f8a4f2fa5b446f877",
                       "keywords": [
                         "websocket",
                         "get",
@@ -1753,12 +1753,12 @@
             },
             {
               "类型信息": {
-                "node_id": "java-7b912e7b9d1547e9ba78b26cb78e254c",
+                "node_id": "java-eee19573fbcf414e9aea31ace6667852",
                 "keywords": [],
                 "children": [
                   {
                     "Class对象": {
-                      "node_id": "java-1133afe68c004a0ea2ad957f0acb061e",
+                      "node_id": "java-364c77326d09467f9fbdd9e6d0b2de54",
                       "keywords": [
                         "class",
                         "类",
@@ -1794,7 +1794,7 @@
                   },
                   {
                     "类型转换前先做检查": {
-                      "node_id": "java-48593d705752415e95c42b09d36bc2a4",
+                      "node_id": "java-e2478435a9dd43c4a8f13ab57c5254f7",
                       "keywords": [
                         "instanceof",
                         "类型"
@@ -1829,7 +1829,7 @@
                   },
                   {
                     "instanceof与Class的等价性": {
-                      "node_id": "java-feca89c3fb9e4bcaba3f1f95e8ad4753",
+                      "node_id": "java-9d335e336b844d0aa1ecbb07db83e59b",
                       "keywords": [
                         "类型"
                       ],
@@ -1838,7 +1838,7 @@
                   },
                   {
                     "反射：运行时类信息": {
-                      "node_id": "java-42b26ca8a2384dcfb02fca6e159ace67",
+                      "node_id": "java-4530a0c61995489793918cf404773302",
                       "keywords": [
                         "annotation",
                         "标注"
@@ -1973,7 +1973,7 @@
                   },
                   {
                     "动态代理": {
-                      "node_id": "java-f7be740717c442c4a489a8c8d675f38c",
+                      "node_id": "java-45065e0c20444d44b3a87200f528662b",
                       "keywords": [
                         "proxy"
                       ],
@@ -1982,7 +1982,7 @@
                   },
                   {
                     "空对象": {
-                      "node_id": "java-dec42155c7904f7e9d00a37b5013470d",
+                      "node_id": "java-eaefe1c036e34432989dce9e64e1cd07",
                       "keywords": [
                         "空对象"
                       ],
@@ -2003,19 +2003,19 @@
             },
             {
               "深入研究容器": {
-                "node_id": "java-ca51e8798bc84a47b13a58c8d734ac34",
+                "node_id": "java-da24a1406bd849748c944ba9c64959d6",
                 "keywords": [],
                 "children": [
                   {
                     "Collection的功能方法": {
-                      "node_id": "java-e4ee5c02d364431f901c2851e2bebdc0",
+                      "node_id": "java-9011e3673fdd4c5b8ebefeb801a7b251",
                       "keywords": [],
                       "children": []
                     }
                   },
                   {
                     "List的功能方法": {
-                      "node_id": "java-6a6a4fabc4e34b5d985e4787fda4793f",
+                      "node_id": "java-38a33f3b96ba4de58fec6110bdcabec1",
                       "keywords": [
                         "list",
                         "数据结构"
@@ -2025,7 +2025,7 @@
                   },
                   {
                     "Set和存储顺序": {
-                      "node_id": "java-d29c64a86fbb49b88cc2eaa7b39375b4",
+                      "node_id": "java-2c6f1ebcf48d4d949f9637136996221b",
                       "keywords": [
                         "set",
                         "数据结构"
@@ -2035,7 +2035,7 @@
                   },
                   {
                     "队列": {
-                      "node_id": "java-3b1d3953fd724d1f87c1e95918bc2d0c",
+                      "node_id": "java-4d7007f23b21409db112714c6368f1f5",
                       "keywords": [
                         "队列",
                         "queue",
@@ -2063,7 +2063,7 @@
                   },
                   {
                     "理解Map": {
-                      "node_id": "java-154f1448c9f04d7d950de1273760288f",
+                      "node_id": "java-9e0d62d8d23e4cef8f50e92a9bc67586",
                       "keywords": [
                         "map",
                         "字典",
@@ -2099,7 +2099,7 @@
                   },
                   {
                     "选择接口的不同实现": {
-                      "node_id": "java-553c2f460603478f9d4047e1b4d78af1",
+                      "node_id": "java-b4b3ae22ee994604b08da0b2b3b07819",
                       "keywords": [
                         "数据结构"
                       ],
@@ -2147,7 +2147,7 @@
                   },
                   {
                     "Collections实用方法": {
-                      "node_id": "java-3805023f872947c4874b6e7bab06c1a7",
+                      "node_id": "java-d6fffad74d944a338a42b368cda4180c",
                       "keywords": [
                         "数据结构"
                       ],
@@ -2184,12 +2184,12 @@
             },
             {
               "注解": {
-                "node_id": "java-baada6303aca42f0b2f7882a3446fdf9",
+                "node_id": "java-91d648c23e764807ad81363911b1791f",
                 "keywords": [],
                 "children": [
                   {
                     "基本语法": {
-                      "node_id": "java-132c631a618e4828b4c69316d6163ec3",
+                      "node_id": "java-7e3c7a4d2e2d44d2972caef36a100e29",
                       "keywords": [
                         "注解",
                         "annotation"
@@ -2216,7 +2216,7 @@
                   },
                   {
                     "使用apt处理注解": {
-                      "node_id": "java-8b0806d4d89948598ac95e5c19b53298",
+                      "node_id": "java-cd727a5233bd473a90d54c0e4acb3c23",
                       "keywords": [
                         "apt",
                         "注解",
@@ -2227,7 +2227,7 @@
                   },
                   {
                     "基于注解的单元测试": {
-                      "node_id": "java-352f523c7ad54583a0097cf171015d83",
+                      "node_id": "java-9910e453875c41aa8ecb0e408d8e808d",
                       "keywords": [
                         "junit",
                         "单元测试",
@@ -2274,12 +2274,12 @@
             },
             {
               "并发": {
-                "node_id": "java-2477cdd2265348da836b2116f5fe73b6",
+                "node_id": "java-ed00d3a4e77844358adbc4b957b763da",
                 "keywords": [],
                 "children": [
                   {
                     "并发的定义": {
-                      "node_id": "java-66090dfe673e48a5a14c6ee846c4fc97",
+                      "node_id": "java-9e3568beaa5f465692e42a7890d24553",
                       "keywords": [
                         "并发"
                       ],
@@ -2305,7 +2305,7 @@
                   },
                   {
                     "线程属性": {
-                      "node_id": "java-785476f0c71e437cadeb502a74dd86ed",
+                      "node_id": "java-f61e2e0261b34e07b08593e4336e401d",
                       "keywords": [
                         "thread",
                         "线程",
@@ -2349,7 +2349,7 @@
                   },
                   {
                     "线程状态": {
-                      "node_id": "java-7a4a0e08d7424b5896f2325f732bdeee",
+                      "node_id": "java-e8ad6e7e6daf46f1b14c2dba716699d0",
                       "keywords": [
                         "thread",
                         "线程",
@@ -2393,7 +2393,7 @@
                   },
                   {
                     "线程之间的协作": {
-                      "node_id": "java-5e82993df31e4989ac4b128c08cf0823",
+                      "node_id": "java-73214eaf1de544d5ac1aa479be86565c",
                       "keywords": [
                         "thread",
                         "线程",
@@ -2437,7 +2437,7 @@
                   },
                   {
                     "死锁": {
-                      "node_id": "java-372114d043a04070ad690f2753b5083b",
+                      "node_id": "java-8e834028002e4a42b98d5b7922a816ae",
                       "keywords": [
                         "thread",
                         "线程",
@@ -2450,7 +2450,7 @@
                   },
                   {
                     "线程安全的集合": {
-                      "node_id": "java-aa0b95d8960b4d12a2c9d9e90894a793",
+                      "node_id": "java-eacd753bdd664fb789b1c1f1af295668",
                       "keywords": [
                         "thread",
                         "线程",
@@ -2518,7 +2518,7 @@
             },
             {
               "Maven基础": {
-                "node_id": "java-13e82ac770bb42f3a6076274c28ead94",
+                "node_id": "java-b739503be7de4f5687931d3aad075b50",
                 "keywords": [
                   "maven",
                   "构建"
@@ -2531,17 +2531,17 @@
       },
       {
         "Java高阶": {
-          "node_id": "java-f03087d9779b41a1acf435e3eb6e28f7",
+          "node_id": "java-49f8aaf54e844731ac4de9b3715b10fa",
           "keywords": [],
           "children": [
             {
               "行为抽象和Lambda": {
-                "node_id": "java-401df00d53964647a4fa249007f30a8b",
+                "node_id": "java-66b7da0a89bf40cd94842c68667bf8bf",
                 "keywords": [],
                 "children": [
                   {
                     "流和行为抽象": {
-                      "node_id": "java-fb711fb0dfbb40db974476ea2d9faf9d",
+                      "node_id": "java-885b4aa1be7e4c25809d17e562a3bd7c",
                       "keywords": [
                         "流",
                         "stream"
@@ -2551,7 +2551,7 @@
                   },
                   {
                     "Lambda表达式": {
-                      "node_id": "java-a3b60740abe74bb8a6c16dec381d31c4",
+                      "node_id": "java-7c82c0d878cf45f89786b6c41ec537b8",
                       "keywords": [
                         "lambda",
                         "高阶函数",
@@ -2564,7 +2564,7 @@
                   },
                   {
                     "流": {
-                      "node_id": "java-9f8b0da343fd415c9b29380647b0f1f8",
+                      "node_id": "java-f46bef900cdb4d1e8d25d99fa6cc3d4b",
                       "keywords": [
                         "流",
                         "stream"
@@ -2574,7 +2574,7 @@
                   },
                   {
                     "收集器": {
-                      "node_id": "java-0f1fc49b2e1c41368403ca2239810920",
+                      "node_id": "java-3aa2aad0cacd4b54ac826589fd69c59b",
                       "keywords": [
                         "流",
                         "stream",
@@ -2585,7 +2585,7 @@
                   },
                   {
                     "分组": {
-                      "node_id": "java-bbff17faa9a04aebbe14c62caccc2309",
+                      "node_id": "java-5d8e4aba2abc4ec184bc0f3ac79027b8",
                       "keywords": [
                         "流",
                         "stream",
@@ -2596,7 +2596,7 @@
                   },
                   {
                     "分区": {
-                      "node_id": "java-05498c81f6be42a2a44ddb4de0178420",
+                      "node_id": "java-42ea3b78e4f44f10bcdb50278787c200",
                       "keywords": [
                         "流",
                         "stream",
@@ -2610,12 +2610,12 @@
             },
             {
               "Optional": {
-                "node_id": "java-c3a2ef586dd7449788102b631419992f",
+                "node_id": "java-8938e109b899491faa4f2be686033c09",
                 "keywords": [],
                 "children": [
                   {
                     "Optional与Null": {
-                      "node_id": "java-36a3b51a36624ee8930794d64da6b22a",
+                      "node_id": "java-9a0b992aecda4b4891919ac65944c06d",
                       "keywords": [
                         "optional",
                         "null"
@@ -2625,7 +2625,7 @@
                   },
                   {
                     "一致性": {
-                      "node_id": "java-6a0ad22b08cd4520b453904d832936ea",
+                      "node_id": "java-35cbd9d5e4c243029005b1036eb21df6",
                       "keywords": [
                         "optional",
                         "null"
@@ -2638,12 +2638,12 @@
             },
             {
               "Java异步任务": {
-                "node_id": "java-267da81d131440de883b62376f5fc38b",
+                "node_id": "java-9186c0d8cd054a79badfc2a63336e082",
                 "keywords": [],
                 "children": [
                   {
                     "线程与进程": {
-                      "node_id": "java-5dcc74ab2617434f91ae6aa1ba0ac661",
+                      "node_id": "java-5fe3015858504ee6bcf8995fb41b953b",
                       "keywords": [
                         "并发",
                         "并行",
@@ -2655,7 +2655,7 @@
                   },
                   {
                     "Future与CompletableFuture": {
-                      "node_id": "java-90f4b7c696464886af9c8de8cbd95338",
+                      "node_id": "java-e7f0f2a34b5049d8b290e839e6aac172",
                       "keywords": [
                         "并发",
                         "异步",
diff --git a/src/tree.py b/src/tree.py
index 9dc5fe216a2b698c3a32ce80014f79aa6a177415..bb8e8794b1a8cece927728184139f6492ea50901 100644
--- a/src/tree.py
+++ b/src/tree.py
@@ -247,8 +247,12 @@ class TreeWalker:
         return config
 
     def ensure_node_id(self, config):
-        if "node_id" not in config:
-            config["node_id"] = self.gen_node_id()
+        if "node_id" not in config or \
+                not config["node_id"].startswith(f"{self.tree}-") or \
+                config["node_id"] in id_set:
+            new_id = self.gen_node_id()
+            id_set.add(new_id)
+            config["node_id"] = new_id
             return True, config
         else:
             return False, config