diff --git "a/data/1.PostgreSQL\345\210\235\351\230\266/1.PostgreSQL\345\237\272\346\234\254\346\246\202\345\277\265/1.\345\205\263\347\263\273\345\236\213\346\225\260\346\215\256\345\272\223/config.json" "b/data/1.PostgreSQL\345\210\235\351\230\266/1.PostgreSQL\345\237\272\346\234\254\346\246\202\345\277\265/1.\345\205\263\347\263\273\345\236\213\346\225\260\346\215\256\345\272\223/config.json"
index 1adb8f25712fe80d894a44383775fb7fa73c6127..b46c7768a21fb8f60e953300be60f5c243beeeab 100644
--- "a/data/1.PostgreSQL\345\210\235\351\230\266/1.PostgreSQL\345\237\272\346\234\254\346\246\202\345\277\265/1.\345\205\263\347\263\273\345\236\213\346\225\260\346\215\256\345\272\223/config.json"
+++ "b/data/1.PostgreSQL\345\210\235\351\230\266/1.PostgreSQL\345\237\272\346\234\254\346\246\202\345\277\265/1.\345\205\263\347\263\273\345\236\213\346\225\260\346\215\256\345\272\223/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-11d131b2d01b40be90b23f096d4852cc",
-  "keywords": [],
+  "keywords": ["关系型数据库", "database", "relational", "rdbms"],
   "children": [],
   "export": [
     "relation.json"
diff --git "a/data/1.PostgreSQL\345\210\235\351\230\266/1.PostgreSQL\345\237\272\346\234\254\346\246\202\345\277\265/2.\346\234\215\345\212\241\345\231\250\345\222\214\345\256\242\346\210\267\347\253\257/config.json" "b/data/1.PostgreSQL\345\210\235\351\230\266/1.PostgreSQL\345\237\272\346\234\254\346\246\202\345\277\265/2.\346\234\215\345\212\241\345\231\250\345\222\214\345\256\242\346\210\267\347\253\257/config.json"
index eab48c0c719aa0f7e27240f96dbce92c215c13d1..36319a174b3dd87b5678fd81932269c39a828406 100644
--- "a/data/1.PostgreSQL\345\210\235\351\230\266/1.PostgreSQL\345\237\272\346\234\254\346\246\202\345\277\265/2.\346\234\215\345\212\241\345\231\250\345\222\214\345\256\242\346\210\267\347\253\257/config.json"
+++ "b/data/1.PostgreSQL\345\210\235\351\230\266/1.PostgreSQL\345\237\272\346\234\254\346\246\202\345\277\265/2.\346\234\215\345\212\241\345\231\250\345\222\214\345\256\242\346\210\267\347\253\257/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-cf0e5cb243a247e2a0b812c5798cdba4",
-  "keywords": [],
+  "keywords": ["server", "client", "数据库服务器", "数据库客户端"],
   "children": [],
   "export": [
     "client.json",
diff --git "a/data/1.PostgreSQL\345\210\235\351\230\266/2.PostgreSQL\347\232\204\345\256\211\350\243\205/1.\345\256\211\350\243\205PostgreSQL/config.json" "b/data/1.PostgreSQL\345\210\235\351\230\266/2.PostgreSQL\347\232\204\345\256\211\350\243\205/1.\345\256\211\350\243\205PostgreSQL/config.json"
index b061382c4e6b72b014c26118bc27bbef0246b9e6..67326b7bc290bba932782170b5ab37e2c7c02b7e 100644
--- "a/data/1.PostgreSQL\345\210\235\351\230\266/2.PostgreSQL\347\232\204\345\256\211\350\243\205/1.\345\256\211\350\243\205PostgreSQL/config.json"
+++ "b/data/1.PostgreSQL\345\210\235\351\230\266/2.PostgreSQL\347\232\204\345\256\211\350\243\205/1.\345\256\211\350\243\205PostgreSQL/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-940afa6d71af44f689011ded8fd91a98",
-  "keywords": [],
+  "keywords": ["安装", "PostgreSQL"],
   "children": [],
   "export": ["install.json"]
 }
\ No newline at end of file
diff --git "a/data/1.PostgreSQL\345\210\235\351\230\266/3.\346\237\245\350\257\242\346\225\260\346\215\256/1.psql/config.json" "b/data/1.PostgreSQL\345\210\235\351\230\266/3.\346\237\245\350\257\242\346\225\260\346\215\256/1.psql/config.json"
index 2c65872cfbc052b78871c95aba62d8a818f9ed32..be7c5593eed85ee59240c215d2a2f9602cdb3a17 100644
--- "a/data/1.PostgreSQL\345\210\235\351\230\266/3.\346\237\245\350\257\242\346\225\260\346\215\256/1.psql/config.json"
+++ "b/data/1.PostgreSQL\345\210\235\351\230\266/3.\346\237\245\350\257\242\346\225\260\346\215\256/1.psql/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-ee5c6d4a073b45a7995ba351ab9de46e",
-  "keywords": [],
+  "keywords": ["sql", "psql", " 数据库客户端"],
   "children": [],
   "export": ["psql.json"]
 }
\ No newline at end of file
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/1.\350\241\250/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/1.\350\241\250/config.json"
index 42f84d153f1322586311896b1ebf41433a0d4ace..3a9bde7229c3cabc9b4ac8515ba7e4dd4641388e 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/1.\350\241\250/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/1.\350\241\250/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-806d3976e8764d4f8e26c197c53d45a8",
-  "keywords": [],
+  "keywords": ["表", "table"],
   "children": [],
   "export": [
     "table.json",
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/2.\345\207\275\346\225\260/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/2.\345\207\275\346\225\260/config.json"
index 46ce3b63ca02c426f78e8fe7a59d363bd4378d1e..ea86307423878abb92af62942076cc1b80466bdb 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/2.\345\207\275\346\225\260/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/2.\345\207\275\346\225\260/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-f371b91ef63a4ce08f80b92bc8580196",
-  "keywords": [],
+  "keywords": ["函数", "function"],
   "children": [],
   "export": ["function.json"]
 }
\ No newline at end of file
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/3.\347\224\250\346\210\267\345\222\214\346\235\203\351\231\220/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/3.\347\224\250\346\210\267\345\222\214\346\235\203\351\231\220/config.json"
index e4497eb76243cb59821f3fc44430b0ce9a1ac978..71fc0222f3f26a7b007485e80e36909c7666fcdc 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/3.\347\224\250\346\210\267\345\222\214\346\235\203\351\231\220/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/3.\347\224\250\346\210\267\345\222\214\346\235\203\351\231\220/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-cb942198b3a84d5398d73d558a241543",
-  "keywords": [],
+  "keywords": ["role", "login", "user", "用户", "角色", "权限", "privilege"],
   "children": [],
   "export": [
     "grant.json",
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/5. \350\247\246\345\217\221\345\231\250/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/5. \350\247\246\345\217\221\345\231\250/config.json"
index eb14148e6ff06fc205b6daec1c3e5e0ddda98ffd..b721e35cfc7702e09f5edd23f76daf87773b93e4 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/5. \350\247\246\345\217\221\345\231\250/config.json"	
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/5. \350\247\246\345\217\221\345\231\250/config.json"	
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-a0cb78d68d814f5e935b41922b88e085",
-  "keywords": [],
+  "keywords": ["trigger", "触发器"],
   "children": [],
   "export": ["trigger.json"]
 }
\ No newline at end of file
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/6.\346\225\260\346\215\256\345\272\223\346\211\251\345\261\225/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/6.\346\225\260\346\215\256\345\272\223\346\211\251\345\261\225/config.json"
index 24870547d11360580f1531445a0536467de1d995..fb9d9e325f740a96fd609edacecde0adc781d4fb 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/6.\346\225\260\346\215\256\345\272\223\346\211\251\345\261\225/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/1.PostgreSQL\346\225\260\346\215\256\345\272\223\347\232\204\345\237\272\346\234\254\347\273\223\346\236\204/6.\346\225\260\346\215\256\345\272\223\346\211\251\345\261\225/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-d2b6e840cfad44a2aa357cfee56d437d",
-  "keywords": [],
+  "keywords": ["数据库扩展", "数据库插件", "extension"],
   "children": [],
   "export": []
 }
\ No newline at end of file
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/1.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/1.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/config.json"
index c97338d7fc4aeaa61991643e72b8d8484484800b..7d7c5861d26c74d5aa385ac6fc74b3e860ebea83 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/1.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/1.\350\201\232\345\220\210\345\222\214\345\210\206\347\273\204/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-3a87b0dbead643e58f1ff1d93acd80cc",
-  "keywords": [],
+  "keywords": ["group by", "分组"],
   "children": [],
   "export": []
 }
\ No newline at end of file
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/2.\350\277\236\346\216\245\346\237\245\350\257\242/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/2.\350\277\236\346\216\245\346\237\245\350\257\242/config.json"
index 588d7c5e9adda450a4196736532563dfffb5c311..26d2258e02364b4fec81e91f82f5459755a52964 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/2.\350\277\236\346\216\245\346\237\245\350\257\242/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/2.\350\277\236\346\216\245\346\237\245\350\257\242/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-458d5d590ea64188847b45d8e6343f83",
-  "keywords": [],
+  "keywords": ["join", "连接查询"],
   "children": [],
   "export": []
 }
\ No newline at end of file
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/3.\345\255\220\346\237\245\350\257\242/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/3.\345\255\220\346\237\245\350\257\242/config.json"
index 959ec192407aa7bed5579d5c137d1b92ad62f1c4..36d21f9b28543c1bfe34890fda8ef1ad8273d699 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/3.\345\255\220\346\237\245\350\257\242/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/3.\345\255\220\346\237\245\350\257\242/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-55fd213f919d411c9b572241c4bb7807",
-  "keywords": [],
+  "keywords": ["子查询", "subquery"],
   "children": [],
   "export": [
     "subquery.json"
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/4.\345\210\206\351\241\265\346\237\245\350\257\242/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/4.\345\210\206\351\241\265\346\237\245\350\257\242/config.json"
index 42ce499f78ee2e8074f8869b7a4f02fcddb5981b..cabd5053f7b210e9f8c1960cd9a1fe86662a13ec 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/4.\345\210\206\351\241\265\346\237\245\350\257\242/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/4.\345\210\206\351\241\265\346\237\245\350\257\242/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-69d3a1c646004e1da497fed2af57806c",
-  "keywords": [],
+  "keywords": ["分页", "limit", "offset"],
   "children": [],
   "export": ["paged.json"]
 }
\ No newline at end of file
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/5.CTE/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/5.CTE/config.json"
index cd6241f420f7d55a7f1673676208da36f953d0ce..146c831e3d56a84a9dcf0d2765175fedc5f5f888 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/5.CTE/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/5.CTE/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-6beb084543204f4f9d87930c0a6c5707",
-  "keywords": [],
+  "keywords": ["common table expression", "cte", "recursive"],
   "children": [],
   "export": []
 }
\ No newline at end of file
diff --git "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/6.\350\277\207\347\250\213\345\214\226\347\274\226\347\250\213/config.json" "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/6.\350\277\207\347\250\213\345\214\226\347\274\226\347\250\213/config.json"
index 4158705eeb68bc8d607426b67357aa6e503ae6e1..9d34d6569d6dea0d9266cf31a9f6467b92941f33 100644
--- "a/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/6.\350\277\207\347\250\213\345\214\226\347\274\226\347\250\213/config.json"
+++ "b/data/2.PostgreSQL\344\270\255\351\230\266/2.\346\234\215\345\212\241\347\253\257\347\274\226\347\250\213/6.\350\277\207\347\250\213\345\214\226\347\274\226\347\250\213/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-eb4048b7dfd3469f8049330ba78427b5",
-  "keywords": [],
+  "keywords": ["plsql", "过程化"],
   "children": [],
   "export": ["loop.json"]
 }
\ No newline at end of file
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/1.standby/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/1.standby/config.json"
index 2ab941ee9865967257ce1859ef66d22e6642add8..f01b95aba1d214d90d31e0fbe45849479fa86afa 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/1.standby/config.json"
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/1.standby/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-58e924e93b564a24abb1e6b9cdfbc094",
-  "keywords": [],
+  "keywords": ["standby", "热备份", "高可用", "流复制"],
   "children": [],
   "export": [
     "standby.json",
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/2.\346\265\201\345\274\217\345\244\215\345\210\266\351\233\206\347\276\244/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/2.\346\265\201\345\274\217\345\244\215\345\210\266\351\233\206\347\276\244/config.json"
index 8409fd8b73f529a69995af1e34260194bde1b7cb..2878da85ae2e4b15bcf5937f236c1224a7392029 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/2.\346\265\201\345\274\217\345\244\215\345\210\266\351\233\206\347\276\244/config.json"
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/2.\346\265\201\345\274\217\345\244\215\345\210\266\351\233\206\347\276\244/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-7eff3dcf68644c23bd89f2a2abe4fac6",
-  "keywords": [],
+  "keywords": ["standby", "高可用", "流复制", "wal"],
   "children": [],
   "export": ["stream.json"]
 }
\ No newline at end of file
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/3.fdw/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/3.fdw/config.json"
index 721dc5475beecde3e97934bc82e626b0297f58a2..688ad40557c4e3884ef42ba6580d36330a9eb7fb 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/3.fdw/config.json"
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/1.\351\233\206\347\276\244\345\222\214\345\244\215\345\210\266/3.fdw/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-20a433f6ae65429f9b1a7f17c751ac01",
-  "keywords": [],
+  "keywords": ["外部数据连接", "fdw"],
   "children": [],
   "export": []
 }
\ No newline at end of file
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/2.JSON\345\222\214JSONB/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/2.JSON\345\222\214JSONB/config.json"
index ebadb10305bed44fa03b469644ba0986a85b4444..d74682a72743f78e6bc7c741a48005789609c0c1 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/2.JSON\345\222\214JSONB/config.json"
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/2.JSON\345\222\214JSONB/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-69ad784e39c044d7a115cfd124e49ef1",
-  "keywords": [],
+  "keywords": ["json", "jsonb"],
   "children": [],
   "export": [
     "json.json",
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/3.\345\207\275\346\225\260/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/3.\345\207\275\346\225\260/config.json"
index 10f37a252028facc2e3d6b87ea125e7e7a40ff7c..35896dd9c126b1685fc872584f662883c6cbac2e 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/3.\345\207\275\346\225\260/config.json"
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/3.\345\207\275\346\225\260/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-6dbbb44b41d347b58075a9155dfb8356",
-  "keywords": [],
+  "keywords": ["函数", "过程", "function", "produce"],
   "children": [],
   "export": ["distinct.json"]
 }
\ No newline at end of file
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/4.\350\247\206\345\233\276/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/4.\350\247\206\345\233\276/config.json"
index 81fdce1174d03322c72747d5ff19b2a2008461eb..dc8f8152b276d0e3d25e3d467b934ffc8ec23b71 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/4.\350\247\206\345\233\276/config.json"
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/2.\351\253\230\347\272\247\346\225\260\346\215\256\347\261\273\345\236\213/4.\350\247\206\345\233\276/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-532f8f84ea74493a9581e6bf720ebf78",
-  "keywords": [],
+  "keywords": ["视图", "view"],
   "children": [],
   "export": ["view.json"]
 }
\ No newline at end of file
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/1.\351\200\222\345\275\222\346\237\245\350\257\242/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/1.\351\200\222\345\275\222\346\237\245\350\257\242/config.json"
index 8ad994ffda2b8ed215d60c97c3f5582ebef53702..83ced6bd0ee11fa38f2e6ca64ec3fd5ba8111e0c 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/1.\351\200\222\345\275\222\346\237\245\350\257\242/config.json"
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/1.\351\200\222\345\275\222\346\237\245\350\257\242/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-2e691ed3a847424eb887b40aca750c4e",
-  "keywords": [],
+  "keywords": ["cte", "递归查询", "recursive"],
   "children": [],
   "export": [
     "continuous.json"
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/2.Window Function/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/2.Window Function/config.json"
index 75459d930a0008dc141a1252a5fb3577d0168fd6..0196a1b86aac1eae8bde6a1e47d8e4402545c5b2 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/2.Window Function/config.json"	
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/2.Window Function/config.json"	
@@ -1,5 +1,5 @@
 {
-  "keywords": [],
+  "keywords": ["函数", "function"],
   "children": [],
   "node_id": "pg-cab66a558cda467eabd9587b5a8257bd",
   "export": [
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/3.\351\200\217\350\247\206\350\241\250 /config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/3.\351\200\217\350\247\206\350\241\250 /config.json"
index 43c0829ca558c3b2a4eabb51ef5ab2fe2e86454b..acbeffe99eaab2d80af1469a23686c4a43b80412 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/3.\351\200\217\350\247\206\350\241\250 /config.json"	
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/3.\351\200\217\350\247\206\350\241\250 /config.json"	
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-693a81467f444886a199bac681f238b8",
-  "keywords": [],
+  "keywords": ["透视表", "交叉透视表", "pivot"],
   "children": [],
   "export": ["pivot.json"]
 }
\ No newline at end of file
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/4.\345\206\231\345\205\245\345\222\214\345\206\262\347\252\201/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/4.\345\206\231\345\205\245\345\222\214\345\206\262\347\252\201/config.json"
index 520ac1b170906f7de687a0f355c41e8f77eb2391..6cecb803fe46f7d3ab761cafb461c0246aa70cac 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/4.\345\206\231\345\205\245\345\222\214\345\206\262\347\252\201/config.json"
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/4.\345\206\231\345\205\245\345\222\214\345\206\262\347\252\201/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-6ce3520f7a67494a90378e7b194f8720",
-  "keywords": [],
+  "keywords": ["conflict", "冲突", "唯一约束"],
   "children": [],
   "export": ["score.json"]
 }
\ No newline at end of file
diff --git "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/5.\344\272\213\345\212\241/config.json" "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/5.\344\272\213\345\212\241/config.json"
index 387e0e361251c7c07eeb1458c77147385dbee5e0..5ae99ebf2538840d7e6fcc2b2568ec17dceb0102 100644
--- "a/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/5.\344\272\213\345\212\241/config.json"
+++ "b/data/3.PostgreSQL\351\253\230\351\230\266/3.SQL\351\253\230\347\272\247\346\212\200\345\267\247/5.\344\272\213\345\212\241/config.json"
@@ -1,6 +1,6 @@
 {
   "node_id": "pg-2d547e778fc4453b84feb0a0c6341348",
-  "keywords": [],
+  "keywords": ["事务", "transaction"],
   "children": [],
   "export": ["transaction.json"]
 }
\ No newline at end of file
diff --git a/data/tree.json b/data/tree.json
index 4a619826e5d2b8b07695b3abeb7098e79d44d29b..4d5fd99dad3b416c6d58cbbf9303171d38e35630 100644
--- a/data/tree.json
+++ b/data/tree.json
@@ -16,14 +16,24 @@
                   {
                     "关系型数据库": {
                       "node_id": "pg-11d131b2d01b40be90b23f096d4852cc",
-                      "keywords": [],
+                      "keywords": [
+                        "关系型数据库",
+                        "database",
+                        "relational",
+                        "rdbms"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "服务器和客户端": {
                       "node_id": "pg-cf0e5cb243a247e2a0b812c5798cdba4",
-                      "keywords": [],
+                      "keywords": [
+                        "server",
+                        "client",
+                        "数据库服务器",
+                        "数据库客户端"
+                      ],
                       "children": []
                     }
                   }
@@ -38,7 +48,10 @@
                   {
                     "安装PostgreSQL": {
                       "node_id": "pg-940afa6d71af44f689011ded8fd91a98",
-                      "keywords": [],
+                      "keywords": [
+                        "安装",
+                        "PostgreSQL"
+                      ],
                       "children": []
                     }
                   },
@@ -74,7 +87,11 @@
                   {
                     "psql": {
                       "node_id": "pg-ee5c6d4a073b45a7995ba351ab9de46e",
-                      "keywords": [],
+                      "keywords": [
+                        "sql",
+                        "psql",
+                        " 数据库客户端"
+                      ],
                       "children": []
                     }
                   },
@@ -119,42 +136,68 @@
                   {
                     "表": {
                       "node_id": "pg-806d3976e8764d4f8e26c197c53d45a8",
-                      "keywords": [],
+                      "keywords": [
+                        "表",
+                        "table"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "函数": {
                       "node_id": "pg-f371b91ef63a4ce08f80b92bc8580196",
-                      "keywords": [],
+                      "keywords": [
+                        "函数",
+                        "function"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "用户和权限": {
                       "node_id": "pg-cb942198b3a84d5398d73d558a241543",
-                      "keywords": [],
+                      "keywords": [
+                        "role",
+                        "login",
+                        "user",
+                        "用户",
+                        "角色",
+                        "权限",
+                        "privilege"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "索引和约束": {
                       "node_id": "pg-eeb777ca54434480a06bfe7fc5e7d3ca",
-                      "keywords": [],
+                      "keywords": [
+                        "索引",
+                        " 约束",
+                        "constraints",
+                        "index"
+                      ],
                       "children": []
                     }
                   },
                   {
                     " 触发器": {
                       "node_id": "pg-a0cb78d68d814f5e935b41922b88e085",
-                      "keywords": [],
+                      "keywords": [
+                        "trigger",
+                        "触发器"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "数据库扩展": {
                       "node_id": "pg-d2b6e840cfad44a2aa357cfee56d437d",
-                      "keywords": [],
+                      "keywords": [
+                        "数据库扩展",
+                        "数据库插件",
+                        "extension"
+                      ],
                       "children": []
                     }
                   }
@@ -169,42 +212,62 @@
                   {
                     "聚合和分组": {
                       "node_id": "pg-3a87b0dbead643e58f1ff1d93acd80cc",
-                      "keywords": [],
+                      "keywords": [
+                        "group by",
+                        "分组"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "连接查询": {
                       "node_id": "pg-458d5d590ea64188847b45d8e6343f83",
-                      "keywords": [],
+                      "keywords": [
+                        "join",
+                        "连接查询"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "子查询": {
                       "node_id": "pg-55fd213f919d411c9b572241c4bb7807",
-                      "keywords": [],
+                      "keywords": [
+                        "子查询",
+                        "subquery"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "分页查询": {
                       "node_id": "pg-69d3a1c646004e1da497fed2af57806c",
-                      "keywords": [],
+                      "keywords": [
+                        "分页",
+                        "limit",
+                        "offset"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "CTE": {
                       "node_id": "pg-6beb084543204f4f9d87930c0a6c5707",
-                      "keywords": [],
+                      "keywords": [
+                        "common table expression",
+                        "cte",
+                        "recursive"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "过程化编程": {
                       "node_id": "pg-eb4048b7dfd3469f8049330ba78427b5",
-                      "keywords": [],
+                      "keywords": [
+                        "plsql",
+                        "过程化"
+                      ],
                       "children": []
                     }
                   },
@@ -238,21 +301,34 @@
                   {
                     "standby": {
                       "node_id": "pg-58e924e93b564a24abb1e6b9cdfbc094",
-                      "keywords": [],
+                      "keywords": [
+                        "standby",
+                        "热备份",
+                        "高可用",
+                        "流复制"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "流式复制集群": {
                       "node_id": "pg-7eff3dcf68644c23bd89f2a2abe4fac6",
-                      "keywords": [],
+                      "keywords": [
+                        "standby",
+                        "高可用",
+                        "流复制",
+                        "wal"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "fdw": {
                       "node_id": "pg-20a433f6ae65429f9b1a7f17c751ac01",
-                      "keywords": [],
+                      "keywords": [
+                        "外部数据连接",
+                        "fdw"
+                      ],
                       "children": []
                     }
                   }
@@ -277,21 +353,32 @@
                   {
                     "JSON和JSONB": {
                       "node_id": "pg-69ad784e39c044d7a115cfd124e49ef1",
-                      "keywords": [],
+                      "keywords": [
+                        "json",
+                        "jsonb"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "函数": {
                       "node_id": "pg-6dbbb44b41d347b58075a9155dfb8356",
-                      "keywords": [],
+                      "keywords": [
+                        "函数",
+                        "过程",
+                        "function",
+                        "produce"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "视图": {
                       "node_id": "pg-532f8f84ea74493a9581e6bf720ebf78",
-                      "keywords": [],
+                      "keywords": [
+                        "视图",
+                        "view"
+                      ],
                       "children": []
                     }
                   }
@@ -306,42 +393,65 @@
                   {
                     "递归查询": {
                       "node_id": "pg-2e691ed3a847424eb887b40aca750c4e",
-                      "keywords": [],
+                      "keywords": [
+                        "cte",
+                        "递归查询",
+                        "recursive"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "Window Function": {
                       "node_id": "pg-cab66a558cda467eabd9587b5a8257bd",
-                      "keywords": [],
+                      "keywords": [
+                        "函数",
+                        "function"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "透视表 ": {
                       "node_id": "pg-693a81467f444886a199bac681f238b8",
-                      "keywords": [],
+                      "keywords": [
+                        "透视表",
+                        "交叉透视表",
+                        "pivot"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "写入和冲突": {
                       "node_id": "pg-6ce3520f7a67494a90378e7b194f8720",
-                      "keywords": [],
+                      "keywords": [
+                        "conflict",
+                        "冲突",
+                        "唯一约束"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "事务": {
                       "node_id": "pg-2d547e778fc4453b84feb0a0c6341348",
-                      "keywords": [],
+                      "keywords": [
+                        "事务",
+                        "transaction"
+                      ],
                       "children": []
                     }
                   },
                   {
                     "索引和优化": {
                       "node_id": "pg-79fe660f35f4469481db38509343c2b7",
-                      "keywords": [],
+                      "keywords": [
+                        "索引",
+                        "index",
+                        "performance",
+                        "优化"
+                      ],
                       "children": []
                     }
                   }
diff --git a/src/tree.py b/src/tree.py
index 692eff50aef8ea6a8dc683401930b5369f5ffef3..91d03cb86db125acd4578689f0f08ffd33fbccfc 100644
--- a/src/tree.py
+++ b/src/tree.py
@@ -101,6 +101,7 @@ class TreeWalker:
                     section_title = list(section_node.keys())[0]
                     full_path = os.path.join(chapter_path, f"{index + 1}.{section_title}")
                     if os.path.isdir(full_path):
+                        self.check_section_keywords(full_path)
                         self.ensure_exercises(full_path)
 
         tree_path = os.path.join(self.root, "tree.json")
@@ -309,3 +310,9 @@ class TreeWalker:
                 dump_json(full_name, exercise, True, True)
             else:
                 id_set.add(exercise["exercise_id"])
+
+    def check_section_keywords(self, full_path):
+        config = self.ensure_section_config(full_path)
+        if not config.get("keywords", []):
+            self.logger.error(f"节点 [{full_path}] 的关键字为空，请修改配置文件写入关键字")
+            sys.exit(1)