diff --git "a/data/2.MySQL\344\270\255\351\230\266/11.\347\224\250\346\210\267\345\222\214\346\235\203\351\231\220/1.\345\210\233\345\273\272\346\231\256\351\200\232\347\224\250\346\210\267/create_user_desc.json" "b/data/2.MySQL\344\270\255\351\230\266/11.\347\224\250\346\210\267\345\222\214\346\235\203\351\231\220/1.\345\210\233\345\273\272\346\231\256\351\200\232\347\224\250\346\210\267/create_user_desc.json"
index 8ce788ee9f068a8f329e08adbc0c3a38d8fc0e8a..c749d5a10e94d96400c2cbff8416ea4492d4d62f 100644
--- "a/data/2.MySQL\344\270\255\351\230\266/11.\347\224\250\346\210\267\345\222\214\346\235\203\351\231\220/1.\345\210\233\345\273\272\346\231\256\351\200\232\347\224\250\346\210\267/create_user_desc.json"
+++ "b/data/2.MySQL\344\270\255\351\230\266/11.\347\224\250\346\210\267\345\222\214\346\235\203\351\231\220/1.\345\210\233\345\273\272\346\231\256\351\200\232\347\224\250\346\210\267/create_user_desc.json"
@@ -3,5 +3,5 @@
   "author": "zxm2015",
   "source": "create_user_desc.md",
   "notebook_enable": false,
-  "exercise_id": ""
+  "exercise_id": "71ff84875921400a885e1de726f89065"
 }
\ No newline at end of file
diff --git "a/data/2.MySQL\344\270\255\351\230\266/6.\350\277\236\346\216\245\346\237\245\350\257\242/1.INNER JOIN/inner_join_desc.json" "b/data/2.MySQL\344\270\255\351\230\266/6.\350\277\236\346\216\245\346\237\245\350\257\242/1.INNER JOIN/inner_join_desc.json"
index 9aa9ac5ebebe001d3dd08a8a62ef5045abb7ebc5..48ff6d0a23de9f609be61a1b21587cdd575fb854 100644
--- "a/data/2.MySQL\344\270\255\351\230\266/6.\350\277\236\346\216\245\346\237\245\350\257\242/1.INNER JOIN/inner_join_desc.json"	
+++ "b/data/2.MySQL\344\270\255\351\230\266/6.\350\277\236\346\216\245\346\237\245\350\257\242/1.INNER JOIN/inner_join_desc.json"	
@@ -1,7 +1,7 @@
 {
-    "type": "code_options",
-    "author": "zxm2015",
-    "source": "inner_join_desc.md",
-    "notebook_enable": false,
-    "exercise_id": ""
-  }
\ No newline at end of file
+  "type": "code_options",
+  "author": "zxm2015",
+  "source": "inner_join_desc.md",
+  "notebook_enable": false,
+  "exercise_id": ""
+}
\ No newline at end of file
diff --git "a/data/3.MySQL\351\253\230\351\230\266/3.\350\277\207\347\250\213\345\214\226\347\274\226\347\250\213/5. \346\270\270\346\240\207/cursor_desc.json" "b/data/3.MySQL\351\253\230\351\230\266/3.\350\277\207\347\250\213\345\214\226\347\274\226\347\250\213/5. \346\270\270\346\240\207/cursor_desc.json"
index f074148a0dbb085fb668922e05f8387f5b02f8a9..06339f8bd78f12f8f2fe769efd9daca81e2fbc3e 100644
--- "a/data/3.MySQL\351\253\230\351\230\266/3.\350\277\207\347\250\213\345\214\226\347\274\226\347\250\213/5. \346\270\270\346\240\207/cursor_desc.json"	
+++ "b/data/3.MySQL\351\253\230\351\230\266/3.\350\277\207\347\250\213\345\214\226\347\274\226\347\250\213/5. \346\270\270\346\240\207/cursor_desc.json"	
@@ -1,7 +1,7 @@
 {
-    "type": "code_options",
-    "author": "zxm2015",
-    "source": "cursor_desc.md",
-    "notebook_enable": false,
-    "exercise_id": ""
-  }
\ No newline at end of file
+  "type": "code_options",
+  "author": "zxm2015",
+  "source": "cursor_desc.md",
+  "notebook_enable": false,
+  "exercise_id": "ddf96f36e6b44bf8a9eb928241a61dfd"
+}
\ No newline at end of file