keywords override

data/1.PostgreSQL初阶/1.PostgreSQL基本概念/1.关系型数据库/config.json

 {
   "node_id": "pg-11d131b2d01b40be90b23f096d4852cc",
-  "keywords": [],
+  "keywords": ["关系型数据库", "database", "relational", "rdbms"],
   "children": [],
   "export": [
     "relation.json"

data/1.PostgreSQL初阶/1.PostgreSQL基本概念/2.服务器和客户端/config.json

 {
   "node_id": "pg-cf0e5cb243a247e2a0b812c5798cdba4",
-  "keywords": [],
+  "keywords": ["server", "client", "数据库服务器", "数据库客户端"],
   "children": [],
   "export": [
     "client.json",

data/1.PostgreSQL初阶/2.PostgreSQL的安装/1.安装PostgreSQL/config.json

 {
   "node_id": "pg-940afa6d71af44f689011ded8fd91a98",
-  "keywords": [],
+  "keywords": ["安装", "PostgreSQL"],
   "children": [],
   "export": ["install.json"]
 }
\ No newline at end of file

data/1.PostgreSQL初阶/3.查询数据/1.psql/config.json

 {
   "node_id": "pg-ee5c6d4a073b45a7995ba351ab9de46e",
-  "keywords": [],
+  "keywords": ["sql", "psql", " 数据库客户端"],
   "children": [],
   "export": ["psql.json"]
 }
\ No newline at end of file

data/2.PostgreSQL中阶/1.PostgreSQL数据库的基本结构/1.表/config.json

 {
   "node_id": "pg-806d3976e8764d4f8e26c197c53d45a8",
-  "keywords": [],
+  "keywords": ["表", "table"],
   "children": [],
   "export": [
     "table.json",

data/2.PostgreSQL中阶/1.PostgreSQL数据库的基本结构/2.函数/config.json

 {
   "node_id": "pg-f371b91ef63a4ce08f80b92bc8580196",
-  "keywords": [],
+  "keywords": ["函数", "function"],
   "children": [],
   "export": ["function.json"]
 }
\ No newline at end of file

data/2.PostgreSQL中阶/1.PostgreSQL数据库的基本结构/3.用户和权限/config.json

 {
   "node_id": "pg-cb942198b3a84d5398d73d558a241543",
-  "keywords": [],
+  "keywords": ["role", "login", "user", "用户", "角色", "权限", "privilege"],
   "children": [],
   "export": [
     "grant.json",

data/2.PostgreSQL中阶/1.PostgreSQL数据库的基本结构/5. 触发器/config.json

 {
   "node_id": "pg-a0cb78d68d814f5e935b41922b88e085",
-  "keywords": [],
+  "keywords": ["trigger", "触发器"],
   "children": [],
   "export": ["trigger.json"]
 }
\ No newline at end of file

data/2.PostgreSQL中阶/1.PostgreSQL数据库的基本结构/6.数据库扩展/config.json

 {
   "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

data/2.PostgreSQL中阶/2.服务端编程/1.聚合和分组/config.json

 {
   "node_id": "pg-3a87b0dbead643e58f1ff1d93acd80cc",
-  "keywords": [],
+  "keywords": ["group by", "分组"],
   "children": [],
   "export": []
 }
\ No newline at end of file

data/2.PostgreSQL中阶/2.服务端编程/2.连接查询/config.json

 {
   "node_id": "pg-458d5d590ea64188847b45d8e6343f83",
-  "keywords": [],
+  "keywords": ["join", "连接查询"],
   "children": [],
   "export": []
 }
\ No newline at end of file

data/2.PostgreSQL中阶/2.服务端编程/3.子查询/config.json

 {
   "node_id": "pg-55fd213f919d411c9b572241c4bb7807",
-  "keywords": [],
+  "keywords": ["子查询", "subquery"],
   "children": [],
   "export": [
     "subquery.json"

data/2.PostgreSQL中阶/2.服务端编程/4.分页查询/config.json

 {
   "node_id": "pg-69d3a1c646004e1da497fed2af57806c",
-  "keywords": [],
+  "keywords": ["分页", "limit", "offset"],
   "children": [],
   "export": ["paged.json"]
 }
\ No newline at end of file

data/2.PostgreSQL中阶/2.服务端编程/5.CTE/config.json

 {
   "node_id": "pg-6beb084543204f4f9d87930c0a6c5707",
-  "keywords": [],
+  "keywords": ["common table expression", "cte", "recursive"],
   "children": [],
   "export": []
 }
\ No newline at end of file

data/2.PostgreSQL中阶/2.服务端编程/6.过程化编程/config.json

 {
   "node_id": "pg-eb4048b7dfd3469f8049330ba78427b5",
-  "keywords": [],
+  "keywords": ["plsql", "过程化"],
   "children": [],
   "export": ["loop.json"]
 }
\ No newline at end of file

data/3.PostgreSQL高阶/1.集群和复制/1.standby/config.json

 {
   "node_id": "pg-58e924e93b564a24abb1e6b9cdfbc094",
-  "keywords": [],
+  "keywords": ["standby", "热备份", "高可用", "流复制"],
   "children": [],
   "export": [
     "standby.json",

data/3.PostgreSQL高阶/1.集群和复制/2.流式复制集群/config.json

 {
   "node_id": "pg-7eff3dcf68644c23bd89f2a2abe4fac6",
-  "keywords": [],
+  "keywords": ["standby", "高可用", "流复制", "wal"],
   "children": [],
   "export": ["stream.json"]
 }
\ No newline at end of file

data/3.PostgreSQL高阶/1.集群和复制/3.fdw/config.json

 {
   "node_id": "pg-20a433f6ae65429f9b1a7f17c751ac01",
-  "keywords": [],
+  "keywords": ["外部数据连接", "fdw"],
   "children": [],
   "export": []
 }
\ No newline at end of file

data/3.PostgreSQL高阶/2.高级数据类型/2.JSON和JSONB/config.json

 {
   "node_id": "pg-69ad784e39c044d7a115cfd124e49ef1",
-  "keywords": [],
+  "keywords": ["json", "jsonb"],
   "children": [],
   "export": [
     "json.json",

data/3.PostgreSQL高阶/2.高级数据类型/3.函数/config.json

 {
   "node_id": "pg-6dbbb44b41d347b58075a9155dfb8356",
-  "keywords": [],
+  "keywords": ["函数", "过程", "function", "produce"],
   "children": [],
   "export": ["distinct.json"]
 }
\ No newline at end of file

data/3.PostgreSQL高阶/2.高级数据类型/4.视图/config.json

 {
   "node_id": "pg-532f8f84ea74493a9581e6bf720ebf78",
-  "keywords": [],
+  "keywords": ["视图", "view"],
   "children": [],
   "export": ["view.json"]
 }
\ No newline at end of file

data/3.PostgreSQL高阶/3.SQL高级技巧/1.递归查询/config.json

 {
   "node_id": "pg-2e691ed3a847424eb887b40aca750c4e",
-  "keywords": [],
+  "keywords": ["cte", "递归查询", "recursive"],
   "children": [],
   "export": [
     "continuous.json"

data/3.PostgreSQL高阶/3.SQL高级技巧/2.Window Function/config.json

 {
-  "keywords": [],
+  "keywords": ["函数", "function"],
   "children": [],
   "node_id": "pg-cab66a558cda467eabd9587b5a8257bd",
   "export": [

data/3.PostgreSQL高阶/3.SQL高级技巧/3.透视表 /config.json

 {
   "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

data/3.PostgreSQL高阶/3.SQL高级技巧/4.写入和冲突/config.json

 {
   "node_id": "pg-6ce3520f7a67494a90378e7b194f8720",
-  "keywords": [],
+  "keywords": ["conflict", "冲突", "唯一约束"],
   "children": [],
   "export": ["score.json"]
 }
\ No newline at end of file

data/3.PostgreSQL高阶/3.SQL高级技巧/5.事务/config.json

 {
   "node_id": "pg-2d547e778fc4453b84feb0a0c6341348",
-  "keywords": [],
+  "keywords": ["事务", "transaction"],
   "children": [],
   "export": ["transaction.json"]
 }
\ No newline at end of file

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": []
                     }
                   }

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)