uniform project structure

data/1.OceanBase初阶/1.快速入门/1.安装OBD/config.json

 {
-  "keywords": [],
+  "keywords": ["OBD", "oceanbase", "install"],
   "node_id": "oceanbase-a4dcb513a49a454a8989ada618656b76",
   "title": "安装OBD",
   "keywords_must": [],

data/1.OceanBase初阶/1.快速入门/2.使用OBD部署/config.json

 {
-  "keywords": [],
+  "keywords": ["OBD", "oceanbase", "install", "deploy"],
   "node_id": "oceanbase-74cfd90d3682429d941fd1f191031a83",
   "title": "使用OBD部署",
   "keywords_must": [],

data/1.OceanBase初阶/1.快速入门/3.问题排查/config.json

 {
-  "keywords": [],
+  "keywords": ["OBD", "oceanbase", "issue"],
   "node_id": "oceanbase-5fb13210a35442f5af6d28a8528d11fe",
   "title": "问题排查",
   "keywords_must": [],

data/1.OceanBase初阶/1.快速入门/4.使用OBD/config.json

 {
-  "keywords": [],
+  "keywords": ["OBD", "oceanbase", "usage"],
   "node_id": "oceanbase-1a1ae343bdb44ffbbbbed6eea0ca2d9f",
   "title": "使用OBD",
   "keywords_must": [],

data/1.OceanBase初阶/2.基本操作/1.数据库操作/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "connect"],
   "node_id": "oceanbase-c094797ecb1d4c38bb5616eed43f6093",
   "title": "数据库操作",
   "keywords_must": [],

data/1.OceanBase初阶/2.基本操作/2.表操作/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "table"],
   "node_id": "oceanbase-30b33e26049a48b2a58fbff04d5073e5",
   "title": "表操作",
   "keywords_must": [],

data/1.OceanBase初阶/2.基本操作/3.索引操作/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "index"],
   "node_id": "oceanbase-c11e9d6055704246b8497babb4045475",
   "title": "索引操作",
   "keywords_must": [],

data/1.OceanBase初阶/2.基本操作/4.插入数据/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "insert"],
   "node_id": "oceanbase-340a1c83d1bd4e1aaac955f4df7b9e95",
   "title": "插入数据",
   "keywords_must": [],

data/1.OceanBase初阶/2.基本操作/5.删除数据/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "delete"],
   "node_id": "oceanbase-8acf63bf25ba47d9b54f01ff86962dd8",
   "title": "删除数据",
   "keywords_must": [],

data/1.OceanBase初阶/2.基本操作/6.更新数据/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "update"],
   "node_id": "oceanbase-ba5a1ffe0c1741dea72d907e2c5ca6a4",
   "title": "更新数据",
   "keywords_must": [],

data/1.OceanBase初阶/2.基本操作/7.查询数据/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "query", "select"],
   "node_id": "oceanbase-6f727423ee414b85b6ed90bebcdd88b8",
   "title": "查询数据",
   "export": [

data/1.OceanBase初阶/2.基本操作/8.提交事务/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "commit"],
   "node_id": "oceanbase-af5799dc0b634263b326e0a6fe362dc0",
   "title": "提交事务",
   "keywords_must": [],

data/1.OceanBase初阶/2.基本操作/9.回滚事务/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "rollback"],
   "node_id": "oceanbase-8a60e56da9254c80916aea336c80bafb",
   "title": "回滚事务",
   "keywords_must": [],

data/1.OceanBase初阶/3.整体概览/1.整体架构/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "architecture"],
   "node_id": "oceanbase-821f7a2277d34126a9faf5c4a67e361a",
   "title": "整体架构",
   "keywords_must": [],

data/1.OceanBase初阶/3.整体概览/2.数据分布/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "distribution"],
   "node_id": "oceanbase-919562e4a81c4987bf99169fbd1c9950",
   "title": "数据分布",
   "keywords_must": [],

data/1.OceanBase初阶/3.整体概览/3.数据模型/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "model"],
   "node_id": "oceanbase-e15c5dbfda3f4d309520c6eb006107e5",
   "title": "数据模型",
   "keywords_must": [],

data/1.OceanBase初阶/3.整体概览/4.高可用/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "ha"],
   "node_id": "oceanbase-360ee2fa5b8c4deab45c13a82cae4191",
   "title": "高可用",
   "keywords_must": [],

data/1.OceanBase初阶/3.整体概览/5.事务管理/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "transaction"],
   "node_id": "oceanbase-3d93b937f63f4d1a9fa6c6de5f232b9f",
   "title": "事务管理",
   "keywords_must": [],

data/1.OceanBase初阶/3.整体概览/6.存储架构/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "storage"],
   "node_id": "oceanbase-12b2a187d8734b03a9bc821fd5bd97c0",
   "title": "存储架构",
   "keywords_must": [],

data/1.OceanBase初阶/3.整体概览/7.SQL引擎/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "sql", "engine"],
   "node_id": "oceanbase-b66b81b9d7fc40ae86f794e663c17ffd",
   "title": "SQL引擎",
   "keywords_must": [],

data/1.OceanBase初阶/3.整体概览/8.备份与恢复/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "backup", "restore"],
   "node_id": "oceanbase-7073e77cdd9e45aab980b4c78c2ba718",
   "title": "备份与恢复",
   "keywords_must": [],

data/2.OceanBase中阶/1.管理员指南/1.数据库基础组件/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "component"],
   "node_id": "oceanbase-7b125f6585034b4cb85aa6d8d97473dd",
   "title": "数据库基础组件",
   "keywords_must": [],

data/2.OceanBase中阶/1.管理员指南/2.数据库管理工具/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "management"],
   "node_id": "oceanbase-d1aea4163cac432593b2193669e2cf65",
   "title": "数据库管理工具",
   "keywords_must": [],

data/2.OceanBase中阶/1.管理员指南/3.数据库基础管理/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "management"],
   "node_id": "oceanbase-0a9994e92ac04c489190ea514b244132",
   "title": "数据库基础管理",
   "keywords_must": [],

data/2.OceanBase中阶/1.管理员指南/4.数据库对象管理/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "object"],
   "node_id": "oceanbase-7e02baf5d5a44bb99b1f67153622a174",
   "title": "数据库对象管理",
   "keywords_must": [],

data/2.OceanBase中阶/1.管理员指南/5.数据库分布和链路管理/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "distribution", "chain"],
   "node_id": "oceanbase-deedd2e3249f4c259db2fe95034e6a04",
   "title": "数据库分布和链路管理",
   "keywords_must": [],

data/2.OceanBase中阶/1.管理员指南/6.事务管理/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "transaction"],
   "node_id": "oceanbase-bf96cad4634b4935926f4fdd057c8b10",
   "title": "事务管理",
   "keywords_must": [],

data/2.OceanBase中阶/1.管理员指南/7.用户权限管理/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "user", "permission"],
   "node_id": "oceanbase-fe4799db20154acdb90be29dca4b7625",
   "title": "用户权限管理",
   "keywords_must": [],

data/2.OceanBase中阶/1.管理员指南/8.数据高可用/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "ha"],
   "node_id": "oceanbase-343f3156dc704fa285dd4d25fc4b4e6a",
   "title": "数据高可用",
   "keywords_must": [],

data/2.OceanBase中阶/10.事务保存点/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "savepoint"],
   "node_id": "oceanbase-15dec616c0c14cdda056b3bacc20704f",
   "title": "事务保存点",
   "keywords_must": [],

data/2.OceanBase中阶/11.事务超时/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "transaction", "timeout"],
   "node_id": "oceanbase-9e903dac84eb406d9bab6d66ce1a393e",
   "title": "事务超时",
   "keywords_must": [],

data/2.OceanBase中阶/12.创建和管理表/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "table"],
   "node_id": "oceanbase-b1d157ec8b47413a8d6e3e2f08c87c19",
   "title": "创建和管理表",
   "keywords_must": [],

data/2.OceanBase中阶/13.创建和管理分区表/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "table", "partition"],
   "node_id": "oceanbase-2cf15c8bbdca4f5a9b8bf760e83dc4cb",
   "title": "创建和管理分区表",
   "keywords_must": [],

data/2.OceanBase中阶/14.创建和管理表组/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "partition", "table", "group"],
   "node_id": "oceanbase-e927b436adc242fe8c2c46b60cccaf77",
   "title": "创建和管理表组",
   "keywords_must": [],

data/2.OceanBase中阶/15.创建和管理视图/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "view"],
   "node_id": "oceanbase-66b5429f4acd4e5489a1ae637fbcdc5a",
   "title": "创建和管理视图",
   "keywords_must": [],

data/2.OceanBase中阶/16.迁移和同步/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "migration", "synchronization"],
   "node_id": "oceanbase-cb33c74506814a19b63a388042135240",
   "title": "迁移和同步",
   "keywords_must": [],

data/2.OceanBase中阶/2.开发者指南/1.数据库集群/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "distribution"],
   "node_id": "oceanbase-9495432660874f2a9bedef0baa185f85",
   "title": "数据库集群",
   "keywords_must": [],

data/2.OceanBase中阶/2.开发者指南/2.OceanBase租户/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "user", "client"],
   "node_id": "oceanbase-4e435f265b5a40e981d26ce8ed35c5ac",
   "title": "OceanBase租户",
   "keywords_must": [],

data/2.OceanBase中阶/2.开发者指南/3.MySQL租户/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "mysql", "user", "client"],
   "node_id": "oceanbase-c55ea8a25e804f498e6f66fc6997a127",
   "title": "MySQL租户",
   "keywords_must": [],

data/2.OceanBase中阶/2.开发者指南/4.MySQL客户端/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "mysql", "client"],
   "node_id": "oceanbase-fe208ea803654952a03d2d596643e349",
   "title": "MySQL客户端",
   "keywords_must": [],

data/2.OceanBase中阶/2.开发者指南/5.OceanBase客户端/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "client"],
   "node_id": "oceanbase-5b6c0bf62d7e41b080199e432ddf754d",
   "title": "OceanBase客户端",
   "keywords_must": [],

data/2.OceanBase中阶/2.开发者指南/6.结构化查询语言/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "sql"],
   "node_id": "oceanbase-f7075b3752624443bb420484aadcdbfc",
   "title": "结构化查询语言",
   "keywords_must": [],

data/2.OceanBase中阶/2.开发者指南/7.Java连接驱动/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "jdbc"],
   "node_id": "oceanbase-12ab34d11b514461882cfde60f6cb9de",
   "title": "Java连接驱动",
   "keywords_must": [],

data/2.OceanBase中阶/2.开发者指南/8.实例数据库/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "instance"],
   "node_id": "oceanbase-85e6be91d75a4ae59cf655e7c139a30e",
   "title": "实例数据库",
   "keywords_must": [],

data/2.OceanBase中阶/3.表查询/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "query"],
   "node_id": "oceanbase-641f612acf59456187b9573a4398e20b",
   "title": "表查询",
   "export": [],

data/2.OceanBase中阶/4.INSERT/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "insert"],
   "node_id": "oceanbase-4d176da86e544f98acdb7b473d14902a",
   "title": "INSERT",
   "notebook_enable": false,

data/2.OceanBase中阶/5.UPDATE/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "update"],
   "node_id": "oceanbase-331c385ebc2448198f48564851555c06",
   "title": "UPDATE",
   "notebook_enable": false,

data/2.OceanBase中阶/6.DELETE/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "delete"],
   "node_id": "oceanbase-704cfa03b69449b4bed5dc753bf5b7e7",
   "title": "DELETE",
   "export": "delete.json",

data/2.OceanBase中阶/7.REPLACE/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "replace"],
   "node_id": "oceanbase-2884a0055c714346ba751c2f653e8445",
   "title": "REPLACE",
   "export": [

data/2.OceanBase中阶/8.提交事务/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "commit"],
   "node_id": "oceanbase-8526e5c5374b4081b9a5c698b9748856",
   "title": "提交事务",
   "export": "transaction.json",

data/2.OceanBase中阶/9.回滚事务/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "rollback"],
   "node_id": "oceanbase-173dda0ef67d4d178b9454191b8a2c7e",
   "title": "回滚事务",
   "export": [

data/3.OceanBase高阶/1.生态工具/1.ob-admin/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "ob-admin"],
   "node_id": "oceanbase-de82fa8c1eb6488da71a615b240ef789",
   "title": "ob-admin",
   "keywords_must": [],

data/3.OceanBase高阶/1.生态工具/2.ob-agent/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "ob-agent"],
   "node_id": "oceanbase-4654169e532043da82cbae4aa61b9161",
   "title": "ob-agent",
   "keywords_must": [],

data/3.OceanBase高阶/1.生态工具/3.liboblog/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "liboblog"],
   "node_id": "oceanbase-c02525c0223446559932f8fd43b1e3b0",
   "title": "liboblog",
   "keywords_must": [],

data/3.OceanBase高阶/1.生态工具/4.oblogproxy/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "oblogproxy"],
   "node_id": "oceanbase-f410d4fcf3174c98b3319ad608a74067",
   "title": "oblogproxy",
   "keywords_must": [],

data/3.OceanBase高阶/1.生态工具/5.oblogmsg/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "oblogmsg"],
   "node_id": "oceanbase-13e640bb032e41d9b1f6ea6fa1e097d9",
   "title": "oblogmsg",
   "keywords_must": [],

data/3.OceanBase高阶/2.最佳实践/1.通用系统参数配置/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "default", "system", "configuration"],
   "node_id": "oceanbase-4224317fe01d462595961559747d96a8",
   "title": "通用系统参数配置",
   "keywords_must": [],

data/3.OceanBase高阶/2.最佳实践/2.默认生产参数配置/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "production", "system", "configuration"],
   "node_id": "oceanbase-de31577707b84d1dbcaebbb1d023050f",
   "title": "默认生产参数配置",
   "keywords_must": [],

data/3.OceanBase高阶/2.最佳实践/3.最小资源参数配置/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "minimum", "system", "configuration"],
   "node_id": "oceanbase-b2607ecae73d46179129e91337ff7669",
   "title": "最小资源参数配置",
   "keywords_must": [],

data/3.OceanBase高阶/2.最佳实践/4.最佳性能参数配置/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "performance", "system", "configuration"],
   "node_id": "oceanbase-1ffdadf84062428ebb2c336a74a3f3f1",
   "title": "最佳性能参数配置",
   "keywords_must": [],

data/3.OceanBase高阶/3.编程和查询/1.子查询/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "subquery"],
   "node_id": "oceanbase-932a909fd2c94d8e9a57caa0e0510d1d",
   "title": "子查询",
   "keywords_must": [],

data/3.OceanBase高阶/3.编程和查询/2.连接查询/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "join"],
   "node_id": "oceanbase-d28015752f834bffacc6dfb9ab64b8c2",
   "title": "连接查询",
   "export": [

data/3.OceanBase高阶/3.编程和查询/3.数据分析/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "olap"],
   "node_id": "oceanbase-4977bf7616784bfbac4bf88c8a064375",
   "title": "数据分析",
   "export": [

data/3.OceanBase高阶/3.编程和查询/4.函数/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "function"],
   "node_id": "oceanbase-5c2cb3c282b7494bbf4b5f7e1fcb7457",
   "title": "函数",
   "keywords_must": [],

data/3.OceanBase高阶/3.编程和查询/5.SQL请求执行顺序/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "query", "workflow"],
   "node_id": "oceanbase-9d1b0edd283647ec8e3d40b45731a6d7",
   "title": "SQL请求执行顺序",
   "keywords_must": [],

data/3.OceanBase高阶/3.编程和查询/6.SQL执行计划/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "query", "plain"],
   "node_id": "oceanbase-ac2ddb04b0d441b48fd8975fbc956d42",
   "title": "SQL执行计划",
   "keywords_must": [],

data/3.OceanBase高阶/3.编程和查询/7.分布式执行计划/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "plain", "distribution"],
   "node_id": "oceanbase-ccf31646a84d4f5d82d0d9be7c7d41a8",
   "title": "分布式执行计划",
   "keywords_must": [],

data/3.OceanBase高阶/3.编程和查询/8.优化/config.json

 {
-  "keywords": [],
+  "keywords": ["oceanbase", "performance", "query"],
   "node_id": "oceanbase-55cb4815cdde4e278e632ad15eaa8ea6",
   "title": "优化",
   "keywords_must": [],

data/tree.json

@@ -16,7 +16,11 @@
                   {
                     "安装OBD": {
                       "node_id": "oceanbase-a4dcb513a49a454a8989ada618656b76",
-                      "keywords": [],
+                      "keywords": [
+                        "OBD",
+                        "oceanbase",
+                        "install"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -25,7 +29,12 @@
                   {
                     "使用OBD部署": {
                       "node_id": "oceanbase-74cfd90d3682429d941fd1f191031a83",
-                      "keywords": [],
+                      "keywords": [
+                        "OBD",
+                        "oceanbase",
+                        "install",
+                        "deploy"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -34,7 +43,11 @@
                   {
                     "问题排查": {
                       "node_id": "oceanbase-5fb13210a35442f5af6d28a8528d11fe",
-                      "keywords": [],
+                      "keywords": [
+                        "OBD",
+                        "oceanbase",
+                        "issue"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -43,7 +56,11 @@
                   {
                     "使用OBD": {
                       "node_id": "oceanbase-1a1ae343bdb44ffbbbbed6eea0ca2d9f",
-                      "keywords": [],
+                      "keywords": [
+                        "OBD",
+                        "oceanbase",
+                        "usage"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -62,7 +79,10 @@
                   {
                     "数据库操作": {
                       "node_id": "oceanbase-c094797ecb1d4c38bb5616eed43f6093",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "connect"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -71,7 +91,10 @@
                   {
                     "表操作": {
                       "node_id": "oceanbase-30b33e26049a48b2a58fbff04d5073e5",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "table"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -80,7 +103,10 @@
                   {
                     "索引操作": {
                       "node_id": "oceanbase-c11e9d6055704246b8497babb4045475",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "index"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -89,7 +115,10 @@
                   {
                     "插入数据": {
                       "node_id": "oceanbase-340a1c83d1bd4e1aaac955f4df7b9e95",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "insert"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -98,7 +127,10 @@
                   {
                     "删除数据": {
                       "node_id": "oceanbase-8acf63bf25ba47d9b54f01ff86962dd8",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "delete"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -107,7 +139,10 @@
                   {
                     "更新数据": {
                       "node_id": "oceanbase-ba5a1ffe0c1741dea72d907e2c5ca6a4",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "update"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -116,7 +151,11 @@
                   {
                     "查询数据": {
                       "node_id": "oceanbase-6f727423ee414b85b6ed90bebcdd88b8",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "query",
+                        "select"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -125,7 +164,10 @@
                   {
                     "提交事务": {
                       "node_id": "oceanbase-af5799dc0b634263b326e0a6fe362dc0",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "commit"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -134,7 +176,10 @@
                   {
                     "回滚事务": {
                       "node_id": "oceanbase-8a60e56da9254c80916aea336c80bafb",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "rollback"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -153,7 +198,10 @@
                   {
                     "整体架构": {
                       "node_id": "oceanbase-821f7a2277d34126a9faf5c4a67e361a",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "architecture"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -162,7 +210,10 @@
                   {
                     "数据分布": {
                       "node_id": "oceanbase-919562e4a81c4987bf99169fbd1c9950",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "distribution"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -171,7 +222,10 @@
                   {
                     "数据模型": {
                       "node_id": "oceanbase-e15c5dbfda3f4d309520c6eb006107e5",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "model"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -180,7 +234,10 @@
                   {
                     "高可用": {
                       "node_id": "oceanbase-360ee2fa5b8c4deab45c13a82cae4191",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "ha"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -189,7 +246,10 @@
                   {
                     "事务管理": {
                       "node_id": "oceanbase-3d93b937f63f4d1a9fa6c6de5f232b9f",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "transaction"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -198,7 +258,10 @@
                   {
                     "存储架构": {
                       "node_id": "oceanbase-12b2a187d8734b03a9bc821fd5bd97c0",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "storage"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -207,7 +270,11 @@
                   {
                     "SQL引擎": {
                       "node_id": "oceanbase-b66b81b9d7fc40ae86f794e663c17ffd",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "sql",
+                        "engine"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -216,7 +283,11 @@
                   {
                     "备份与恢复": {
                       "node_id": "oceanbase-7073e77cdd9e45aab980b4c78c2ba718",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "backup",
+                        "restore"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -245,7 +316,10 @@
                   {
                     "数据库基础组件": {
                       "node_id": "oceanbase-7b125f6585034b4cb85aa6d8d97473dd",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "component"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -254,7 +328,10 @@
                   {
                     "数据库管理工具": {
                       "node_id": "oceanbase-d1aea4163cac432593b2193669e2cf65",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "management"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -263,7 +340,10 @@
                   {
                     "数据库基础管理": {
                       "node_id": "oceanbase-0a9994e92ac04c489190ea514b244132",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "management"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -272,7 +352,10 @@
                   {
                     "数据库对象管理": {
                       "node_id": "oceanbase-7e02baf5d5a44bb99b1f67153622a174",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "object"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -281,7 +364,11 @@
                   {
                     "数据库分布和链路管理": {
                       "node_id": "oceanbase-deedd2e3249f4c259db2fe95034e6a04",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "distribution",
+                        "chain"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -290,7 +377,10 @@
                   {
                     "事务管理": {
                       "node_id": "oceanbase-bf96cad4634b4935926f4fdd057c8b10",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "transaction"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -299,7 +389,11 @@
                   {
                     "用户权限管理": {
                       "node_id": "oceanbase-fe4799db20154acdb90be29dca4b7625",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "user",
+                        "permission"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -308,7 +402,10 @@
                   {
                     "数据高可用": {
                       "node_id": "oceanbase-343f3156dc704fa285dd4d25fc4b4e6a",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "ha"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -327,7 +424,10 @@
                   {
                     "数据库集群": {
                       "node_id": "oceanbase-9495432660874f2a9bedef0baa185f85",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "distribution"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -336,7 +436,11 @@
                   {
                     "OceanBase租户": {
                       "node_id": "oceanbase-4e435f265b5a40e981d26ce8ed35c5ac",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "user",
+                        "client"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -345,7 +449,12 @@
                   {
                     "MySQL租户": {
                       "node_id": "oceanbase-c55ea8a25e804f498e6f66fc6997a127",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "mysql",
+                        "user",
+                        "client"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -354,7 +463,11 @@
                   {
                     "MySQL客户端": {
                       "node_id": "oceanbase-fe208ea803654952a03d2d596643e349",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "mysql",
+                        "client"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -363,7 +476,10 @@
                   {
                     "OceanBase客户端": {
                       "node_id": "oceanbase-5b6c0bf62d7e41b080199e432ddf754d",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "client"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -372,7 +488,10 @@
                   {
                     "结构化查询语言": {
                       "node_id": "oceanbase-f7075b3752624443bb420484aadcdbfc",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "sql"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -381,7 +500,10 @@
                   {
                     "Java连接驱动": {
                       "node_id": "oceanbase-12ab34d11b514461882cfde60f6cb9de",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "jdbc"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -390,7 +512,10 @@
                   {
                     "实例数据库": {
                       "node_id": "oceanbase-85e6be91d75a4ae59cf655e7c139a30e",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "instance"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -404,7 +529,10 @@
             {
               "表查询": {
                 "node_id": "oceanbase-641f612acf59456187b9573a4398e20b",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "query"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -413,7 +541,10 @@
             {
               "INSERT": {
                 "node_id": "oceanbase-4d176da86e544f98acdb7b473d14902a",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "insert"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -422,7 +553,10 @@
             {
               "UPDATE": {
                 "node_id": "oceanbase-331c385ebc2448198f48564851555c06",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "update"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -431,7 +565,10 @@
             {
               "DELETE": {
                 "node_id": "oceanbase-704cfa03b69449b4bed5dc753bf5b7e7",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "delete"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -440,7 +577,10 @@
             {
               "REPLACE": {
                 "node_id": "oceanbase-2884a0055c714346ba751c2f653e8445",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "replace"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -449,7 +589,10 @@
             {
               "提交事务": {
                 "node_id": "oceanbase-8526e5c5374b4081b9a5c698b9748856",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "commit"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -458,7 +601,10 @@
             {
               "回滚事务": {
                 "node_id": "oceanbase-173dda0ef67d4d178b9454191b8a2c7e",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "rollback"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -467,7 +613,10 @@
             {
               "事务保存点": {
                 "node_id": "oceanbase-15dec616c0c14cdda056b3bacc20704f",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "savepoint"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -476,7 +625,11 @@
             {
               "事务超时": {
                 "node_id": "oceanbase-9e903dac84eb406d9bab6d66ce1a393e",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "transaction",
+                  "timeout"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -485,7 +638,10 @@
             {
               "创建和管理表": {
                 "node_id": "oceanbase-b1d157ec8b47413a8d6e3e2f08c87c19",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "table"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -494,7 +650,11 @@
             {
               "创建和管理分区表": {
                 "node_id": "oceanbase-2cf15c8bbdca4f5a9b8bf760e83dc4cb",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "table",
+                  "partition"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -503,7 +663,12 @@
             {
               "创建和管理表组": {
                 "node_id": "oceanbase-e927b436adc242fe8c2c46b60cccaf77",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "partition",
+                  "table",
+                  "group"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -512,7 +677,10 @@
             {
               "创建和管理视图": {
                 "node_id": "oceanbase-66b5429f4acd4e5489a1ae637fbcdc5a",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "view"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -521,7 +689,11 @@
             {
               "迁移和同步": {
                 "node_id": "oceanbase-cb33c74506814a19b63a388042135240",
-                "keywords": [],
+                "keywords": [
+                  "oceanbase",
+                  "migration",
+                  "synchronization"
+                ],
                 "children": [],
                 "keywords_must": [],
                 "keywords_forbid": []
@@ -545,7 +717,10 @@
                   {
                     "ob-admin": {
                       "node_id": "oceanbase-de82fa8c1eb6488da71a615b240ef789",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "ob-admin"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -554,7 +729,10 @@
                   {
                     "ob-agent": {
                       "node_id": "oceanbase-4654169e532043da82cbae4aa61b9161",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "ob-agent"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -563,7 +741,10 @@
                   {
                     "liboblog": {
                       "node_id": "oceanbase-c02525c0223446559932f8fd43b1e3b0",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "liboblog"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -572,7 +753,10 @@
                   {
                     "oblogproxy": {
                       "node_id": "oceanbase-f410d4fcf3174c98b3319ad608a74067",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "oblogproxy"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -581,7 +765,10 @@
                   {
                     "oblogmsg": {
                       "node_id": "oceanbase-13e640bb032e41d9b1f6ea6fa1e097d9",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "oblogmsg"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -600,7 +787,12 @@
                   {
                     "通用系统参数配置": {
                       "node_id": "oceanbase-4224317fe01d462595961559747d96a8",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "default",
+                        "system",
+                        "configuration"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -609,7 +801,12 @@
                   {
                     "默认生产参数配置": {
                       "node_id": "oceanbase-de31577707b84d1dbcaebbb1d023050f",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "production",
+                        "system",
+                        "configuration"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -618,7 +815,12 @@
                   {
                     "最小资源参数配置": {
                       "node_id": "oceanbase-b2607ecae73d46179129e91337ff7669",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "minimum",
+                        "system",
+                        "configuration"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -627,7 +829,12 @@
                   {
                     "最佳性能参数配置": {
                       "node_id": "oceanbase-1ffdadf84062428ebb2c336a74a3f3f1",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "performance",
+                        "system",
+                        "configuration"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -646,7 +853,10 @@
                   {
                     "子查询": {
                       "node_id": "oceanbase-932a909fd2c94d8e9a57caa0e0510d1d",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "subquery"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -655,7 +865,10 @@
                   {
                     "连接查询": {
                       "node_id": "oceanbase-d28015752f834bffacc6dfb9ab64b8c2",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "join"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -664,7 +877,10 @@
                   {
                     "数据分析": {
                       "node_id": "oceanbase-4977bf7616784bfbac4bf88c8a064375",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "olap"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -673,7 +889,10 @@
                   {
                     "函数": {
                       "node_id": "oceanbase-5c2cb3c282b7494bbf4b5f7e1fcb7457",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "function"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -682,7 +901,11 @@
                   {
                     "SQL请求执行顺序": {
                       "node_id": "oceanbase-9d1b0edd283647ec8e3d40b45731a6d7",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "query",
+                        "workflow"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -691,7 +914,11 @@
                   {
                     "SQL执行计划": {
                       "node_id": "oceanbase-ac2ddb04b0d441b48fd8975fbc956d42",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "query",
+                        "plain"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -700,7 +927,11 @@
                   {
                     "分布式执行计划": {
                       "node_id": "oceanbase-ccf31646a84d4f5d82d0d9be7c7d41a8",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "plain",
+                        "distribution"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []
@@ -709,7 +940,11 @@
                   {
                     "优化": {
                       "node_id": "oceanbase-55cb4815cdde4e278e632ad15eaa8ea6",
-                      "keywords": [],
+                      "keywords": [
+                        "oceanbase",
+                        "performance",
+                        "query"
+                      ],
                       "children": [],
                       "keywords_must": [],
                       "keywords_forbid": []

main.py

-from src.tree import TreeWalker
+from skill_tree.tree import TreeWalker
 
 if __name__ == '__main__':
     walker = TreeWalker("data", "oceanbase", "OceanBase")