fixed prefix

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

 {
   "keywords": [],
-  "node_id": "ob-84787e0a055640d2af669b7ff61bd08a",
+  "node_id": "oceanbase-a4dcb513a49a454a8989ada618656b76",
   "title": "安装OBD"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-3c6f0c81923943bab108563f409738c1",
+  "node_id": "oceanbase-74cfd90d3682429d941fd1f191031a83",
   "title": "使用OBD部署"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-853a46feb30842b5bafea317687e04df",
+  "node_id": "oceanbase-5fb13210a35442f5af6d28a8528d11fe",
   "title": "问题排查"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-9ebb7b7c868d41b489286a631c86f918",
+  "node_id": "oceanbase-1a1ae343bdb44ffbbbbed6eea0ca2d9f",
   "title": "使用OBD"
 }
\ No newline at end of file

data/1.OceanBase初阶/1.快速入门/config.json

 {
   "keywords": [],
-  "node_id": "ob-a70706dc6bd340fc960132aad2c87707",
+  "node_id": "oceanbase-d21749adeb774171afc8b6ab8053db85",
   "title": "快速入门"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-013bdab5013c4ce4913233f87592f844",
+  "node_id": "oceanbase-c094797ecb1d4c38bb5616eed43f6093",
   "title": "数据库操作"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-d9a4ab293b494b1e8b5dcc4bc6e28685",
+  "node_id": "oceanbase-30b33e26049a48b2a58fbff04d5073e5",
   "title": "表操作"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-22610873050f4f219af2dd3516442690",
+  "node_id": "oceanbase-c11e9d6055704246b8497babb4045475",
   "title": "索引操作"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-0f74a0152cc54bac9fe0f4875c7b22d3",
+  "node_id": "oceanbase-340a1c83d1bd4e1aaac955f4df7b9e95",
   "title": "插入数据"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-24f2d9140dae40cba5714ad8b91cc233",
+  "node_id": "oceanbase-8acf63bf25ba47d9b54f01ff86962dd8",
   "title": "删除数据"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-d4735b0199e041cea568eaf5da3d5bfd",
+  "node_id": "oceanbase-ba5a1ffe0c1741dea72d907e2c5ca6a4",
   "title": "更新数据"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-c9288cdb530e4af789dfc76150e922d8",
+  "node_id": "oceanbase-6f727423ee414b85b6ed90bebcdd88b8",
   "title": "查询数据",
   "export": [
     "hello.json"

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

 {
   "keywords": [],
-  "node_id": "ob-511b322d90f9484d9a25108a6ad63aa0",
+  "node_id": "oceanbase-af5799dc0b634263b326e0a6fe362dc0",
   "title": "提交事务"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-ab9965aed5794e7d84cfad5d10ec5599",
+  "node_id": "oceanbase-8a60e56da9254c80916aea336c80bafb",
   "title": "回滚事务"
 }
\ No newline at end of file

data/1.OceanBase初阶/2.基本操作/config.json

 {
   "keywords": [],
-  "node_id": "ob-ec5c1a3d85db4ac4b51891002c9585db",
+  "node_id": "oceanbase-5368117809db400086291ac9f9366ee5",
   "title": "基本操作"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-68ab7889257b44979a53385573f73505",
+  "node_id": "oceanbase-821f7a2277d34126a9faf5c4a67e361a",
   "title": "整体架构"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-ec3fe81c7bab4cd79c54d6b74e1c1113",
+  "node_id": "oceanbase-919562e4a81c4987bf99169fbd1c9950",
   "title": "数据分布"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-3b0443341ac0408b9488952de107adff",
+  "node_id": "oceanbase-e15c5dbfda3f4d309520c6eb006107e5",
   "title": "数据模型"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-47ce8e30a33f479594bf6d2ff0da1bfa",
+  "node_id": "oceanbase-360ee2fa5b8c4deab45c13a82cae4191",
   "title": "高可用"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-1ec046c02a77404eb53ff06b91573a40",
+  "node_id": "oceanbase-3d93b937f63f4d1a9fa6c6de5f232b9f",
   "title": "事务管理"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-b50c55d09413418d90bb648ea9e98c43",
+  "node_id": "oceanbase-12b2a187d8734b03a9bc821fd5bd97c0",
   "title": "存储架构"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-d86684074ed34222b7fb7896de920dc4",
+  "node_id": "oceanbase-b66b81b9d7fc40ae86f794e663c17ffd",
   "title": "SQL引擎"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-f31680ba954b4a358f9506f3195c84ee",
+  "node_id": "oceanbase-7073e77cdd9e45aab980b4c78c2ba718",
   "title": "备份与恢复"
 }
\ No newline at end of file

data/1.OceanBase初阶/3.整体概览/config.json

 {
   "keywords": [],
-  "node_id": "ob-013816a853dc48469ac7b9cff78de825",
+  "node_id": "oceanbase-735e852aa8ef4f748b1af40f3d65f277",
   "title": "整体概览"
 }
\ No newline at end of file

data/1.OceanBase初阶/config.json

 {
   "keywords": [],
-  "node_id": "ob-f09fe5be766942d787941675c5c0a9bb",
+  "node_id": "oceanbase-34c6b048999e42f3b7cc0d60b9452b4a",
   "title": "OceanBase初阶"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-1df64a4e78e94dbdb51b3a233114360a",
+  "node_id": "oceanbase-7b125f6585034b4cb85aa6d8d97473dd",
   "title": "数据库基础组件"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-1bd2eb6cbd8d439881cd2737cf2996d0",
+  "node_id": "oceanbase-d1aea4163cac432593b2193669e2cf65",
   "title": "数据库管理工具"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-a343d533aeea43f08458c09eb810a6a0",
+  "node_id": "oceanbase-0a9994e92ac04c489190ea514b244132",
   "title": "数据库基础管理"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-8e9f8e33ac984fe89b3b9187d3742093",
+  "node_id": "oceanbase-7e02baf5d5a44bb99b1f67153622a174",
   "title": "数据库对象管理"
 }
\ No newline at end of file

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": [],
-  "node_id": "ob-341cfdd78a2a4fb0abe587342bd9b4fa",
+  "node_id": "oceanbase-deedd2e3249f4c259db2fe95034e6a04",
   "title": "数据库分布和链路管理"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-9d7b7e878a364a82a3b4362ed78c7803",
+  "node_id": "oceanbase-bf96cad4634b4935926f4fdd057c8b10",
   "title": "事务管理"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-1f1088a4c2214c50a7e2a36cfa8a75a8",
+  "node_id": "oceanbase-fe4799db20154acdb90be29dca4b7625",
   "title": "用户权限管理"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-7ed2708b1407433794ab475437749b6e",
+  "node_id": "oceanbase-343f3156dc704fa285dd4d25fc4b4e6a",
   "title": "数据高可用"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-799a2e57c16c48cb9db7756365234b26",
+  "node_id": "oceanbase-59fbb321928c4c31af25904757553051",
   "title": "管理员指南"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-a16e1992943c444ab01d885294fb5474",
+  "node_id": "oceanbase-15dec616c0c14cdda056b3bacc20704f",
   "title": "事务保存点"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-f91c9ce7233e4c83a2cb476963b4682c",
+  "node_id": "oceanbase-9e903dac84eb406d9bab6d66ce1a393e",
   "title": "事务超时"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-6cf0404835ee406c914db0a311dab7db",
+  "node_id": "oceanbase-b1d157ec8b47413a8d6e3e2f08c87c19",
   "title": "创建和管理表"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-3ba77eca63574cd3a1ded9b4e22053fb",
+  "node_id": "oceanbase-2cf15c8bbdca4f5a9b8bf760e83dc4cb",
   "title": "创建和管理分区表"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-f859f7e05996436aae79d84abb787d77",
+  "node_id": "oceanbase-e927b436adc242fe8c2c46b60cccaf77",
   "title": "创建和管理表组"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-e1173a9545f94652bc68383ac3540c3a",
+  "node_id": "oceanbase-66b5429f4acd4e5489a1ae637fbcdc5a",
   "title": "创建和管理视图"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-b759630e2e1344b68c5f358f06751b21",
+  "node_id": "oceanbase-cb33c74506814a19b63a388042135240",
   "title": "迁移和同步"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-005963893ef748439ec3f0eee2a62213",
+  "node_id": "oceanbase-9495432660874f2a9bedef0baa185f85",
   "title": "数据库集群"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-4836c61e243a42b787aec151f427b0d9",
+  "node_id": "oceanbase-4e435f265b5a40e981d26ce8ed35c5ac",
   "title": "OceanBase租户"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-dcb605252ba849c2b5d096fef3795166",
+  "node_id": "oceanbase-c55ea8a25e804f498e6f66fc6997a127",
   "title": "MySQL租户"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-e60b13f766254d8992e0e89e3b7bc195",
+  "node_id": "oceanbase-fe208ea803654952a03d2d596643e349",
   "title": "MySQL客户端"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-7a36da0b55c84453bf1d631151b6ecd7",
+  "node_id": "oceanbase-5b6c0bf62d7e41b080199e432ddf754d",
   "title": "OceanBase客户端"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-99c7949b37754d6dbaad025b89ffe92e",
+  "node_id": "oceanbase-f7075b3752624443bb420484aadcdbfc",
   "title": "结构化查询语言"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-22ed99032fd94d1fa14d88f1b43fb87a",
+  "node_id": "oceanbase-12ab34d11b514461882cfde60f6cb9de",
   "title": "Java连接驱动"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-e6459b45729b4257bb0ee6aad88b9a9c",
+  "node_id": "oceanbase-85e6be91d75a4ae59cf655e7c139a30e",
   "title": "实例数据库"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-ab747f1d6b0b4d14af766b3dcb193786",
+  "node_id": "oceanbase-2b5a186477dd4118a107392c965d7023",
   "title": "开发者指南"
 }
\ No newline at end of file

data/2.OceanBase中阶/3.表查询/config.json

 {
   "keywords": [],
-  "node_id": "ob-fca45361db8c421cbae40e3ea3ea30a3",
+  "node_id": "oceanbase-641f612acf59456187b9573a4398e20b",
   "title": "表查询"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-efdc5f052bd6480cb59ef82791a3fbfb",
+  "node_id": "oceanbase-4d176da86e544f98acdb7b473d14902a",
   "title": "INSERT"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-ebc8f0b58f7c4dcfa8ebb3d7f3dd8221",
+  "node_id": "oceanbase-331c385ebc2448198f48564851555c06",
   "title": "UPDATE"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-2790316c37e744439ed7a595e43e9925",
+  "node_id": "oceanbase-704cfa03b69449b4bed5dc753bf5b7e7",
   "title": "DELETE"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-cbc6c19dabf84f7382198ff29d47aff0",
+  "node_id": "oceanbase-2884a0055c714346ba751c2f653e8445",
   "title": "REPLACE"
 }
\ No newline at end of file

data/2.OceanBase中阶/8.提交事务/config.json

 {
   "keywords": [],
-  "node_id": "ob-04e7b55f5e2240b78e03dc2cc24bbf4c",
+  "node_id": "oceanbase-8526e5c5374b4081b9a5c698b9748856",
   "title": "提交事务"
 }
\ No newline at end of file

data/2.OceanBase中阶/9.回滚事务/config.json

 {
   "keywords": [],
-  "node_id": "ob-9b049efa61f748228242736e2601c615",
+  "node_id": "oceanbase-173dda0ef67d4d178b9454191b8a2c7e",
   "title": "回滚事务"
 }
\ No newline at end of file

data/2.OceanBase中阶/config.json

 {
   "keywords": [],
-  "node_id": "ob-7c6aa61f496c4a76955e15bd77b8c8b1",
+  "node_id": "oceanbase-b3022b343e13427e8da25d68af2e5763",
   "title": "OceanBase中阶"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-764fbe37c4104a159a788179177db3bf",
+  "node_id": "oceanbase-de82fa8c1eb6488da71a615b240ef789",
   "title": "ob-admin"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-957437fd9b7845f5b44bbdc8975dd637",
+  "node_id": "oceanbase-4654169e532043da82cbae4aa61b9161",
   "title": "ob-agent"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-fcc597f83b724d4fac026263688103e9",
+  "node_id": "oceanbase-c02525c0223446559932f8fd43b1e3b0",
   "title": "liboblog"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-2e91481029474f9bb8e11743e8c87a50",
+  "node_id": "oceanbase-f410d4fcf3174c98b3319ad608a74067",
   "title": "oblogproxy"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-e3067da3f27247388d8db68dedea91c2",
+  "node_id": "oceanbase-13e640bb032e41d9b1f6ea6fa1e097d9",
   "title": "oblogmsg"
 }
\ No newline at end of file

data/3.OceanBase高阶/1.生态工具/config.json

 {
   "keywords": [],
-  "node_id": "ob-623af001479940068ca008d7dc4d8048",
+  "node_id": "oceanbase-85af037d28c940b5a5a916670c6e0018",
   "title": "生态工具"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-7ef4eb15586d4065a72b4fa397e7a5fb",
+  "node_id": "oceanbase-4224317fe01d462595961559747d96a8",
   "title": "通用系统参数配置"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-58e375cf2f1a48cb921b773eb34efdab",
+  "node_id": "oceanbase-de31577707b84d1dbcaebbb1d023050f",
   "title": "默认生产参数配置"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-2591af1e55a14c948906706cc7a2cb7b",
+  "node_id": "oceanbase-b2607ecae73d46179129e91337ff7669",
   "title": "最小资源参数配置"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-fe0c9f76d5534776b1bdc706be88751e",
+  "node_id": "oceanbase-1ffdadf84062428ebb2c336a74a3f3f1",
   "title": "最佳性能参数配置"
 }
\ No newline at end of file

data/3.OceanBase高阶/2.最佳实践/config.json

 {
   "keywords": [],
-  "node_id": "ob-fb64af120b5c4403bfb9dce995028b51",
+  "node_id": "oceanbase-bbf2f9741837479ba4d1daa52e091b78",
   "title": "最佳实践"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-51a45bee595a4d3e8e855ad97bafbdfd",
+  "node_id": "oceanbase-932a909fd2c94d8e9a57caa0e0510d1d",
   "title": "子查询"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-3c76979a5d4541a28db2667f67054a4d",
+  "node_id": "oceanbase-d28015752f834bffacc6dfb9ab64b8c2",
   "title": "连接查询"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-83b90cfb4ae740e09620f8498178fa1a",
+  "node_id": "oceanbase-4977bf7616784bfbac4bf88c8a064375",
   "title": "数据分析"
 }
\ No newline at end of file

data/3.OceanBase高阶/3.编程和查询/4.SQL请求执行顺序/config.json

 {
   "keywords": [],
-  "node_id": "ob-732b80bf22b34dd9bc138b53939e14a8",
+  "node_id": "oceanbase-9d1b0edd283647ec8e3d40b45731a6d7",
   "title": "SQL请求执行顺序"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-312b3dff536e4efb9ee9d38eec838365",
+  "node_id": "oceanbase-5c2cb3c282b7494bbf4b5f7e1fcb7457",
   "title": "函数"
 }
\ No newline at end of file

data/3.OceanBase高阶/3.编程和查询/5.SQL执行计划/config.json

 {
   "keywords": [],
-  "node_id": "ob-ada3b8f79a044c7fa9a830cd773c045a",
+  "node_id": "oceanbase-ac2ddb04b0d441b48fd8975fbc956d42",
   "title": "SQL执行计划"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-7b2c300920524e47bc7b05e25d6e096e",
+  "node_id": "oceanbase-ccf31646a84d4f5d82d0d9be7c7d41a8",
   "title": "分布式执行计划"
 }
\ No newline at end of file

data/3.OceanBase高阶/3.编程和查询/7.优化/config.json

 {
   "keywords": [],
-  "node_id": "ob-fbaf5f48374f41cd8333839151ac932f",
+  "node_id": "oceanbase-55cb4815cdde4e278e632ad15eaa8ea6",
   "title": "优化"
 }
\ No newline at end of file

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

 {
   "keywords": [],
-  "node_id": "ob-09fb30cc8c814755824c1f3c35787048",
+  "node_id": "oceanbase-8a5fb37bb13f4a25a9b917b165fdf111",
   "title": "编程和查询"
 }
\ No newline at end of file

data/3.OceanBase高阶/config.json

 {
   "keywords": [],
-  "node_id": "ob-4d56098f05734c609fd3c605ad37ba72",
+  "node_id": "oceanbase-c66bdfb4461d4271bfe4899acfcdd41c",
   "title": "OceanBase高阶"
 }
\ No newline at end of file

data/config.json

 {
   "tree_name": "oceanbase",
   "keywords": [],
-  "node_id": "ob-6254ae328788405087e6831a171a0128",
+  "node_id": "oceanbase-eb2972c7232b48eaa049d0eda82ae8f4",
   "title": "OceanBase"
 }
\ No newline at end of file

src/tree.py

@@ -56,7 +56,7 @@ def gen_tree(data_path):
 
     def gen_node_id():
         # return ''.join(str(uuid.uuid5(uuid.NAMESPACE_URL, 'skill_tree')).split('-'))
-        return "ob-" + uuid.uuid4().hex
+        return "oceanbase-" + uuid.uuid4().hex
 
     def list_dir(p):
         v = os.listdir(p)
@@ -69,7 +69,7 @@ def gen_tree(data_path):
     def ensure_id_helper(node):
         flag = False
 
-        if (node.get('node_id') is None) or node.get('node_id') in id_set:
+        if (node.get('node_id') is None) or node.get('node_id') in id_set or True:
             node['node_id'] = gen_node_id()   
             flag = True