Update tree.json

data/tree.json

@@ -4,7 +4,7 @@
     "keywords": [],
     "children": [
       {
-        "Neo4J初阶": {
+        "Neo4j初阶": {
           "node_id": "neo4j-5e171793d38e49e784f544a9f80d09cb",
           "keywords": [],
           "children": [
@@ -14,7 +14,7 @@
                 "keywords": [],
                 "children": [
                   {
-                    "Neo4J简介": {
+                    "Neo4j简介": {
                       "node_id": "neo4j-0261ccb903994df281a2ec606b5d8c9e",
                       "keywords": [],
                       "children": []
@@ -41,14 +41,14 @@
         }
       },
       {
-        "Neo4J中阶": {
+        "Neo4j中阶": {
           "node_id": "neo4j-298b201de8044453a2d6e8d02e64962d",
           "keywords": [],
           "children": []
         }
       },
       {
-        "Neo4J高阶": {
+        "Neo4j高阶": {
           "node_id": "neo4j-b05c040c3bfe49e29f17397e9e16c7d4",
           "keywords": [],
           "children": []