nodes init

data/1.toolchains初阶/1.GIT入门/config.json

 {
-    "keywords": []
+  "keywords": [],
+  "node_id": "c-1cf412c0785c4269a2a4cc7634aa101b",
+  "title": "GIT入门"
 }
\ No newline at end of file

data/1.toolchains初阶/config.json

 {
-    "keywords": []
+  "keywords": [],
+  "node_id": "c-5995c3ccf1554d1ca4e48da52cf6aed9",
+  "title": "toolchains初阶"
 }
\ No newline at end of file

data/2.toolchains中阶/config.json

 {
-    "keywords": []
+  "keywords": [],
+  "node_id": "c-671b93fb441b44bd86020a6c5ecb689b",
+  "title": "toolchains中阶"
 }
\ No newline at end of file

data/3.toolchains高阶/config.json

 {
-    "keywords": []
+  "keywords": [],
+  "node_id": "c-60527be7abb340d39a1d4a4e780b402c",
+  "title": "toolchains高阶"
 }
\ No newline at end of file

data/config.json

+{
+  "tree_name": "Toolchains",
+  "keywords": [],
+  "node_id": "c-9ae45d2c41cd4958a449b8f50a394fcc",
+  "title": "C"
+}
\ No newline at end of file

data/tree.json

+{
+  "Toolchains": {
+    "node_id": "c-9ae45d2c41cd4958a449b8f50a394fcc",
+    "keywords": [],
+    "children": [
+      {
+        "toolchains初阶": {
+          "node_id": "c-5995c3ccf1554d1ca4e48da52cf6aed9",
+          "keywords": [],
+          "children": [
+            {
+              "GIT入门": {
+                "node_id": "c-1cf412c0785c4269a2a4cc7634aa101b",
+                "keywords": [],
+                "children": []
+              }
+            }
+          ]
+        }
+      },
+      {
+        "toolchains中阶": {
+          "node_id": "c-671b93fb441b44bd86020a6c5ecb689b",
+          "keywords": [],
+          "children": []
+        }
+      },
+      {
+        "toolchains高阶": {
+          "node_id": "c-60527be7abb340d39a1d4a4e780b402c",
+          "keywords": [],
+          "children": []
+        }
+      }
+    ]
+  }
+}
\ No newline at end of file

src/tree.py

@@ -21,7 +21,7 @@ def dump_json(p, j, exist_ok=False, override=False):
             print(f"{p} already exist")
             sys.exit(0)
 
-    with open(p, 'w') as f:
+    with open(p, 'w+') as f:
         f.write(json.dumps(j, indent=2, ensure_ascii=False))
 
 
@@ -117,7 +117,7 @@ def gen_tree(data_path):
     cfg_path = os.path.join(data_path, 'config.json')
     cfg = load_json(cfg_path)
     if ensure_node_id(cfg):
-        dump_json(cfg_path, cfg)
+        dump_json(cfg_path, cfg, exist_ok=True, override=True)
         
     if ensure_title(cfg, cfg_path):
         cfg["title"] = "C"