Fix JSON key casing mismatch

app.py

@@ -125,7 +125,7 @@ footer { display: none !important; }
 
 def get_default_data_dir():
     # 如果在 Space 环境，优先使用当前目录下的 cache_data 文件夹，避免 /root 权限问题
-    if os.environ.get("SPACE_ID"):
+    if os.environ.get("SPACE_ID") or os.environ.get("HF_SPACE"):
         return str(Path.cwd() / "cache_data")
         
     custom_dir = os.environ.get("HF_NOTES_DATA_DIR")
@@ -153,16 +153,25 @@ def read_notes():
             valid_notes = []
             for item in data:
                 if not isinstance(item, dict): continue
+                # 关键修复：同时支持 C# 风格 (Uppercase) 和 Python 风格 (Lowercase) 的键名
+                n_id = item.get("Id") or item.get("id", "")
+                n_title = item.get("Title") or item.get("title", "")
+                n_content = item.get("Content") or item.get("content", "")
+                n_updated = item.get("UpdatedAt") or item.get("updated_at", "")
+                n_pinned = item.get("IsPinned") if "IsPinned" in item else item.get("is_pinned", False)
+                n_deleted = item.get("IsDeleted") if "IsDeleted" in item else item.get("is_deleted", False)
+
                 valid_notes.append({
-                    "id": str(item.get("id", "")),
-                    "title": str(item.get("title", "新笔记")),
-                    "content": str(item.get("content", "")),
-                    "updated_at": str(item.get("updated_at", "")),
-                    "is_pinned": bool(item.get("is_pinned", False)),
-                    "is_deleted": bool(item.get("is_deleted", False))
+                    "id": str(n_id),
+                    "title": str(n_title),
+                    "content": str(n_content),
+                    "updated_at": str(n_updated),
+                    "is_pinned": bool(n_pinned),
+                    "is_deleted": bool(n_deleted)
                 })
             return valid_notes
-    except Exception: pass
+    except Exception as e:
+        print(f"读取笔记失败: {e}")
     return []
 
 def write_notes(notes):
@@ -179,7 +188,8 @@ class CloudSync:
     
     def pull(self):
         try:
-            ensure_local_notes() # 确保目标文件夹已创建
+            ensure_local_notes()
+            print(f"🔄 正在从 Dataset {DATASET_REPO_ID} 拉取 {REMOTE_NOTES_PATH}...")
             downloaded_path = hf_hub_download(
                 repo_id=DATASET_REPO_ID,
                 filename=REMOTE_NOTES_PATH,
@@ -191,7 +201,12 @@ class CloudSync:
             shutil.copy(downloaded_path, LOCAL_NOTES_PATH)
             return True, f"✅ 云端拉取同步完成"
         except Exception as e:
-            return False, f"⚠️ 拉取失败: {e}"
+            msg = str(e)
+            print(f"拉取失败详情: {msg}")
+            # 如果是 401/404，通常是 Token 没设或权限问题
+            if "401" in msg or "404" in msg:
+                return False, f"⚠️ 拉取失败: 请检查 Space 的 HF_TOKEN 是否已正确配置 (Dataset 可能为私有)"
+            return False, f"⚠️ 拉取失败: {msg}"
 
     def push(self):
         ensure_local_notes()
@@ -301,6 +316,7 @@ def handle_pin(note_id, current_filter):
             n["is_pinned"] = not n.get("is_pinned", False)
             break
     write_notes(notes)
+    backup_msg = sync_manager.push()[1]
     return load_notes_list(current_filter)
 
 # --- Gradio UI ---
@@ -355,6 +371,7 @@ with gr.Blocks(theme=gr.themes.Default(), head=PWA_HEAD) as demo:
     
     search_box.change(load_notes_list, [current_filter_state, search_box], [note_list])
     
+    # 离开焦点时保存
     edit_title.blur(handle_save, [selected_note_id, edit_title, edit_content], [status_text, note_list, selected_note_id])
     edit_content.blur(handle_save, [selected_note_id, edit_title, edit_content], [status_text, note_list, selected_note_id])
     
@@ -369,6 +386,7 @@ with gr.Blocks(theme=gr.themes.Default(), head=PWA_HEAD) as demo:
         return f"✨ [AI 润色已模拟完成]\n\n{content}\n\n(请在本地动作中使用完整的 DeepSeek 润色服务)"
     btn_ai.click(ai_polish, [edit_content], [edit_content])
 
+    # 启动拉取
     demo.load(lambda: (sync_manager.pull()[1], load_notes_list()), None, [status_text, note_list])
 
 if __name__ == "__main__":