Update app.py

app.py

@@ -73,28 +73,28 @@ global_shown_pairs_cache = {}
 global_history_has_unsaved_changes = False
 
 print(f"调试：检查 '{base_path}' (CWD) 的内容：")
+try:
+    for item in os.listdir(base_path):
+        item_path_full = os.path.join(base_path, item)
+        item_type = "DIR" if os.path.isdir(item_path_full) else "FILE"
+        print(f"  - CWD Item: {item} ({item_type})")
+except Exception as e:
+    print(f"  错误：列出CWD '{base_path}' 内容失败: {e}")
+
+print(f"调试：检查子目录 '{full_subdir_path}' 是否真的存在且为目录...")
+if os.path.exists(full_subdir_path) and os.path.isdir(full_subdir_path):
+    print(f"  确认：'{full_subdir_path}' 存在并且是一个目录。")
+    print(f"  调试：'{full_subdir_path}' 的内容：")
     try:
-        for item in os.listdir(base_path):
-            item_path_full = os.path.join(base_path, item)
-            item_type = "DIR" if os.path.isdir(item_path_full) else "FILE"
-            print(f"  - CWD Item: {item} ({item_type})")
+        for item in os.listdir(full_subdir_path):
+            item_path_in_subdir = os.path.join(full_subdir_path, item)
+            item_type_in_subdir = "DIR" if os.path.isdir(item_path_in_subdir) else "FILE"
+            print(f"    - Subdir Item: {item} ({item_type_in_subdir})")
     except Exception as e:
-        print(f"  错误：列出CWD '{base_path}' 内容失败: {e}")
-
-    print(f"调试：检查子目录 '{full_subdir_path}' 是否真的存在且为目录...")
-    if os.path.exists(full_subdir_path) and os.path.isdir(full_subdir_path):
-        print(f"  确认：'{full_subdir_path}' 存在并且是一个目录。")
-        print(f"  调试：'{full_subdir_path}' 的内容：")
-        try:
-            for item in os.listdir(full_subdir_path):
-                item_path_in_subdir = os.path.join(full_subdir_path, item)
-                item_type_in_subdir = "DIR" if os.path.isdir(item_path_in_subdir) else "FILE"
-                print(f"    - Subdir Item: {item} ({item_type_in_subdir})")
-        except Exception as e:
-            print(f"    错误：列出子目录 '{full_subdir_path}' 内容失败: {e}")
-    else:
-        print(f"  警告：'{full_subdir_path}' 不存在或不是一个目录 (检查结果)。")
-        
+        print(f"    错误：列出子目录 '{full_subdir_path}' 内容失败: {e}")
+else:
+    print(f"  警告：'{full_subdir_path}' 不存在或不是一个目录 (检查结果)。")
+    
 def load_global_shown_pairs():
     global global_shown_pairs_cache, global_history_has_unsaved_changes
     if os.path.exists(GLOBAL_HISTORY_FILE):