diff --git a/app/core/config.py b/app/core/config.py
index 121736f4..3aa24626 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -414,6 +414,8 @@ class ConfigModel(BaseModel):
     RCLONE_SNAPSHOT_CHECK_FOLDER_MODTIME: bool = True
     # 对OpenList进行快照对比时，是否检查文件夹的修改时间
     OPENLIST_SNAPSHOT_CHECK_FOLDER_MODTIME: bool = True
+    # 对阿里云盘进行快照对比时，是否检查文件夹的修改时间（默认关闭，因为阿里云盘目录时间不随子文件变更而更新）
+    ALIPAN_SNAPSHOT_CHECK_FOLDER_MODTIME: bool = False
 
     # ==================== Docker配置 ====================
     # Docker Client API地址
diff --git a/app/modules/filemanager/storages/__init__.py b/app/modules/filemanager/storages/__init__.py
index 267e8080..3adeca74 100644
--- a/app/modules/filemanager/storages/__init__.py
+++ b/app/modules/filemanager/storages/__init__.py
@@ -261,13 +261,12 @@ class StorageBase(metaclass=ABCMeta):
                     for sub_file in sub_files:
                         __snapshot_file(sub_file, current_depth + 1)
                 else:
-                    # 记录文件的完整信息用于比对
-                    if getattr(_fileitm, 'modify_time', 0) > last_snapshot_time:
-                        files_info[_fileitm.path] = {
-                            'size': _fileitm.size or 0,
-                            'modify_time': getattr(_fileitm, 'modify_time', 0),
-                            'type': _fileitm.type
-                        }
+                    # 记录文件的完整信息用于比对（始终包含所有文件，由 compare_snapshots 负责检测变化）
+                    files_info[_fileitm.path] = {
+                        'size': _fileitm.size or 0,
+                        'modify_time': getattr(_fileitm, 'modify_time', 0),
+                        'type': _fileitm.type
+                    }
 
             except Exception as e:
                 logger.debug(f"Snapshot error for {_fileitm.path}: {e}")
diff --git a/app/modules/filemanager/storages/alipan.py b/app/modules/filemanager/storages/alipan.py
index fd6040a7..0c18d141 100644
--- a/app/modules/filemanager/storages/alipan.py
+++ b/app/modules/filemanager/storages/alipan.py
@@ -43,6 +43,9 @@ class AliPan(StorageBase, metaclass=WeakSingleton):
     # 基础url
     base_url = "https://openapi.alipan.com"
 
+    # 阿里云盘目录时间不随子文件变更而更新，默认关闭目录修改时间检查
+    snapshot_check_folder_modtime = settings.ALIPAN_SNAPSHOT_CHECK_FOLDER_MODTIME
+
     # 文件块大小，默认10MB
     chunk_size = 10 * 1024 * 1024