diff --git a/plugin_common/plugin_manager.py b/plugin_common/plugin_manager.py
index 5cab846..353cad0 100644
--- a/plugin_common/plugin_manager.py
+++ b/plugin_common/plugin_manager.py
@@ -108,9 +108,11 @@ class PluginManager:
             for name, obj in inspect.getmembers(module):
                 if (inspect.isclass(obj) and 
                     issubclass(obj, PluginInterface) and 
-                    obj != PluginInterface and
-                    obj != MessagePluginInterface and
-                    obj != ScheduledPluginInterface):
+                    obj != PluginInterface
+                    # 修改这里：不排除继承自 MessagePluginInterface 和 ScheduledPluginInterface 的类
+                    # obj != MessagePluginInterface and
+                    # obj != ScheduledPluginInterface
+                    ):
                     plugin_class = obj
                     break
             
diff --git a/plugins/message_summary/__init__.py b/plugins/message_summary/__init__.py
index 052e5f8..f7f5fc1 100644
--- a/plugins/message_summary/__init__.py
+++ b/plugins/message_summary/__init__.py
@@ -1,3 +1,7 @@
-# 插件初始化文件
-# 从main模块导入插件类
-from .main import MessageSummaryPlugin
\ No newline at end of file
+from plugins.message_summary.main import MessageSummaryPlugin
+
+def get_plugin():
+    """获取插件实例"""
+    return MessageSummaryPlugin()
+
+__all__ = ['MessageSummaryPlugin', 'get_plugin']
\ No newline at end of file