插件状态管理未生效，导致状态不正常。

plugin_common/plugin_manager.py

@@ -78,8 +78,11 @@ class PluginManager:
 
         for plugin_name in plugin_modules:
             try:
-                if self.load_plugin(plugin_name):
+                plugin = self.load_plugin(plugin_name)
+                if plugin:
                     loaded_plugins.append(plugin_name)
+                    # 自动启动插件
+                    self.start_plugin(plugin.name)
             except Exception as e:
                 self.LOG.error(f"PluginManager：加载插件 {plugin_name} 时发生错误: {str(e)}", exc_info=True)
         
@@ -223,12 +226,16 @@ class PluginManager:
             if not plugin.stop():
                 self.LOG.info(f"PluginManager：停止插件 {plugin_name} 失败")
                 return False
+            plugin.status = PluginStatus.STOPPED  # 确保状态更新
     
         # 清理插件资源
         if not plugin.cleanup():
             self.LOG.info(f"PluginManager：清理插件 {plugin_name} 资源失败")
             return False
     
+        # 设置状态为未加载
+        plugin.status = PluginStatus.UNLOADED
+    
         # 注销插件
         PluginRegistry().unregister(plugin_name)
     
@@ -240,6 +247,43 @@ class PluginManager:
     
         return True
 
+    def reload_plugin(self, plugin_name: str) -> Optional[PluginInterface]:
+        """
+        重新加载插件
+        
+        Args:
+            plugin_name: 插件名称
+            
+        Returns:
+            插件实例，重新加载失败返回None
+        """
+        # 记录原插件状态
+        was_running = False
+        if plugin_name in self.plugins:
+            was_running = self.plugins[plugin_name].status == PluginStatus.RUNNING
+            
+            # 卸载插件
+            if not self.unload_plugin(plugin_name):
+                self.LOG.info(f"卸载插件 {plugin_name} 失败")
+                return None
+    
+        # 重新导入模块
+        if plugin_name in self.plugin_modules:
+            try:
+                importlib.reload(self.plugin_modules[plugin_name])
+            except Exception as e:
+                self.LOG.info(f"重新导入插件模块 {plugin_name} 失败: {e}")
+                return None
+    
+        # 加载插件
+        plugin = self.load_plugin(plugin_name)
+        
+        # 如果原来是运行状态，则重新启动
+        if plugin and was_running:
+            self.start_plugin(plugin.name)
+            
+        return plugin
+
     def start_plugin(self, plugin_name: str) -> bool:
         """
         启动插件