From 762568894b3c63da00a6fdb567fa753d7164a8ee Mon Sep 17 00:00:00 2001
From: liuwei <liuwei@wdtrgf.com.cn>
Date: Thu, 20 Mar 2025 11:51:18 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A8=A1=E5=9D=97=E7=AE=A1=E7=90=86=E4=BC=98?=
 =?UTF-8?q?=E5=8C=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 plugin_common/plugin_manager.py | 27 ++++++++++++++++++++++++++-
 plugins/plugin_manager/main.py  |  2 +-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/plugin_common/plugin_manager.py b/plugin_common/plugin_manager.py
index c33bab9..2b37a15 100644
--- a/plugin_common/plugin_manager.py
+++ b/plugin_common/plugin_manager.py
@@ -13,7 +13,32 @@ from plugin_common.event_system import EventSystem, EventType
 
 
 class PluginManager:
-    """插件管理器，负责插件的加载、初始化、启动、停止和卸载"""
+    """插件管理器，负责加载、卸载、启动、停止插件"""
+    
+    # 单例实例
+    _instance = None
+    
+    @classmethod
+    def get_instance(cls, plugin_dir=None):
+        """获取单例实例
+        
+        Args:
+            plugin_dir: 插件目录，如果已有实例则忽略此参数
+            
+        Returns:
+            PluginManager实例
+        """
+        if cls._instance is None:
+            cls._instance = cls(plugin_dir=plugin_dir or "plugins")
+        return cls._instance
+    
+    def __new__(cls, *args, **kwargs):
+        """实现单例模式"""
+        if cls._instance is None:
+            cls._instance = super(PluginManager, cls).__new__(cls)
+            cls._instance._initialized = False
+        return cls._instance
+    
 
     def __init__(self, plugin_dir: str = "plugins"):
         """
diff --git a/plugins/plugin_manager/main.py b/plugins/plugin_manager/main.py
index 350c6b3..d0263a7 100644
--- a/plugins/plugin_manager/main.py
+++ b/plugins/plugin_manager/main.py
@@ -76,7 +76,7 @@ class PluginManagerPlugin(MessagePluginInterface):
             return False
 
         # 创建插件管理器实例
-        self.plugin_manager = PluginManager()
+        self.plugin_manager = PluginManager().get_instance()
         # 设置系统上下文
         self.plugin_manager.set_system_context(context)