diff --git a/job_decorators.py b/job_decorators.py
index e61bccd..514ac21 100644
--- a/job_decorators.py
+++ b/job_decorators.py
@@ -6,10 +6,86 @@ from typing import Callable, Optional, Dict, List, Any
 
 LOG = logging.getLogger("JobDecorator")
 
-# 存储所有被装饰的任务
-scheduled_tasks = []
-# 存储所有实例的弱引用
-instances = []
+# 任务注册表类，管理所有任务和实例
+class TaskRegistry:
+    _instance = None
+    
+    @classmethod
+    def get_instance(cls):
+        if cls._instance is None:
+            cls._instance = TaskRegistry()
+        return cls._instance
+    
+    def __init__(self):
+        if TaskRegistry._instance is not None:
+            raise RuntimeError("请使用 TaskRegistry.get_instance() 获取实例")
+        
+        self.tasks = []  # 存储所有被装饰的任务
+        self.instances = []  # 存储所有实例的弱引用
+    
+    def register_task(self, task_info):
+        """注册任务信息"""
+        self.tasks.append(task_info)
+    
+    def register_instance(self, instance):
+        """注册实例到实例列表"""
+        # 检查实例是否已注册
+        for ref in self.instances:
+            if ref() is instance:
+                return
+        
+        # 添加实例的弱引用
+        self.instances.append(weakref.ref(instance))
+        
+        # 清理已失效的弱引用
+        self.instances = [ref for ref in self.instances if ref() is not None]
+        
+        # 尝试为这个实例注册任务
+        self.register_tasks_for_instance(instance)
+    
+    def register_tasks_for_instance(self, instance):
+        """为指定实例注册任务"""
+        class_name = instance.__class__.__name__
+        
+        for task in self.tasks:
+            # 检查任务是否属于这个类
+            if task["class_name"] == class_name and hasattr(instance, task["method_name"]):
+                method = getattr(instance, task["method_name"])
+                
+                # 注册任务
+                if hasattr(instance, 'add_job'):
+                    LOG.info(f"为 {class_name} 添加定时任务: {task['method_name']}, cron: {task['cron']}")
+                    instance.add_job(method, task["cron"], task["name"])
+                elif hasattr(instance, 'onEveryTime'):
+                    # 将cron表达式转换为时间字符串 (简化处理，仅支持每天固定时间)
+                    cron_parts = task["cron"].split()
+                    if len(cron_parts) >= 2:
+                        minute, hour = cron_parts[0], cron_parts[1]
+                        # 移除可能的前导0
+                        if minute.startswith('0') and len(minute) > 1:
+                            minute = minute[1:]
+                        if hour.startswith('0') and len(hour) > 1:
+                            hour = hour[1:]
+                        time_str = f"{hour}:{minute}"
+                        LOG.info(f"为 {class_name} 添加定时任务: {task['method_name']}, 时间: {time_str}")
+                        instance.onEveryTime(time_str, method)
+    
+    def initialize(self):
+        """初始化任务系统，扫描所有已创建的实例并注册任务"""
+        LOG.info("初始化任务系统")
+        
+        # 清理已失效的弱引用
+        self.instances = [ref for ref in self.instances if ref() is not None]
+        
+        # 为所有实例注册任务
+        for ref in self.instances:
+            instance = ref()
+            if instance:
+                self.register_tasks_for_instance(instance)
+
+
+# 获取任务注册表实例
+registry = TaskRegistry.get_instance()
 
 
 def scheduled_job(cron: str, name: Optional[str] = None, enabled: bool = True):
@@ -33,7 +109,7 @@ def scheduled_job(cron: str, name: Optional[str] = None, enabled: bool = True):
             "method_name": func.__name__,
             "class_name": func.__qualname__.split('.')[0] if '.' in func.__qualname__ else None
         }
-        scheduled_tasks.append(task_info)
+        registry.register_task(task_info)
 
         LOG.info(f"注册定时任务: {task_name}, cron: {cron}, enabled: {enabled}")
 
@@ -41,7 +117,7 @@ def scheduled_job(cron: str, name: Optional[str] = None, enabled: bool = True):
         def wrapper(*args, **kwargs):
             # 如果是实例方法的第一次调用，注册实例
             if args and not isinstance(args[0], type) and hasattr(args[0], '__class__'):
-                register_instance(args[0])
+                registry.register_instance(args[0])
             return func(*args, **kwargs)
 
         return wrapper
@@ -49,62 +125,6 @@ def scheduled_job(cron: str, name: Optional[str] = None, enabled: bool = True):
     return decorator
 
 
-def register_instance(instance):
-    """注册实例到全局实例列表"""
-    # 检查实例是否已注册
-    for ref in instances:
-        if ref() is instance:
-            return
-
-    # 添加实例的弱引用
-    instances.append(weakref.ref(instance))
-
-    # 清理已失效的弱引用
-    global instances
-    instances = [ref for ref in instances if ref() is not None]
-
-    # 尝试为这个实例注册任务
-    register_tasks_for_instance(instance)
-
-
-def register_tasks_for_instance(instance):
-    """为指定实例注册任务"""
-    class_name = instance.__class__.__name__
-
-    for task in scheduled_tasks:
-        # 检查任务是否属于这个类
-        if task["class_name"] == class_name and hasattr(instance, task["method_name"]):
-            method = getattr(instance, task["method_name"])
-
-            # 注册任务
-            if hasattr(instance, 'add_job'):
-                LOG.info(f"为 {class_name} 添加定时任务: {task['method_name']}, cron: {task['cron']}")
-                instance.add_job(method, task["cron"], task["name"])
-            elif hasattr(instance, 'onEveryTime'):
-                # 将cron表达式转换为时间字符串 (简化处理，仅支持每天固定时间)
-                cron_parts = task["cron"].split()
-                if len(cron_parts) >= 2:
-                    minute, hour = cron_parts[0], cron_parts[1]
-                    # 移除可能的前导0
-                    if minute.startswith('0') and len(minute) > 1:
-                        minute = minute[1:]
-                    if hour.startswith('0') and len(hour) > 1:
-                        hour = hour[1:]
-                    time_str = f"{hour}:{minute}"
-                    LOG.info(f"为 {class_name} 添加定时任务: {task['method_name']}, 时间: {time_str}")
-                    instance.onEveryTime(time_str, method)
-
-
 def initialize_job_system():
     """初始化任务系统，扫描所有已创建的实例并注册任务"""
-    LOG.info("初始化任务系统")
-
-    # 清理已失效的弱引用
-    global instances
-    instances = [ref for ref in instances if ref() is not None]
-
-    # 为所有实例注册任务
-    for ref in instances:
-        instance = ref()
-        if instance:
-            register_tasks_for_instance(instance)
+    registry.initialize()
\ No newline at end of file