diff --git a/job_decorators.py b/job_decorators.py
index 1571bed..f4df065 100644
--- a/job_decorators.py
+++ b/job_decorators.py
@@ -49,29 +49,54 @@ class TaskRegistry:
     def register_tasks_for_instance(self, instance):
         """为指定实例注册任务"""
         class_name = instance.__class__.__name__
+        registered_count = 0
         
         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)
+                # 使用schedule库注册任务
+                self._register_with_schedule(instance, method, task)
+                registered_count += 1
+        
+        LOG.info(f"为 {class_name} 注册了 {registered_count} 个定时任务")
+        return registered_count
+    
+    def _register_with_schedule(self, instance, method, task):
+        """使用schedule库注册任务"""
+        import schedule
+        
+        cron = task["cron"]
+        name = task["name"]
+        LOG.info(f"使用schedule注册任务: {name}, cron: {cron}")
+        
+        # 解析cron表达式
+        parts = cron.split()
+        if len(parts) < 5:
+            LOG.error(f"无效的cron表达式: {cron}")
+            return
+            
+        minute, hour, day, month, weekday = parts[:5]
+        
+        # 处理简单的情况
+        if minute == "*/1" and hour == "*" and day == "*" and month == "*" and weekday == "*":
+            # 每分钟执行
+            LOG.info(f"设置每分钟执行任务: {name}")
+            schedule.every(1).minutes.do(method)
+        elif minute.isdigit() and hour.isdigit() and day == "*" and month == "*":
+            # 每天固定时间执行
+            time_str = f"{hour.zfill(2)}:{minute.zfill(2)}"
+            LOG.info(f"设置每天 {time_str} 执行任务: {name}")
+            schedule.every().day.at(time_str).do(method)
+        else:
+            LOG.warning(f"不支持的cron表达式: {cron}，将使用onEveryTime方法")
+            # 尝试使用onEveryTime方法
+            if hasattr(instance, 'onEveryTime'):
+                if minute.isdigit() and hour.isdigit():
+                    time_str = f"{hour.zfill(2)}:{minute.zfill(2)}"
+                    LOG.info(f"使用onEveryTime注册任务: {name}, 时间: {time_str}")
+                    instance.onEveryTime(time_str, method)
     
     def scan_for_instances(self):
         """扫描已加载的模块，查找所有已创建的类实例"""