diff --git a/plugins/message_push_task/main.py b/plugins/message_push_task/main.py
index 66b62f1..d46cfe9 100644
--- a/plugins/message_push_task/main.py
+++ b/plugins/message_push_task/main.py
@@ -142,13 +142,20 @@ class MessagePushTask(MessagePluginInterface):
                         recurring_time = task.get('recurring_time')
                         if recurring_time:
                             try:
-                                # 处理带秒数的时间格式
-                                time_parts = recurring_time.split(':')
-                                if len(time_parts) == 3:
-                                    hour, minute, second = map(int, time_parts)
+                                # 处理 timedelta 对象
+                                if isinstance(recurring_time, timedelta):
+                                    total_seconds = int(recurring_time.total_seconds())
+                                    hour = total_seconds // 3600
+                                    minute = (total_seconds % 3600) // 60
+                                    second = total_seconds % 60
                                 else:
-                                    hour, minute = map(int, time_parts)
-                                    second = 0
+                                    # 处理字符串格式
+                                    time_parts = str(recurring_time).split(':')
+                                    if len(time_parts) == 3:
+                                        hour, minute, second = map(int, time_parts)
+                                    else:
+                                        hour, minute = map(int, time_parts)
+                                        second = 0
                                     
                                 # 检查当前时间是否在目标时间的前后5秒内
                                 target_time = now.replace(hour=hour, minute=minute, second=second, microsecond=0)