diff --git a/index.py b/index.py
index 09197b7..84e4958 100644
--- a/index.py
+++ b/index.py
@@ -5,15 +5,36 @@ import config
 from template import load_local_template
 from util import api
 
-load_local_template()
+import os
+import glob
 
+load_local_template()
+import logging
+
+LOGGER = logging.getLogger(__name__)
 
 while True:
     # print(get_sys_info())
     print("waiting for task...")
-    task_list = api.sync_center()
+    try:
+        task_list = api.sync_center()
+    except Exception as e:
+        LOGGER.error("sync_center error", exc_info=e)
+        sleep(5)
+        continue
     if len(task_list) == 0:
+        # 删除当前文件夹下所有以.mp4、.ts结尾的文件
+        for file_globs in ['*.mp4', '*.ts', 'tmp_concat*.txt']:
+            for file_path in glob.glob(file_globs):
+                try:
+                    os.remove(file_path)
+                    print(f"Deleted file: {file_path}")
+                except Exception as e:
+                    LOGGER.error(f"Error deleting file {file_path}", exc_info=e)
         sleep(5)
     for task in task_list:
         print("start task:", task)
-        biz.task.start_task(task)
+        try:
+            biz.task.start_task(task)
+        except Exception as e:
+            LOGGER.error("task_start error", exc_info=e)