fix: [tasks] 修复时间问题

isc_video_record/tasks.py

@@ -118,6 +118,9 @@ class Tasks:
                 else:
                     offline_count += 1
                 collect_time = status['time']
+                if isinstance(collect_time, str):
+                    collect_time = datetime.strptime(
+                        collect_time, '%Y-%m-%dT%H:%M:%S.%fZ')
 
         mobiles = None
         if online_count <= 3: