diff --git a/apps/am/tasks.py b/apps/am/tasks.py
index 67374376..a2dd0b2a 100644
--- a/apps/am/tasks.py
+++ b/apps/am/tasks.py
@@ -12,10 +12,16 @@ def cache_areas_info():
     缓存区域信息
     """
     area_list = []
+    is_ok = True
     for i in Area.objects.filter(is_hidden=False).exclude(third_info__xx_rail=None).order_by('number'):
         points = []
         for item in i.third_info['xx_rail']['detail']['polygon']['points']:
+            if 'longitude' not in item:
+                is_ok = False
+                break
             points.append((item['longitude'], item['latitude']))
+        if not is_ok:
+            break
         area_dict = {
             'id': i.id,
             'type': i.type,