diff --git a/ad_tasks.py b/ad_tasks.py
index fd848ea..dca1313 100644
--- a/ad_tasks.py
+++ b/ad_tasks.py
@@ -170,13 +170,14 @@ def send_cache_data():
                 id, gameid, channelid, locationids, status = line
                 for locationid in locationids.replace("[", "").replace("]", "").replace('"', "").split(','):
                     area_all = get_area_by_locationid(locationid)
-                    for area in area_all.split(','):
-                        key = f"ad::{gameid}_{locationid}::{channelid}::{area}::{locationid}"
-                        values = f"{id}_{locationid}"
-                        if my_redis.sismember(key, values):
-                            my_redis.srem(key, values)
-                            my_redis.expire(f"adinfo::{values}::info", 1)
-                            log.info(f"remove {id} from {key} success!")
+                    if area_all:
+                        for area in area_all.split(','):
+                            key = f"ad::{gameid}_{locationid}::{channelid}::{area}::{locationid}"
+                            values = f"{id}_{locationid}"
+                            if my_redis.sismember(key, values):
+                                my_redis.srem(key, values)
+                                my_redis.expire(f"adinfo::{values}::info", 1)
+                                log.info(f"remove {id} from {key} success!")
             except Exception:
                 log.error("拆解过期数据出错!", exc_info=True)