diff --git a/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java b/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java index 3e827d16..029a19fa 100644 --- a/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java +++ b/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java @@ -1957,7 +1957,7 @@ private VideoController videoController; public TableDataInfo dcDoorOpen(){ startPage(); Map redisCacheCacheMap = redisCache.getCacheMap(DOORSTATUS); - if (redisCacheCacheMap==null){ + if (redisCacheCacheMap==null||redisCacheCacheMap.size()==0){ return getDataTable(Collections.emptyList()); } Set strings = redisCacheCacheMap.keySet();