Merge branch 'master-bacground-im' into dev

xx-vehicle/xx-vehicle-server/src/main/java/com/xxfc/platform/vehicle/biz/SysRegionBiz.java

@@ -59,7 +59,7 @@ public class SysRegionBiz extends BaseBiz<SysRegionMapper, SysRegion> {
             }
 
         }
-        if(!hasCache){//从db读
+        if(!hasCache && ids != null){//从db读
             rs = mapper.getByIdList(ids);
         }
         return rs;