1

src/main/java/com/fdkankan/tk/service/impl/RoomUserServiceImpl.java

@@ -117,10 +117,12 @@ public class RoomUserServiceImpl extends ServiceImpl<IRoomUserMapper, RoomUser>
 
     @Override
     public void delByUserNameList(List<String> delUserName,String roomId) {
-        LambdaQueryWrapper<RoomUser> wrapper = new LambdaQueryWrapper<>();
-        wrapper.eq(RoomUser::getRoomId,roomId);
-        wrapper.in(RoomUser::getUserName,delUserName);
-        this.remove(wrapper);
+        if(delUserName.size() >0){
+            LambdaQueryWrapper<RoomUser> wrapper = new LambdaQueryWrapper<>();
+            wrapper.eq(RoomUser::getRoomId,roomId);
+            wrapper.in(RoomUser::getUserName,delUserName);
+            this.remove(wrapper);
+        }
     }
 
     @Override