fix: msg不允许为空

wl

2022-12-23 b680856aa7a5c7225fae1ea81f2706f10437f373

 src/main/java/com/example/jz/controller/GroupUserController.java

@@ -83,4 +83,3 @@
        return success(this.groupUserService.removeByIds(idList));
    }
}