fix：修复图形资源空指针异常

龚焕茏

2024-09-03 123cf89ee4b76d1355b5bb9eaf70538c5264f18c

 ycl-server/src/main/java/com/ycl/platform/service/RegionService.java

@@ -68,4 +68,10 @@
     * @return
     */
    Result counties();

    /**
     * 级联选择
     * @return
     */
    Result cascader();
}