[backend] fix: 修复异常处理和类型转换问题

frontend/node_modules/rc-cascader/lib/hooks/useEntities.d.ts

@@ -0,0 +1,10 @@
+import type { DefaultOptionType, InternalFieldNames } from '../Cascader';
+import type { DataEntity } from 'rc-tree/lib/interface';
+export interface OptionsInfo {
+    keyEntities: Record<string, DataEntity>;
+    pathKeyEntities: Record<string, DataEntity>;
+}
+export type GetEntities = () => OptionsInfo['pathKeyEntities'];
+/** Lazy parse options data into conduct-able info to avoid perf issue in single mode */
+declare const _default: (options: DefaultOptionType[], fieldNames: InternalFieldNames) => GetEntities;
+export default _default;