[backend] fix: 修复异常处理和类型转换问题

frontend/node_modules/for-each/index.d.ts

@@ -0,0 +1,35 @@
+declare function forEach<O extends readonly unknown[], This = undefined>(
+    arr: O,
+    callback: (this: This | void, value: O[number], index: number, array: O) => void,
+    thisArg?: This,
+): void;
+
+declare function forEach<O extends ArrayLike<unknown>, This = undefined>(
+    arr: O,
+    callback: (this: This | void, value: O[number], index: number, array: O) => void,
+    thisArg?: This,
+): void;
+
+declare function forEach<O extends object, This = undefined>(
+    obj: O,
+    callback: (this: This | void, value: O[keyof O], key: keyof O, obj: O) => void,
+    thisArg?: This,
+): void;
+
+declare function forEach<O extends string, This = undefined>(
+    str: O,
+    callback: (this: This | void, value: O[number], index: number, str: O) => void,
+    thisArg: This,
+): void;
+
+export = forEach;
+
+declare function forEachInternal<O, C extends (this: This | void, value: unknown, index: PropertyKey, obj: O) => void, This = undefined>(
+	value: O,
+	callback: C,
+	thisArg?: This,
+): void;
+
+declare namespace forEach {
+	export type _internal = typeof forEachInternal;
+}