fix(备份域名): 修复code2session的备份域名逻辑，支持配置多个备份域名列表 (#73)

build/module/requestHandler.d.ts

@@ -2,9 +2,11 @@ import { IRequestOption, IUploadFileOption } from "../interface";
 declare function format(originUrl: string): string;
 declare function request<TResp>(obj: IRequestOption): Promise<TResp>;
 declare function uploadFile(obj: IUploadFileOption): any;
+declare function enableBackupDomain(url?: string): void;
 declare const _default: {
     format: typeof format;
     request: typeof request;
     uploadFile: typeof uploadFile;
+    enableBackupDomain: typeof enableBackupDomain;
 };
 export default _default;