修复下载单文件订阅

back/services/system.ts

@@ -24,7 +24,7 @@ import {
 import { NotificationInfo } from '../data/notify';
 import {
   AuthDataType,
-  AuthInfo,
+  SystemInfo,
   SystemInstance,
   SystemModel,
   SystemModelInfo,
@@ -47,18 +47,21 @@ export default class SystemService {
 
   public async getSystemConfig() {
     const doc = await this.getDb({ type: AuthDataType.systemConfig });
-    return doc || ({} as SystemInstance);
+    return doc;
   }
 
-  private async updateAuthDb(payload: AuthInfo): Promise<SystemInstance> {
+  private async updateAuthDb(payload: SystemInfo): Promise<SystemInfo> {
     await SystemModel.upsert({ ...payload });
     const doc = await this.getDb({ type: payload.type });
     return doc;
   }
 
-  public async getDb(query: any): Promise<SystemInstance> {
-    const doc: any = await SystemModel.findOne({ where: { ...query } });
-    return doc && doc.get({ plain: true });
+  public async getDb(query: any): Promise<SystemInfo> {
+    const doc = await SystemModel.findOne({ where: { ...query } });
+    if (!doc) {
+      throw new Error(`${JSON.stringify(query)} not found`);
+    }
+    return doc.get({ plain: true });
   }
 
   public async updateNotificationMode(notificationInfo: NotificationInfo) {