修复迁移后错误

wwjcloud/src/common/upgrade/services/core/CoreUpgradeService.ts

@@ -21,20 +21,20 @@ export class CoreUpgradeService extends BaseService<Upgrade> {
     return this.upgradeRepository.findOne({ where: { upgrade_id } });
   }
 
-  async create(dto: any) {
+  async create(dto: any): Promise<Upgrade> {
     const upgrade = this.upgradeRepository.create(dto);
     const saved = await this.upgradeRepository.save(upgrade);
-    return saved;
+    return Array.isArray(saved) ? saved[0] : saved;
   }
 
   async update(upgrade_id: number, dto: any) {
     const result = await this.upgradeRepository.update(upgrade_id, dto);
-    return result.affected > 0;
+    return (result.affected || 0) > 0;
   }
 
   async delete(upgrade_id: number) {
     const result = await this.upgradeRepository.delete(upgrade_id);
-    return result.affected > 0;
+    return (result.affected || 0) > 0;
   }
 
   async execute(upgrade_id: number) {