diff --git a/README.md b/README.md
index a2a3f7b..a394936 100644
--- a/README.md
+++ b/README.md
@@ -94,9 +94,17 @@ pnpm migration:generate
 ```bash
 pnpm migration:revert
 ```
+4.执行sql覆盖docker中的数据库
+
+```bash
+docker exec -i huaxin-admin-mysql mysql -h 127.0.0.1 -u root -phuaxin123 hxoa < hxoa20240301.sql
+```
 
 更多细节，请移步至[官方文档](https://typeorm.io/migrations)
 
 > [!TIP]
 > 如果你的`实体类`或`数据库配置`有更新，请执行`npm run build`后再进行数据库迁移相关操作。
 
+### 部署
+chmod +x deploy.sh
+./deploy.sh
\ No newline at end of file
diff --git a/src/modules/contract/contract.dto.ts b/src/modules/contract/contract.dto.ts
index 9b4ca8b..a1b7be7 100644
--- a/src/modules/contract/contract.dto.ts
+++ b/src/modules/contract/contract.dto.ts
@@ -54,7 +54,8 @@ export class ContractDto {
 
 export class ContractUpdateDto extends PartialType(ContractDto) {
   @ApiProperty({ description: '附件' })
-  @IsArray({})
+  @IsOptional()
+  @IsArray()
   fileIds: number[];
 }
 export class ContractQueryDto extends IntersectionType(
diff --git a/src/modules/contract/contract.service.ts b/src/modules/contract/contract.service.ts
index 59bcb22..6ff5b66 100644
--- a/src/modules/contract/contract.service.ts
+++ b/src/modules/contract/contract.service.ts
@@ -68,19 +68,21 @@ export class ContractService {
         .leftJoinAndSelect('contract.files', 'files')
         .where('contract.id = :id', { id })
         .getOne();
-      const count = await this.storageRepository
-        .createQueryBuilder('storage')
-        .where('storage.id in(:fileIds)', { fileIds })
-        .getCount();
-      if (count !== fileIds?.length) {
-        throw new BusinessException(ErrorEnum.STORAGE_NOT_FOUND);
+      if (fileIds?.length) {
+        const count = await this.storageRepository
+          .createQueryBuilder('storage')
+          .where('storage.id in(:fileIds)', { fileIds })
+          .getCount();
+        if (count !== fileIds?.length) {
+          throw new BusinessException(ErrorEnum.STORAGE_NOT_FOUND);
+        }
+        // 附件要批量更新
+        await manager
+          .createQueryBuilder()
+          .relation(ContractEntity, 'files')
+          .of(id)
+          .addAndRemove(fileIds, contract.files);
       }
-      // 附件要批量更新
-      await manager
-        .createQueryBuilder()
-        .relation(ContractEntity, 'files')
-        .of(id)
-        .addAndRemove(fileIds, contract.files);
     });
   }