diff --git a/packages/server/src/helpers/aliyun.helper.ts b/packages/server/src/helpers/aliyun.helper.ts
deleted file mode 100644
index fd92fae2..00000000
--- a/packages/server/src/helpers/aliyun.helper.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import { ConfigService } from '@nestjs/config';
-import * as AliyunOSS from 'ali-oss';
-
-export class AliyunOssClient {
-  configService: ConfigService;
-
-  constructor(config) {
-    this.configService = config;
-  }
-
-  private async buildClient() {
-    const config = this.configService.get('oss.aliyun');
-    return new AliyunOSS(config);
-  }
-
-  async putFile(filepath: string, buffer: ReadableStream) {
-    const client = await this.buildClient();
-    const { url } = await client.put(filepath, buffer);
-    return url;
-  }
-
-  async deleteFile(url: string) {
-    const client = await this.buildClient();
-    await client.delete(url);
-  }
-}