diff --git a/src/controllers/AvatarFileController.ts b/src/controllers/AvatarFileController.ts
new file mode 100644
index 0000000..9137e45
--- /dev/null
+++ b/src/controllers/AvatarFileController.ts
@@ -0,0 +1,46 @@
+import {
+  Controller,
+  Route,
+  Security,
+  Tags,
+  Body,
+  Path,
+  Post,
+  SuccessResponse,
+  Response,
+} from "tsoa";
+import HttpSuccess from "../interfaces/http-success";
+import HttpStatusCode from "../interfaces/http-status";
+import { duplicateAvatarFile } from "../services/minio";
+
+@Route("api/v1/salary/file/avatar")
+@Tags("Avatar")
+@Security("bearerAuth")
+@Response(
+  HttpStatusCode.INTERNAL_SERVER_ERROR,
+  "เกิดข้อผิดพลาด ไม่สามารถแสดงรายการได้ กรุณาลองใหม่ในภายหลัง",
+)
+@SuccessResponse(HttpStatusCode.OK, "สำเร็จ")
+export class AvatarFileController extends Controller {
+
+  /**
+   * API duplicate avatar file
+   *
+   * @summary API duplicate avatar file 
+   *
+   * @param {string} refId  objectRefId ไฟล์รูปภาพเดิมก่อนจะทำซ้ำเพื่อสร้างใหม่เป็นรูปภาพในทะเบียนประวัติ
+   */
+  @Post("{refId}")
+  @SuccessResponse(200, "Success")
+  public async duplicateAvatarFile(
+    @Path() refId: string,
+    @Body()
+    body: {
+      prefix: string,
+      fileName: string,
+    }
+  ) {
+    await duplicateAvatarFile(refId, body.prefix, body.fileName);
+    return new HttpSuccess();
+  }
+}
diff --git a/src/services/minio.ts b/src/services/minio.ts
index d98ce53..48bd91f 100644
--- a/src/services/minio.ts
+++ b/src/services/minio.ts
@@ -145,4 +145,18 @@ export async function s3DownloadFile(...pathname: string[]) {
   };
 }
 
+export async function duplicateAvatarFile(refId: string, prefix: string, fileName: string) {
+   try {
+    await minio.statObject(MINIO_BUCKET, refId);
+    const avatar = `${prefix}/${fileName}`;
+    await minio.copyObject(
+      MINIO_BUCKET,
+      avatar,
+      `/${MINIO_BUCKET}/${refId}`
+    );
+  } catch (error) {
+    exception(error);
+  }
+}
+
 export const fileLocation = (...path: string[]) => path.join("/");