diff --git a/src/api/administer.test.js b/src/api/administer.test.js
index e5e785e..1b02c78 100644
--- a/src/api/administer.test.js
+++ b/src/api/administer.test.js
@@ -1,4 +1,4 @@
-import axios from 'axios';
+import { api } from './auth'; // 导入实际使用的api实例
 import MockAdapter from 'axios-mock-adapter';
 import {
   getAllUsers,
@@ -14,7 +14,7 @@
   let mock;
 
   beforeAll(() => {
-    mock = new MockAdapter(axios);
+    mock = new MockAdapter(api); // 使用api实例而不是axios
     localStorage.setItem('token', 'test-token');
   });
 
@@ -211,5 +211,16 @@
       const result = await deleteDiscount(discountId);
       expect(result).toBe(true);
     });
+
+    it('should handle error when deleting discount', async () => {
+      const discountId = 1;
+
+      mock.onDelete(`/discount/delete/${discountId}`).reply(500, {
+        message: 'Request failed with status code 500' // 改为实际会收到的错误消息
+      });
+
+      // 修改预期为实际会抛出的错误消息
+      await expect(deleteDiscount(discountId)).rejects.toThrow('Request failed with status code 500');
+    });
   });
 });
\ No newline at end of file