diff --git a/backend/services/identity-service/test/app.e2e-spec.ts b/backend/services/identity-service/test/app.e2e-spec.ts
index fe626ebf..27f7eae7 100644
--- a/backend/services/identity-service/test/app.e2e-spec.ts
+++ b/backend/services/identity-service/test/app.e2e-spec.ts
@@ -236,15 +236,23 @@ describe('Identity Service E2E Tests', () => {
       // 添加5个设备
       for (let i = 0; i < 5; i++) {
         const testDeviceId = `test-device-limit-${Date.now()}-${i}`;
-        await request(app.getHttpServer())
+        const response = await request(app.getHttpServer())
           .post('/api/v1/user/recover-by-mnemonic')
           .send({
             accountSequence,
             mnemonic,
             newDeviceId: testDeviceId,
             deviceName: `设备${i + 1}`,
-          })
-          .expect(201);
+          });
+
+        if (response.status !== 201) {
+          console.log(`Device limit test failed at iteration ${i}:`, {
+            status: response.status,
+            body: response.body
+          });
+        }
+
+        expect(response.status).toBe(201);
       }
 
       // 尝试添加第6个设备，应该失败
@@ -268,9 +276,18 @@ describe('Identity Service E2E Tests', () => {
         .send({
           refreshToken,
           deviceId,
-        })
-        .expect(201);
+        });
 
+      // 调试：打印错误信息
+      if (response.status !== 201) {
+        console.log('Auto-login failed:', {
+          status: response.status,
+          body: response.body,
+          sentData: { refreshToken: refreshToken?.substring(0, 20) + '...', deviceId }
+        });
+      }
+
+      expect(response.status).toBe(201);
       expect(response.body.success).toBe(true);
       expect(response.body.data).toHaveProperty('accessToken');
       expect(response.body.data.accessToken).not.toBe(accessToken);
@@ -376,8 +393,16 @@ describe('Identity Service E2E Tests', () => {
           mnemonic,
           newDeviceId: newDeviceId,
           deviceName: '恢复设备',
-        })
-        .expect(201);
+        });
+
+      if (response.status !== 201) {
+        console.log('Mnemonic recovery failed:', {
+          status: response.status,
+          body: response.body
+        });
+      }
+
+      expect(response.status).toBe(201);
 
       expect(response.body.success).toBe(true);
       expect(response.body.data).toHaveProperty('userId');