diff --git a/pages/API/unicloud/unicloud/cloud-object.test.js b/pages/API/unicloud/unicloud/cloud-object.test.js
index ec731d2015ef2eb00f0c7676f063e4a85baa1eaf..fe6f5ed2ded2a24b4db9e8a14d29d28ae8f0e16e 100644
--- a/pages/API/unicloud/unicloud/cloud-object.test.js
+++ b/pages/API/unicloud/unicloud/cloud-object.test.js
@@ -34,6 +34,7 @@ describe('unicloud-import-object', () => {
     expect(genericDemoReturnTodoTitle).toBe(todoTitle)
     expect(genericDemoReturnTodoContent).toBe(todoContent)
     expect(failErrCode).toBe('TEST_ERROR_CODE')
+    expect(failErrSubject).toBe('fail')
     expect(failErrDetailTips).toBe('DO_NOT_TRY_AGAIN')
     expect(failNumberErrCode).toBe(-1)
     expect(successErrCode).toBe(0)
diff --git a/pages/API/unicloud/unicloud/cloud-object.uvue b/pages/API/unicloud/unicloud/cloud-object.uvue
index b3abf026c3018fcb324eee8c304a946c70f11f7b..37f1c7143cf2749c8c36f3bfc7939732bc4eda09 100644
--- a/pages/API/unicloud/unicloud/cloud-object.uvue
+++ b/pages/API/unicloud/unicloud/cloud-object.uvue
@@ -46,6 +46,7 @@
         genericDemoReturnTodoTitle: '',
         genericDemoReturnTodoContent: '',
         failErrCode: '',
+        failErrSubject: '',
         failErrDetailTips: '',
         failNumberErrCode: 0,
         successErrCode: -1,
@@ -124,6 +125,7 @@
         }).catch((err : any | null) => {
           const error = err as UniCloudError
           this.failErrCode = error.errCode as string
+          this.failErrSubject = error.errSubject as string
           const detail = error.detail
           if (detail != null && detail['tips'] != null) {
             this.failErrDetailTips = detail['tips'] as string
diff --git a/uniCloud-aliyun/cloudfunctions/todo/index.obj.js b/uniCloud-aliyun/cloudfunctions/todo/index.obj.js
index 93b40955881e84bdb0eafec45d23ae939527fe96..65bf500a2f4e53e0032960ec5d051bb36aeb0dc6 100644
--- a/uniCloud-aliyun/cloudfunctions/todo/index.obj.js
+++ b/uniCloud-aliyun/cloudfunctions/todo/index.obj.js
@@ -14,6 +14,7 @@ module.exports = {
     console.log(random);
     if (random > 0.5) {
       return {
+        errSubject: 'randomFail',
         errCode: 'RANDOM_FAIL',
         errMsg: '[预期内的报错]执行失败请重试'
       }
@@ -27,6 +28,7 @@ module.exports = {
   },
   async fail() {
     return {
+      errSubject: 'fail',
       errCode: 'TEST_ERROR_CODE',
       errMsg: '[预期内的报错]执行失败',
       tips: 'DO_NOT_TRY_AGAIN'