diff --git a/index.js b/index.js
index f13bbc5..7dc8825 100644
--- a/index.js
+++ b/index.js
@@ -147,10 +147,10 @@ module.exports = {
         .catch((error) => { // {errMsg, stack} = error
           if (/request:fail/.test(error.errMsg)) { 
             // 后台云服务无法连接
-            return { result: { _state: 'CLIENT_BACKEND_BROKEN' } }
-          } else {  
+            result = { _state: 'CLIENT_BACKEND_BROKEN', error }
+          } else {
             // 后台云服务返回异常
-            return { result: { _state: 'CLIENT_BACKEND_EXCEPTION', error } }
+            result = { _state: 'CLIENT_BACKEND_EXCEPTION', error }
           }
         })
       result = resultCloud
@@ -170,10 +170,10 @@ module.exports = {
       if (error) {
         if (error.errMsg === 'request:fail') {
           // 后台服务器无法连接
-          result = { _state: 'CLIENT_BACKEND_BROKEN' }
+          result = { _state: 'CLIENT_BACKEND_BROKEN', error }
         } else if (error.errMsg === 'request:fail timeout') {
           // 后台服务器超时
-          result = { _state: 'CLIENT_BACKEND_TIMEOUT' }
+          result = { _state: 'CLIENT_BACKEND_TIMEOUT', error }
         } else {
           // 后台服务器返回异常
           result = { _state: 'CLIENT_BACKEND_EXCEPTION', error }