fix 500 bug

@@ -131,7 +131,8 @@ const statusMap = {
         value: 3,
         valueStr: '交易完成',
         step: 4,
-        showEditor: true
+        showEditor: true,
+        btns: []
     }
 };
 
@@ -537,6 +538,7 @@ const getOrderDetail = (uid, code) => {
         if (detail.isCancel !== 'Y') {
             detail.steps = _getStepByOrderStatus(st);
 
+            console.log(st);
             statusMap[st].btns.forEach(function(btn) {
                 btns.push(btn);
             });