diff --git a/app/portal/controller/PersonalcenterController.php b/app/portal/controller/PersonalcenterController.php
index e1b1f92..385112c 100644
--- a/app/portal/controller/PersonalcenterController.php
+++ b/app/portal/controller/PersonalcenterController.php
@@ -408,6 +408,9 @@ class PersonalcenterController extends WeChatBaseController{
 
         $balance['balance'] = $balance['balance'] - $balance['balance']*0.006-$tax_money;
         $balance['balance'] = sprintf("%.2f", $balance['balance']);
+        if($balance['balance'] <= 0){
+            $balance['balance'] = 0;
+        }
         $this -> assign('balance',$balance['balance']);
 
         $this -> assign('status',$balance['status']);