edit

app/shop/lib/Manage.php

@@ -119,7 +119,7 @@ class Manage
             $p_cash = 0;
         }
 
-        return $cash - $p_cash;
+        return round($cash - $p_cash,2);
     }
     # 获取用户信息
     public function user($id, $type = 1)