提现提交方法优化

@@ -436,7 +436,7 @@ class PersonalcenterController extends WeChatBaseController{
         }
         $tax_money = $my_money_expend/(1-0.006);
         $user_balance['balance'] = $user_balance['balance']-$user_balance['balance']*0.006-$tax_money;
-        if($money_expend > $user_balance['balance'] ){
+        if($money_expend < 1 || $money_expend > $user_balance['balance'] ){
             return false;
         }else{
             $data = Db::name('money_expend') -> insert($_POST);