code review by fei.hong : do fixes bug to home page show user vip info grade

@@ -54,7 +54,7 @@ class GradeModel
                 //当vip等级升至顶级时，进度条满格
                 $result['vipGrade']['percent'] = 100;
             } else {
-                $result['vipGrade']['percent'] = 100 * (round($data['grade']['current_total_cost'] / $data['grade']['next_need_cost'], 2));
+                $result['vipGrade']['percent'] = 100 * (round($data['grade']['current_year_cost'] / $data['grade']['next_need_cost'], 2));
             }
 
             //距离升级所需消费金额