feat: NG-71: 会员奖金计算调整

frontendApi/modules/v1/controllers/DashboardController.php

@@ -67,7 +67,7 @@ class DashboardController extends BaseController
 
         // 会员Elite级别
         $user = User::findOneAsArray('ID=:ID', [':ID' => \Yii::$app->user->id]);
-        $eliteLv = $user['LAST_ELITE_LV'] ?? EliteLevel::getDefaultLevelId();
+        $eliteLv = $user['LAST_ELITE_LV'] ?: EliteLevel::getDefaultLevelId();
         $eliteLvName = EliteLevel::getNameById($eliteLv);
 
         $curYM = Period::find()->select("CALC_YEAR,CALC_MONTH")->where('PERIOD_NUM=:PERIOD_NUM', [':PERIOD_NUM'=>$periodNum])->asArray()->one();