diff --git a/api/service/QuestionQa.go b/api/service/QuestionQa.go
index c5a6c3a..e65f061 100644
--- a/api/service/QuestionQa.go
+++ b/api/service/QuestionQa.go
@@ -358,7 +358,7 @@ func (r *QuestionQaService) PutQuestionQa(qaId int64, req requests.PutQuestionQa
 			}
 
 			// 获取随机明细题目
-			questions, err := questionDao.GetQuestionListRand(maps, req.QaQuantity*3)
+			questions, err := questionDao.GetQuestionListRand(maps, item.Quantity)
 			if err != nil {
 				tx.Rollback()
 				return false, err