diff --git a/api/service/QuestionQa.go b/api/service/QuestionQa.go
index bb7720b..e965939 100644
--- a/api/service/QuestionQa.go
+++ b/api/service/QuestionQa.go
@@ -484,7 +484,11 @@ func (r *QuestionQaService) PutQuestionQa(qaId int64, req requests.PutQuestionQa
 
 			if len(questions) < item.Quantity {
 				tx.Rollback()
-				return false, errors.New("选题超出现有题目数量")
+				if len(notQuestionIds) > 0 {
+					return false, errors.New("因不允许重复选题超出现有题目数量")
+				} else {
+					return false, errors.New("选题超出现有题目数量")
+				}
 			}
 
 			for _, question := range questions {