diff --git a/api/service/QuestionQaItem.go b/api/service/QuestionQaItem.go
index 8d5e2d2..76d16a0 100644
--- a/api/service/QuestionQaItem.go
+++ b/api/service/QuestionQaItem.go
@@ -102,7 +102,7 @@ func (r *QuestionQaItemService) PutQuestionQaItemMust(itemId int64, req requests
 			return false, errors.New("内部错误")
 		}
 
-		if len(questionQaItems) > questionQa.QaQuantity {
+		if len(questionQaItems) >= questionQa.QaQuantity {
 			return false, errors.New("必选题目已超出题库所需数量")
 		}
 	}