diff --git a/app/mix/service/apiservice.go b/app/mix/service/apiservice.go
index 388cfce7..579501bd 100644
--- a/app/mix/service/apiservice.go
+++ b/app/mix/service/apiservice.go
@@ -3660,8 +3660,8 @@ func (s *Service) ApiCreateRavenIQTest(ctx *gin.Context, req *Raven_IQ_testproto
 	IQLowerBound := float64(IQResultMpcfg.Map[IQBlockId].IQLowerBound)
 	IQUpperBound := float64(IQResultMpcfg.Map[IQBlockId].IQUpperBound)
 	IQ := int64(math.Ceil(float64(totalScore-totalScoreLowerBound)/float64(totalScoreUpperBound-totalScoreLowerBound)*(IQUpperBound-IQLowerBound) + IQLowerBound))
-	if IQ == 0 {
-		IQ = IQResultMpcfg.Map[IQBlockId].IQLowerBound
+	if IQ < 70 {
+		IQ = 70
 	}
 	req.IQ = goproto.Int64(IQ)