diff --git a/expression/builtin_time.go b/expression/builtin_time.go
index a34f9b3611c4b..fee6572518205 100644
--- a/expression/builtin_time.go
+++ b/expression/builtin_time.go
@@ -6643,7 +6643,7 @@ func CalAppropriateTime(minTime, maxTime, minSafeTime time.Time) time.Time {
 //     and with it, a read request won't fail because it's bigger than the latest SafeTS.
 func calAppropriateTime(minTime, maxTime, minSafeTime time.Time) time.Time {
 	if minSafeTime.Before(minTime) || minSafeTime.After(maxTime) {
-		logutil.BgLogger().Warn("calAppropriateTime",
+		logutil.BgLogger().Debug("calAppropriateTime",
 			zap.Time("minTime", minTime),
 			zap.Time("maxTime", maxTime),
 			zap.Time("minSafeTime", minSafeTime))