diff --git a/advisor/heuristic.go b/advisor/heuristic.go
index e03ef1145a8ab7702630cd55f79f4d2ef1cc4e7d..e781ac1306682b61be789240078a82434f52a5fc 100644
--- a/advisor/heuristic.go
+++ b/advisor/heuristic.go
@@ -376,7 +376,7 @@ func timeFormatCheck(t string) bool {
 	// 不允许为空，但允许时间前后有空格
 	t = strings.TrimSpace(t)
 	// 仅允许 数字、减号、冒号、空格
-	allowChars := regexp.MustCompile(`^[\-0-9: ]+$`)
+	allowChars := regexp.MustCompile(`^[\-0-9:. ]+$`)
 	return allowChars.MatchString(t)
 }
 
diff --git a/advisor/heuristic_test.go b/advisor/heuristic_test.go
index 78b3943ae52d201ff3460da8db894bcec4aeabb6..bbe3517100e60f35fb4fcff78522f47a827af940 100644
--- a/advisor/heuristic_test.go
+++ b/advisor/heuristic_test.go
@@ -156,6 +156,9 @@ func TestRuleEqualLike(t *testing.T) {
 func TestTimeFormatError(t *testing.T) {
 	rightTimes := []string{
 		`2020-01-01`,
+		`2020-01-01 23:59:59`,
+		`2020-01-01 23:59:59.0`,   // 0ms
+		`2020-01-01 23:59:59.123`, // 123ms
 	}
 	for _, rt := range rightTimes {
 		if !timeFormatCheck(rt) {