diff --git a/business/auth2/auth2.go b/business/auth2/auth2.go
index e27703c7c..e672e1c56 100644
--- a/business/auth2/auth2.go
+++ b/business/auth2/auth2.go
@@ -78,7 +78,7 @@ var (
 	}
 	authTypeGuesserMap = map[string]*regexp.Regexp{
 		AuthTypeEmail:  regexp.MustCompile(`^[A-Za-z0-9_\-\.]+\@[A-Za-z0-9_\-]+(\.[A-Za-z]+){1,5}$`),
-		AuthTypeMobile: regexp.MustCompile(`^1[34578]\d{9}$`),
+		AuthTypeMobile: regexp.MustCompile(`^1[345789]\d{9}$`),
 	}
 )