diff --git a/user/handler/handler.go b/user/handler/handler.go
index e438a8c..c87d73b 100644
--- a/user/handler/handler.go
+++ b/user/handler/handler.go
@@ -23,7 +23,7 @@ const (
 
 var (
 	alphanum    = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
-	emailFormat = regexp.MustCompile("^[\\w-\\.]+@([\\w-]+\\.)+[\\w-]{2,4}$")
+	emailFormat = regexp.MustCompile("^[\\w-\\.\\+]+@([\\w-]+\\.)+[\\w-]{2,4}$")
 )
 
 func random(i int) string {