diff --git a/upload/static/js/register.js b/upload/static/js/register.js
index 744ef111945d2d3acda71aaed0f983ddcb5ba5a1..cbe6bcdd3adbcc4fba4f7c44f5fc946a73afc631 100644
--- a/upload/static/js/register.js
+++ b/upload/static/js/register.js
@@ -272,7 +272,7 @@ function checkusername(id) {
 	} else {
 		lastusername = username;
 	}
-	if(username.match(/<|"/ig)) {
+	if(username.match(/<|>|"|\(|\)|'/ig)) {
 		errormessage(id, '用户名包含敏感字符');
 		return;
 	}
diff --git a/upload/uc_client/model/user.php b/upload/uc_client/model/user.php
index 9dba257de42af91533ed4b57702cab0f8d05c1c8..8e44df9d9275f54e47bad19cdb720605592cbf72 100644
--- a/upload/uc_client/model/user.php
+++ b/upload/uc_client/model/user.php
@@ -59,7 +59,7 @@ class usermodel {
 		$guestexp .= '|^Guest';
 
 		$len = $this->dstrlen($username);
-		if($len > 15 || $len < 3 || preg_match("/\s+|^c:\\con\\con|[%,\*\"\s\<\>\&]|$guestexp/is", $username)) {
+		if($len > 15 || $len < 3 || preg_match("/\s+|^c:\\con\\con|[%,\*\"\s\<\>\&\(\)']|$guestexp/is", $username)) {
 			return FALSE;
 		} else {
 			return TRUE;
diff --git a/upload/uc_server/model/user.php b/upload/uc_server/model/user.php
index 1ede991eedca4e07bdf6bf05c9373ebb9a151db7..d0464cf914483ab44b4f70784e1c003bec7e4fbe 100644
--- a/upload/uc_server/model/user.php
+++ b/upload/uc_server/model/user.php
@@ -59,7 +59,7 @@ class usermodel {
 		$guestexp .= '|^Guest';
 
 		$len = $this->dstrlen($username);
-		if($len > 15 || $len < 3 || preg_match("/\s+|^c:\\con\\con|[%,\*\"\s\<\>\&]|$guestexp/is", $username)) {
+		if($len > 15 || $len < 3 || preg_match("/\s+|^c:\\con\\con|[%,\*\"\s\<\>\&\(\)']|$guestexp/is", $username)) {
 			return FALSE;
 		} else {
 			return TRUE;