diff --git a/web/modify.php b/web/modify.php
index c47081b..522c5a1 100644
--- a/web/modify.php
+++ b/web/modify.php
@@ -1,100 +1,105 @@
-<?php 
-	//$cache_time=10;
-	$OJ_CACHE_SHARE=false;
-	//require_once('./include/cache_start.php');
-        require_once('./include/db_info.inc.php');
-	require_once('./include/setlang.php');
-	$view_title= "Welcome To Online Judge";
-	//require_once("./include/check_post_key.php");
-	require_once("./include/my_func.inc.php");
-if(
-		(isset($OJ_EXAM_CONTEST_ID)&&$OJ_EXAM_CONTEST_ID>0)||
-		(isset($OJ_ON_SITE_CONTEST_ID)&&$OJ_ON_SITE_CONTEST_ID>0)
-   ){
-		$view_errors= $MSG_MODIFY_NOT_ALLOWED_FOR_EXAM;
-		require("template/".$OJ_TEMPLATE."/error.php");
-		exit ();
+<?php
+//$cache_time=10;
+$OJ_CACHE_SHARE = false;
+//require_once('./include/cache_start.php');
+require_once('./include/db_info.inc.php');
+require_once('./include/setlang.php');
+$view_title = "Welcome To Online Judge";
+//require_once("./include/check_post_key.php");
+require_once("./include/my_func.inc.php");
+if (
+	(isset($OJ_EXAM_CONTEST_ID) && $OJ_EXAM_CONTEST_ID > 0) ||
+	(isset($OJ_ON_SITE_CONTEST_ID) && $OJ_ON_SITE_CONTEST_ID > 0)
+) {
+	$view_errors = $MSG_MODIFY_NOT_ALLOWED_FOR_EXAM;
+	require("template/" . $OJ_TEMPLATE . "/error.php");
+	exit();
 }
-$err_str="";
-$err_cnt=0;
+$err_str = "";
+$err_cnt = 0;
 $len;
-$user_id=$_SESSION[$OJ_NAME.'_'.'user_id'];
-$email=trim($_POST['email']);
-$school=trim($_POST['school']);
-$nick=trim($_POST['nick']);
-$len=strlen($nick);
-if ($len>100){
-	$err_str=$err_str."Nick Name Too Long!";
+$user_id = $_SESSION[$OJ_NAME . '_' . 'user_id'];
+$email = trim($_POST['email']);
+$school = trim($_POST['school']);
+$nick = trim($_POST['nick']);
+$len = strlen($nick);
+if ($len > 100) {
+	$err_str = $err_str . "Nick Name Too Long!";
 	$err_cnt++;
-}else if ($len==0) $nick=$user_id;
-$password=$_POST['opassword'];
-$sql="SELECT `user_id`,`password` FROM `users` WHERE `user_id`=?";
-$result=pdo_query($sql,$user_id);
- $row=$result[0];
-if ($row && pwCheck($password,$row['password'])) $rows_cnt = 1;
-else $rows_cnt = 0;
+} else if ($len == 0)
+	$nick = $user_id;
+$password = $_POST['opassword'];
+$sql = "SELECT `user_id`,`password` FROM `users` WHERE `user_id`=?";
+$result = pdo_query($sql, $user_id);
+$row = $result[0];
+if ($row && pwCheck($password, $row['password']))
+	$rows_cnt = 1;
+else
+	$rows_cnt = 0;
 
-if ($rows_cnt==0){
-	$err_str=$err_str."Old Password Wrong";
+if ($rows_cnt == 0) {
+	$err_str = $err_str . "Old Password Wrong";
 	$err_cnt++;
 }
-$len=strlen($_POST['npassword']);
-if ($len<6 && $len>0){
+$len = strlen($_POST['npassword']);
+if ($len < 6 && $len > 0) {
 	$err_cnt++;
-	$err_str=$err_str."Password should be Longer than 6!\\n";
-}else if (strcmp($_POST['npassword'],$_POST['rptpassword'])!=0){
-	$err_str=$err_str."Two Passwords Not Same!";
+	$err_str = $err_str . "Password should be Longer than 6!\\n";
+} else if (strcmp($_POST['npassword'], $_POST['rptpassword']) != 0) {
+	$err_str = $err_str . "Two Passwords Not Same!";
 	$err_cnt++;
 }
-$len=strlen($_POST['school']);
-if ($len>100){
-	$err_str=$err_str."School Name Too Long!";
+$len = strlen($_POST['school']);
+if ($len > 100) {
+	$err_str = $err_str . "School Name Too Long!";
 	$err_cnt++;
 }
-$len=strlen($_POST['email']);
-if ($len>100){
-	$err_str=$err_str."Email Too Long!";
+$len = strlen($_POST['email']);
+if ($len > 100) {
+	$err_str = $err_str . "Email Too Long!";
 	$err_cnt++;
 }
 
-if(has_bad_words($user_id)){
-        $err_str=$err_str.$MSG_USER_ID." Too Bad!\\n";
-        $err_cnt++;
+if (has_bad_words($user_id)) {
+	$err_str = $err_str . $MSG_USER_ID . " Too Bad!\\n";
+	$err_cnt++;
 }
-if(has_bad_words($school)){
-        $err_str=$err_str.$MSG_SCHOOL." Too Bad!\\n";
-        $err_cnt++;
+if (has_bad_words($school)) {
+	$err_str = $err_str . $MSG_SCHOOL . " Too Bad!\\n";
+	$err_cnt++;
 }
-if(has_bad_words($nick)){
-        $err_str=$err_str.$MSG_NICK." Too Bad!\\n";
-        $err_cnt++;
+if (has_bad_words($nick)) {
+	$err_str = $err_str . $MSG_NICK . " Too Bad!\\n";
+	$err_cnt++;
 }
-if ($err_cnt>0){
+if ($err_cnt > 0) {
 	print "<script language='javascript'>\n";
 	echo "alert('";
 	echo $err_str;
 	print "');\n history.go(-1);\n</script>";
 	exit(0);
-	
+
 }
-if (strlen($_POST['npassword'])==0) $password=pwGen($_POST['opassword']);
-else $password=pwGen($_POST['npassword']);
-$nick=htmlentities ($nick,ENT_QUOTES,"UTF-8");
-$school=(htmlentities ($school,ENT_QUOTES,"UTF-8"));
-$email=(htmlentities ($email,ENT_QUOTES,"UTF-8"));
-$sql="UPDATE `users` SET"
-."`password`=?,"
-."`nick`=?,"    //删除此行和81行含的,$nick禁用昵称修改
-."`school`=?,"
-."`email`=?"
-."WHERE `user_id`=?"
+if (strlen($_POST['npassword']) == 0)
+	$password = pwGen($_POST['opassword']);
+else
+	$password = pwGen($_POST['npassword']);
+$nick = htmlentities($nick, ENT_QUOTES, "UTF-8");
+$school = (htmlentities($school, ENT_QUOTES, "UTF-8"));
+$email = (htmlentities($email, ENT_QUOTES, "UTF-8"));
+$sql = "UPDATE `users` SET"
+	. "`password`=?,"
+	// . "`nick`=?,"    //删除此行和81行含的,$nick禁用昵称修改
+	. "`school`=?,"
+	. "`email`=?"
+	. "WHERE `user_id`=?"
 ;
 //echo $sql;
 //exit(0);
-pdo_query($sql,$password,$nick,$school,$email,$user_id);
-if($nick!=""){
-	$sql="update solution set nick=? where user_id=?";
-	pdo_query($sql,$nick,$user_id);
-}
+pdo_query($sql, $password, /*$nick,*/ $school, $email, $user_id);
+// if ($nick != "") {
+// 	$sql = "update solution set nick=? where user_id=?";
+// 	pdo_query($sql, $nick, $user_id);
+// }
 header("Location: ./");
-?>
+?>
\ No newline at end of file