diff --git a/admin/ajax.php b/admin/ajax.php
index fab7ec6..70027dc 100644
--- a/admin/ajax.php
+++ b/admin/ajax.php
@@ -34,17 +34,20 @@ if ($_GET['mod'] === 'login'){
     if ($verification !== true) {
         die(json_encode(array('code' => '-88', 'msg' => '请先进行人机验证')));
     }
-    if (!$result = $db->select_first_row('sq_admin','*',array('username'=>$_POST['username'],'password'=>md5($_POST['password'])),'AND')){
-        //$db->insert_back_id('sq_log_system',array('time'=>time(),'ip'=>get_real_ip(),'msg'=>'管理员 '.$_POST['username'].'使用密码'.$_POST['password'].'登陆失败：密码错误或账号不存在','type'=>'danger'));
-        $db->posterror('管理员登录尝试失败，账号['.$_POST['username'].']密码['.$_POST['password'].']','success');
+    // P0-05: 按用户名取出后用 PHP 校验（兼容新 bcrypt / 旧 md5），成功即写回 bcrypt（惰性迁移）；
+    // 失败日志不再记录明文密码（原 posterror 会把密码写入 sq_log_system）
+    $result = $db->select_first_row('sq_admin','*',array('username'=>$_POST['username']),'AND');
+    if (!$result || !wq_verify_password($_POST['password'], $result['password'], 'md5')){
+        $db->posterror('管理员登录尝试失败，账号['.$_POST['username'].']','danger');
         die(json_encode(array('code' => -3, 'msg' => '输入的账号密码错误！'.$db->geterror())));
     }else{
         $_SESSION['admin_username'] = $_POST['username'];
         $_SESSION['admin_id'] = $result['ID'];
         $_SESSION['admin_qq'] = $result['qq'];
-        $_SESSION['admin_password'] = md5($_POST['password']);
+        $newhash = wq_hash_password($_POST['password']);
+        $_SESSION['admin_password'] = $newhash;
         $_SESSION['admin_HTTP_USER_AGENT'] = $_SERVER['HTTP_USER_AGENT'];
-        $db->update('sq_admin',array('username'=>$_SESSION['admin_username']),'AND',array('loginip'=>get_real_ip(),'logintime'=>time()));
+        $db->update('sq_admin',array('ID'=>$result['ID']),'AND',array('password'=>$newhash,'loginip'=>get_real_ip(),'logintime'=>time()));
        // $db->insert_back_id('sq_log_system',array('time'=>time(),'ip'=>get_real_ip(),'msg'=>'['.get_real_ip().']管理员 '.$_POST['username'].'使用密码登陆成功！','type'=>'success'));
         $db->posterror('管理员 '.$_POST['username'].'使用密码登录后台成功','success');
         die(json_encode(array('code' => '1', 'msg' => '登陆成功，正在跳转！')));
@@ -491,6 +494,11 @@ switch ($_GET['mod']){
 
         }
 
+        // P0-05: 用户密码改密以 bcrypt 哈希入库
+        if ($_POST['mod'] == 'password') {
+            $_POST['value'] = wq_hash_password($_POST['value']);
+        }
+
         if (!$db->update('sq_user',array('ID'=>$_POST['userid']),'AND',array($_POST['mod']=>$_POST['value']))){
             die('修改失败'.$db->geterror());
         }else{
@@ -624,7 +632,7 @@ switch ($_GET['mod']){
         if ($db->select_first_row('sq_agent','*',array('username'=>$_POST['agent_name']),'AND') != false){
             die('该代理账号已经存在，请尝试其他用户名');
         }
-        if(!$db->insert_back_id('sq_agent',array('username'=>$_POST['agent_name'],'password'=>$_POST['agent_pass'],'money'=>$_POST['agent_money'],'levelid'=>$_POST['agent_leval'],'begintime'=>time(),'status'=>'1','loginip'=>'-','qq'=>$_POST['agent_qq']))){
+        if(!$db->insert_back_id('sq_agent',array('username'=>$_POST['agent_name'],'password'=>wq_hash_password($_POST['agent_pass']),'money'=>$_POST['agent_money'],'levelid'=>$_POST['agent_leval'],'begintime'=>time(),'status'=>'1','loginip'=>'-','qq'=>$_POST['agent_qq']))){
             die('添加失败：'.$db->geterror());
         }else{
             die('代理添加成功！');
@@ -674,11 +682,12 @@ switch ($_GET['mod']){
         break;
     case 'getagentinfo':
         $result = $db->select_first_row('sq_agent','*',array('ID'=>$_POST['id']),'AND');
+        // P0-05: 不再把密码（哈希或明文）回传前端；密码修改走 changeagent 单独入口
         die(json_encode(array(
             'agent_leval'=>$result['levelid'],
             'agent_money'=>$result['money'],
             'agent_name'=>$result['username'],
-            'agent_pass'=>$result['password']
+            'agent_pass'=>'********'
 
         )));
         break;
@@ -695,6 +704,8 @@ switch ($_GET['mod']){
             die('代理ID不能为空');
         }
         if ($_POST['mod'] == 'status') $_POST['value'] = textbooltonum($_POST['value']);
+        // P0-05: 代理密码统一以 bcrypt 哈希入库
+        if ($_POST['mod'] == 'password') $_POST['value'] = wq_hash_password($_POST['value']);
         if (!$db->update('sq_agent',array('ID'=>$_POST['aid']),'AND',array($_POST['mod']=>$_POST['value']))){
             die('修改失败'.$db->geterror());
         }else{
@@ -762,7 +773,7 @@ switch ($_GET['mod']){
         if (empty($_POST['addusername']) || empty($_POST['adduserpass']) || empty($_POST['adduserqq'])){
             die('数据不能为空，请检查');
         }
-        $db->insert_back_id('sq_admin',array('username'=>$_POST['addusername'],'password'=>md5($_POST['adduserpass']),'qq'=>$_POST['adduserqq']));
+        $db->insert_back_id('sq_admin',array('username'=>$_POST['addusername'],'password'=>wq_hash_password($_POST['adduserpass']),'qq'=>$_POST['adduserqq']));
         die('管理员新增成功，如果需要删除请进数据库中的表sq_admin进行删除');
         break;
     case 'sendtestmail':
@@ -1050,11 +1061,12 @@ switch ($_GET['mod']){
         if (!$agentinfo = $db->select_first_row('sq_admin','*',array('username'=>$_SESSION['admin_username']),'AND')){
             die('管理员信息获取失败');
         }
-        if (md5($_POST['oldpass']) !== $agentinfo['password']){
+        // P0-05: 兼容校验旧 md5 / 新 bcrypt；新密码以 bcrypt 入库
+        if (!wq_verify_password($_POST['oldpass'], $agentinfo['password'], 'md5')){
             die('输入的原密码错误，无法修改！');
         }
 
-        if(!$db->update('sq_admin',array('username'=>$_SESSION['admin_username']),'AND',array('password'=>md5($_POST['newpass'])))){
+        if(!$db->update('sq_admin',array('username'=>$_SESSION['admin_username']),'AND',array('password'=>wq_hash_password($_POST['newpass'])))){
             die('密码修改失败，服务器内部发生错误');
         }else{
             die('管理密码修改成功，请使用新密码进行登录！');
diff --git a/agent/ajax.php b/agent/ajax.php
index eceb95e..7af053a 100644
--- a/agent/ajax.php
+++ b/agent/ajax.php
@@ -12,8 +12,9 @@ if ($_GET['mod'] === 'login') {
         if (!$result = $db->select_first_row('sq_agent', '*', array('accesstoken' => $_POST['token']), 'AND')) {
             die(json_encode(array('code' => '-1', 'msg' => '秘钥错误')));
         } else {
-            $_SESSION['agent_username'] = $_POST['username'];
-            $_SESSION['agent_password'] = $_POST['password'];
+            $_SESSION['agent_username'] = $result['username'];
+            // P0-05: 会话持有数据库中的"存储值"（新 bcrypt / 旧明文），与重校验 WHERE password=会话 保持一致
+            $_SESSION['agent_password'] = $result['password'];
             $_SESSION['agent_id'] = $result['ID'];
             $_SESSION['agent_qq'] = $result['qq'];
             $_SESSION['agent_HTTP_USER_AGENT'] = $_SERVER['HTTP_USER_AGENT'];
@@ -35,18 +36,22 @@ if ($_GET['mod'] === 'login') {
         die(json_encode(array('code' => -2, 'msg' => '请输入您的密码')));
     }
 
-    if (!$result = $db->select_first_row('sq_agent', '*', array('username' => $_POST['username'], 'password' => $_POST['password']), 'AND')) {
+    // P0-05: 按用户名取出后用 PHP 校验（兼容新 bcrypt / 旧明文），成功即写回 bcrypt（惰性迁移），
+    // 会话保存"存储值"，保证 checklogin 重校验 WHERE password=会话 始终匹配
+    $result = $db->select_first_row('sq_agent', '*', array('username' => $_POST['username']), 'AND');
+    if (!$result || !wq_verify_password($_POST['password'], $result['password'])) {
         die(json_encode(array('code' => -3, 'msg' => '输入的账号密码错误！' . $db->geterror())));
     } else {
         if ($result['status'] != '1') {
             die(json_encode(array('code' => -4, 'msg' => '代理账号已被冻结，请联系管理员或者上级处理')));
         }
+        $newhash = wq_hash_password($_POST['password']);
         $_SESSION['agent_username'] = $_POST['username'];
-        $_SESSION['agent_password'] = $_POST['password'];
+        $_SESSION['agent_password'] = $newhash;
         $_SESSION['agent_id'] = $result['ID'];
         $_SESSION['agent_qq'] = $result['qq'];
         $_SESSION['agent_HTTP_USER_AGENT'] = $_SERVER['HTTP_USER_AGENT'];
-        $db->update('sq_agent', array('username' => $_SESSION['agent_username']), 'AND', array('loginip' => get_real_ip(), 'logintime' => time()));
+        $db->update('sq_agent', array('ID' => $result['ID']), 'AND', array('password' => $newhash, 'loginip' => get_real_ip(), 'logintime' => time()));
         die(json_encode(array('code' => '1', 'msg' => '登陆成功，正在跳转！')));
     }
 
@@ -296,6 +301,10 @@ switch ($_GET['mod']) {
         if ($_POST['mod'] == 'status') {
             $_POST['value'] = textbooltonum($_POST['value']);
         }
+        // P0-05: 用户密码以 bcrypt 哈希入库
+        if ($_POST['mod'] == 'password') {
+            $_POST['value'] = wq_hash_password($_POST['value']);
+        }
         if ($_POST['mod'] == 'balance') {
             if ($_POST['value'] == '永久使用') {
                 $_POST['value'] = -1;
@@ -309,6 +318,11 @@ switch ($_GET['mod']) {
         }
 
 
+        // P0-05: 用户密码改密以 bcrypt 哈希入库
+        if ($_POST['mod'] == 'password') {
+            $_POST['value'] = wq_hash_password($_POST['value']);
+        }
+
         if (!$db->update('sq_user', array('ID' => $_POST['userid'], 'aid' => $_SESSION['agent_id']), 'AND', array($_POST['mod'] => $_POST['value']))) {
             die('修改失败' . $db->geterror());
         } else {
@@ -436,7 +450,8 @@ switch ($_GET['mod']) {
                 'tradeno' => $tradno,
                 'begintime' => $time,
                 'user' => $_POST['kt_user'],
-                'pass' => $_POST['kt_pass'],
+                // P0-05: 订单中的密码直接以 bcrypt 哈希存库（开通落库点 function_auth 有幂等保护，不会二次哈希）
+                'pass' => wq_hash_password($_POST['kt_pass']),
                 'fid' => $_POST['id'],
                 'num' => $_POST['kt_num'],
                 'paymoney' => $spendmoney,
@@ -819,7 +834,7 @@ switch ($_GET['mod']) {
         if (!$db->update('sq_agent', array('username' => $_SESSION['agent_username']), 'AND', array('money' => $newmoney))) {
             die('系统内部错误，开通失败！');
         } else {
-            if (!$db->insert_back_id('sq_agent', array('username' => $_POST['username'], 'password' => $_POST['pass'], 'qq' => $_POST['qq'], 'begintime' => time(), 'levelid' => $_POST['leval'], 'status' => '1', 'superior' => $_SESSION['agent_id']))) {
+            if (!$db->insert_back_id('sq_agent', array('username' => $_POST['username'], 'password' => wq_hash_password($_POST['pass']), 'qq' => $_POST['qq'], 'begintime' => time(), 'levelid' => $_POST['leval'], 'status' => '1', 'superior' => $_SESSION['agent_id']))) {
                 die('您的余额已扣除但是内部发生错误，下级开通失败，请联系管理员处理！' . $db->geterror());
             } else {
                 $db->insert_back_id('sq_log_agent', array('time' => time(), 'aid' => $_SESSION['agent_id'], 'ip' => get_real_ip(), 'msg' => '成功开通下级代理 ' . $_POST['username']));
@@ -876,6 +891,8 @@ switch ($_GET['mod']) {
         if ($_POST['mod'] != 'username' && $_POST['mod'] != 'password' && $_POST['mod'] != 'qq' && $_POST['mod'] != 'status') die('不支持修改的字段');
 
         if ($_POST['mod'] == 'status') $_POST['value'] = textbooltonum($_POST['value']);
+        // P0-05: 代理密码以 bcrypt 哈希入库
+        if ($_POST['mod'] == 'password') $_POST['value'] = wq_hash_password($_POST['value']);
         if (!$db->update('sq_agent', array('ID' => $_POST['aid'], 'superior' => $_SESSION['agent_id']), 'AND', array($_POST['mod'] => $_POST['value']))) {
             die('修改失败' . $db->geterror());
         } else {
@@ -933,11 +950,12 @@ switch ($_GET['mod']) {
         if (!$agentinfo = $db->select_first_row('sq_agent', '*', array('username' => $_SESSION['agent_username']), 'AND')) {
             die('代理信息获取失败');
         }
-        if ($_POST['oldpass'] !== $agentinfo['password']) {
+        // P0-05: 兼容校验旧明文 / 新 bcrypt；新密码以 bcrypt 入库
+        if (!wq_verify_password($_POST['oldpass'], $agentinfo['password'])) {
             die('输入的原密码错误，无法修改！');
         }
 
-        if (!$db->update('sq_agent', array('username' => $_SESSION['agent_username']), 'AND', array('password' => $_POST['newpass']))) {
+        if (!$db->update('sq_agent', array('username' => $_SESSION['agent_username']), 'AND', array('password' => wq_hash_password($_POST['newpass'])))) {
             die('密码修改失败，服务器内部发生错误');
         } else {
             die('代理密码修改成功，请使用新密码进行登录！');
diff --git a/ajax.php b/ajax.php
index c87c0e0..9121a92 100644
--- a/ajax.php
+++ b/ajax.php
@@ -317,7 +317,8 @@ function dofill() {
             'tradeno' => $tradno,
             'begintime' => $time,
             'user' => $_POST['username'],
-            'pass' => $_POST['password'],
+            // P0-05: 订单密码以 bcrypt 哈希入库（开通落库点 function_auth/trade.inc 有幂等保护）
+            'pass' => wq_hash_password($_POST['password']),
             'fid' => $_POST['lid'],
             'num' => 1,
             'paymoney' => $money,
@@ -376,7 +377,8 @@ function dofill() {
             if (!$userinfo = $db->select_first_row('sq_user', '*', array('username' => $_POST['kt_user'], 'appid' => $fidinfo['appid']), 'AND')) {
 
             } else {
-                if ($_POST['kt_pass'] !== $userinfo['password']) {
+                // P0-05: 兼容旧明文 / 新 bcrypt 校验续费用户密码
+                if (!wq_verify_password($_POST['kt_pass'], $userinfo['password'])) {
                     die(json_encode(array('code' => -2, 'msg' => '您的用户名已开通，您需要输入的正确密码才能进行续费，当前输入的用户密码错误！')));
                 }
             }
@@ -385,7 +387,7 @@ function dofill() {
                 'tradeno' => $tradno,
                 'begintime' => $time,
                 'user' => $_POST['kt_user'],
-                'pass' => $_POST['kt_pass'],
+                'pass' => wq_hash_password($_POST['kt_pass']),
                 'fid' => $_POST['id'],
                 'num' => $_POST['kt_num'],
                 'paymoney' => $spendmoney,
@@ -770,7 +772,8 @@ function buy_submit(id,type) {
             if (!$userinfo = $db->select_first_row('sq_user', '*', array('username' => $_POST['kt_user'], 'appid' => $fidinfo['appid']), 'AND')) {
 
             } else {
-                if ($_POST['kt_pass'] !== $userinfo['password']) {
+                // P0-05: 兼容旧明文 / 新 bcrypt 校验
+                if (!wq_verify_password($_POST['kt_pass'], $userinfo['password'])) {
                     die(json_encode(array('code' => -2, 'msg' => '用户密码错误！')));
                 }
             }
@@ -778,7 +781,7 @@ function buy_submit(id,type) {
             $newtrade = array('name' => $fidinfo['fidname'],
                 'begintime' => $time,
                 'user' => $_POST['kt_user'],
-                'pass' => $_POST['kt_pass'],
+                'pass' => wq_hash_password($_POST['kt_pass']),
                 'fid' => $_POST['id'],
                 'mail' => $_POST['kt_mail'],
                 'kami' => $_POST['kt_key'],
@@ -999,9 +1002,15 @@ function buy_submit(id,type) {
             if (empty($_POST['kt_user']) || empty($_POST['kt_pass'])){
                 die(makejson(-2,'请输入您的登录信息'));
             }
-            if (!$userinfo = $db->select_first_row('sq_user','ID,sendtime,mail',array('username'=>$_POST['kt_user'],'password'=>$_POST['kt_pass'],'appid'=>$appid),'AND')){
+            // P0-05: 先按用户名+应用取出，再在 PHP 中校验密码（兼容旧明文 / 新 bcrypt），
+            // 校验成功且为旧明文时惰性升级为 bcrypt
+            if (!$userinfo = $db->select_first_row('sq_user','ID,sendtime,mail,password',array('username'=>$_POST['kt_user'],'appid'=>$appid),'AND')
+                || !wq_verify_password($_POST['kt_pass'], $userinfo['password'])){
                 die(makejson(-3,'未查询到您的授权信息！<br>请检查您输入的账号密码是否正确！'));
             }
+            if (!wq_is_hashed_password($userinfo['password'])){
+                $db->update('sq_user',array('ID'=>$userinfo['ID']),'AND',array('password'=>wq_hash_password($_POST['kt_pass'])));
+            }
         }else if ($appinfo['logintype'] === 'kmsq'){
             if (empty($_POST['kt_user'])){
                 die(makejson(-2,'请输入您登录使用的卡密'));
diff --git a/api.php b/api.php
index eb90e72..6ab1433 100644
--- a/api.php
+++ b/api.php
@@ -132,9 +132,13 @@ switch ($_GET['mod']){
             if(!$userinfo = $db->select_first_row('sq_user','*',array('appid'=>$_GET['appid'],'username'=>$postdata['user']),'AND')){
                 backmsg('-1','账号不存在');
             }
-            if ($postdata['pass'] !== $userinfo['password']){
+            // P0-05: 兼容新 bcrypt / 旧明文校验；旧明文校验成功后惰性升级为 bcrypt
+            if (!wq_verify_password($postdata['pass'], $userinfo['password'])){
                 backmsg('-2','您输入的密码错误');
             }
+            if (!wq_is_hashed_password($userinfo['password'])){
+                $db->update('sq_user',array('ID'=>$userinfo['ID']),'AND',array('password'=>wq_hash_password($postdata['pass'])));
+            }
         }else if ($appinfo['logintype'] == 'kmsq'){
             if(!$userinfo = $db->select_first_row('sq_user','*',array('appid'=>$_GET['appid'],'username'=>$postdata['user']),'AND')){
                 backmsg('-1','授权卡密不存在');
@@ -276,7 +280,8 @@ switch ($_GET['mod']){
             backmsg('-13','验证码已过期，请尝试重新获取');
         }
 
-        $db->update('sq_user',array('ID'=>$userinfo['ID']),'AND',array('password'=>$postdata['newpass']));
+        // P0-05: 新密码以 bcrypt 哈希入库
+        $db->update('sq_user',array('ID'=>$userinfo['ID']),'AND',array('password'=>wq_hash_password($postdata['newpass'])));
         backmsg('1');
         break;
     case 'SubscriberDownline':
@@ -337,8 +342,11 @@ switch ($_GET['mod']){
         if (time()-$userinfo['sendtime'] < 60){
             backmsg('-1','邮件发送过于频繁，请耐心等待'.(time()-$userinfo['sendtime']).'秒后发送');
         }
-        $db->update('sq_user',array('ID'=>$userinfo['ID']),'AND',array('sendtime'=>time()));
-        sendemail('找回密码 - '.$appinfo['appname'],'['.$userinfo['username'].']您的密码为：'.$userinfo['password'],$userinfo['mail']);
+        // P0-05: 密码已以 bcrypt 哈希入库，原明文不再可取出，也禁止邮件外发。
+        // 改为"重置为一次性随机新密码，仅通过用户本人邮箱投递一次"
+        $newpass = bin2hex(random_bytes(6));
+        $db->update('sq_user',array('ID'=>$userinfo['ID']),'AND',array('password'=>wq_hash_password($newpass),'sendtime'=>time()));
+        sendemail('密码重置 - '.$appinfo['appname'],'['.$userinfo['username'].']您的密码已重置，新密码为：'.$newpass.'，请立即登录并尽快修改密码。',$userinfo['mail']);
         backmsg('1');
         break;
 
@@ -361,9 +369,13 @@ function getuserinfo($appinfo,$postdata){
         if(!$userinfo = $db->select_first_row('sq_user','*',array('appid'=>$_GET['appid'],'username'=>$postdata['user']),'AND')){
             backmsg('-1','账号不存在');
         }
-        if ($postdata['pass'] !== $userinfo['password']){
+        // P0-05: 兼容新 bcrypt / 旧明文校验；旧明文校验成功后惰性升级为 bcrypt
+        if (!wq_verify_password($postdata['pass'], $userinfo['password'])){
             backmsg('-2','您输入的密码错误');
         }
+        if (!wq_is_hashed_password($userinfo['password'])){
+            $db->update('sq_user',array('ID'=>$userinfo['ID']),'AND',array('password'=>wq_hash_password($postdata['pass'])));
+        }
     }else if ($appinfo['logintype'] == 'kmsq'){
         if(!$userinfo = $db->select_first_row('sq_user','*',array('appid'=>$_GET['appid'],'username'=>$postdata['user']),'AND')){
             backmsg('-1','授权卡密不存在');
diff --git a/api/Communication.php b/api/Communication.php
index 66e72a2..296092c 100644
--- a/api/Communication.php
+++ b/api/Communication.php
@@ -50,7 +50,11 @@ if ($data['mod'] === 'Login'){
 
         if (!$userinfo = $db->select_first_row('sq_user', '*', array('appid' => $_GET['appid'], 'username' => $data['user']), 'AND')) $communication->back(-204,'ErrorUsername');
 
-        if ($data['pass'] !== $userinfo['password']) $communication->back(-205,'ErrorPassword');
+        // P0-05: 兼容旧明文 / 新 bcrypt 校验用户密码；旧明文校验成功后惰性升级为 bcrypt
+        if (!wq_verify_password($data['pass'], $userinfo['password'])) $communication->back(-205,'ErrorPassword');
+        if (!wq_is_hashed_password($userinfo['password'])) {
+            $db->update('sq_user', array('ID' => $userinfo['ID']), 'AND', array('password' => wq_hash_password($data['pass'])));
+        }
 
     } else if ($appinfo['logintype'] == 'kmsq') {
         if (empty($data['user'])) $communication->back(-211,'NoKami');
diff --git a/function/communication.php b/function/communication.php
index 46cfbd1..039be87 100644
--- a/function/communication.php
+++ b/function/communication.php
@@ -51,7 +51,11 @@ if ($data['mod'] === 'Login'){
 
         if (!$userinfo = $db->select_first_row('sq_user', '*', array('appid' => $_GET['appid'], 'username' => $data['user']), 'AND')) $communication->back(-204,'ErrorUsername');
 
-        if ($data['pass'] !== $userinfo['password']) $communication->back(-205,'ErrorPassword');
+        // P0-05: 兼容旧明文 / 新 bcrypt 校验用户密码；旧明文校验成功后惰性升级为 bcrypt
+        if (!wq_verify_password($data['pass'], $userinfo['password'])) $communication->back(-205,'ErrorPassword');
+        if (!wq_is_hashed_password($userinfo['password'])) {
+            $db->update('sq_user', array('ID' => $userinfo['ID']), 'AND', array('password' => wq_hash_password($data['pass'])));
+        }
 
     } else if ($appinfo['logintype'] == 'kmsq') {
         if (empty($data['user'])) $communication->back(-211,'NoKami');
diff --git a/function/function_auth.php b/function/function_auth.php
index 83549ad..2dbade2 100644
--- a/function/function_auth.php
+++ b/function/function_auth.php
@@ -23,9 +23,16 @@
  * @return int 1为新开成功，2为续费成功，3为卡密新开成功
  */
 function auth_add($username,$password,$ip,$balance,$uqq,$mail,$appid,$origin,$oid,$aid,&$newkey,&$tips,$tradeinfo = array()){
+    include_once __DIR__ . '/function_core.php';
     include_once __DIR__ . '/function_app.php';
     global $db,$G,$MailTips;
 
+    // P0-05: 密码以 bcrypt 哈希入库。幂等保护：若上游（订单创建点）已哈希则原样保留，
+    // 旧格式明文订单（升级前产生）在此处补哈希
+    if (!wq_is_hashed_password($password)) {
+        $password = wq_hash_password($password);
+    }
+
 
     $appinfo = app_idgetinfo($appid);
     if ($appinfo['usetype']=='dqsj'){
diff --git a/function/function_core.php b/function/function_core.php
index bd41838..550adf9 100644
--- a/function/function_core.php
+++ b/function/function_core.php
@@ -211,6 +211,46 @@ function updateset($name, $value)
     $G['config'][$name] = $value;
 }
 
+/* ---------- P0-05：密码哈希（bcrypt）与旧格式兼容 ---------- */
+
+/**
+ * 判断存储的密码值是否为新 bcrypt 哈希
+ */
+function wq_is_hashed_password($stored)
+{
+    return is_string($stored) && strlen($stored) === 60 && strpos($stored, '$2y$') === 0;
+}
+
+/**
+ * 生成新密码的入库值（bcrypt）
+ */
+function wq_hash_password($plain)
+{
+    return password_hash((string)$plain, PASSWORD_BCRYPT);
+}
+
+/**
+ * 校验密码（兼容旧格式）：
+ * - 存储值为 bcrypt        -> password_verify
+ * - 旧 sq_admin（md5 存储）-> $legacy='md5'，与 md5(明文) 比对
+ * - 旧 sq_user/sq_agent（明文存储）-> 直接比对
+ * @param string $plain  明文密码
+ * @param string $stored 数据库存储值
+ * @param string $legacy 'plain'（用户/代理旧格式）或 'md5'（管理员旧格式）
+ */
+function wq_verify_password($plain, $stored, $legacy = 'plain')
+{
+    $plain = (string)$plain;
+    $stored = (string)$stored;
+    if (wq_is_hashed_password($stored)) {
+        return password_verify($plain, $stored);
+    }
+    if ($legacy === 'md5') {
+        return hash_equals($stored, md5($plain));
+    }
+    return hash_equals($stored, $plain);
+}
+
 
 /*
  * 布尔逻辑型转换为数字0或1
diff --git a/function/trade.inc.php b/function/trade.inc.php
index a78c632..2cca7df 100644
--- a/function/trade.inc.php
+++ b/function/trade.inc.php
@@ -81,6 +81,11 @@ function trade_do($tradeinfo){
     }
     if ($tradeinfo['type'] == '4') {
         $nowtime = Get_Date();
+        // P0-05: 代理密码以 bcrypt 哈希入库。幂等保护：订单创建点已哈希则原样保留，
+        // 旧格式明文订单（升级前产生）在此处补哈希
+        if (!wq_is_hashed_password($tradeinfo['pass'])) {
+            $tradeinfo['pass'] = wq_hash_password($tradeinfo['pass']);
+        }
         $db->insert_back_id('sq_agent', array('username' => $tradeinfo['user'], 'password' => $tradeinfo['pass'], 'begintime' => time(), 'levelid' => $tradeinfo['fid'], 'status' => 1, 'qq' => $tradeinfo['uqq']));
         $T['title'] = '您的代理已成功开通！';
         $T['content'][] = 'QQ：'.$tradeinfo['uqq'];
diff --git a/wenquan_auth.sql b/wenquan_auth.sql
index 6476abf..217a99f 100644
--- a/wenquan_auth.sql
+++ b/wenquan_auth.sql
@@ -31,7 +31,7 @@ SET time_zone = "+00:00";
 CREATE TABLE `sq_admin` (
   `ID` int(11) NOT NULL,
   `username` varchar(255) NOT NULL,
-  `password` varchar(33) NOT NULL,
+  `password` varchar(255) NOT NULL,
   `loginip` varchar(20) NOT NULL,
   `logintime` int(11) NOT NULL,
   `qq` varchar(12) NOT NULL,