Saved,由于原有whoisAPI失效，改用WHOIS命令查询，速度更快，但是需要安装whois命令，RHEL下yum install whois即可

app/view/common_head.html

@@ -269,7 +269,7 @@
                                 data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                                 <span class="mr-2 d-none d-lg-inline text-gray-600 small"><?php echo($userinfo->name);?></span>
                                 <img class="img-profile rounded-circle"
-                                    src="<?php echo('https://cravatar.cn/avatar/' . md5(strtolower(trim( $userinfo->email ))));?>">
+                                    src="<?php echo('https://headimg.b-cdn.net/' . md5(strtolower(trim( $userinfo->email ))));?>">
                             </a>
                             <!-- Dropdown - User Information -->
                             <div class="dropdown-menu dropdown-menu-right shadow animated--grow-in"

app/view/user.html

@@ -41,7 +41,7 @@ include('common_head.html');?>
                                         <?php
                                         foreach($user as $us){
                                             $us=json_decode($us);
-                                            $headurl='https://cravatar.cn/avatar/' . md5(strtolower(trim( $us->email )));
+                                            $headurl='https://headimg.b-cdn.net/' . md5(strtolower(trim( $us->email )));
                                             $name='name';
                                             $email='email';
                                             $password='password';