修改教程：
1、找到 loginauth.php 文件
路径如下：根目录/admin/views/login.php ，打开并替换成如下代码：
<?php if(!defined('EMLOG_ROOT')) {exit('error!');} require(EMLOG_ROOT.'/admin/views/template_language.php'); if($language==1){ require(EMLOG_ROOT.'/admin/views/assets/en.php'); }else{ require(EMLOG_ROOT.'/admin/views/assets/cn.php'); } ?> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0"> <title><?php echo $loginus ?></title> <script type="text/javascript" src="./views/js/common.js?v=<?php echo Option::EMLOG_VERSION; ?>"></script> <style> @import "https://at.alicdn.com/t/font_1642210_h4n61pkrfb.css"; *{margin:0;padding:0} button,input{outline:0} a{text-decoration:none} .dj_bg{width:100%;height:100vh;min-height:700px;background:url(http://uqseo.com/admin/views/img/demo2.png);background-size:cover;background-repeat:no-repeat;position:relative} .dj_login{top:46%;left:50%;position:absolute;transform:translate(-50%,-50%);overflow:hidden;box-shadow:0 0 15px rgba(0,138,233,.15);width:920px;height:600px;opacity: 0.8;} .dj_login_left{float:left;width:380px;height:600px;border-radius:10px 0 0 10px;background:url(https://oem.faisys.com/image/version2/login-site-bg.png) center center no-repeat;position:relative;display:flex} .dj_login_left p{margin:0 auto;vertical-align:middle;font-size:40px;font-weight:600;color:#fff;align-self:center} .dj_login_right{float:left;width:540px;height:600px;background:#fff;position:relative;border-radius:0 10px 10px 0} .dj_login_r_con{padding:50px 60px} .dj_login_r_tt{margin:0 0 36px;border-bottom:1px solid #e8e8e8;outline:0} .dj_login_r_tt p{display:inline-block;font-size:20px;padding:20px 16px;color:#40a9ff;font-weight:600;border-bottom:2px solid #1890ff} .dj_login_r_f_kk{margin:0 0 24px;position:relative} .dj_login_r_f_kk input{width:calc(100% - 44px);height:40px;padding-left:40px;color:rgba(0,0,0,.7);font-size:15px;border-radius:4px;border:1px solid #999} .dj_login_r_f_kk .iconfont{position:absolute;top:8px;left:8px;font-size:24px} .dj_login_r_a{text-align:right;font-size:15px} .dj_login_r_a a{color:#999;margin-left:10px;-webkit-transition:all .2s ease;transition:all .2s ease} .dj_login_r_a a:hover,.dj_login_r_index:hover{color:#40a9ff} button{margin:40px 0;padding:10px 0;width:100%;color:#fff;background:#40a9ff;border:0;border-radius:4px;font-size:20px;cursor:pointer} button:hover{background:#8c82fc} .dj_login_r_index{color:#999;font-size:15px} .dj_login_r_p{color:#999;margin-top:40px;text-align:center;font-size:12px} .regs input{width:calc(65% - 44px)} .regs img{margin-left:10px;height:42px} .regs .iconfont{font-size: 18px;top: 12px;left: 12px;} @media screen and (max-width: 768px){ .dj_login{width:92%;padding: calc((100vh - 550px)/2) 4%;position:relative;transform: none;top:0;left:0;height: auto;} .dj_login_left{display:none;height: auto;} .dj_login_right{width:100%;border-radius:10px;height: auto;} .dj_login_r_con{padding:20px 15px} .regs input{width:calc(46% - 44px)} } </style> </head> <body> <div class="dj_bg container"> <div class="dj_login"> <div class="dj_login_left"><p>Welcome</p></div> <div class="dj_login_right"> <div class="dj_login_r_con"> <div class="dj_login_r_tt"><p><?=$loginhead;?></p></div> <form class="form-signin" name="f" method="post" action="./index.php?action=login" onsubmit="return validate(this);"> <div class="login-wrap"> <?php if ($error_msg): ?> <div class="login-error"><?php echo $error_msg; ?></div> <?php endif;?> <div class="dj_login_r_f_kk"> <input type="text" name="user" id="user" class="form-control" placeholder="<?php echo $loginusx ?>" autofocus=""><i class="iconfont icondenglu"></i> </div> <div class="dj_login_r_f_kk"> <input type="password" id="pw" name="pw" class="form-control" placeholder="<?php echo $loginusxx ?>"><i class="iconfont icondenglumima"></i> </div> <?php if($ckcode):?> <div class="dj_login_r_f_kk regs" ><?php echo $ckcode; ?><i class="iconfont iconyanzhengma"></i></div> <?php endif ?> <div class="dj_login_r_a"> <a href="tencent://Message/?Uin=33731790">注册账号</a> <a href="tencent://Message/?Uin=33731790">忘记密码？</a> </div> <button type="submit"><?php echo $regiondr;?></button> </div> </form> <a class="dj_login_r_index" href="//<?=$_SERVER["HTTP_HOST"];?>"><?php echo $rurhome ?></a> <p class="dj_login_r_p">©2021 - <?=$_SERVER['HTTP_HOST'];?> All rights reserved.</p> </div> </div> </div> </div> <script> function validate(){ var user = f.user.value var pw = f.pw.value if(user.trim().length==0){ alert("<?php echo $signuser ?>") f.user.focus() }else if(pw.trim().length==0){ alert("<?php echo $signpw ?>") f.pw.focus() } } focusEle('user'); </script> </body> </html>2、找到loginauth.php 文件
路径：根目录/include/lib/loginauth.php ，打开并修改；
找到 $ckcode ，将第一个 $ckcode = 后面的替换成 如下代码
$ckcode = "<input name=\"imgcode\" id=\"imgcode\" type=\"text\" placeholder=\"验证码\"/><img src=\"../include/lib/checkcode.php\" align=\"absmiddle\">"
效果图：
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