diff --git a/application/install/controller/Index.php b/application/install/controller/Index.php
index 0eede32..05561ff 100644
--- a/application/install/controller/Index.php
+++ b/application/install/controller/Index.php
@@ -4,25 +4,103 @@ namespace app\install\controller;
 use think\Controller;
 
 class Index extends Controller {
-    public function index() {
+    public function index(){
         session('step', 1);
         session('error', false);
         return $this->fetch();
     }
 
     public function step2(){
-        if($this->request->isAjax()){
-            if(session('error')){
-                $this->error('环境检测没有通过，请调整环境后重试！');
-            }else{
-                $this->success('恭喜您环境检测通过', url('step3'));
+        if( $this->request->isPost() ){
+            $data = $this->request->post();
+            if( empty($data['db']['DB_HOST']) ){
+                $data['db']['DB_HOST'] = '127.0.0.1';
             }
+            if( empty($data['db']['DB_NAME']) ){
+                $this->error('数据库名称不能为空');
+            }
+            if( empty($data['db']['DB_USER']) ){
+                $this->error('数据库用户名不能为空');
+            }
+            if( empty($data['db']['DB_PWD']) ){
+                $this->error('数据库密码不能为空');
+            }
+            if( empty($data['db']['DB_PORT']) ){
+                if( $data['db']['DB_TYPE'] == 0 ){
+                    $data['db']['DB_PORT'] = 3306;
+                }else{
+                    $data['db']['DB_PORT'] = 27017;
+                }
+            }
+            if( $data['cache']['type'] != 0 ){
+                if( empty($data['cache']['ip']) ){
+                    $data['cache']['ip'] = '127.0.0.1';
+                }
+                if( empty($data['cache']['port']) ){
+                    $data['cache']['ip'] = 6379;
+                }
+            }
+            if( empty($data['admin']['name']) ){
+                $this->error('管理员账号不能为空');
+            }
+            if( empty($data['admin']['pass']) ){
+                $this->error('管理员密码不能为空');
+            }
+            session('step', 2);
+            session('dbConfig', $data['db']);
+            session('cacheConfig', $data['cache']);
+            session('adminConfig', $data['admin']);
+            session('isCover', $data['cover']);
+            $this->success('参数正确开始安装', url('step3'));
         }else{
-            $step = 1;
+            $step = session('step');
             if($step != 1){
-                $this->error("请按顺序安装", url('step1'));
+                $this->error("请按顺序安装", url('index'));
             }else{
-                session('step', 2);
+                session('error', false);
+                return $this->fetch();
+            }
+        }
+    }
+
+    public function step3(){
+        $step = session('step');
+        if( $step != 2){
+            $this->error("请按顺序安装", url('index'));
+        }else{
+//            session('step', 3);
+            session('error', false);
+            $dbConfig = session('dbConfig');
+            $cacheConfig = session('cacheConfig');
+            $adminConfig = session('adminConfig');
+            $isCover = session('isCover');
+            //环境检测
+            $this->assign('checkEnv', checkEnv());
+            //目录文件读写检测
+            $this->assign('checkDirFile', checkDirFile());
+
+            if( $dbConfig['DB_TYPE'] == 0 ){
+                $this->assign('checkDB', checkMySQL());
+            }else{
+                $this->assign('checkDB', checkMongoDB());
+            }
+            if( $cacheConfig['type'] != 0 ){
+                $this->assign('checkCache', checkRedis());
+            }
+            $this->assign('checkOther', checkOther());
+            return $this->fetch();
+        }
+    }
+
+    public function step4(){
+        if(session('error')){
+            $this->error('环境检测没有通过，请调整环境后重试！', url('step3'));
+        }else{
+            $step = session('step');
+            if( $step != 3){
+                $this->error("请按顺序安装", url('index'));
+            }else{
+                session('step', 4);
                 session('error', false);
 
                 //环境检测
@@ -38,4 +116,5 @@ class Index extends Controller {
             }
         }
     }
+
 }
diff --git a/application/install/view/index/index.html b/application/install/view/index/index.html
index 2d7bdfe..9b15457 100644
--- a/application/install/view/index/index.html
+++ b/application/install/view/index/index.html
@@ -2,8 +2,8 @@
 {block name="title"}系统安装Step1{/block}
 {block name="nav"}
 <li class="active"><a href="javascript:;">安装协议</a></li>
-<li><a href="javascript:;">环境检测</a></li>
 <li><a href="javascript:;">参数设置</a></li>
+<li><a href="javascript:;">环境检测</a></li>
 <li><a href="javascript:;">开始安装</a></li>
 <li><a href="javascript:;">安装完成</a></li>
 {/block}
diff --git a/application/install/view/index/step3.html b/application/install/view/index/step3.html
new file mode 100644
index 0000000..831a54a
--- /dev/null
+++ b/application/install/view/index/step3.html
@@ -0,0 +1,111 @@
+{extend name="public/base" /}
+{block name="title"}系统安装Step3{/block}
+{block name="nav"}
+<li><a href="javascript:;">安装协议</a></li>
+<li><a href="javascript:;">参数设置</a></li>
+<li class="active"><a href="javascript:;">环境检测</a></li>
+<li><a href="javascript:;">开始安装</a></li>
+<li><a href="javascript:;">安装完成</a></li>
+{/block}
+{block name="main"}
+<div class="panel panel-default">
+    <div class="panel-heading">{:config('PRODUCT_NAME')} 环境检测</div>
+    <div class="panel-body" style="font-size: 14px">
+        <table class="table table-hover">
+            <caption><h4>运行环境检查</h4></caption>
+            <thead>
+            <tr>
+                <th>项目</th>
+                <th>所需配置</th>
+                <th>当前配置</th>
+            </tr>
+            </thead>
+            <tbody>
+            {volist name="checkEnv" id="item"}
+                <tr>
+                    <td>{$item['title']}</td>
+                    <td>{$item['limit']}</td>
+                    <td><i class="{$item['icon']}"></i> {$item['current']}</td>
+                </tr>
+            {/volist}
+            </tbody>
+        </table>
+        <table class="table table-hover">
+            <caption><h4>目录、文件权限检查</h4></caption>
+            <thead>
+            <tr>
+                <th>目录/文件</th>
+                <th>所需状态</th>
+                <th>当前状态</th>
+            </tr>
+            </thead>
+            <tbody>
+            {volist name="checkDirFile" id="item"}
+                <tr>
+                    <td>{$item['path']}</td>
+                    <td>可写</td>
+                    <td><i class="{$item['icon']}"></i> {$item['title']}</td>
+                </tr>
+            {/volist}
+            </tbody>
+        </table>
+        <table class="table table-hover">
+            <caption><h4>数据库依赖检测</h4></caption>
+            <thead>
+            <tr>
+                <th>名称</th>
+                <th>检查结果</th>
+            </tr>
+            </thead>
+            <tbody>
+            {volist name="checkDB" id="item"}
+            <tr>
+                <td>{$item['name']}</td>
+                <td><i class="{$item['icon']}"></i> {$item['title']}</td>
+            </tr>
+            {/volist}
+            </tbody>
+        </table>
+        {if condition="isset($checkCache)"}
+        <table class="table table-hover">
+            <caption><h4>缓存依赖检测</h4></caption>
+            <thead>
+            <tr>
+                <th>名称</th>
+                <th>检查结果</th>
+            </tr>
+            </thead>
+            <tbody>
+            {volist name="checkCache" id="item"}
+            <tr>
+                <td>{$item['name']}</td>
+                <td><i class="{$item['icon']}"></i> {$item['title']}</td>
+            </tr>
+            {/volist}
+            </tbody>
+        </table>
+        {/if}
+        <table class="table table-hover">
+            <caption><h4>函数及扩展依赖性检查</h4></caption>
+            <thead>
+            <tr>
+                <th>名称</th>
+                <th>检查结果</th>
+            </tr>
+            </thead>
+            <tbody>
+            {volist name="checkOther" id="item"}
+                <tr>
+                    <td>{$item['name']}</td>
+                    <td><i class="{$item['icon']}"></i> {$item['title']}</td>
+                </tr>
+            {/volist}
+            </tbody>
+        </table>
+        <form action="{:url('step3')}" id="form-setup">
+        <a type="button" target-form="form-setup" class="ajax-post redirect btn btn-primary btn-block">下一步</a>
+        <a type="button" href="{:url('step2')}" class="btn btn-default btn-block">上一步</a>
+        </form>
+    </div>
+</div>
+{/block}
\ No newline at end of file
diff --git a/application/install/view/public/jump.html b/application/install/view/public/jump.html
new file mode 100644
index 0000000..7460f53
--- /dev/null
+++ b/application/install/view/public/jump.html
@@ -0,0 +1,63 @@
+{__NOLAYOUT__}
+<!doctype html>
+<html lang="zh">
+<head>
+    <meta charset="UTF-8">
+    <title>ApiAdmin - 跳转提示</title>
+    <script src="__PLUGIN__/jQuery/3.1.1/jquery.min.js"></script>
+    <link href="//cdn.bootcss.com/semantic-ui/2.2.6/semantic.min.css" rel="stylesheet">
+    <script src="//cdn.bootcss.com/semantic-ui/2.2.6/semantic.js"></script>
+    <link rel="icon" href="__IMG__/favicon.ico">
+</head>
+<body>
+
+<div class="ui card" style="text-align:center;width:40%;position: fixed;top: 20%;left: 30%">
+    <?php switch ($code) {?>
+    <?php case 1:?>
+    <div class="ui green inverted segment" style="margin: 0px;">
+        <i class="ui smile icon massive"></i>
+    </div>
+    <?php break;?>
+    <?php case 0:?>
+    <div class="ui red inverted segment" style="margin: 0px;">
+        <i class="ui frown icon massive"></i>
+    </div>
+    <?php break;?>
+    <?php } ?>
+    <div class="content" style="line-height: 2em">
+        <?php if(isset($msg)) {?>
+        <span class="header"><?php echo(strip_tags($msg));?></span>
+        <?php }else{?>
+        <span class="header"><?php echo($error); ?></span>
+        <?php }?>
+        <div class="meta">
+            将在<span id="left"><?php echo($wait); ?></span>S后自动跳转
+        </div>
+    </div>
+    <span style="display: none" id="href"><?php echo($url); ?></span>
+    <div class="ui bottom attached indicating progress" id="amanege-bar">
+        <div class="bar"></div>
+    </div>
+</div>
+</body>
+<script type="text/javascript">
+    (function(){
+        var wait = 0,left = $('#left').text();
+        var href = $('#href').text();
+        var each = 100/left;
+        var interval = setInterval(function(){
+            wait = wait + each;
+            left = left - 1;
+            if(wait > 100) {
+                location.href = href;
+                clearInterval(interval);
+                return ;
+            }
+            $('#left').text(left);
+            $('#amanege-bar').progress({
+                percent: wait
+            });
+        }, 1000);
+    })();
+</script>
+</html>
\ No newline at end of file