diff --git a/app/install/controller/Index.php b/app/install/controller/Index.php
index 5e2295f..f6aa85b 100644
--- a/app/install/controller/Index.php
+++ b/app/install/controller/Index.php
@@ -78,6 +78,7 @@ class Index
             // 验证失败 输出错误信息
             return to_assign(1, $e->getError());
         }
+        $dbName = $data['DB_NAME'];
         // 连接数据库
         $link = @new mysqli("{$data['DB_HOST']}:{$data['DB_PORT']}", $data['DB_USER'], $data['DB_PWD']);
         // 获取错误信息
@@ -88,15 +89,17 @@ class Index
             return to_assign(1, '数据库链接失败:' . $error);die;
         }
         // 设置字符集
-        $link->query("SET NAMES 'utf8'");
+        $link->query("SET NAMES 'utf8mb4'");
         if ($link->server_info < 5.0) {
             return to_assign(1, '请将您的mysql升级到5.0以上');die;
         }
         // 创建数据库并选中
-        if (!$link->select_db($data['DB_NAME'])) {
-            return to_assign(1, '未找到数据库' . $data['DB_NAME'] . ',请先自行创建数据库');die;
+        if (!$link->select_db($dbName)) {
+            //创建数据库
+            $sql    = "CREATE DATABASE IF NOT EXISTS `{$dbName}` DEFAULT CHARACTER SET utf8mb4";
+            $link->query($sql);
         }
-        $link->select_db($data['DB_NAME']);
+        $link->select_db($dbName);
         // 导入sql数据并创建表
         $fqcms_sql = file_get_contents(CMS_ROOT . '/app/install/data/gougucms.sql');
         $sql_array = preg_split("/;[\r\n]+/", str_replace("cms_", $data['DB_PREFIX'], $fqcms_sql));
@@ -105,10 +108,13 @@ class Index
                 $link->query($v);
             }
         }
-
+        $isTable = $link->query('SHOW TABLES LIKE "'.$data['DB_PREFIX'] . 'admin"');
+        if(!$isTable){
+            return to_assign(1, '创建数据库表失败，请检查是否有创建权限！');
+        }
         //插入管理员信息
-        $username = get_params('username');
-        $password = get_params('password');
+        $username = $data['username'];
+        $password = $data['password'];
         $nickname = '超级管理员';
         $thumb = '/static/admin/images/icon.png';
         $salt = set_salt(20);
@@ -121,7 +127,7 @@ class Index
             . "VALUES "
             . "('$username','$password','$nickname','$thumb','$salt','$create_time','$update_time')";
         if (!$link->query($create_admin_sql)) {
-            return to_assign(1, '创建管理员信息失败');
+            return to_assign(1, '创建管理员信息失败，请重试安装');
         }
         $link->close();
         $db_str = "<?php
diff --git a/app/install/view/index/step1.html b/app/install/view/index/step1.html
index b6dfd30..72fb48d 100644
--- a/app/install/view/index/step1.html
+++ b/app/install/view/index/step1.html
@@ -12,13 +12,10 @@
 		body {
 			width: 100%;
 			height: 100%;
-			background: url("/themes/admin_themes/lib/cms/images/bg.jpg");
 			background-size: cover;
 			background: url("/static/admin/images/bg_pattern.png"), #7b4397;
 			background: url("/static/admin/images/bg_pattern.png"), -webkit-linear-gradient(to left, #34a853, #4285f4);
-			/* Chrome 10-25, Safari 5.1-6 */
 			background: url("/static/admin/images/bg_pattern.png"), linear-gradient(to left, #34a853, #4285f4);
-			/* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
 		}
 	</style>
 </head>
@@ -34,7 +31,7 @@
 				</ul>
 			</div>
 			<div style="padding:20px; background-color:#fff;line-height: 27px; border-radius:0 0 6px 6px">
-				<p>勾股CMS是一套基于ThinkPHP{$TP_VERSION} + Layui{:LAYUI_VERSION} + MySql打造的轻量级、高性能快速建站的内容管理系统。后台管理模块，一目了然，操作简单，通用型后台权限管理框架，紧随潮流、开箱即用，让WEB开发更简单！<br><br>
+				<p>勾股CMS是一套基于ThinkPHP{$TP_VERSION} + Layui{:LAYUI_VERSION} + MySql打造的轻量级、高性能快速建站的内容管理系统，通用型后台权限管理框架，开箱即用，让WEB开发更简单！<br><br>
 					<strong>开源协议：</strong><br>
 					本系统遵循Apache Lisense 2.0开源协议发布，并提供免费使用。<br>
 					Apache Licence是著名的非盈利开源组织Apache采用的协议。该协议和BSD类似，鼓励代码共享和尊重原作者的著作权，允许代码修改，再作为开源或商业软件发布。需要满足的条件：<br>
diff --git a/app/install/view/index/step2.html b/app/install/view/index/step2.html
index 8f4c6c4..b58e274 100644
--- a/app/install/view/index/step2.html
+++ b/app/install/view/index/step2.html
@@ -12,13 +12,10 @@
 		body {
 			width: 100%;
 			height: 100%;
-			background: url("/themes/admin_themes/lib/cms/images/bg.jpg");
 			background-size: cover;
 			background: url("/static/admin/images/bg_pattern.png"), #7b4397;
 			background: url("/static/admin/images/bg_pattern.png"), -webkit-linear-gradient(to left, #34a853, #4285f4);
-			/* Chrome 10-25, Safari 5.1-6 */
 			background: url("/static/admin/images/bg_pattern.png"), linear-gradient(to left, #34a853, #4285f4);
-			/* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
 		}
 	</style>
 </head>
diff --git a/app/install/view/index/step3.html b/app/install/view/index/step3.html
index f425f66..74698a0 100644
--- a/app/install/view/index/step3.html
+++ b/app/install/view/index/step3.html
@@ -12,19 +12,16 @@
 		body {
 			width: 100%;
 			height: 100%;
-			background: url("{__IMG__}/bg.jpg");
 			background-size: cover;
-			background: url("{__IMG__}/bg_pattern.png"), #7b4397;
-			background: url("{__IMG__}/bg_pattern.png"), -webkit-linear-gradient(to left, #34a853, #4285f4);
-			/* Chrome 10-25, Safari 5.1-6 */
-			background: url("{__IMG__}/bg_pattern.png"), linear-gradient(to left, #34a853, #4285f4);
-			/* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
+			background: url("/static/admin/images/bg_pattern.png"), #7b4397;
+			background: url("/static/admin/images/bg_pattern.png"), -webkit-linear-gradient(to left, #34a853, #4285f4);
+			background: url("/static/admin/images/bg_pattern.png"), linear-gradient(to left, #34a853, #4285f4);
 		}
 	</style>
 </head>
 
 <body>
-	<div style="width:200px;margin: 20px auto;"><img src="{__IMG__}/login_logo.png" alt="勾股CMS安装"
+	<div style="width:200px;margin: 20px auto;"><img src="/static/admin/images/login_logo.png" alt="勾股CMS安装"
 			width="200"></div>
 	<div style="width:888px;margin:0 auto 30px;">
 		<div class="layui-layout layui-layout-admin">
@@ -65,9 +62,9 @@
 						<label class="layui-form-label">数据库名</label>
 						<div class="layui-input-inline">
 							<input type="text" name="DB_NAME" required lay-verify="required" autocomplete="off"
-								class="layui-input" value="" lay-reqText="请输入数据库名">
+								class="layui-input" value="gougucms" lay-reqText="请输入数据库名">
 						</div>
-						<div class="layui-form-mid layui-word-aux">系统数据库名,必须包含字母,不能有"-"等特殊符号</div>
+						<div class="layui-form-mid layui-word-aux">系统数据库名,必须包含字母,不能有"-"等特殊符号，最好是小写字母</div>
 					</div>
 					<div class="layui-form-item">
 						<label class="layui-form-label">用户名</label>
@@ -86,7 +83,7 @@
 						<div class="layui-form-mid layui-word-aux">连接数据库的密码</div>
 					</div>
 					<div class="layui-form-item">
-						<label class="layui-form-label">表前缀</label>
+						<label class="layui-form-label">数据表前缀</label>
 						<div class="layui-input-inline">
 							<input type="text" name="DB_PREFIX" required lay-verify="required" autocomplete="off"
 								class="layui-input" value="cms_" lay-reqText="请输入数据库表前缀">
@@ -95,7 +92,7 @@
 					</div>
 
 					<hr>
-					<h3>管理员配置</h3><br>
+					<h3>创始人信息</h3><br>
 					<div class="layui-form-item">
 						<label class="layui-form-label">管理员账号</label>
 						<div class="layui-input-block" style="max-width: 500px;">
diff --git a/config/database.php b/config/database.php
index 4ce2b09..15d29cf 100644
--- a/config/database.php
+++ b/config/database.php
@@ -18,7 +18,7 @@ return [
             // 服务器地址
             'hostname'           =>  '127.0.0.1',
             // 数据库名
-            'database'           =>  'cms',
+            'database'           =>  'gougucms',
             // 用户名
             'username'           =>  'root',
             // 密码