系统安全提示！

app/controller/admin/Index.php

@@ -21,6 +21,12 @@ class Index extends Base {
 	 * @return html [description]
 	 */
 	public function index() {
+		//判断安装文件是否删除
+		$this->data['install_file'] = false;
+		$file = $this->app->getRootPath() . 'public' . DIRECTORY_SEPARATOR . 'install.php';
+		if (is_file($file)) {
+			$this->data['install_file'] = true;
+		}
 		return $this->fetch();
 	}
 

view/admin/index/index.html

@@ -1,6 +1,14 @@
 {extend name="admin/public/base" /}
 {block name="body"}
 <div class="row">
+	{if $install_file}
+	<div class="col-sm-12">
+		<div class="callout callout-danger">
+			<h4>安全提示</h4>
+			<p>安装文件未删除，为了系统安全请删除系统安装文件！</p>
+		</div>
+	</div>
+	{/if}
 	{:hook('AdminIndex')}
 </div>
 {/block}