验证码错误修正，去除演示数据加载功能

.gitignore

@@ -9,7 +9,7 @@ src/install/install_lock.txt
 src/install/index.php.bak
 src/install/index.html
 src/install/module-install.php.bak
-src/a/*
+src/a/*/
 src/uploads/allimg/*
 src/.txt
 src/data/enums/

src/a/.dede

@@ -0,0 +1 @@
+dedecms

src/install/templates/step-5.html

@@ -46,6 +46,10 @@
 			<br />
 			<?php echo $errmsg; ?>
 		</div>
+		<div class="over-link">
+			<a href="../dede" target="_blank">管理后台</a>
+			<a href="../index.php?upcache=1" target="_blank">网站首页</a>
+		</div>
 		<div class="install-msg">
 			或者访问织梦网站:<br />
 		</div>
@@ -53,6 +57,7 @@
 			<a href="http://www.dedecms.com" target="_blank">织梦官方网站</a>
 			<a href="http://bbs.dedecms.com" target="_blank">织梦论坛</a>
 			<a href="http://help.dedecms.com" target="_blank">帮助中心</a>
+			<a href="https://www.zhelixie.com/DesDev" target="_blank">DedeCMS代码（国内）</a>
 		</div>
 	</div>
 </div>

src/plus/vdimgck.php

@@ -35,7 +35,7 @@ if (!echo_validate_image($config))
     // 如果不成功则初始化一个默认验证码
     @session_start();
     $_SESSION['securimage_code_value'] = strtolower('abcd');
-    $im = @imagecreatefromjpeg(dirname(__FILE__).'/data/vdcode.jpg');
+    $im = @imagecreatefromjpeg(DEDEINC.'/data/vdcode.jpg');
     header("Pragma:no-cache\r\n");
     header("Cache-Control:no-cache\r\n");
     header("Expires:0\r\n");