修改了文章自定义链接的方法：

早期是文件名即为文章链接，修改后用户可以使用`slug`参数在文章中自定义链接名，如果文章中不存在`slug`参数则使用文件名，如果文件名是中文的话会自动转换成拼音使用。

.gitignore

@@ -1,9 +1,5 @@
-/*.html
-/*.xml
+/generate
 /PMBlog.wiki
-/category/*
-/page/*
-/tag/*
 /admin/usr/contents/*.md
 !/admin/usr/contents/hello-world.md
 /admin/usr/themes/octopress

admin/index.php

@@ -192,6 +192,7 @@ protected function get_contents() {
             $log['type'] = $post->type();
             $log['docpath'] = $post->doc();
             $log['filename'] = $post->doc_title();
+            $log['slug'] = $post->url();
             $log['extension'] = $post->doc_extension();
             $log['title'] = $post->title();
             $log['content'] = $post->text();
@@ -204,6 +205,7 @@ protected function get_contents() {
                 $log['read_more'] = isset($abstract[1]) ? true : false;
                 $log['opening'] = $abstract[0];
 
+                if(json_encode($item)=='null') $item = mb_convert_encoding($item, 'UTF-8', array('GBK', 'BIG-5'));
                 $dirname = dirname($item).'/';
                 $dirname = str_replace($this->site['config']['doc'], '', $dirname);
                 $dirname = explode('/', $dirname);
@@ -230,10 +232,10 @@ protected function get_contents() {
             if($log['type'] == 'post' && preg_match('/{category}/', $router)) {
                 $log['filepath'] = array();
                 foreach($log['categories'] as $category) {
-                    $log['filepath'][] = str_replace('{category}', $category, $router) . "/{$log['filename']}.html";
+                    $log['filepath'][] = str_replace('{category}', $category, $router) . "/{$log['slug']}";
                 }
             } else {
-                $log['filepath'] = array("$router/{$log['filename']}.html");
+                $log['filepath'] = array("$router/{$log['slug']}");
             }
 
             $log['url'] = $this->site['url'].$log['filepath'][0];