diff --git a/admin/editor-js.php b/admin/editor-js.php
index a41f29f8..b1aed329 100644
--- a/admin/editor-js.php
+++ b/admin/editor-js.php
@@ -214,7 +214,7 @@ $(document).ready(function () {
 
 
     // 编辑预览切换
-    var edittab = $('.editor').prepend('<div class="wmd-edittab"><a href="#wmd-editarea" class="active">撰写</a><a href="#wmd-preview">预览</a></div>'),
+    var edittab = $('.editor').prepend('<div class="wmd-edittab"><a href="#wmd-editarea" class="active"><?php _e('撰写'); ?></a><a href="#wmd-preview"><?php _e('预览'); ?></a></div>'),
         editarea = $(textarea.parent()).attr("id", "wmd-editarea");
 
     $(".wmd-edittab a").click(function() {
diff --git a/admin/media.php b/admin/media.php
index 399127df..6ef70c5b 100644
--- a/admin/media.php
+++ b/admin/media.php
@@ -27,7 +27,7 @@ Typecho_Widget::widget('Widget_Contents_Attachment_Edit')->to($attachment);
                 </p>
 
                 <div id="upload-panel" class="p">
-                    <div class="upload-area">拖放替换文件到这里 或者 <a href="###" class="upload-file">选择文件替换</a></div>
+                    <div class="upload-area"><?php _e('拖放文件到这里<br>或者 %s选择文件上传%s', '<a href="###" class="upload-file">', '</a>'); ?></div>
                     <ul id="file-list"></ul>
                 </div>
             </div>
diff --git a/admin/menu.php b/admin/menu.php
index 92bba9e4..3f17e74d 100644
--- a/admin/menu.php
+++ b/admin/menu.php
@@ -9,7 +9,7 @@
                     if ($user->logged > 0) {
                         _e('最后登录: %s', Typecho_I18n::dateWord($user->logged  + $options->timezone, $options->gmtTime + $options->timezone));
                     }
-                    ?>" href="<?php $options->adminUrl('profile.php'); ?>" class="author"><?php $user->screenName(); ?></a><a class="exit" href="<?php $options->logoutUrl(); ?>"><?php _e('登出'); ?></a><a href="<?php $options->siteUrl(); ?>">网站</a>
+                    ?>" href="<?php $options->adminUrl('profile.php'); ?>" class="author"><?php $user->screenName(); ?></a><a class="exit" href="<?php $options->logoutUrl(); ?>"><?php _e('登出'); ?></a><a href="<?php $options->siteUrl(); ?>"><?php _e('网站'); ?></a>
     </div>
 </div>
 
diff --git a/var/Typecho/I18n/GetText.php b/var/Typecho/I18n/GetText.php
index 81b858d2..36aa5498 100644
--- a/var/Typecho/I18n/GetText.php
+++ b/var/Typecho/I18n/GetText.php
@@ -78,17 +78,14 @@ class Typecho_I18n_GetText
 
         // Caching can be turned off
         $this->enable_cache = $enable_cache;
-
-        // $MAGIC1 = (int)0x950412de; //bug in PHP 5
-        $MAGIC1 = (int) - 1794895138;
-        // $MAGIC2 = (int)0xde120495; //bug
-        $MAGIC2 = (int) - 569244523;
-
         $this->STREAM = @fopen($file, 'rb');
-        $magic = $this->readint();
-        if ($magic == $MAGIC1) {
+        
+        $unpacked = unpack('c', $this->read(4));
+        $magic = array_shift($unpacked);
+
+        if (-34 == $magic) {
             $this->BYTEORDER = 0;
-        } elseif ($magic == $MAGIC2) {
+        } elseif (-107 == $magic) {
             $this->BYTEORDER = 1;
         } else {
             $this->error = 1; // not MO file
@@ -103,6 +100,24 @@ class Typecho_I18n_GetText
         $this->translations = $this->readint();
     }
 
+    /**
+     * read  
+     * 
+     * @param mixed $count 
+     * @access private
+     * @return void
+     */
+    private function read($count)
+    {
+        $count = abs($count);
+
+        if ($count > 0) {
+            return fread($this->STREAM, $count);
+        }
+
+        return NULL;
+    }
+
     /**
      * Reads a 32bit Integer from the Stream
      *
@@ -111,7 +126,7 @@ class Typecho_I18n_GetText
      */
     private function readint()
     {
-        $end = unpack($this->BYTEORDER == 0 ? 'V' : 'N', fread($this->STREAM, 4));
+        $end = unpack($this->BYTEORDER == 0 ? 'V' : 'N', $this->read(4));
         return array_shift($end);
     }
 
@@ -123,7 +138,7 @@ class Typecho_I18n_GetText
      */
     private function readintarray($count)
     {
-        return unpack(($this->BYTEORDER == 0 ? 'V' : 'N') . $count, fread($this->STREAM, 4 * $count));
+        return unpack(($this->BYTEORDER == 0 ? 'V' : 'N') . $count, $this->read(4 * $count));
     }
 
     /**