修改bug

@@ -732,6 +732,7 @@ class Lib_Utils_StringHelper
     { 
         $chars = $string;  
         $tmp = $i = $n = $m = $l = 0;
+        $length /= 2;
         if (mb_strwidth (  $string , 'UTF-8' ) <= $length)
             return $string;
         do

@@ -19,7 +19,7 @@
         <div class="post-list main-layout">
             <div class="layout-item tiled">
                 <div class="image-box">
-                    <a href="<?php echo url('news/detail',array('id' => $val['id']))?>" title="<?php echo $val['title']?>">
+                    <a href="<?php echo url('news/detail',array('id' => $val['id']))?>" title="<?php echo $val['title']?>" target="_blank">
                         <img src="<?php echo Lib_Images::getImageUrl($val['thumb'],'0230x0230','fragmentimg');?>" alt="" style="height:230px;width:230px;">
                            <?php if(trim($val['tag']) == '视频'):?>
                           	 <i class="play-icon"></i>
@@ -28,7 +28,7 @@
                 </div>
                 <div class="content">
                     <h2 <?php echo $val['main_title_type'] == 1 ? 'class="volupia"':'';?>>
-                        <a href="<?php echo url('news/detail',array('id' => $val['id']))?>">
+                        <a href="<?php echo url('news/detail',array('id' => $val['id']))?>" target="_blank">
                              <?php echo Util_StringHelper::substr_cn($val['title'], 46);?>
                        </a>
                     </h2>

 <?php foreach($list as $news):
 $title = Util_StringHelper::substr_cn($news['title'], 90);
-$description = Lib_Utils_StringHelper::substr_full_en(Lib_Utils_StringHelper::stripTags($news['content']), 40);
+$description = Lib_Utils_StringHelper::substr_full_en(Lib_Utils_StringHelper::stripTags($news['content']), 80);
 $height = $width = 0;
 $thumb_size = json_decode($news['thumb_size'], true);
 if ($news['thumb'])

 <?php foreach($list as $news):
 $title = Util_StringHelper::substr_cn($news['title'], 90);
-$description = Lib_Utils_StringHelper::substr_full_en(Lib_Utils_StringHelper::stripTags($news['content']), 36);
+$description = Lib_Utils_StringHelper::substr_full_en(Lib_Utils_StringHelper::stripTags($news['content']), 72);
 $thumb_size = json_decode($news['thumb_size'], true);
 if(empty($news['client_thumb']))
 {