修改bug

@@ -755,7 +755,8 @@ class Lib_Utils_StringHelper
         {
             $l = $l- $tmp;
         }
-        return mb_substr($string, 0, $l,'utf-8').$etc;//保证不会出现乱码   
+        $str = mb_substr($string, 0, $l,'utf-8');//保证不会出现乱码   
+        return $str ==$string ?  $str: $str.$etc;
     } 
     
     /**

@@ -20,7 +20,7 @@
             <div class="layout-item tiled">
                 <div class="image-box">
                     <a href="<?php echo url('news/detail',array('id' => $val['id']))?>" title="<?php echo $val['title']?>" target="_blank">
-                        <img src="<?php echo Lib_Images::getImageUrl($val['thumb'],'0230x0230','fragmentimg');?>" alt="" style="height:230px;width:230px;">
+                        <img src="<?php echo Lib_Images::getImageUrl($val['thumb'],'0230x0230','fragmentimg');?>" alt="">
                            <?php if(trim($val['tag']) == '视频'):?>
                           	 <i class="play-icon"></i>
                            <?php endif;?>

@@ -3,6 +3,7 @@ $title = Util_StringHelper::substr_cn($news['title'], 90);
 $description = Lib_Utils_StringHelper::substr_full_en(Lib_Utils_StringHelper::stripTags($news['content']), 80);
 $height = $width = 0;
 $thumb_size = json_decode($news['thumb_size'], true);
+$video = isset($video)? $video : 0;
 if ($news['thumb'])
 {
 	$thumb = Lib_Images::getImageUrl($news['thumb'], 'source','fragmentimg');
@@ -27,7 +28,11 @@ $width = 308;
      </div>
      <div class="content">
          <h2 <?php echo $news['main_title_type'] == 1 ? 'class="volupia"':'';?>>
-             <a href="<?php echo url('news/detail' ,array('id' => $news['id']))?>" target="_blank"><?php echo $news['title'];?></a>
+             <a href="<?php echo url('news/detail' ,array('id' => $news['id']))?>" target="_blank">
+                 <?php 
+                    echo $video ? Lib_Utils_StringHelper::substr_full_en($news['title'], 88) : $news['title'];
+                 ?>            
+             </a>
          </h2>
          <p class="text-content"><a href="<?php echo url('news/detail' ,array('id' => $news['id']))?>" target="_blank"><?php echo $description;?></a></p>
          <p class="time"><?php echo date('Y.m.d', $news['create_time']);?></p>