diff --git a/application/wap/model/wap/ArticleCategory.php b/application/wap/model/wap/ArticleCategory.php
index 3320a04f..e0d768dd 100644
--- a/application/wap/model/wap/ArticleCategory.php
+++ b/application/wap/model/wap/ArticleCategory.php
@@ -21,7 +21,9 @@ class ArticleCategory extends ModelBasic
     public static function cidByArticleList($cid, $first, $limit, $field = '*')
     {
         $model = Db::name('article');
-        if ($cid) $model->where("CONCAT(',',cid,',')", 'LIKE', "'%,$cid,%'");
-        return $model->field($field)->where('status', 1)->where('hide', 0)->order('sort DESC,add_time DESC')->limit($first, $limit)->select();
+        //if ($cid) $model->where("CONCAT(',',cid,',')", 'LIKE', "'%,$cid,%'");
+        if ($cid) $model->where('cid',$cid);
+        return  $model->field($field)->where('status', 1)->where('hide', 0)->order('sort DESC,add_time DESC')->limit($first, $limit)->select();
+
     }
 }
\ No newline at end of file