wesmiler 更新第5期更新代码合并

vendor/thinkcmf/cmf/src/common.php

@@ -2794,7 +2794,7 @@ function filterEmoji($str)
  */
 function getPrevierUrl($url){
     if ($url) {
-        $url = preg_match("/^(http|https):\/\//", trim($url,'//')) ? $url :   '/upload/' . ltrim($url, '/');
+        $url = preg_match("/^(http|https):\/\//", trim($url,'//')) ? $url :  cmf_get_image_preview_url($url);
     }
     $url = $url? preg_replace("/^(https|http):\/\//", '//', $url) : '';
     return $url;