diff --git a/xuanxuan/module/chat/ext/model/class/xuanxuan.class.php b/xuanxuan/module/chat/ext/model/class/xuanxuan.class.php
index 1392498605..728e0799a5 100644
--- a/xuanxuan/module/chat/ext/model/class/xuanxuan.class.php
+++ b/xuanxuan/module/chat/ext/model/class/xuanxuan.class.php
@@ -92,7 +92,7 @@ class xuanxuanChat extends chatModel
             $position = strrpos($host, ':');
             $port     = $position === false ? '' : substr($host, $position + 1);
             $server   = $this->config->xuanxuan->server;
-            if($port and strpos($server, ":$port") === false)
+            if($port and strpos($server, ":") === false)
             {
                 $server = rtrim($server, '/');
                 $server = "{$server}:{$port}";