diff --git a/luci-app-passwall/po/zh-cn/passwall.po b/luci-app-passwall/po/zh-cn/passwall.po
index 53ddac271..a12a4e97c 100644
--- a/luci-app-passwall/po/zh-cn/passwall.po
+++ b/luci-app-passwall/po/zh-cn/passwall.po
@@ -1377,7 +1377,7 @@ msgid "Hosts added into No Sniffing Lists will not resolve again on server (Xray
 msgstr "加入的域名不会再次在服务器解析（仅适用于Xray）。"
 
 msgid "Buffer Size (Xray)"
-msgstr "缓冲区大小"
+msgstr "缓冲区大小（Xray）"
 
 msgid "Buffer size for every connection (kB)"
 msgstr "每一个连接的缓冲区大小（kB）"