diff --git a/package/ctcgfw/luci-app-233ddns/luasrc/model/cbi/233ddns.lua b/package/ctcgfw/luci-app-233ddns/luasrc/model/cbi/233ddns.lua
index 75f59d6781..a2f3d2b5d2 100644
--- a/package/ctcgfw/luci-app-233ddns/luasrc/model/cbi/233ddns.lua
+++ b/package/ctcgfw/luci-app-233ddns/luasrc/model/cbi/233ddns.lua
@@ -8,7 +8,7 @@ end
 ddns_domain = luci.sys.exec("/etc/init.d/233ddns gen_subdomain " .. conf_token)
 
 mp = Map("233ddns", translate("233DDNS"))
-mp.description = translate("A simple, fast, security DDNS client, powered by Oxygen233.") .. "<br/>" .. translate("Please add u.233.ro to your whitelist if you use proxies program.")
+mp.description = translate("A simple, fast, security DDNS client, powered by Oxygen233.") .. "<br/>" .. translate("Instructions for use:") .." https://233.ro/archives/233DDNS.html<br/>" .. translate("Please add u.233.ro to your whitelist if you use proxies program.")
 
 s = mp:section(TypedSection, "233ddns")
 s.anonymous=true
@@ -31,4 +31,4 @@ token.placeholder = conf_token
 token.datatype = "string"
 token.rmempty = false
 
-return mp
\ No newline at end of file
+return mp
diff --git a/package/ctcgfw/luci-app-233ddns/po/zh-cn/233ddns.po b/package/ctcgfw/luci-app-233ddns/po/zh-cn/233ddns.po
index 9709feaea3..cdc2061bee 100644
--- a/package/ctcgfw/luci-app-233ddns/po/zh-cn/233ddns.po
+++ b/package/ctcgfw/luci-app-233ddns/po/zh-cn/233ddns.po
@@ -4,6 +4,9 @@ msgstr "233DDNS"
 msgid "A simple, fast, security DDNS client, powered by Oxygen233."
 msgstr "由 Oxygen233 驱动的一个简单、快速、安全的 DDNS 客户端。"
 
+msgid "Instructions for use:"
+msgstr "使用说明："
+
 msgid "Please add u.233.ro to your whitelist if you use proxies program."
 msgstr "如果您使用了代理程序，请将 u.233.ro 添加至白名单。"