diff --git a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
index e92b2e8e9..f861f6608 100644
--- a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
+++ b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
@@ -570,9 +570,21 @@ o.description = translate("Support Domain / Dnsmasq / AdGuardHome / Hosts format
 o:depends("adblock",1)
 
 o = s:taboption("DNS", DynamicList, "white_list", translate("Adblock white list"))
-o.datatype = "host"
 o.rmempty = true
 o:depends("adblock",1)
+function o.validate(self, value)
+    local vlist = (type(value) == "table") and value or { value }
+    
+    for _, v in ipairs(vlist) do
+        if v and v ~= "" and not (
+            #v < 254 and v:match("^[a-zA-Z0-9][a-zA-Z0-9%-%.]*[a-zA-Z0-9]$") and v:match("%.")
+        ) then
+            return nil, translate("Invalid domain name") .. ": " .. v
+        end
+    end
+    
+    return value
+end
 
 s:tab("Proxy", translate("Mode"))
 
diff --git a/luci-app-passwall/po/zh-cn/passwall.po b/luci-app-passwall/po/zh-cn/passwall.po
index 16a818e82..8342d28b0 100644
--- a/luci-app-passwall/po/zh-cn/passwall.po
+++ b/luci-app-passwall/po/zh-cn/passwall.po
@@ -40,6 +40,9 @@ msgstr "广告过滤列表URL"
 msgid "Adblock white list"
 msgstr "广告过滤白名单"
 
+msgid "Invalid domain name"
+msgstr "无效域名"
+
 msgid "Auto"
 msgstr "自动"