修复多CPU在默认主题和AngelKanade下显示的问题，完善内网穿透本地化文本 (#415)

resource/template/component/nat.html

@@ -13,11 +13,11 @@
                 <input type="number" name="ServerID" placeholder="1">
             </div>
             <div class="field">
-                <label>内网服务</label>
-                <input type="text" name="Host" placeholder="192.168.1.1:80(带端口)">
+                <label>{{tr "LocalService"}}</label>
+                <input type="text" name="Host" placeholder="{{tr "LocalServicePlaceholder"}}">
             </div>
             <div class="field">
-                <label>绑定域名</label>
+                <label>{{tr "BindHostname"}}</label>
                 <input type="text" name="Domain" placeholder="router.app.yourdomain.com">
             </div>
         </form>