diff --git a/Netch/Controllers/HTTPController.cs b/Netch/Controllers/HTTPController.cs
index b3fd005f..bccd135a 100644
--- a/Netch/Controllers/HTTPController.cs
+++ b/Netch/Controllers/HTTPController.cs
@@ -6,6 +6,8 @@ using Microsoft.Win32;
 using Netch.Models;
 using Netch.Utils;
 using WindowsProxy;
+using Netch.Servers.Socks5;
+using Netch.Servers.Trojan;
 using Netch.Utils.HttpProxyHandler;
 
 namespace Netch.Controllers
@@ -39,7 +41,7 @@ namespace Netch.Controllers
 
                 if (mode.Type == 3)
                 {
-                    if ((MainController.Server.Type is "Socks5" or "Trojan") && mode.BypassChina)
+                    if ((MainController.Server is Socks5 or Trojan) && mode.BypassChina)
                     {
                         //启动PAC服务器
                         PACServerHandle.InitPACServer("127.0.0.1");
diff --git a/Netch/Forms/MainForm.Status.cs b/Netch/Forms/MainForm.Status.cs
index 88e907e0..d2844072 100644
--- a/Netch/Forms/MainForm.Status.cs
+++ b/Netch/Forms/MainForm.Status.cs
@@ -72,7 +72,7 @@ namespace Netch.Forms
 
                         //Socks5
                         Boolean s5BwFlag = true;
-                        if (MainController.Server.Type is "Socks5")
+                        if (MainController.Server is Socks5)
                         {
                             Socks5 SocksServer = (Socks5) MainController.Server;
 
diff --git a/Netch/Resources/zh-CN b/Netch/Resources/zh-CN
index 46b1a1c3..f4596a0c 100644
--- a/Netch/Resources/zh-CN
+++ b/Netch/Resources/zh-CN
@@ -129,6 +129,7 @@
     "Add / Modify": "保存/修改",
     "Select a folder": "选择一个目录",
     "Please enter an process name (xxx.exe)": "请输入一个进程名（xxx.exe）",
+    "Rule does not conform to C++ regular expression syntax": "规则不符合C ++正则表达式语法",
     "Scan completed": "扫描完成",
     "Mode added successfully": "模式添加成功",
     "Mode updated successfully": "模式修改成功",