diff --git a/CTZLauncher/Authentication/CTZAuthenticator.cs b/CTZLauncher/Authentication/CTZAuthenticator.cs
new file mode 100644
index 0000000..9c02b95
--- /dev/null
+++ b/CTZLauncher/Authentication/CTZAuthenticator.cs
@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Threading;
+using KMCCC.Authentication;
+using CityCraft;
+using System.Threading.Tasks;
+using System.Threading;
+
+namespace KMCCC.Authentication
+{
+    class CTZAuthenticator
+    {
+        /// <summary>
+        /// 玩家的名字
+        /// </summary>
+        public readonly string Username;
+        public readonly string Password;
+        HttpHelper http = new HttpHelper();
+        /// <summary>
+        /// 验证服务器地址
+        /// </summary>
+        public readonly string Address;
+        /// <summary>
+        /// 验证服务器端口
+        /// </summary>
+        public readonly int Port;
+        /// <summary>
+        ///     构造离线验证器
+        /// </summary>
+        /// <param name="username">玩家的名字</param>
+        public CTZAuthenticator(string username, string password, string address, int port = 25565)
+        {
+            Username = username;
+            Password = password;
+            Address = address.IndexOf("http") > 0 ? address : "http://" + address;
+            Port = port;
+        }
+
+        /// <summary>
+        /// 标注外部登陆验证器
+        /// </summary>
+        public string Type
+        {
+            get { return "KMCCC.CTZ"; }
+        }
+
+        public bool isRegistered()
+        {
+            return getResult(Address + ":" + Port + "/isregistered?username=" + Username);
+        }
+
+        public bool Register()
+        {
+            return getResult(Address + ":" + Port + "/register?username=" + Username + "&password=" + Password);
+        }
+
+        public bool isLogin()
+        {
+            return getResult(Address + ":" + Port + "/islogin?username=" + Username);
+        }
+
+        public bool Login()
+        {
+            return getResult(Address + ":" + Port + "/login?username=" + Username + "&password=" + Password);
+        }
+
+        public bool getResult(string url)
+        {
+            return http.Send(HttpMethod.GET, url) == "true" ? true : false;
+        }
+    }
+}