diff --git a/Hua.DDNS/Common/Config/Options/DomainOption.cs b/Hua.DDNS/Common/Config/Options/DomainOption.cs
index 02594a6..7d74405 100644
--- a/Hua.DDNS/Common/Config/Options/DomainOption.cs
+++ b/Hua.DDNS/Common/Config/Options/DomainOption.cs
@@ -12,9 +12,9 @@ namespace Hua.DDNS.Common.Config.Options
     public class DomainOption
     {
         /// <summary>
-        /// platform from [Ali,Tencent]
+        /// platform from  1 Ali 2 Tencent
         /// </summary>
-        public string Platform { get; set; }
+        public PlatformEnum Platform { get; set; }
 
         /// <summary>
         /// Id, the id and key from AliCould or DnsPod
diff --git a/Hua.DDNS/Common/Config/Options/PlatformEnum.cs b/Hua.DDNS/Common/Config/Options/PlatformEnum.cs
new file mode 100644
index 0000000..e4bf83a
--- /dev/null
+++ b/Hua.DDNS/Common/Config/Options/PlatformEnum.cs
@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Hua.DDNS.Common.Config.Options
+{
+    /// <summary>
+    /// DDNS Platform
+    /// </summary>
+    public enum PlatformEnum
+    {
+        /// <summary>
+        /// Ali 
+        /// </summary>
+        Ali = 1,
+
+        /// <summary>
+        /// Tencent
+        /// </summary>
+        Tencent
+    }
+}
diff --git a/Hua.DDNS/Jobs/AppJob.cs b/Hua.DDNS/Jobs/AppJob.cs
index 3f84c45..01cc666 100644
--- a/Hua.DDNS/Jobs/AppJob.cs
+++ b/Hua.DDNS/Jobs/AppJob.cs
@@ -66,7 +66,7 @@ namespace Hua.DDNS.Jobs
             //更新Ip记录
             switch (_domainOption.Platform)
             {
-                case "Tencent":
+                case PlatformEnum.Tencent:
                     var _dnspodClient = new DnspodClient(
                         // 实例化一个认证对象，入参需要传入腾讯云账户secretId，secretKey,此处还需注意密钥对的保密
                         // 密钥可前往https://console.cloud.tencent.com/cam/capi网站进行获取
@@ -97,7 +97,7 @@ namespace Hua.DDNS.Jobs
                     });
 
                     break;
-                case "Ali":
+                case PlatformEnum.Ali:
                     var aliClient =  new AlibabaCloud.SDK.Alidns20150109.Client(new Config()
                     {
                         // 您的 AccessKey ID
diff --git a/Hua.DDNS/appsettings.json b/Hua.DDNS/appsettings.json
index a09b405..de273e0 100644
--- a/Hua.DDNS/appsettings.json
+++ b/Hua.DDNS/appsettings.json
@@ -14,7 +14,7 @@
     },
 
     "Domain": {
-      "Platform": "Ali",
+      "Platform": 1, //1 Ali 2 Tencent
       // Access Id/Secret Id
       "Id": "Id",
       // Access Key/Secret Key