diff --git a/RevokeMsgPatcher/Utils/GAHelper.cs b/RevokeMsgPatcher/Utils/GAHelper.cs
index b9f40108..1de8d423 100644
--- a/RevokeMsgPatcher/Utils/GAHelper.cs
+++ b/RevokeMsgPatcher/Utils/GAHelper.cs
@@ -4,16 +4,19 @@
 using System.Net.Http;
 using System.Text;
 using System.Threading.Tasks;
+using System.Web.Script.Serialization;
 using System.Windows.Forms;
 
 namespace RevokeMsgPatcher.Utils
 {
     /// <summary>
     /// 用于软件的 Google Analytics 实现 By huiyadanli
+    /// 20230409 更新 GA4 的实现
     /// 相关文档：
-    /// 指南 https://developers.google.com/analytics/devguides/collection/protocol/v1/devguide
-    /// 参数 https://developers.google.com/analytics/devguides/collection/protocol/v1/parameters
-    /// 测试 https://ga-dev-tools.appspot.com/hit-builder/
+    /// #GA指南(过时) https://developers.google.com/analytics/devguides/collection/protocol/v1/devguide
+    /// #GA参数(过时) https://developers.google.com/analytics/devguides/collection/protocol/v1/parameters
+    /// GA4教程 https://firebase.google.com/codelabs/firebase_mp
+    /// 测试 https://ga-dev-tools.google/ga4/event-builder/
     /// </summary>
     public class GAHelper
     {
@@ -26,11 +29,11 @@ public static GAHelper Instance
             {
                 //lock (obj)
                 //{
-                    if (instance == null)
-                    {
-                        instance = new GAHelper();
-                    }
-                    return instance;
+                if (instance == null)
+                {
+                    instance = new GAHelper();
+                }
+                return instance;
                 //}
             }
         }
@@ -38,15 +41,10 @@ public static GAHelper Instance
         // 根据实际情况修改
         private static readonly HttpClient client = HttpUtil.Client;
 
-        private const string GAUrl = "https://www.google-analytics.com/collect";
-
-        // 根据实际使用分析账号设置
-        private const string tid = "UA-80358493-2"; // GA Tracking ID / Property ID.
+        private const string GAUrl = "https://www.google-analytics.com/mp/collect?api_secret=urKlcc29TSy3OIkHr8yFSQ&measurement_id=G-BE6FRPZS1W";
 
         private static readonly string cid = Device.Value(); // Anonymous Client ID. // Guid.NewGuid().ToString()
 
-        // 屏幕分辨率(可选)
-        private static readonly string sr = Screen.PrimaryScreen.Bounds.Width + "x" + Screen.PrimaryScreen.Bounds.Height;
 
         public string UserAgent { get; set; }
 
@@ -59,29 +57,37 @@ public async Task RequestPageViewAsync(string page, string title = null)
         {
             try
             {
-                if (!page.StartsWith("/"))
+                if (page.StartsWith("/"))
                 {
-                    page = "/" + page;
+                    page = page.Remove(0, 1);
                 }
+                page = page.Replace("/", "_").Replace(".", "_");
                 // 请求参数
-                var values = new Dictionary<string, string>
+                var values = new Dictionary<string, object>
                 {
-                    { "v", "1" }, // 当前必填1
-                    { "tid", tid },
-                    { "cid", cid },
-                    { "ua", UserAgent },
-                    { "t", "pageview" },
-                    { "sr", sr },
-                    { "dp", page },
-                    { "dt", title },
+                    { "client_id",UserAgent},
+                    { "user_id", cid },
+                    { "non_personalized_ads", "false" },
+                    { "events", new List<Dictionary<string, string>>()
+                        {
+                            new Dictionary<string, string>()
+                            {
+                                 { "name",page},
+                            }
+                        }
+                    },
                 };
-                var content = new FormUrlEncodedContent(values);
+                JavaScriptSerializer serializer = new JavaScriptSerializer();
+                string json = serializer.Serialize(values);
+                var content = new StringContent(json, Encoding.UTF8, "application/json");
                 var response = await client.PostAsync(GAUrl, content);
+                Console.WriteLine(response.ToString());
             }
             catch (Exception ex)
             {
 
                 Console.WriteLine("GAHelper:" + ex.Message);
+                Console.WriteLine(ex.StackTrace);
             }
         }