diff --git a/UnityProject/Assets/GameScripts/HotFix/GameLogic/ProtCust/ProtCust.cs b/UnityProject/Assets/GameScripts/HotFix/GameLogic/ProtCust/ProtCust.cs
index 4d65e093..620c7513 100644
--- a/UnityProject/Assets/GameScripts/HotFix/GameLogic/ProtCust/ProtCust.cs
+++ b/UnityProject/Assets/GameScripts/HotFix/GameLogic/ProtCust/ProtCust.cs
@@ -94,7 +94,7 @@ namespace GameLogic
             }
         }
 
-
+        float timerDt = 2;
         public void OnUpdate()
         {
             if (m_WebSocket != null && m_WebSocket.ReadyState == WebSocketState.Open)
@@ -117,8 +117,26 @@ namespace GameLogic
                 item.Value.Clear();
             }
 
+            timerDt -= Time.deltaTime;
+            if (timerDt <= 0)
+            {
+                // 执行一次Ack
+                timerDt = 2;
+                OnHbTimer();
+            }
+
         }
 
+        /// <summary>
+        /// 心跳包
+        /// </summary>
+        private void OnHbTimer()
+        {
+            // 心跳包
+            Dictionary<string, string> dis = new Dictionary<string, string>();
+            dis.Add("type", "hb");
+            m_WebSocket.SendAsync(dis.ToJson());
+        }
 
         /// <summary>
         /// 测试服流程初始化