diff --git a/Runtime/Code/SDK/GuruSDK.Analytics.cs b/Runtime/Code/SDK/GuruSDK.Analytics.cs
index 085bb62..c663397 100644
--- a/Runtime/Code/SDK/GuruSDK.Analytics.cs
+++ b/Runtime/Code/SDK/GuruSDK.Analytics.cs
@@ -682,13 +682,12 @@ namespace Guru
         /// <li>特殊类型: Props (道具列表) </li> 
         /// </summary>
         /// <param name="currencyName">IAP 道具名称</param>
-        /// <param name="productId">IAP 道具商品 ID </param>
         /// <param name="value">赚取金额</param>
         /// <param name="balance">货币总量(累加后)</param>
         /// <param name="levelName">当前关卡名称</param>
         /// <param name="scene">应用场景</param>
         /// <param name="props">获取的道具名称列表</param>
-        public static void LogEarnVirtualCurrencyByIAP(string currencyName, string productId, 
+        public static void LogEarnVirtualCurrencyByIAP(string currencyName,
             int value = 0, int balance = 0, string levelName = "", 
             string scene = "store", string[] props = null, Dictionary<string, object> extra = null)
         {