diff --git a/sdk-intergration/Packages/tysdk/Runtime/TYSdkFacade_Pay.cs b/sdk-intergration/Packages/tysdk/Runtime/TYSdkFacade_Pay.cs
index 7197f91..895a370 100644
--- a/sdk-intergration/Packages/tysdk/Runtime/TYSdkFacade_Pay.cs
+++ b/sdk-intergration/Packages/tysdk/Runtime/TYSdkFacade_Pay.cs
@@ -57,7 +57,7 @@ namespace tysdk
 
             var pType = "googleiab.global.app";
 
-            var task = TYSDKCallbackManager.Instance.RegisterCallback<PaymentInfo>(TimeSpan.FromMinutes(1));
+            var task = TYSDKCallbackManager.Instance.RegisterCallback<PaymentInfo>(TimeSpan.FromSeconds(30));
 
             try
             {
@@ -79,7 +79,7 @@ namespace tysdk
 
 
 #elif UNITY_IOS
-            var task = TYSDKCallbackManager.Instance.RegisterCallback<PaymentInfo>(TimeSpan.FromMinutes(1));
+            var task = TYSDKCallbackManager.Instance.RegisterCallback<PaymentInfo>(TimeSpan.FromSeconds(30));
             UnityBridgeFunc.UnityKnow(_accountInfo.strUserId, prodId, prodPrice, prodName, count.ToString(), orderId, extraInfo);
 
             try{
@@ -106,6 +106,11 @@ namespace tysdk
             var result = new PaymentInfo();
             result.code = jresult["code"].ToString();
             result.msg = jresult["errStr"].ToString();
+            if(result.code == "-1")
+            {
+                Debug.Log("[TYSdkFacade] pay failed:  waiting next pay callback");
+                return;
+            }
             TYSDKCallbackManager.Instance.TryTriggerCallback(result);
         }