diff --git a/wallet/v1/msg.proto b/wallet/v1/msg.proto
index 28c9ba4..79ca3f1 100644
--- a/wallet/v1/msg.proto
+++ b/wallet/v1/msg.proto
@@ -129,8 +129,8 @@ message AssetDiscountRes {
   double static_amount = 4;
   double percentage = 5;
   double max_amount = 6;
-  optional int64 supported_asset = 7;
-  optional double discount_amount = 8; // based of asset price and discount amount in req
+  double discount_amount = 7; // based of asset price and discount amount in req
+  optional int64 supported_asset = 8;
 }
 
 message AssetPrice {
@@ -568,8 +568,8 @@ message CalcBuyAssetRes {
   BuyAssetSide side = 1;
   double calculated_irt_amount = 2;
   double calculated_asset_amount = 3;
-  AssetDiscountRes discount_amount = 4;
-  EffectiveCommission commission = 5;
+  EffectiveCommission commission = 4;
+  optional AssetDiscountRes discount_detail = 5;
   // double buy_min_amount = 7;
 }