diff --git a/api/irismod/coinswap/tx.pulsar.go b/api/irismod/coinswap/tx.pulsar.go
index 8826a56e..a2bc1594 100644
--- a/api/irismod/coinswap/tx.pulsar.go
+++ b/api/irismod/coinswap/tx.pulsar.go
@@ -5191,12 +5191,14 @@ func (x *fastReflection_MsgSwapOrder) ProtoMethods() *protoiface.Methods {
 }
 
 var (
-	md_MsgSwapCoinResponse protoreflect.MessageDescriptor
+	md_MsgSwapCoinResponse        protoreflect.MessageDescriptor
+	fd_MsgSwapCoinResponse_amount protoreflect.FieldDescriptor
 )
 
 func init() {
 	file_irismod_coinswap_tx_proto_init()
 	md_MsgSwapCoinResponse = File_irismod_coinswap_tx_proto.Messages().ByName("MsgSwapCoinResponse")
+	fd_MsgSwapCoinResponse_amount = md_MsgSwapCoinResponse.Fields().ByName("amount")
 }
 
 var _ protoreflect.Message = (*fastReflection_MsgSwapCoinResponse)(nil)
@@ -5264,6 +5266,12 @@ func (x *fastReflection_MsgSwapCoinResponse) Interface() protoreflect.ProtoMessa
 // While iterating, mutating operations may only be performed
 // on the current field descriptor.
 func (x *fastReflection_MsgSwapCoinResponse) Range(f func(protoreflect.FieldDescriptor, protoreflect.Value) bool) {
+	if x.Amount != nil {
+		value := protoreflect.ValueOfMessage(x.Amount.ProtoReflect())
+		if !f(fd_MsgSwapCoinResponse_amount, value) {
+			return
+		}
+	}
 }
 
 // Has reports whether a field is populated.
@@ -5279,6 +5287,8 @@ func (x *fastReflection_MsgSwapCoinResponse) Range(f func(protoreflect.FieldDesc
 // a repeated field is populated if it is non-empty.
 func (x *fastReflection_MsgSwapCoinResponse) Has(fd protoreflect.FieldDescriptor) bool {
 	switch fd.FullName() {
+	case "irismod.coinswap.MsgSwapCoinResponse.amount":
+		return x.Amount != nil
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: irismod.coinswap.MsgSwapCoinResponse"))
@@ -5295,6 +5305,8 @@ func (x *fastReflection_MsgSwapCoinResponse) Has(fd protoreflect.FieldDescriptor
 // Clear is a mutating operation and unsafe for concurrent use.
 func (x *fastReflection_MsgSwapCoinResponse) Clear(fd protoreflect.FieldDescriptor) {
 	switch fd.FullName() {
+	case "irismod.coinswap.MsgSwapCoinResponse.amount":
+		x.Amount = nil
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: irismod.coinswap.MsgSwapCoinResponse"))
@@ -5311,6 +5323,9 @@ func (x *fastReflection_MsgSwapCoinResponse) Clear(fd protoreflect.FieldDescript
 // of the value; to obtain a mutable reference, use Mutable.
 func (x *fastReflection_MsgSwapCoinResponse) Get(descriptor protoreflect.FieldDescriptor) protoreflect.Value {
 	switch descriptor.FullName() {
+	case "irismod.coinswap.MsgSwapCoinResponse.amount":
+		value := x.Amount
+		return protoreflect.ValueOfMessage(value.ProtoReflect())
 	default:
 		if descriptor.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: irismod.coinswap.MsgSwapCoinResponse"))
@@ -5331,6 +5346,8 @@ func (x *fastReflection_MsgSwapCoinResponse) Get(descriptor protoreflect.FieldDe
 // Set is a mutating operation and unsafe for concurrent use.
 func (x *fastReflection_MsgSwapCoinResponse) Set(fd protoreflect.FieldDescriptor, value protoreflect.Value) {
 	switch fd.FullName() {
+	case "irismod.coinswap.MsgSwapCoinResponse.amount":
+		x.Amount = value.Message().Interface().(*v1beta1.Coin)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: irismod.coinswap.MsgSwapCoinResponse"))
@@ -5351,6 +5368,11 @@ func (x *fastReflection_MsgSwapCoinResponse) Set(fd protoreflect.FieldDescriptor
 // Mutable is a mutating operation and unsafe for concurrent use.
 func (x *fastReflection_MsgSwapCoinResponse) Mutable(fd protoreflect.FieldDescriptor) protoreflect.Value {
 	switch fd.FullName() {
+	case "irismod.coinswap.MsgSwapCoinResponse.amount":
+		if x.Amount == nil {
+			x.Amount = new(v1beta1.Coin)
+		}
+		return protoreflect.ValueOfMessage(x.Amount.ProtoReflect())
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: irismod.coinswap.MsgSwapCoinResponse"))
@@ -5364,6 +5386,9 @@ func (x *fastReflection_MsgSwapCoinResponse) Mutable(fd protoreflect.FieldDescri
 // For lists, maps, and messages, this returns a new, empty, mutable value.
 func (x *fastReflection_MsgSwapCoinResponse) NewField(fd protoreflect.FieldDescriptor) protoreflect.Value {
 	switch fd.FullName() {
+	case "irismod.coinswap.MsgSwapCoinResponse.amount":
+		m := new(v1beta1.Coin)
+		return protoreflect.ValueOfMessage(m.ProtoReflect())
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: irismod.coinswap.MsgSwapCoinResponse"))
@@ -5433,6 +5458,10 @@ func (x *fastReflection_MsgSwapCoinResponse) ProtoMethods() *protoiface.Methods
 		var n int
 		var l int
 		_ = l
+		if x.Amount != nil {
+			l = options.Size(x.Amount)
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
 		if x.unknownFields != nil {
 			n += len(x.unknownFields)
 		}
@@ -5462,6 +5491,20 @@ func (x *fastReflection_MsgSwapCoinResponse) ProtoMethods() *protoiface.Methods
 			i -= len(x.unknownFields)
 			copy(dAtA[i:], x.unknownFields)
 		}
+		if x.Amount != nil {
+			encoded, err := options.Marshal(x.Amount)
+			if err != nil {
+				return protoiface.MarshalOutput{
+					NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+					Buf:               input.Buf,
+				}, err
+			}
+			i -= len(encoded)
+			copy(dAtA[i:], encoded)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(encoded)))
+			i--
+			dAtA[i] = 0xa
+		}
 		if input.Buf != nil {
 			input.Buf = append(input.Buf, dAtA...)
 		} else {
@@ -5511,6 +5554,42 @@ func (x *fastReflection_MsgSwapCoinResponse) ProtoMethods() *protoiface.Methods
 				return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: MsgSwapCoinResponse: illegal tag %d (wire type %d)", fieldNum, wire)
 			}
 			switch fieldNum {
+			case 1:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Amount", wireType)
+				}
+				var msglen int
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					msglen |= int(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				if msglen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + msglen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				if x.Amount == nil {
+					x.Amount = &v1beta1.Coin{}
+				}
+				if err := options.Unmarshal(dAtA[iNdEx:postIndex], x.Amount); err != nil {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, err
+				}
+				iNdEx = postIndex
 			default:
 				iNdEx = preIndex
 				skippy, err := runtime.Skip(dAtA[iNdEx:])
@@ -6898,6 +6977,8 @@ type MsgSwapCoinResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
+
+	Amount *v1beta1.Coin `protobuf:"bytes,1,opt,name=amount,proto3" json:"amount,omitempty"`
 }
 
 func (x *MsgSwapCoinResponse) Reset() {
@@ -6920,6 +7001,13 @@ func (*MsgSwapCoinResponse) Descriptor() ([]byte, []int) {
 	return file_irismod_coinswap_tx_proto_rawDescGZIP(), []int{9}
 }
 
+func (x *MsgSwapCoinResponse) GetAmount() *v1beta1.Coin {
+	if x != nil {
+		return x.Amount
+	}
+	return nil
+}
+
 // MsgUpdateParams is the Msg/UpdateParams request type.
 //
 // Since: cosmos-sdk 0.47
@@ -7137,71 +7225,75 @@ var file_irismod_coinswap_tx_proto_rawDesc = []byte{
 	0x61, 0x64, 0x6c, 0x69, 0x6e, 0x65, 0x12, 0x20, 0x0a, 0x0c, 0x69, 0x73, 0x5f, 0x62, 0x75, 0x79,
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+	0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -7246,24 +7338,25 @@ var file_irismod_coinswap_tx_proto_depIdxs = []int32{
 	12, // 7: irismod.coinswap.MsgRemoveUnilateralLiquidityResponse.withdraw_coins:type_name -> cosmos.base.v1beta1.Coin
 	13, // 8: irismod.coinswap.MsgSwapOrder.input:type_name -> irismod.coinswap.Input
 	14, // 9: irismod.coinswap.MsgSwapOrder.output:type_name -> irismod.coinswap.Output
-	15, // 10: irismod.coinswap.MsgUpdateParams.params:type_name -> irismod.coinswap.Params
-	0,  // 11: irismod.coinswap.Msg.AddLiquidity:input_type -> irismod.coinswap.MsgAddLiquidity
-	2,  // 12: irismod.coinswap.Msg.AddUnilateralLiquidity:input_type -> irismod.coinswap.MsgAddUnilateralLiquidity
-	4,  // 13: irismod.coinswap.Msg.RemoveLiquidity:input_type -> irismod.coinswap.MsgRemoveLiquidity
-	6,  // 14: irismod.coinswap.Msg.RemoveUnilateralLiquidity:input_type -> irismod.coinswap.MsgRemoveUnilateralLiquidity
-	8,  // 15: irismod.coinswap.Msg.SwapCoin:input_type -> irismod.coinswap.MsgSwapOrder
-	10, // 16: irismod.coinswap.Msg.UpdateParams:input_type -> irismod.coinswap.MsgUpdateParams
-	1,  // 17: irismod.coinswap.Msg.AddLiquidity:output_type -> irismod.coinswap.MsgAddLiquidityResponse
-	3,  // 18: irismod.coinswap.Msg.AddUnilateralLiquidity:output_type -> irismod.coinswap.MsgAddUnilateralLiquidityResponse
-	5,  // 19: irismod.coinswap.Msg.RemoveLiquidity:output_type -> irismod.coinswap.MsgRemoveLiquidityResponse
-	7,  // 20: irismod.coinswap.Msg.RemoveUnilateralLiquidity:output_type -> irismod.coinswap.MsgRemoveUnilateralLiquidityResponse
-	9,  // 21: irismod.coinswap.Msg.SwapCoin:output_type -> irismod.coinswap.MsgSwapCoinResponse
-	11, // 22: irismod.coinswap.Msg.UpdateParams:output_type -> irismod.coinswap.MsgUpdateParamsResponse
-	17, // [17:23] is the sub-list for method output_type
-	11, // [11:17] is the sub-list for method input_type
-	11, // [11:11] is the sub-list for extension type_name
-	11, // [11:11] is the sub-list for extension extendee
-	0,  // [0:11] is the sub-list for field type_name
+	12, // 10: irismod.coinswap.MsgSwapCoinResponse.amount:type_name -> cosmos.base.v1beta1.Coin
+	15, // 11: irismod.coinswap.MsgUpdateParams.params:type_name -> irismod.coinswap.Params
+	0,  // 12: irismod.coinswap.Msg.AddLiquidity:input_type -> irismod.coinswap.MsgAddLiquidity
+	2,  // 13: irismod.coinswap.Msg.AddUnilateralLiquidity:input_type -> irismod.coinswap.MsgAddUnilateralLiquidity
+	4,  // 14: irismod.coinswap.Msg.RemoveLiquidity:input_type -> irismod.coinswap.MsgRemoveLiquidity
+	6,  // 15: irismod.coinswap.Msg.RemoveUnilateralLiquidity:input_type -> irismod.coinswap.MsgRemoveUnilateralLiquidity
+	8,  // 16: irismod.coinswap.Msg.SwapCoin:input_type -> irismod.coinswap.MsgSwapOrder
+	10, // 17: irismod.coinswap.Msg.UpdateParams:input_type -> irismod.coinswap.MsgUpdateParams
+	1,  // 18: irismod.coinswap.Msg.AddLiquidity:output_type -> irismod.coinswap.MsgAddLiquidityResponse
+	3,  // 19: irismod.coinswap.Msg.AddUnilateralLiquidity:output_type -> irismod.coinswap.MsgAddUnilateralLiquidityResponse
+	5,  // 20: irismod.coinswap.Msg.RemoveLiquidity:output_type -> irismod.coinswap.MsgRemoveLiquidityResponse
+	7,  // 21: irismod.coinswap.Msg.RemoveUnilateralLiquidity:output_type -> irismod.coinswap.MsgRemoveUnilateralLiquidityResponse
+	9,  // 22: irismod.coinswap.Msg.SwapCoin:output_type -> irismod.coinswap.MsgSwapCoinResponse
+	11, // 23: irismod.coinswap.Msg.UpdateParams:output_type -> irismod.coinswap.MsgUpdateParamsResponse
+	18, // [18:24] is the sub-list for method output_type
+	12, // [12:18] is the sub-list for method input_type
+	12, // [12:12] is the sub-list for extension type_name
+	12, // [12:12] is the sub-list for extension extendee
+	0,  // [0:12] is the sub-list for field type_name
 }
 
 func init() { file_irismod_coinswap_tx_proto_init() }
diff --git a/modules/coinswap/keeper/keeper.go b/modules/coinswap/keeper/keeper.go
index 6ff7de8f..f21ec8b4 100644
--- a/modules/coinswap/keeper/keeper.go
+++ b/modules/coinswap/keeper/keeper.go
@@ -61,8 +61,8 @@ func (k Keeper) Logger(ctx sdk.Context) log.Logger {
 }
 
 // Swap execute swap order in specified pool
-func (k Keeper) Swap(ctx sdk.Context, msg *types.MsgSwapOrder) error {
-	var amount sdkmath.Int
+func (k Keeper) Swap(ctx sdk.Context, msg *types.MsgSwapOrder) (sdk.Coin, error) {
+	var amount sdk.Coin
 	var err error
 
 	standardDenom := k.GetStandardDenom(ctx)
@@ -79,7 +79,7 @@ func (k Keeper) Swap(ctx sdk.Context, msg *types.MsgSwapOrder) error {
 		amount, err = k.TradeExactInputForOutput(ctx, msg.Input, msg.Output)
 	}
 	if err != nil {
-		return err
+		return amount, err
 	}
 
 	ctx.EventManager().EmitEvent(
@@ -96,7 +96,7 @@ func (k Keeper) Swap(ctx sdk.Context, msg *types.MsgSwapOrder) error {
 		),
 	)
 
-	return nil
+	return amount, nil
 }
 
 // AddLiquidity adds liquidity to the specified pool
@@ -650,4 +650,4 @@ func (k Keeper) removeUnilateralLiquidity(ctx sdk.Context,
 	coins := sdk.NewCoins(sdk.NewCoin(targetTokenDenom, targetTokenAmtAfterFee))
 
 	return coins, k.bk.SendCoins(ctx, poolAddr, sender, coins)
-}
+}
\ No newline at end of file
diff --git a/modules/coinswap/keeper/msg_server.go b/modules/coinswap/keeper/msg_server.go
index 5d346f2c..7097fb99 100644
--- a/modules/coinswap/keeper/msg_server.go
+++ b/modules/coinswap/keeper/msg_server.go
@@ -129,10 +129,13 @@ func (m msgServer) SwapCoin(
 		)
 	}
 
-	if err := m.k.Swap(ctx, msg); err != nil {
+	amount, err := m.k.Swap(ctx, msg)
+	if err != nil {
 		return nil, err
 	}
-	return &types.MsgSwapCoinResponse{}, nil
+	return &types.MsgSwapCoinResponse{
+		Amount: amount,
+	}, nil
 }
 
 func (m msgServer) UpdateParams(
diff --git a/modules/coinswap/keeper/swap.go b/modules/coinswap/keeper/swap.go
index 3507ad49..c33cdc73 100644
--- a/modules/coinswap/keeper/swap.go
+++ b/modules/coinswap/keeper/swap.go
@@ -69,34 +69,35 @@ Sell exact amount of a token for buying another, one of them must be standard to
 @param receipt: address of the receiver
 @return: actual amount of the token to be bought
 */
-func (k Keeper) TradeExactInputForOutput(ctx sdk.Context, input types.Input, output types.Output) (sdkmath.Int, error) {
+func (k Keeper) TradeExactInputForOutput(ctx sdk.Context, input types.Input, output types.Output) (sdk.Coin, error) {
 	boughtTokenAmt, err := k.calculateWithExactInput(ctx, input.Coin, output.Coin.Denom)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	// assert that the calculated amount is more than the
 	// minimum amount the buyer is willing to buy.
 	if boughtTokenAmt.LT(output.Coin.Amount) {
-		return sdk.ZeroInt(), sdkerrors.Wrap(types.ErrConstraintNotMet, fmt.Sprintf("insufficient amount of %s, user expected: %s, actual: %s", output.Coin.Denom, output.Coin.Amount.String(), boughtTokenAmt.String()))
+		return sdk.Coin{}, sdkerrors.Wrap(types.ErrConstraintNotMet, fmt.Sprintf("insufficient amount of %s, user expected: %s, actual: %s", output.Coin.Denom, output.Coin.Amount.String(), boughtTokenAmt.String()))
 	}
 	boughtToken := sdk.NewCoin(output.Coin.Denom, boughtTokenAmt)
 
 	inputAddress, err := sdk.AccAddressFromBech32(input.Address)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	outputAddress, err := sdk.AccAddressFromBech32(output.Address)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 
 	if err := k.swapCoins(ctx, inputAddress, outputAddress, input.Coin, boughtToken); err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
-	return boughtTokenAmt, nil
+	return boughtToken, nil
 }
 
-/**
+/*
+*
 Sell exact amount of a token for buying another, non of them are standard token
 @param input: exact amount of the token to be sold
 @param output: min amount of the token to be bought
@@ -104,45 +105,46 @@ Sell exact amount of a token for buying another, non of them are standard token
 @param receipt: address of the receiver
 @return: actual amount of the token to be bought
 */
-func (k Keeper) doubleTradeExactInputForOutput(ctx sdk.Context, input types.Input, output types.Output) (sdkmath.Int, error) {
+func (k Keeper) doubleTradeExactInputForOutput(ctx sdk.Context, input types.Input, output types.Output) (sdk.Coin, error) {
 	standardDenom := k.GetStandardDenom(ctx)
 	standardAmount, err := k.calculateWithExactInput(ctx, input.Coin, standardDenom)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	standardCoin := sdk.NewCoin(standardDenom, standardAmount)
 
 	inputAddress, err := sdk.AccAddressFromBech32(input.Address)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	outputAddress, err := sdk.AccAddressFromBech32(output.Address)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 
 	if err := k.swapCoins(ctx, inputAddress, outputAddress, input.Coin, standardCoin); err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 
 	boughtAmt, err := k.calculateWithExactInput(ctx, standardCoin, output.Coin.Denom)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	boughtToken := sdk.NewCoin(output.Coin.Denom, boughtAmt)
 	// assert that the calculated amount is less than the
 	// minimum amount the buyer is willing to buy.
 	if boughtAmt.LT(output.Coin.Amount) {
-		return sdk.ZeroInt(), sdkerrors.Wrap(types.ErrConstraintNotMet, fmt.Sprintf("insufficient amount of %s, user expected: %s, actual: %s", output.Coin.Denom, output.Coin.Amount.String(), boughtAmt.String()))
+		return sdk.Coin{}, sdkerrors.Wrap(types.ErrConstraintNotMet, fmt.Sprintf("insufficient amount of %s, user expected: %s, actual: %s", output.Coin.Denom, output.Coin.Amount.String(), boughtAmt.String()))
 	}
 
 	if err := k.swapCoins(ctx, inputAddress, outputAddress, standardCoin, boughtToken); err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
-	return boughtAmt, nil
+	return boughtToken, nil
 }
 
-/**
+/*
+*
 Calculate the amount of the token to be paid based on the exact amount of the token to be bought
 @param exactBoughtCoin
 @param soldTokenDenom
@@ -178,7 +180,8 @@ func (k Keeper) calculateWithExactOutput(ctx sdk.Context, exactBoughtCoin sdk.Co
 	return soldTokenAmt, nil
 }
 
-/**
+/*
+*
 Buy exact amount of a token by specifying the max amount of another token, one of them must be standard token
 @param input : max amount of the token to be paid
 @param output : exact amount of the token to be bought
@@ -186,34 +189,35 @@ Buy exact amount of a token by specifying the max amount of another token, one o
 @param receipt : address of the receiver
 @return : actual amount of the token to be paid
 */
-func (k Keeper) TradeInputForExactOutput(ctx sdk.Context, input types.Input, output types.Output) (sdkmath.Int, error) {
+func (k Keeper) TradeInputForExactOutput(ctx sdk.Context, input types.Input, output types.Output) (sdk.Coin, error) {
 	soldTokenAmt, err := k.calculateWithExactOutput(ctx, output.Coin, input.Coin.Denom)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	// assert that the calculated amount is less than the
 	// max amount the buyer is willing to pay.
 	if soldTokenAmt.GT(input.Coin.Amount) {
-		return sdk.ZeroInt(), sdkerrors.Wrap(types.ErrConstraintNotMet, fmt.Sprintf("insufficient amount of %s, user expected: %s, actual: %s", input.Coin.Denom, input.Coin.Amount.String(), soldTokenAmt.String()))
+		return sdk.Coin{}, sdkerrors.Wrap(types.ErrConstraintNotMet, fmt.Sprintf("insufficient amount of %s, user expected: %s, actual: %s", input.Coin.Denom, input.Coin.Amount.String(), soldTokenAmt.String()))
 	}
 	soldToken := sdk.NewCoin(input.Coin.Denom, soldTokenAmt)
 
 	inputAddress, err := sdk.AccAddressFromBech32(input.Address)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	outputAddress, err := sdk.AccAddressFromBech32(output.Address)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 
 	if err := k.swapCoins(ctx, inputAddress, outputAddress, soldToken, output.Coin); err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
-	return soldTokenAmt, nil
+	return soldToken, nil
 }
 
-/**
+/*
+*
 Buy exact amount of a token by specifying the max amount of another token, non of them are standard token
 @param input : max amount of the token to be paid
 @param output : exact amount of the token to be bought
@@ -221,42 +225,42 @@ Buy exact amount of a token by specifying the max amount of another token, non o
 @param receipt : address of the receiver
 @return : actual amount of the token to be paid
 */
-func (k Keeper) doubleTradeInputForExactOutput(ctx sdk.Context, input types.Input, output types.Output) (sdkmath.Int, error) {
+func (k Keeper) doubleTradeInputForExactOutput(ctx sdk.Context, input types.Input, output types.Output) (sdk.Coin, error) {
 	standardDenom := k.GetStandardDenom(ctx)
 	soldStandardAmount, err := k.calculateWithExactOutput(ctx, output.Coin, standardDenom)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	soldStandardCoin := sdk.NewCoin(standardDenom, soldStandardAmount)
 
 	soldTokenAmt, err := k.calculateWithExactOutput(ctx, soldStandardCoin, input.Coin.Denom)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	soldTokenCoin := sdk.NewCoin(input.Coin.Denom, soldTokenAmt)
 
 	// assert that the calculated amount is less than the
 	// max amount the buyer is willing to sell.
 	if soldTokenAmt.GT(input.Coin.Amount) {
-		return sdk.ZeroInt(), sdkerrors.Wrap(types.ErrConstraintNotMet, fmt.Sprintf("insufficient amount of %s, user expected: %s, actual: %s", input.Coin.Denom, input.Coin.Amount.String(), soldTokenAmt.String()))
+		return sdk.Coin{}, sdkerrors.Wrap(types.ErrConstraintNotMet, fmt.Sprintf("insufficient amount of %s, user expected: %s, actual: %s", input.Coin.Denom, input.Coin.Amount.String(), soldTokenAmt.String()))
 	}
 
 	inputAddress, err := sdk.AccAddressFromBech32(input.Address)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	outputAddress, err := sdk.AccAddressFromBech32(output.Address)
 	if err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 
 	if err := k.swapCoins(ctx, inputAddress, outputAddress, soldTokenCoin, soldStandardCoin); err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
 	if err := k.swapCoins(ctx, inputAddress, outputAddress, soldStandardCoin, output.Coin); err != nil {
-		return sdk.ZeroInt(), err
+		return sdk.Coin{}, err
 	}
-	return soldTokenAmt, nil
+	return soldTokenCoin, nil
 }
 
 // GetInputPrice returns the amount of coins bought (calculated) given the input amount being sold (exact)
diff --git a/modules/coinswap/keeper/swap_test.go b/modules/coinswap/keeper/swap_test.go
index 3d83c61c..ec0da58b 100644
--- a/modules/coinswap/keeper/swap_test.go
+++ b/modules/coinswap/keeper/swap_test.go
@@ -93,7 +93,7 @@ func (suite *TestSuite) TestSwap() {
 	lptDenom := pool.LptDenom
 
 	// first swap buy order
-	err := suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
+	_, err := suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
 	suite.NoError(err)
 	reservePoolBalances := suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddr)
 	senderBalances := suite.app.BankKeeper.GetAllBalances(suite.ctx, sender)
@@ -112,7 +112,7 @@ func (suite *TestSuite) TestSwap() {
 	suite.Equal(expCoins.Sort().String(), senderBalances.Sort().String())
 
 	// second swap buy order
-	err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
+	_, err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
 	suite.NoError(err)
 	reservePoolBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddr)
 	senderBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, sender)
@@ -139,7 +139,7 @@ func (suite *TestSuite) TestSwap() {
 	)
 
 	// first swap sell order
-	err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
+	_, err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
 	suite.NoError(err)
 	reservePoolBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddr)
 	senderBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, sender)
@@ -157,7 +157,7 @@ func (suite *TestSuite) TestSwap() {
 	suite.Equal(expCoins.Sort().String(), senderBalances.Sort().String())
 
 	// second swap sell order
-	err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
+	_, err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
 	suite.NoError(err)
 	reservePoolBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddr)
 	senderBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, sender)
@@ -199,7 +199,7 @@ func (suite *TestSuite) TestDoubleSwap() {
 	lptDenom := pool.LptDenom
 
 	// first swap buy order
-	err := suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
+	_, err := suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
 	suite.NoError(err)
 	reservePoolBTCBalances := suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddrBTC)
 	reservePoolETHBalances := suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddrETH)
@@ -225,7 +225,7 @@ func (suite *TestSuite) TestDoubleSwap() {
 	suite.Equal(expCoins.Sort().String(), sender1Balances.Sort().String())
 
 	// second swap buy order
-	err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
+	_, err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
 	suite.NoError(err)
 	reservePoolBTCBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddrBTC)
 	reservePoolETHBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddrETH)
@@ -260,7 +260,7 @@ func (suite *TestSuite) TestDoubleSwap() {
 	)
 
 	// first swap sell order
-	err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
+	_, err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
 	suite.NoError(err)
 	reservePoolBTCBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddrBTC)
 	reservePoolETHBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddrETH)
@@ -286,7 +286,7 @@ func (suite *TestSuite) TestDoubleSwap() {
 	suite.Equal(expCoins.Sort().String(), sender2Balances.Sort().String())
 
 	// second swap sell order
-	err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
+	_, err = suite.app.CoinswapKeeper.Swap(suite.ctx, msg)
 	suite.NoError(err)
 	reservePoolBTCBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddrBTC)
 	reservePoolETHBalances = suite.app.BankKeeper.GetAllBalances(suite.ctx, reservePoolAddrETH)
@@ -391,7 +391,7 @@ func (suite *TestSuite) TestTradeInputForExactOutput() {
 		suite.NoError(err)
 
 		bought := sdk.NewCoins(outputCoin)
-		sold := sdk.NewCoins(sdk.NewCoin(denomStandard, amt))
+		sold := sdk.NewCoins(sdk.NewCoin(denomStandard, amt.Amount))
 
 		pb := poolBalances.Add(sold...).Sub(bought...)
 		sb := senderBlances.Add(bought...).Sub(sold...)
@@ -425,7 +425,7 @@ func (suite *TestSuite) TestTradeExactInputForOutput() {
 		suite.NoError(err)
 
 		sold := sdk.NewCoins(inputCoin)
-		bought := sdk.NewCoins(sdk.NewCoin(denomBTC, amt))
+		bought := sdk.NewCoins(sdk.NewCoin(denomBTC, amt.Amount))
 
 		pb := poolBalances.Add(sold...).Sub(bought...)
 		sb := senderBlances.Add(bought...).Sub(sold...)
diff --git a/modules/coinswap/types/tx.pb.go b/modules/coinswap/types/tx.pb.go
index dc914df3..67cf40f0 100644
--- a/modules/coinswap/types/tx.pb.go
+++ b/modules/coinswap/types/tx.pb.go
@@ -398,6 +398,7 @@ var xxx_messageInfo_MsgSwapOrder proto.InternalMessageInfo
 
 // MsgSwapCoinResponse defines the Msg/SwapCoin response type
 type MsgSwapCoinResponse struct {
+	Amount types.Coin `protobuf:"bytes,1,opt,name=amount,proto3" json:"amount"`
 }
 
 func (m *MsgSwapCoinResponse) Reset()         { *m = MsgSwapCoinResponse{} }
@@ -537,65 +538,65 @@ func init() {
 func init() { proto.RegisterFile("irismod/coinswap/tx.proto", fileDescriptor_828eca8448acda28) }
 
 var fileDescriptor_828eca8448acda28 = []byte{
-	// 914 bytes of a gzipped FileDescriptorProto
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+	// 926 bytes of a gzipped FileDescriptorProto
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+	0xbf, 0x03, 0x00, 0x00, 0xff, 0xff, 0x00, 0x73, 0x2c, 0x3e, 0x2d, 0x0c, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -1362,6 +1363,16 @@ func (m *MsgSwapCoinResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	{
+		size, err := m.Amount.MarshalToSizedBuffer(dAtA[:i])
+		if err != nil {
+			return 0, err
+		}
+		i -= size
+		i = encodeVarintTx(dAtA, i, uint64(size))
+	}
+	i--
+	dAtA[i] = 0xa
 	return len(dAtA) - i, nil
 }
 
@@ -1612,6 +1623,8 @@ func (m *MsgSwapCoinResponse) Size() (n int) {
 	}
 	var l int
 	_ = l
+	l = m.Amount.Size()
+	n += 1 + l + sovTx(uint64(l))
 	return n
 }
 
@@ -2973,6 +2986,39 @@ func (m *MsgSwapCoinResponse) Unmarshal(dAtA []byte) error {
 			return fmt.Errorf("proto: MsgSwapCoinResponse: illegal tag %d (wire type %d)", fieldNum, wire)
 		}
 		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Amount", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.Amount.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTx(dAtA[iNdEx:])
diff --git a/proto/irismod/coinswap/tx.proto b/proto/irismod/coinswap/tx.proto
index a2c1e8fe..9735808e 100644
--- a/proto/irismod/coinswap/tx.proto
+++ b/proto/irismod/coinswap/tx.proto
@@ -140,7 +140,9 @@ message MsgSwapOrder {
 }
 
 // MsgSwapCoinResponse defines the Msg/SwapCoin response type
-message MsgSwapCoinResponse {}
+message MsgSwapCoinResponse {
+  cosmos.base.v1beta1.Coin amount = 1 [ (gogoproto.nullable) = false ];
+}
 
 // MsgUpdateParams is the Msg/UpdateParams request type.
 //