diff --git a/internal/logic/orderservice/create_order_logic.go b/internal/logic/orderservice/create_order_logic.go
index ad5f708..3b38855 100644
--- a/internal/logic/orderservice/create_order_logic.go
+++ b/internal/logic/orderservice/create_order_logic.go
@@ -5,8 +5,9 @@ import (
 	"app-cloudep-trade-service/internal/domain"
 	"app-cloudep-trade-service/internal/domain/usecase"
 	"app-cloudep-trade-service/internal/svc"
-	ers "code.30cm.net/digimon/library-go/errs"
 	"context"
+
+	ers "code.30cm.net/digimon/library-go/errs"
 	"github.com/zeromicro/go-zero/core/logx"
 )
 
@@ -61,8 +62,8 @@ type createOrderReq struct { // 訂單ID
 	OrderNote            *string `json:"order_note,omitempty" validate:"omitempty"`
 }
 
-//nolint:gocyclo,gocognit
-func buildCreateOrderReq(in *trade.CreateOrderReq) (*createOrderReq, error) {
+//nolint:gocyclo
+func buildCreateOrderReq(in *trade.CreateOrderReq) *createOrderReq {
 	createOrderReq := &createOrderReq{
 		BusinessID:  in.BusinessId,
 		OrderType:   int8(in.OrderType),
@@ -160,7 +161,7 @@ func buildCreateOrderReq(in *trade.CreateOrderReq) (*createOrderReq, error) {
 		createOrderReq.OrderNote = in.OrderNote
 	}
 
-	return createOrderReq, nil
+	return createOrderReq
 }
 
 // toCreateOrderReq 將 createOrderReq 轉換為 CreateOrderReq
@@ -206,12 +207,7 @@ func toCreateOrderUseCase(req *createOrderReq) usecase.CreateOrderReq {
 
 // CreateOrder 建立訂單
 func (l *CreateOrderLogic) CreateOrder(in *trade.CreateOrderReq) (*trade.OKResp, error) {
-
-	req, err := buildCreateOrderReq(in)
-	if err != nil {
-		// 錯誤代碼 06-011-00
-		return nil, ers.InvalidFormat(err.Error())
-	}
+	req := buildCreateOrderReq(in)
 
 	// 驗證資料
 	if err := l.svcCtx.Validate.ValidateAll(req); err != nil {
@@ -219,7 +215,7 @@ func (l *CreateOrderLogic) CreateOrder(in *trade.CreateOrderReq) (*trade.OKResp,
 		return nil, ers.InvalidFormat(err.Error())
 	}
 
-	err = l.svcCtx.OrderUseCase.CreateOrder(l.ctx, toCreateOrderUseCase(req))
+	err := l.svcCtx.OrderUseCase.CreateOrder(l.ctx, toCreateOrderUseCase(req))
 	if err != nil {
 		return nil, err
 	}
diff --git a/internal/logic/orderservice/utils.go b/internal/logic/orderservice/utils.go
index 29be83c..ac30a7d 100644
--- a/internal/logic/orderservice/utils.go
+++ b/internal/logic/orderservice/utils.go
@@ -2,28 +2,14 @@ package orderservicelogic
 
 import (
 	"github.com/shopspring/decimal"
-	"github.com/zeromicro/go-zero/core/logx"
 )
 
-func decimalPtrFromString(val string) *decimal.Decimal {
-	if val == "" {
-		return nil
-	}
-	dec, err := decimal.NewFromString(val)
-	if err != nil {
-		logx.Errorf("Failed to convert string to decimal: %v", err)
-
-		return nil
-	}
-
-	return &dec
-}
-
 // getInt64Value 將 *int64 的值返回，如果為 nil 則返回 0
 func getInt64Value(val *int64) int64 {
 	if val == nil {
 		return 0
 	}
+
 	return *val
 }