diff --git a/server/product/internal/logic/getproductdetaillogic.go b/server/product/internal/logic/getproductdetaillogic.go
index 12f4c528..a2dea1da 100644
--- a/server/product/internal/logic/getproductdetaillogic.go
+++ b/server/product/internal/logic/getproductdetaillogic.go
@@ -180,7 +180,7 @@ func (l *GetProductDetailLogic) GetProductDetail(req *types.GetProductDetailReq,
 		}
 		var modelInfoRsp types.ModelInfo
 		var TemplateInfoRsp interface{}
-		var FittingListRsp = make([]types.FittingInfo, 0, 10)
+		var FittingListRsp []types.FittingInfo
 		if modelIndex, ok := mapSizeKeyModel[sizeInfo.Id]; ok {
 			modelInfo := modelList[modelIndex]
 			//模板信息
@@ -221,55 +221,9 @@ func (l *GetProductDetailLogic) GetProductDetail(req *types.GetProductDetailReq,
 			optionalFittingIdsStr := strings.Trim(*modelInfo.PartList, " ")
 			optionalFittingIdsStr = strings.Trim(optionalFittingIdsStr, ",")
 			//配件信息
-			if optionalFittingIdsStr != "" {
-				optionalFittingIds, err := format.StrSlicToInt64Slice(strings.Split(optionalFittingIdsStr, ","))
-				if err != nil {
-					logx.Error(err)
-					return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to split optional fitting list")
-				}
-				//可选配件
-				for _, optionFittingId := range optionalFittingIds {
-					fittingIndex, ok := mapFitting[optionFittingId]
-					if !ok {
-						continue
-					}
-					fittingInfo := modelList[fittingIndex]
-					var fittingDesignInfo interface{}
-					if fittingInfo.ModelInfo == nil || *fittingInfo.ModelInfo == "" {
-						continue
-					}
-					if err = json.Unmarshal([]byte(*fittingInfo.ModelInfo), &fittingDesignInfo); err != nil {
-						logx.Error(err)
-						return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse fitting design info")
-					}
-					//是否默认显示配件
-					isDefault := int64(0)
-					if optionFittingId == *modelInfo.PartId {
-						isDefault = 1
-					}
-					//配件贴图
-					FittingMaterialImg := ""
-					//贴图,如果绑定了公共模板，则获取公共模板的贴图数据(待优化)
-					if *fittingInfo.OptionTemplate > 0 {
-						if image, ok := mapPublicFittingOptionTemplate[*fittingInfo.OptionTemplate]; ok {
-							FittingMaterialImg = image
-						}
-					} else { //否则取该配件下的模板贴图
-						if image, ok := mapNotPublicFittingOptionTemplateMaterialImage[fittingInfo.Id]; ok {
-							FittingMaterialImg = image
-						}
-					}
-					FittingListRsp = append(FittingListRsp, types.FittingInfo{
-						Id:            fittingInfo.Id,
-						IsHot:         *fittingInfo.IsHot,
-						MaterialImage: FittingMaterialImg,
-						DesignInfo:    fittingDesignInfo,
-						Price:         format.CentitoDollar(*fittingInfo.Price, 3),
-						Name:          *fittingInfo.Name,
-						IsDefault:     isDefault,
-					})
-				}
-
+			FittingListRsp, err = l.GetModelOptionalFittings(l.ctx, optionalFittingIdsStr, mapFitting, mapPublicFittingOptionTemplate, mapNotPublicFittingOptionTemplateMaterialImage, modelInfo, modelList)
+			if err != nil {
+				return resp.SetStatusWithMessage(basic.CodeServiceErr, err.Error())
 			}
 		}
 		isDefaultSize := int64(0)
@@ -305,6 +259,62 @@ func (l *GetProductDetailLogic) GetProductDetail(req *types.GetProductDetailReq,
 	})
 }
 
+// 获取模型可选配件列表
+func (l *GetProductDetailLogic) GetModelOptionalFittings(ctx context.Context, optionalFittingIdsStr string, mapFitting map[int64]int, mapPublicFittingOptionTemplate, mapNotPublicFittingOptionTemplateMaterialImage map[int64]string, modelInfo gmodel.FsProductModel3d, modelList []gmodel.FsProductModel3d) (resp []types.FittingInfo, err error) {
+	if optionalFittingIdsStr == "" {
+		return
+	}
+	optionalFittingIds, err := format.StrSlicToInt64Slice(strings.Split(optionalFittingIdsStr, ","))
+	if err != nil {
+		logx.Error(err)
+		return nil, errors.New("failed to split optional fitting list")
+	}
+	resp = make([]types.FittingInfo, 0, len(optionalFittingIds))
+	//可选配件
+	for _, optionFittingId := range optionalFittingIds {
+		fittingIndex, ok := mapFitting[optionFittingId]
+		if !ok {
+			continue
+		}
+		fittingInfo := modelList[fittingIndex]
+		var fittingDesignInfo interface{}
+		if fittingInfo.ModelInfo == nil || *fittingInfo.ModelInfo == "" {
+			continue
+		}
+		if err = json.Unmarshal([]byte(*fittingInfo.ModelInfo), &fittingDesignInfo); err != nil {
+			logx.Error(err)
+			return nil, errors.New("failed to parse fitting design info")
+		}
+		//是否默认显示配件
+		isDefault := int64(0)
+		if optionFittingId == *modelInfo.PartId {
+			isDefault = 1
+		}
+		//配件贴图
+		FittingMaterialImg := ""
+		//贴图,如果绑定了公共模板，则获取公共模板的贴图数据(待优化)
+		if *fittingInfo.OptionTemplate > 0 {
+			if image, ok := mapPublicFittingOptionTemplate[*fittingInfo.OptionTemplate]; ok {
+				FittingMaterialImg = image
+			}
+		} else { //否则取该配件下的模板贴图
+			if image, ok := mapNotPublicFittingOptionTemplateMaterialImage[fittingInfo.Id]; ok {
+				FittingMaterialImg = image
+			}
+		}
+		resp = append(resp, types.FittingInfo{
+			Id:            fittingInfo.Id,
+			IsHot:         *fittingInfo.IsHot,
+			MaterialImage: FittingMaterialImg,
+			DesignInfo:    fittingDesignInfo,
+			Price:         format.CentitoDollar(*fittingInfo.Price, 3),
+			Name:          *fittingInfo.Name,
+			IsDefault:     isDefault,
+		})
+	}
+	return resp, nil
+}
+
 // 获取列表页默认渲染的尺寸(同列表页)
 func (l *GetProductDetailLogic) getRenderDefaultSize(productId int64, templateTag string) (sizeId int64, err error) {
 	//获取模板