页面中res.rows提示为自定义type，使用报错UTSJSONObject cannot be cast GoodsDetailData

// index.uvue  
getShopList(data).then((res : HttpData<GoodsDetailData>) => {  

                        const data = res.rows!  // rows提示为（property）rows ?: GoodsDetailData[] | undefined  
                    // const data = JSON.parse<GoodsDetailData[]>(JSON.stringify(res.rows!)!)!  
                    this.newGoods = data.map((item : GoodsDetailData) => { // 报错io.dcloud.uts.UTSJSONObject cannot be cast to uni.UNI666B1AD.GoodsDetailData  
                        item.priceMin = (item.ggList as GoodsSpecData[]).map((item) => item.price).sort((a : number, b : number) => a - b)[0]  
                        return item  
                    })  
                })  

// api.uts  
export function getShopList(data : GoodsListQuery) : Promise<HttpData<GoodsDetailData>> {  
    return http.getRequest<GoodsDetailData>("/webApi/nologin/getProudctList", data, false, null)  
}  

// request.uts  
async request<T>(  
        url : string,  
        method : RequestMethod,  
        option ?: any,  
        showLoading : boolean = false,  
        header ?: UTSJSONObject  
    ) : Promise<HttpData<T>> {  
        if (showLoading) {  
            uni.showLoading({  
                title: '',  
                mask: true  
            });  
        }  
        const optionsData = JSON.parseObject(JSON.stringify(option)!)  
        return new Promise<HttpData<T>>((resolve, reject) => {  
            uni.request<HttpData<T>>({  
                url: this.baseUrl + url,  
                data: optionsData,  
                method: method,  
                header: {  
                    'Content-Type': 'application/json;charset=UTF-8',  
                    'Authorization': this.token != '' ? this.token : uni.getStorageSync('Authorization'),  
                    ...(header != null ? header : {})  
                },  
                timeout: 10000,  
                success: (res : RequestSuccess<HttpData<T>>) => {  
                    // console.log(res.data)  
                    if (showLoading) {  
                        uni.hideLoading();  
                    }  
                    if (res.statusCode === 200) {  

                        const responseData = JSON.parse<HttpData<T>>(JSON.stringify(res.data!))!;  
                        if (this.debug) {  
                            console.log(url, '-->', responseData);  
                        }  
                        if (responseData === null) {  
                            reject({  
                                code: 500,  
                                msg: "Response data is null"  
                            })  
                            return  
                        }  
                        if (responseData.code != null && responseData.code === 200) {  
                            resolve(responseData)  
                        } else {  
                            if (responseData.code != null && responseData.code === 401) {  
                                // 如果需要登录，统一处理  
                                // debounceModal({  
                                //  title: '提示',  
                                //  content: '您的登录状态以过期,请登录',  
                                //  confirmText: '去登录',  
                                //  success(rs : any) {  
                                //      // console.log(res)  

                                //  }  
                                // })  
                            }  
                            reject(responseData)  
                        }  
                    } else {  
                        reject({  
                            code: res.statusCode,  
                            msg: `HTTP Error: ${res.statusCode}`  
                        })  
                    }  
                },  
                fail: (err : RequestFail) => {  
                    reject({  
                        code: err.errCode,  
                        mas: "Request Fail",  
                        data: err.cause  
                    })  
                }  
            });  
        });  
    }  
async getRequest<T>(url : string, option ?: any, showLoading : boolean = true, header ?: UTSJSONObject) : Promise<HttpData<T>> {  
        return this.request<T>(url, 'GET', option, showLoading, header);  
    }  

// type.uts  
export type HttpData<T> = {  
    code : number  
    msg : string | null  
    rows ?: Array<T>  
    total ?: number  
    data ?: T | string | number | null,  
    url ?: string  
}