问从服务器获取CORS响应，但仅针对两个api调用中的一个

EN

let ocrPromises = id_card_images.map((image, index) => {
                let header: IHeadersData = {};
                header = index === 0 ? {card_side: "front"} : {card_side: "back"};
                return this.parseImageUsingOCR(image, header)//makes http call and return promise
            });
let ocrData = await Promise.all(ocrPromises);

parseImageUsingOCR(image, header: IHeadersData): Promise<{ parsed_data: any, s3_url: string }> {


        let blob = UtilityService.dataURItoBlob(image);
        let transliterationUrl = ConstantService.getTransliterationUrl();
        let formData: FormData = new FormData();
        formData.append('image', blob);
        let userData = StoreService.getUserData();
        let transliterationHeader: IHeadersData = UtilityService.getHeaderForOCRParseByCountryAndIdType(
            userData.country,
            userData.id_card_type
        );
        transliterationHeader = {
            ...transliterationHeader,
            img_type: 'id_card',
            ...header,
            // "content-type": "application/json"
        };

        return new Promise((resolve, reject) => {
            // alert(JSON.stringify(transliterationHeader));
            this.serverService.makePostRequest({url: transliterationUrl, body: formData, header: transliterationHeader})
                .subscribe((val: { parsed_data: IUser, raw_data: string, s3_url: string }) => {
                    if (val.parsed_data) {
                        resolve({
                            parsed_data: this.removeAllUndefinedFieldsFromObject(val.parsed_data),
                            s3_url: val.s3_url
                        })
                    } else {
                        resolve({parsed_data: {}, s3_url: val.s3_url});
                    }
                })
        })
    }