function promote_get_phone(obj, defaultField = '') {
        let info = '{"phone":"15922530621","qq":"342891299","wxqr":"http:\/\/pro.chot.cn:8080\/images\/3.png"}';
        let config = JSON.parse(info);

        let field = defaultField ? defaultField : 'phone';

        let dayConfig = config;

        console.log('dayConfig',config);

        let attrName = '';

        for (const key in obj) {
            attrName = obj[key]
            let phone = '';
            let phone_str = '';
            let _obj = document.getElementsByClassName(key);
            let _attr = '';

            if (typeof attrName === 'string') {
                _attr = attrName;
            } else {
                _attr = obj[key]['attr'];
                field = obj[key]['type'] ? obj[key]['type'] : field;

                console.log('------------------');
                console.log('_attr',_attr);
                console.log('obj[key][\'type\']',obj[key]['type']);
                console.log('key',key);
                console.log('filed',field);
            }


            phone = dayConfig[field];
            phone_str = phone;


            for (let i = 0; i < _obj.length; i++) {
                if (_attr.indexOf('only') === 0) {
                    attrName = _attr.replace("only", "");
                } else {
                    _obj[i].innerHTML = phone;
                }

                console.log('attrName', attrName);
                attrName = attrName.toLowerCase();
                switch (attrName) {
                    case 'href':
                        phone_str = 'tel:' + phone;
                        break;
                }

                if (attrName) {
                    _obj[i].setAttribute(attrName, phone_str);
                }
            }
        }
    }