计划委托与止盈止损撤销所有计划委托撤销所有计划委托 POST: /v1/future-u/trade/entrust/cancel-all-plan Content-Type: application/x-www-form-urlencoded && application/json Parameters参数数据类型是否必须默认值描述取值范围symbolstringtrue交易对,例如btc_usdt限流规则200/s/apikeyResponse{ "msgInfo": { "code": "", "msg": "" }, "msg": "", "data": true, "code": 200}