### 打开设备入网(0019)--详见说明3 **说明：该API 用于 开启网关配网模式 不开则按设备物理按键 设备无法加入网关** ***** POST:/DeviceController ***** BODY:{"Service": "OpenJoin", "GateWayMac": "b827eb6cdbed"} ***** success { "code": 0,"msg": "ok"} ***** error { "code": 20003,"msg": "Phone Code invalid","dec": "验证码已经过期"}