修改app类，把发送规则参数改为权限允许之后（7.0）；获取地图先要获取sn改到mainActvity里面，蓝牙连接且sn不为空，权限允许

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2020-11-25 5f41a352c2bc933b3595a5c7c63f7f67c8ee5280

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{"start_car_limit_distance":10,"open_door_drive_allow_distance":1.1,"start_car_max_rpm":2500}