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你好，通过 BLE CC2540 USB Dongle，使用电脑版 BLE Device Monitor(1.1.0版) 与我的BLE设备连接，并对BLE设备使能了 NOTIFY。
BLE设备有一属性为“可写”的特征值，但是 Device Monitor对其作写数据时，每次最多只能写2个字节，请问这是什么原因？
我在手机上用其他软件连接该BLE设备，并对该“可写”的特征值写数据，可以一次写多达20多个字节的数据。
