我正在使用 UBUNTU 16.04。我的wifi一次又一次地断开连接！的输出lspci -knn | grep Net -A2是：
06:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
DeviceName:
Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter [103c:2231]
的输出lsusb是：
Bus 002 Device 003: ID 0bda:b001 Realtek Semiconductor Corp.
Bus 002 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 064e:c341 Suyin Corp.
Bus 001 Device 003: ID …