after install the driver, WiFi still can not work

[Ke Wang]

I did a lot of research to fix this problem, however, I still can not use my WiFi.
The WiFi can use when I installing Ubuntu system on BIOS(USB mode).
After the system installed and into the system, the WiFi can not use anymore.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: bcmwl-kernel-source 6.30.223.271+bdcom-0ubuntu4
ProcVersionSignature: Ubuntu 4.18.0-22.23~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-22-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Jun 23 22:56:32 2019
InstallationDate: Installed on 2019-06-22 (0 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
SourcePackage: bcmwl
UpgradeStatus: No upgrade log present (probably fresh install)