Quartus​ WEB版License授权失败

从官网申请了license授权文件后，在Quartus​ web版中进行加载，但按照说明加载后，做仿真时还是提示license文件授权失败。

Unable to checkout a license. Vsim is closing.

** Fatal: Invalid license environment. Application closing.

Unable to checkout a license. Make sure your license file environment variables are set correctly and then run 'lmutil lmdiag' to diagnose the problem.

Modelsim-Altera uses the following environment variables to check the licenses (listed in the order of preference)

1. MGLS_LICENSE_FILE

2. LM_LICENSE_FILE.