When idea generates a spring boot project, error: read timed out appears

When using idea to generate spring boot projects, the following occurs: error: read timed out ,

The solution is as follows:

    click file in the upper right corner of idea and select settings in the list. Click settings
    to open the settings box, and select appearance & amp; on the left; Behavior –> System Settings –> HTTP proxy, select auto detect proxy settings on the right, click Check connection below, and fill in in the pop-up box https://start.spring.io , click OK
    , and the connection successful information will be displayed in the pop-up box, and it will succeed.

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