1. The operation that causes an error to
directly drag and drop the xx.crx file to the browser to install it will report a "package invalid" prompt
2. Solve the problem of error reporting
(1) Modify the xx.crx file to .rar
(2) Unzip the rar compressed file after modification
(3) Modify the name of the folder _metadata to metadata
(4) Open the extension program, start "Developer Mode", click "Load unzipped extension program", select the folder you just unzipped
( 5) Installation is complete
