download binary file based on your platform from release
refer to the picture below and set Custom Command on the Typora Preferences page
# need 3 args:
# token: access token obtained in step 2
# owner: your user name in github
# repo : the name of the repository created in step 1
your/path/to/imageUploader_windows_amd64.exe -token=your_token -owner=your_user_name_in_github -repo=your_repo_name
NOTE:MacOS(especially M-series chips) requires executable permission for this file. Please run the command chmod a+x your/path/to/imageUploader_macos_arm64 before step 4