Hi Dongjun, we would suggest you to clear the cache and cookies of your browser and try using the incognito mode of your browser.
In case the issue still persists, please follow the below steps to download Intel® oneAPI toolkit or component:
• Sign out of your Intel account or use an incognito browser.
• Go to the Intel® oneAPI toolkit download page https://software.intel.com/content/www/us/en/develop/tools/oneapi/all-toolkits.html and make your selection.
• Select “Continue as Guest” and the product will start downloading.
Do let us know if the issue still persists. Have a nice day ahead!