Asset Stores, Samples, Environments and Materials is empty

Hello! I’ve been trying to get the Windows version of Create to work on my system. but upon opening, I got some errors.
2022-04-27 01:55:17 [Error] [omni.kit.browser.folder.core.models.folder_browser_data] Timeout 5 seconds when listing http://omniverse-content-production.s3-us-west-2.amazonaws.com/Materials/Base/. Please check your network and connection to the url. Otherwise increase the timeout.
2022-04-27 01:56:34 [Error] [omni.kit.browser.folder.core.models.folder_browser_data] Timeout 30 seconds when listing http://omniverse-content-production.s3-us-west-2.amazonaws.com/Assets/Skies/. Please check your network and connection to the url. Otherwise increase the timeout.
2022-04-27 01:56:34 [Error] [omni.kit.browser.folder.core.models.folder_browser_data] Timeout 30 seconds when listing http://omniverse-content-production.s3-us-west-2.amazonaws.com/Assets/Scenes/Templates/. Please check your network and connection to the url. Otherwise increase the timeout.
2022-04-27 01:59:34 [Error] [omni.kit.browser.folder.core.models.folder_browser_data] Timeout 10 seconds when listing http://omniverse-content-production.s3-us-west-2.amazonaws.com//Samples/. Please check your network and connection to the url. Otherwise increase the timeout.

I think it’s proxy problem. so, how to set proxy server in Omniverse create?