@陳建安 Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
This article will provide the detailed information, how to connect to Storage explorer tool using subscription
If the issue still persist, please share the screen shot of the issue. Check that the subscription is associated with the same tenant that you signed in with. If you signed in with a different tenant, you may not be able to see the subscription.
Please let us know if you have any further queries. I’m happy to assist you further.
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