The page does not display updates after the code is submitted

use node as the middle tier, a build tool made by gulp. When I submit the code to the server and recompile, and then refresh the page, dom always shows old resources, but both css and js have been updated. It has been recompiled countless times, and the client has cleared the cache countless times, but the latest dom cannot be displayed.

it is up-to-date to check the code on the server. I really can"t figure out what went wrong. Is there a big god to help solve it? (the server is used by Aliyun Hong Kong. The only thing that is different from usual is the frequent disconnection when using securecrt links recently.)

Mar.19,2021
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