About the HaiChuan mobile app
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After the mobile app responds to a post and allows data download, wealth points are deducted; the mobile browser opens automatically, but an error message appears stating that there is no permission to perform this action. What should I do?
If you really have to download the attachment using an Android phone. Log in to your account in the browser you plan to use in advance
Also, Apple phones cannot download attachments. Android phones can be used in the same way as on the 2nd floor