1. I need to make a user session list, first get a session list, because there is no user profile in the list, so after I get the list data, I traverse the data (items), asynchronously get the user information (serviceInfo) and assign it to the current item. When I print the session list data, I can see the user information, but when I actually use it, I find that there is no such attribute. The problem is Why can"t properties be used?
2.
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3. When I traversed with for in, I found that there was no such attribute, indicating that the attribute was not added successfully at all. At first, I felt that it might be a problem of object copy, because the user information was an object, but then I changed the assignment method and found the same
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the environmental background of the problems and what methods you have tried
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