[galaxy-dev] I can't use API to create a user!

When I use API to create a user, I get an error! The command is: #curl -d '{"username":"test","password":"test","email":"123@123.com"}' http://myip:8080/api/users?key=my_key I get some information: And I find the api controller source code of users in my galaxy instance, it's different with the source in api document. This is mine: And this is the document: I don't understand how it happens.Please tell me how to fix it.Thank you!