There was an error in Ali's SMS return when buying insurance.

The specific reasons are as follows. Generally speaking, if there is an error in the program, a friendly error prompt will be returned to the user in the browser, which is collectively called server 500 error. The solution is that you must have a check box "Show http-friendly error prompt" in Options-Advanced, and browse the project in Advanced. Please uncheck this box so that you can get the correct error message.