Role verification in ASP. Net Portal Starter Kit

ASP. net Portal Starter Kit's role verification today looked at ASP. net Portal starter kit login verification, now make a summary, for the user ---- permission-Role Relationship and implementation, please refer to the login portal I wrote is different, the latter is based on the roles of a module. for more information, see the code, I decided to use UML to describe the role verification of the Asp.net portal. Figure 1 Asp.net portal logon and role verification sequence diagram if the user's logon ticket is already in the request. cookies are directly read from them, which are not shown in the figure. description: I have read the specification details of the UML diagram. The Diagram may be incorrectly described. Please advise me more.