Revert "route variables should not have underline"

fix#2039 & test

log output format improvement

move log level info ahead to filename info, better readability

update swagger ParameterItems

update swagger define

session.NewManager second params shoube be a object not a string

adds ability to reset params after a filter runs

When a filter is run _after_ the router completes, it's input params,
such as `":splat"` will have been overwritten by the filter's router pass.
This commit adds the ability to tell the router to revert to the previous input
params after running a filter.

Refactoring

close socket when http client request over

fix fk field null value

Fxied bug and Optimized code

add os.Chmod when create log file

Add template prefix field to controller

avoid  error when the  callback function not exisit

orm insert or update