* fix wget with no proxy on windows

* modified import packages

* fix format error

* fix bug

* fix format error

* fix format error

* add precision on mac

* added judge

* match file_ut.json on mac

* fix code format error

* fix code format error

* fix error caused by length of ut_lists exceeds the limit

* fix format error,notest,test=cpu

* fix code format error

* add windows judge on get_pr_ut