fix warning
fix warning

PHP Warning:  date(): It is not safe to rely on the system's
timezone settings. You are *required* to use the date.timezone setting
or the date_defau     lt_timezone_set() function. In case you used any
of those methods and you are still gett     ing this warning, you most
likely misspelled the timezone identifier. We selected the ti
mezone 'UTC' for now, but please set date.timezone to select your
timezone. in /usr/hene     rn/too_studio/wx/book.php on line 141

henern/too_studio_wx,henern/too_studio_wx