_ENV[1]='LW_HELLO'
_ENV[2]='LW_DISCONNECT'
_ENV[3]='LW_HEARTBEAT'
_ENV[4] = 'LW_MOZHU_QUERY'
_ENV[5] = 'WL_MOZHU_QUERY'
_ENV[6] = 'WL_HELLO'
_ENV[7] = 'WL_HEARTBEAT'
_ENV[8] = 'LW_MIDDLE_CHAT'
_ENV[9] = 'WL_MIDDLE_CHAT'