update two lwdb api

Signed-off-by: xiehuc <xiehuc@gmail.com>
LwqqExtension would auto clean

Signed-off-by: xiehuc <xiehuc@gmail.com>
disable talk group cache

Signed-off-by: xiehuc <xiehuc@gmail.com>
reenable talk group cache

Signed-off-by: xiehuc <xiehuc@gmail.com>