created some work

Signed-off-by: Ippoippo <ippoippo-software@ippoippo-eco.com>
change 1

Signed-off-by: Ippoippo <ippoippo-software@ippoippo-eco.com>
change 2

Signed-off-by: Ippoippo <ippoippo-software@ippoippo-eco.com>
change 3

Signed-off-by: Ippoippo <ippoippo-software@ippoippo-eco.com>