[modify] stabilize spec (#4237)
[modify] stabilize spec (#4237)


ShinjiTanimoto/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,ShinjiTanimoto/shirasagi,ShinjiTanimoto/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,sunny4381/shirasagi,shirasagi/shirasagi,ShinjiTanimoto/shirasagi,sunny4381/shirasagi,shirasagi/shirasagi