update ac existence
update ac existence


Former-commit-id: 14bcd04b6d5808fa790ca1502e5933a99c65bc87
Former-commit-id: 8c6ff69c94c68730fa68d15591ecc1caa816c087
Former-commit-id: f61642018f31b034ce7363d798cec85d07043e03
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy