In the event of failure, they would switch their strategy and engage Japanese forces as they purposely fell back towards Harbin, in a bid to eliminate Japanese forces by overextending their supply-lines.
失敗した場合は日本軍を引き付けて、順次ハルビンまで後退して、補給線の延びきった日本軍を殲滅するという戦略に変わる。