"Of course, I will make sure I don't make the same mistake twice," he added.
Brazil's Santos also moved within sight of a berth in the next round with a 2-1 win over 10-man Delfin in the Ecuadorian port city of Manta.
The suspense of the match was killed early in the third set as Jiangsu started with a 5-0 run and continued its form by scoring seven consecutive points in a row in the middle of the set.
Players such as new arrival Gonzalo Paciencia are trying to spread optimism and are counting on football's unwritten laws.
Bayern then reestablished control of the game, but Robert Lewandowski and Leroy Sane both had goals chalked off.
Qingdao scored the consolation goal from Denis Popovic's penalty in the dying minutes.
The tournament, which was originally scheduled for June, was pushed back due to the COVID-19 pandemic and served as the second major played this year. Enditem
Chongqing posed more of a threat than Shijiazhuang after the game started. After the goalie saved brilliantly from midfielder Chen Jie's long-range shot in the fifth minute, Chongqing got another corner kick and an accurate cross from right-back Jiang Zhe, helping Adrian to score at close range to make it 1-0.
The Austrian team took the lead just eight minutes later, as Japanese midfielder Masaya Okugawa received an accurate pass from substitute Sekou Koita of Mali and scored the winning goal.
The Brazilian, who was so important to Madrid last season, was surprisingly left out of the starting 11 a week ago, although he did play the last 20 minutes and it will be interesting to see how Zidane deals with the situation.
Luis Henrique has made 21 appearances for Botafogo and scored twice since making his first-team debut for the Rio de Janeiro club in 2019.