How did Lin Chong miss the White Tiger Hall and let the raccoon go?

Lin Chong blundered into the White Tiger Hall and passed the raccoon as follows:

Walking route on the first floor: right → down → right → down → left (back to the lobby on the first floor) → right → down → right → left (into the second floor) or → left → down → right → left (into the second floor); Walking route on the second floor: left → down → down (back to the lobby on this floor) → left.

The game is introduced:

Biography of Little Raccoon is a mobile phone game operated by Beijing Changyou Times Digital Technology Co., Ltd., which started the file deletion test on August 4, 20021year.

On April 27th, 20021year, The Legend of Little Raccoon Hundred Generals was approved for publication by the State Press and Publication Administration. On July 29th, the theme song "Hero's Dream in Youth" of "A Hundred Stories of Little Raccoons" was launched, and the file deletion test of "A Hundred Stories of Little Raccoons" will officially start on August 4th.