09:08:04.265/E: Cannot convert NaN to java.lang.Integer (images.js#36)
at script(images.js:36)
at script.find_piece(<跳一跳>:253)
at script.find_piece_and_board(<跳一跳>:100)
at script.main(<跳一跳>:303)
at script(<跳一跳>:69)