bug fix

18shilue/010/118.txt

18shilue/018/058.txt

18shilue/019/061.txt

Pulleyblank/Pulleyblank585.txt

Pulleyblank/Pulleyblank586.txt

center-exam/2021/002.txt

kanripo/kR1d0052/001/107.txt

kanripo/kR1d0052/003/170.txt

kanripo/kR1d0052/005/071.txt

kanripo/kR1d0052/007/104.txt

kanripo/kR1d0052/010/068.txt

kanripo/kR1d0052/019/104.txt

kanripo/kR1d0052/030/008.txt

kanripo/kR1d0052/032/043.txt

kanripo/kR1d0052/043/046.txt

kanripo/kR1h0004/004/023.txt

kanripo/kR1h0004/016/010.txt

kanripo/kR4a0001/006/008.txt

kanripo/kR6i0076/001/002.txt

kanripo/kR6i0076/002/001.txt