bin/review-index: use begin/rescue for error handling
bin/review-index: use begin/rescue for error handling

kuad9/review_study,kmuto/review,masawada/review,kmuto/review,kmuto/review,kuad9/review_study,masawada/review,krororo/review,krororo/review,murashitas/review,krororo/review,suzuki/review,suzuki/review,murashitas/review,orangain/review,takahashim/review,kdmsnr/review,orangain/review,takahashim/review