试试把Word的自动保存取消。官网是这么解释的, recommends turning off the Auto-save function in W Note however, this is a prevention and will not repair equations that have already become non-editable The steps to disable auto-save are different for each version of Word whether on the Macintosh or on the Windows Simply look for the "Save" preferences for your version of Word and remove the check mark from "Save Auto-recovery data every x "