圆环焊盘为什么PCB上做不出来

两次打的板子，有个麦克风丝印M1封装的外圆环焊盘都没有开窗做出来，请问什么原因呢？<br/><br /><img src='/uploadfiles/image/20210707/1625648193611020572.png' title='1625648193611020572.png' alt='image.png'/><br /><img src='/uploadfiles/image/20210707/1625648244521084930.png' title='1625648244521084930.png' alt='image.png'/><br /><br/><br />设计文件M1的封装是用焊盘做的圆环，paste层和solder层都有圆环：<br /><img src='/uploadfiles/image/20210707/1625648395410098248.png' title='1625648395410098248.png' alt='image.png'/><br /><img src='/uploadfiles/image/20210707/1625648420958094506.png' title='1625648420958094506.png' alt='image.png'/><br /><img src='/uploadfiles/image/20210707/1625648449681046049.png' title='1625648449681046049.png' alt='image.png'/>