applte/pages/updateWord/updateWord.wxss

/* pages/updateWord/updateWord.wxss */
.bottombutton{
  /* position: fixed; */
  bottom: 40rpx;
  width: 100%;
  box-sizing: border-box;
  padding: 30rpx;
}
.bottombutton button{
  width: 100% ;
  font-size: 28rpx;
  font-weight: 500;
  padding: 30rpx;
}