在CSS样式中加上这些样式就可以了
.el-submenu__title {
display: flex;
align-items: center;
}
.el-submenu__title span{
white-space: normal;
word-break: break-all;
line-height: 20px;
flex: 1;
padding-right: 20px;
}
.el-menu-item {
display: flex;
align-items: center;
padding-right: 20px!important;
}
.el-menu-item span {
white-space: normal;
word-break: break-all;
line-height: 20px;
flex: 1;
}
效果图