el-input自定义icon图标

<el-input class="inputt" placeholder="请输入账号" v-model="form.name">
                <i slot="prefix" style="display: flex;align-items: center;">
                  <img
                    style="width:16px;height:16px"
                    src="../assets/img/XinqiaoHospitalLandinpage/yh.png"
                    alt
                  />
                </i>
</el-input>