<el-select v-model="value5" multiple placeholder="请选择" style="width:100%">
<el-option
v-for="item in options"
:key="item.value"
:label="item.label"
:value="item.value">
</el-option>
</el-select>
<el-form-item label="合同总额:" prop="" class="myselect">
<el-select size="mini" >
<el-option>111</el-option>
<el-option>222</el-option>
</el-select>
</el-form-item>
.myselect .el-select>.el-input {
width: 100px;
}