label-width="50px"        距离上一个下拉框的距离
style="width: 125px"      下拉框本身的宽度

<el-form-item label="机构" label-width="50px">
	<el-select v-model="formInline.institution" placeholder="机构" style="width: 125px">
		<el-option label="全部" value=""></el-option>
		<el-option label="广发电营" value="dy-gf"></el-option>
		<el-option label="信控处" value="xk"></el-option>
		<el-option label="广州电营" value="dy-gz"></el-option>
		<el-option label="客服" value="kf"></el-option>
		<el-option label="授权呼叫中心" value="sq"></el-option>
		<el-option label="资产管理处" value="zc"></el-option>
		<el-option label="上海电营" value="dy-sh"></el-option>
		<el-option label="沈阳电营" value="dy-sy"></el-option>
	</el-select>
</el-form-item>