vue element-ui中select和input的宽度不一致

最终效果

 

 代码： style="width:100%"

       <el-form-item label="场景类型" prop="scenseName">
          <el-select v-model="value" 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>