调整el-form行距

<el-form :model="entity" label-width="auto" ref="entity" :rules="rules" > <el-row> <el-col :span="24"> <el-form-item label="字段名" prop="column"> <el-input size="mini" v-model="" style="width:70%"></el-input> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="24"> <el-form-item label="字段名" prop="column"> <el-input-number size="mini" v-model="" :min="1" label="字段名" style="width:70%"></el-input-number> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="24"> <el-form-item label="字段名" prop="column"> <el-select size="mini" style="width: 70%;" placeholder="请选择" v-model="" filterable> <el-option v-for="item in list" :key="" :label="" :value=""> <span style="float: left">{{ item.label}}</span> </el-option> </el-select> </el-form-item> </el-col> </el-row> </el-form>