el-col accounts for 24 pieces in a row, so two input boxes are displayed in a row: span="12"
<el-row>
<el-col :span="12">
<el-form-item label="serial number" prop="id">
<el-input v-model="" placeholder="serial number" >/el-input>
</el-form-item>
</el-col>
<el-col :span="12">
<el-form-item label="name" prop="name">
<el-input v-model="" placeholder="name" ></el-input>
</el-form-item>
</el-col>
</el-row>
Notes:I accidentally missed el-row, causing the input box to fail to enter normally. (If you do not write v-model to bind data, it will also cause el-input to fail to enter normally)