非必填输入框没有值时,校验失败,提示 is not a number,应该校验通过 ` <el-form-item label="Daily Limit" prop="dailyLimit" :rules="[{type: 'number', min: 0}]"> <el-input v-model.number.trim="form.dailyLimit" type="number" min="0" class="form-control" placeholder="Daily Limit" /> </el-form-item> `