If the data IDs are different, and there are multiple identical name values or multiple identical Title values, an error will be reported
just do it

    <a-auto-complete
      v-model="ruleForm.companyId"
        placeholder="Please Input"
        optionLabelProp="label"
        @select="onSelect"
        @change="onChangeStore"
      >
        <template slot="dataSource">
          <a-select-option
            v-for="item in dataSource"
            :key="item.id"
            :value="item.id + ''"
            :label="item.name"
          >
            {{ item.name }}
          </a-select-option>
        </template>
    </a-auto-complete>