查询采购订单 多选框无法取消选中问题

src/views/purchase/purOrder/purOrderDetailDialog.vue

@@ -103,7 +103,7 @@
         <el-row>
           <el-col :span="11">
             <el-form-item>
-              <el-checkbox v-model="formData.autoPurchase" >是否生成采购入库单</el-checkbox>
+              <el-checkbox v-model="formData.autoPurchase">是否生成采购入库单</el-checkbox>
             </el-form-item>
           </el-col>
           <el-col :span="11" v-show="formData.autoPurchase">
@@ -196,6 +196,7 @@ export default {
   },
   data() {
     return {
+      autoPurchase: true,
       code: '',
       query: {
         orderIdFk: '',
@@ -501,8 +502,8 @@ export default {
       this.formData.targetInv = 1000
       this.orderEditor = true
       this.sValue = this.formData.corpName
-      this.formData.autoPurchase = true
+      // this.formData.autoPurchase = true
-      console.log(this.formData)
+      this.$set(this.formData, 'autoPurchase', true)
       this.getStockOrderDetailList()
     } else {
       this.formData = {