update

src/modules/payment/views/h5/Invoice.vue

 <template>
   <div class="invoice-container">
-    <van-tabs v-model="form.taxpayer_type" type="card" color="#3276fc" sticky @change="handleTabChange">
+    <van-tabs v-model="vanTabsIndex" type="card" color="#3276fc" sticky @change="handleTabChange">
       <van-tab name="2" title="企业"></van-tab>
       <van-tab name="1" title="个人"></van-tab>
       <van-tab name="3" title="非营利性单位"></van-tab>
@@ -221,6 +221,7 @@ export default {
   components: { HistoryInvoiceList },
   data() {
     return {
+      vanTabsIndex: '2',
       searchShow: false,
       invoice_type_label: '',
       form: {},
@@ -233,13 +234,18 @@ export default {
       return this.$route.query.project_id === '5005' && this.$route.query.type === '60'
     },
     invoiceTypeList() {
-      const list = [
+      let list = [
         // { label: '普通发票（纸质）', value: '1' },
         { label: '普通发票（电子）', value: '2' },
         { label: '专用发票（纸质）', value: '3' }
       ]
+      console.log(this.form.taxpayer_type, 'num')
       if (this.form.taxpayer_type !== '2') {
-        list.splice(1, 1)
+        // list.splice(1, 1)
+        list = [
+          // { label: '普通发票（纸质）', value: '1' },
+          { label: '普通发票（电子）', value: '2' }
+        ]
       }
       return list
     },
@@ -255,9 +261,9 @@ export default {
     defaultForm.sales_rep_user_id_name = this.query.name || ''
     if (this.$route.query.taxpayer_info) {
       console.log('111')
-      this.form = Object.assign(defaultForm, JSON.parse(this.$route.query.taxpayer_info))
+      this.form = Object.assign({}, JSON.parse(this.$route.query.taxpayer_info))
+      this.vanTabsIndex = JSON.parse(this.$route.query.taxpayer_info).taxpayer_type
       this.invoice_type_label = this.form.invoice_type === '2' ? '普通发票（电子）' : '专用发票（纸质）'
-      console.log(this.form)
     } else {
       this.form = Object.assign({ taxpayer_type: '' }, defaultForm)
     }
@@ -305,7 +311,8 @@ export default {
       return /^[A-Za-z0-9]{18}$/.test(val)
     },
     handleTabChange(val) {
-      this.form = Object.assign({ taxpayer_type: val }, defaultForm)
+      this.form = Object.assign({ taxpayer_type: this.vanTabsIndex }, defaultForm)
+      console.log(this.form, 'form', defaultForm)
       this.setInvoiceType()
     },
     onConfirm(val) {