diff --git a/src/i18n/lang/cn.ts b/src/i18n/lang/cn.ts
index 895baae..39e6c33 100644
--- a/src/i18n/lang/cn.ts
+++ b/src/i18n/lang/cn.ts
@@ -54,6 +54,7 @@ export default {
     rawMenu_SignOut: '退出',
     Purchase: '采购单',
     BackSweep: '退扫',
+    succeeded: '退扫成功',
 
     //po收货
     po_ReceivingGoods: 'PO收货',
diff --git a/src/i18n/lang/en.ts b/src/i18n/lang/en.ts
index 163bcf2..347132c 100644
--- a/src/i18n/lang/en.ts
+++ b/src/i18n/lang/en.ts
@@ -334,6 +334,7 @@ export default {
 
     //成品下线
     product_Location: 'Loc',
+    succeeded: 'Scan back succeeded',
     product_barCode: 'Barcode',
     sweepBarCode: 'Barcode',
     QuantityReturned: 'Quantity returned',
diff --git a/src/pages/product/outbound/stoOutbound/Back.vue b/src/pages/product/outbound/stoOutbound/Back.vue
index a9a1600..ed52608 100644
--- a/src/pages/product/outbound/stoOutbound/Back.vue
+++ b/src/pages/product/outbound/stoOutbound/Back.vue
@@ -10,19 +10,19 @@
     <u-form class="form" ref="form" :error-type="['toast']" label-width="150rpx">
       <!-- DN单号 -->
       <u-form-item :label="$t('message.dn_OddNumbers')">
-        <u-input v-model="SweepCode" :disabled="true" />
+        <u-input v-model="order3" :disabled="true" />
       </u-form-item>
       <!-- 已扫数量 -->
       <u-form-item :label="$t('message.SweptQuantity')">
-        <u-input v-model="model.orderInInfo.stoAmount" :disabled="true" />
+        <u-input v-model="scanAmount" :disabled="true" />
       </u-form-item>
       <!-- 已退数量 -->
       <u-form-item :label="$t('message.QuantityReturned')">
-        <u-input v-model="model.orderInInfo.stoAmount" :disabled="true" />
+        <u-input v-model="retreatNum" :disabled="true" />
       </u-form-item>
       <!-- 成品条码 -->
       <u-form-item :label="$t('message.sweepBarCode')">
-        <u-search :placeholder="$t('message.barcode')" v-model="arr" @search="BackSweep" :focus="firstFocus" :show-action="false"></u-search>
+        <u-search :placeholder="$t('message.barcode')" v-model="barCode" @search="BackSweep" :focus="firstFocus" :show-action="false"></u-search>
       </u-form-item>
     </u-form>
     <view class="bottom-bar">
@@ -46,14 +46,44 @@ import { session } from '@/store/modules/session';
 @Component
 export default class stoOutboundDom extends BasePage {
   model = model;
-  SweepCode: any = '';
+  order3: any = '';
   firstFocus = false;
-  arr: any = '';
+  barCode: any = '';
+  scanAmount: number = 0;
+  retreatNum: number = 0;
   onReady() {
     let code = sessionStorage.getItem('SweepCode');
-    this.SweepCode = JSON.parse(code);
+    this.order3 = JSON.parse(code);
+    this.model.materielList.forEach((item: any) => {
+      this.scanAmount += parseFloat(item.outAmount);
+    });
+  }
+  async BackSweep() {
+    if (!this.barCode) {
+      uni.showToast({
+        icon: 'none',
+        title: this.$t('message.barcode') as string,
+      });
+      return;
+    }
+    let params = {
+      barCode: this.barCode,
+      loginName: session.loginName,
+      factoryCode: session.factoryCode,
+      order3: this.order3,
+      keepBy: session.loginName,
+    };
+    await this.model.BackSweep(params);
+    if (this.model.code == '1') {
+      uni.showToast({
+        icon: 'none',
+        title: this.$t('message.succeeded') as string,
+      });
+    }
+    this.barCode = '';
+    this.scanAmount -= 1;
+    this.retreatNum += 1;
   }
-  BackSweep() {}
 }
 </script>
 <style lang="scss" scoped>
diff --git a/src/pages/product/outbound/stoOutbound/model.ts b/src/pages/product/outbound/stoOutbound/model.ts
index 5a76cc9..4ec75af 100644
--- a/src/pages/product/outbound/stoOutbound/model.ts
+++ b/src/pages/product/outbound/stoOutbound/model.ts
@@ -189,6 +189,15 @@ export class ReturningModule extends VuexModule {
     console.log('>>>>>>>', materielList);
     return { code, materielList };
   }
+
+  //退扫接口
+  @MutationAction
+  async BackSweep(params: any) {
+    const res: any = await http.post(url.outbound.stoOutbound.scanBarcodeDN, params);
+    console.log('res>>>>>>>>>>>>>>>>>>>>>>>>.', res);
+    const code = res.code;
+    return { code };
+  }
 }
 
 export default getModule(ReturningModule);
diff --git a/src/utils/url.ts b/src/utils/url.ts
index 80d0ee2..f231179 100644
--- a/src/utils/url.ts
+++ b/src/utils/url.ts
@@ -132,6 +132,7 @@ export const url = {
       materialComplete: '/wmspda/material/outsourcing/materialComplete',
       outsourcingQueryOrder: '/wmspda/material/outsourcing/queryOrder',
       getDetailByorderNo: '/wmspda/fg/queryListInfoByDnNo',
+      scanBarcodeDN: '/wmspda/fg/scanBarcodeDN/del',
     },
   },
   inbound: {