diff --git a/src/pages/back/backCodeQrScan.vue b/src/pages/back/backCodeQrScan.vue
index cf4dae9..a15381b 100644
--- a/src/pages/back/backCodeQrScan.vue
+++ b/src/pages/back/backCodeQrScan.vue
@@ -211,7 +211,7 @@ const getMaInfoScan = () => {
         id: taskInfo.value.id,
     }
     uni.request({
-        url: '/material/back_apply_info/getMachine',
+        url: '/material/back_apply_info/getMachineTwo',
         method: 'get',
         data: param,
         success: async (res) => {
diff --git a/src/pages/back/backCodeScan.vue b/src/pages/back/backCodeScan.vue
index a575393..5a19046 100644
--- a/src/pages/back/backCodeScan.vue
+++ b/src/pages/back/backCodeScan.vue
@@ -49,6 +49,16 @@
                     </view>
                 </uni-col>
             </uni-row>
+            <div v-if="optionList.length > 1" style="margin-top:10px">
+                <uni-data-select
+                    v-model="maId"
+                    :localdata="optionList"
+                    @change="changeTag"
+                    placeholder="请选择相关设备"
+                    :searchable="false"
+                    filterable
+                ></uni-data-select>
+            </div>
         </view>
         <view class="table-list-item">
             <scroll-view class="scroll-view" scroll-y="true" style="height: 500rpx">
@@ -107,6 +117,9 @@
 </template>
 
 <script>
+import {
+    getCodeTwoAPI,
+} from '../../services/back.js'  
 import { decryptWithSM4, encryptWithSM4, hashWithSM3AndSalt } from '@/utils/sm'
 import PreviewImg from '@/components/PreviewImg/index.vue'
 export default {
@@ -127,6 +140,8 @@ export default {
             imgUrl: '',
             isRadioCheck: true, // 初始状态为完好
             imgList: [],
+            optionList: [], // 下拉列表数据
+            maId: null, // 选中的 maId
         }
     },
     onLoad(options) {
@@ -227,7 +242,7 @@ export default {
             }
             console.log(param)
             uni.request({
-                url: '/material/back_apply_info/getMachine',
+                url: '/material/back_apply_info/getMachineTwo',
                 method: 'get',
                 data: param,
                 success: (res) => {
@@ -237,15 +252,23 @@ export default {
                         res = res.data
                     }
                     console.log(res)
-                    if (res.code == 200) {
-                        if (res.data && res.data.length > 0) {
+                    if (res.code == 200 ) {
+                        if (res.data && res.data.length == 1) {
+                            this.optionList = null
                             this.codeData = res.data[0]
+                        }else if(res.data && res.data.length > 1){
+                            this.optionList = res.data.map(item => ({ 
+                            text: item.materialType +' / '+ item.typeName +' / '+ item.materialName +' / '+ item.maCode, 
+                            value: item.maId }))
                         }
                     } else {
-                        uni.showToast({
-                            title: res.msg,
-                            icon: 'none',
+                        uni.showModal({
+                            title: '错误提示',
+                            content: res.msg,
+                            showCancel: false, // 不显示取消按钮
+                            confirmText: '关闭',
                         })
+
                     }
                     // if(res.rows&&res.rows.length>0){
                     // 	this.codeData=res.rows[0];
@@ -261,6 +284,33 @@ export default {
                 },
             })
         },
+
+        // 标签变更处理
+        async changeTag(){
+            let param = {
+                maId: this.maId,
+                unitId: this.queryParams.unitId,
+                proId: this.queryParams.proId,
+                id: this.queryParams.id,
+            }
+            
+            try {
+                const response = await getCodeTwoAPI(param)
+                if (response.data && response.data.length !== 0) {
+                    this.codeData = response.data[0]
+                }
+            } catch (error) {
+                console.error("获取编号信息失败", error)
+                uni.showModal({
+                    title: '错误提示',
+                    content: response.msg,
+                    showCancel: false, // 不显示取消按钮
+                    confirmText: '关闭',
+                })
+            }
+        },
+
+
         //上传
         uploadImg() {
             const count = 3 - this.imgList.length
diff --git a/src/services/back.js b/src/services/back.js
index a161273..0fdd4a2 100644
--- a/src/services/back.js
+++ b/src/services/back.js
@@ -334,4 +334,13 @@ export const getMachineByIdListQrScanApi = (data) => {
         url: '/material/back_apply_info/selectMachineByIdListQrScan',
         data,
     })
+}
+
+// 编码退料下拉
+export const getCodeTwoAPI = (data) => {
+    return http({
+        method: 'GET',
+        url: '/material/back_apply_info/getMachineTwoList',
+        data,
+    })
 }
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