diff --git a/src/api/warehouse/changeHUSpecialItem.js b/src/api/warehouse/changeHUSpecialItem.js
index 08661bc..a7a5389 100644
--- a/src/api/warehouse/changeHUSpecialItem.js
+++ b/src/api/warehouse/changeHUSpecialItem.js
@@ -20,3 +20,6 @@ export const batchChangeAvailabilityControlId = data => createAPI('/warehouse/ha
 // 批量修改失效日期（调用IFS接口同步）- rqrq
 export const batchChangeExpiryDate = data => createAPI('/warehouse/handlingunit/batchChangeExpiryDate', 'POST', data)
 
+// 批量修改WDR（调用IFS接口同步）- rqrq
+export const batchChangeWdr = data => createAPI('/warehouse/handlingunit/batchChangeWdr', 'POST', data)
+
diff --git a/src/views/modules/warehouse/changeHUSpecialItem.vue b/src/views/modules/warehouse/changeHUSpecialItem.vue
index ae8c70c..c19bd8d 100644
--- a/src/views/modules/warehouse/changeHUSpecialItem.vue
+++ b/src/views/modules/warehouse/changeHUSpecialItem.vue
@@ -411,7 +411,7 @@
 </template>
 
 <script>
-import { searchHandlingUnitList, batchChangeAvailabilityControlId, batchChangeExpiryDate } from '@/api/warehouse/changeHUSpecialItem'
+import { searchHandlingUnitList, batchChangeAvailabilityControlId, batchChangeExpiryDate, batchChangeWdr } from '@/api/warehouse/changeHUSpecialItem'
 import { activeList, getDescById } from '@/api/warehouse/availabilityControlId'
 
 export default {
@@ -854,15 +854,63 @@ export default {
         return
       }
 
+      // 构建提示信息，显示选中的标签数量 - rqrq
+      const selectedCount = this.dataListSelections.length
+      
+      // 按库存关键字去重统计 - rqrq
+      const inventoryKeySet = new Set()
+      this.dataListSelections.forEach(item => {
+        const key = `${item.site}|${item.partNo}|${item.locationId}|${item.batchNo}|${item.wdr}|${item.engChgLevel}`
+        inventoryKeySet.add(key)
+      })
+      const inventoryCount = inventoryKeySet.size
+
+      this.$confirm(`确认将选中的 ${selectedCount} 个标签（${inventoryCount}行库存）的W/D/R修改为 "${this.wdrFormData.toWdr}" 吗？`, '确认修改', {
+        confirmButtonText: '确定',
+        cancelButtonText: '取消',
+        type: 'warning'
+      }).then(() => {
+        this.doSaveWdrChange()
+      }).catch(() => {
+        // 取消操作
+      })
+    },
+
+    // 执行W/D/R修改 - rqrq
+    doSaveWdrChange() {
       this.wdrSaveLoading = true
 
-      // TODO: 调用后端API保存 - rqrq
-      setTimeout(() => {
+      const requestData = {
+        selectedItems: this.dataListSelections,
+        newWdr: this.wdrFormData.toWdr
+      }
+
+      batchChangeWdr(requestData).then(({ data }) => {
+        if (data && data.code == 0) {
+          const result = data.row
+          if (result.failCount === 0) {
+            this.$message.success(`W/D/R修改成功，共处理${result.successCount}个标签`)
+          } else {
+            // 部分失败，显示详细信息 - rqrq
+            this.$alert(
+              `成功：${result.successCount}个标签<br/>失败：${result.failCount}个标签<br/><br/>失败标签：${result.failedUnitIds ? result.failedUnitIds.join(', ') : '无'}`,
+              'W/D/R修改结果',
+              {
+                dangerouslyUseHTMLString: true,
+                confirmButtonText: '确定'
+              }
+            )
+          }
+          this.closeWdrDialog()
+          this.getDataList()
+        } else {
+          this.$alert(data.msg || 'W/D/R修改失败', '错误')
+        }
+      }).catch(error => {
+        this.$message.error('W/D/R修改失败：' + (error.message || '网络错误'))
+      }).finally(() => {
         this.wdrSaveLoading = false
-        this.$message.success('W/D/R修改成功')
-        this.closeWdrDialog()
-        this.getDataList()
-      }, 1000)
+      })
     },
 
     // ==================== Change Expiration Date相关方法 - rqrq ====================