diff --git a/src/views/wms/wmsShippingBill/edit.vue b/src/views/wms/wmsShippingBill/edit.vue
index facd44a..d463c0e 100644
--- a/src/views/wms/wmsShippingBill/edit.vue
+++ b/src/views/wms/wmsShippingBill/edit.vue
@@ -60,9 +60,6 @@
           <el-col :span="12">
             <el-form-item label="发货类型" prop="shippingType">
               <el-select v-model="form.shippingType" placeholder="请选择发货类型" style="width: 100%">
-                <!-- <el-option label="普通发货" value="1" />
-                <el-option label="备件发货" value="2" />
-                <el-option label="物流发货" value="3" /> -->
                 <el-option v-for="dict in shipping_type" :key="dict.value" :label="dict.label" :value="dict.value" />
               </el-select>
             </el-form-item>
@@ -255,7 +252,7 @@
           <el-col :span="3">
             <!-- 物料来源切换 -->
             <el-radio-group v-model="materialSourceType" size="small" @change="handleMaterialSourceChange" :disabled="detailFormDisabled">
-              <!--              <el-radio-button value="1">ERP物料</el-radio-button>-->
+              <el-radio-button value="1">ERP物料</el-radio-button>
               <el-radio-button value="2">WMS物料</el-radio-button>
             </el-radio-group>
           </el-col>
@@ -580,7 +577,7 @@ const approvalRecordRef = ref<InstanceType<typeof ApprovalRecord>>();
 // 任务变量
 const taskVariables = ref<Record<string, any>>({});
 
-// 物料来源类型（1-ERP物料，2-WMS物料），默认使用WMS物料
+// 物料来源类型（1-ERP物料，2-WMS物料），新建空白单据时默认使用WMS物料
 const materialSourceType = ref('2');
 
 // 下拉数据源
@@ -692,6 +689,23 @@ const data = reactive<{ form: WmsShippingBillForm; rules: any }>({
 
 const { form, rules } = toRefs(data);
 
+const syncMaterialSourceTypeByDetails = () => {
+  if (!detailsList.value.length) {
+    return;
+  }
+  const hasErpMaterial = detailsList.value.some((item) => item.materialSourceType === '1');
+  const hasWmsMaterial = detailsList.value.some((item) => item.materialSourceType === '2');
+  // Why：项目自动生成的发货草稿物料属于 ERP 物料，页面回显后默认切到 ERP，
+  // 用户继续点“新增物料”时才能沿用当前草稿的物料语义，而不是误切回 WMS 选料
+  if (hasErpMaterial && !hasWmsMaterial) {
+    materialSourceType.value = '1';
+    return;
+  }
+  if (!hasErpMaterial && hasWmsMaterial) {
+    materialSourceType.value = '2';
+  }
+};
+
 const normalizeWorkflowUserIds = (value: unknown): string | undefined => {
   if (Array.isArray(value)) {
     const ids = value.map((item) => String(item ?? '').trim()).filter((item) => item.length > 0);
@@ -930,7 +944,7 @@ const handleAddDetail = () => {
   }
   if (materialSourceType.value === '1') {
     // ERP物料选择
-    saleMaterialSelectRef.value?.openDialog();
+    saleMaterialSelectRef.value?.open();
   } else {
     // WMS物料选择
     wmsMaterialDialog.visible = true;
@@ -950,6 +964,9 @@ const erpMaterialSelectCallBack = (materials: any[]) => {
           shippingBillId: form.value.shippingBillId,
           materialSourceType: '1', // ERP物料
           erpMaterialId: material.materialId,
+          // Why：项目自动生成的 ERP 草稿明细同时带有 erpMaterialId 与 materielId，
+          // 手动新增 ERP 物料时保持同一口径，后续保存、回显和扩展处理才不会出现字段缺失
+          materielId: material.materialId,
           wmsMaterialId: undefined,
           materialCode: material.materialCode,
           materialName: material.materialName,
@@ -964,6 +981,7 @@ const erpMaterialSelectCallBack = (materials: any[]) => {
         });
       }
     });
+    syncMaterialSourceTypeByDetails();
   }
 };
 
@@ -1140,6 +1158,7 @@ const loadFormData = async (id: string | number) => {
         totalPrice: item.totalPrice,
         remark: item.remark
       }));
+      syncMaterialSourceTypeByDetails();
     }
 
     // 编辑模式下：如果有客户ID，加载客户联系人列表