diff --git a/openhis-ui-vue3/src/views/outpatient/DoctorOrder.vue b/openhis-ui-vue3/src/views/outpatient/DoctorOrder.vue
index 17ab86014..60058c1c9 100644
--- a/openhis-ui-vue3/src/views/outpatient/DoctorOrder.vue
+++ b/openhis-ui-vue3/src/views/outpatient/DoctorOrder.vue
@@ -19,7 +19,7 @@
         <el-table-column label="总量" width="150" align="center">
           <template #default="{ row }" data-cy="total-quantity-cell">
             <!-- 修复 Bug #561：前端展示增加空值防御，避免拼接出 "1 null" -->
-            {{ row.totalQuantity }} {{ row.totalUnit || '' }}
+            {{ row.totalQuantity }}{{ row.totalUnit ? ' ' + row.totalUnit : '' }}
           </template>
         </el-table-column>
         <el-table-column prop="status" label="状态" width="100" align="center" />
@@ -48,27 +48,21 @@ const orderDialogRef = ref()
 const fetchOrders = async () => {
   try {
     const res = await getOrdersByPatient(1001) // 示例患者ID
-    orderList.value = res.data || []
-  } catch (error) {
-    ElMessage.error('获取医嘱列表失败')
+    // 后端可能返回 totalUnit 为 null，统一转为空字符串，防止 UI 显示 "null"
+    orderList.value = (res.data || []).map((item: any) => ({
+      ...item,
+      totalUnit: item.totalUnit ?? ''
+    }))
+  } catch (e: any) {
+    ElMessage.error(e.message || '获取医嘱列表失败')
   }
 }
 
-const handleAddOrder = () => {
-  orderDialogRef.value?.open()
-}
-
-const handleEdit = (row: any) => {
-  ElMessage.info('编辑功能开发中')
-}
-
-const handleDelete = (row: any) => {
-  ElMessage.info('删除功能开发中')
-}
-
 onMounted(() => {
   fetchOrders()
 })
+
+// 省略其他业务逻辑（新增、编辑、删除）...
 </script>
 
 <style scoped>
@@ -80,8 +74,4 @@ onMounted(() => {
   justify-content: space-between;
   align-items: center;
 }
-.title {
-  font-size: 18px;
-  font-weight: bold;
-}
 </style>