diff --git a/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue b/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
index dc50881a1..add31a486 100755
--- a/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
+++ b/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
@@ -1250,7 +1250,8 @@ function handleRowClick(row) {
             expanded: false,
             packageDetailsLoading: false,
             isPackage: false,
-            packageId: null
+            packageId: null,
+            hasChildren: false  // #426修复: 树形表格懒加载展开标记，后续根据packageId动态设置
           };
           // 加载该项目的检查方法
           if (m.bodyPartCode) {
@@ -1278,6 +1279,7 @@ function handleRowClick(row) {
                   if (item.selectedMethod?.packageId) {
                     item.isPackage = true;
                     item.packageId = item.selectedMethod.packageId;
+                    item.hasChildren = true;  // #426修复
                   }
                 }
                 if (!item.selectedMethod && item.methods.length) {
@@ -1286,6 +1288,7 @@ function handleRowClick(row) {
                 if (item.selectedMethod?.packageId) {
                   item.packageId = item.selectedMethod.packageId;
                   item.isPackage = true;
+                  item.hasChildren = true;  // #426修复
                 }
               }
             } catch (err) {
@@ -1361,6 +1364,7 @@ async function handleMethodSelect(checked, method, cat) {
       if (method.packageId) {
         existingItem.isPackage = true;
         existingItem.packageId = method.packageId;
+        existingItem.hasChildren = true;  // #426修复
         existingItem.packageName = method.packageName || existingItem.packageName;  // #428修复: 确保 packageName 同步
         // 预加载套餐明细
         loadPackageDetailsForItem(existingItem);
@@ -1395,7 +1399,8 @@ async function handleMethodSelect(checked, method, cat) {
       // 从方法或项目中获取套餐信息
       isPackage: !!method.packageId || !!targetItem.packageName,
       packageId: method.packageId || targetItem.packageId || null,
-      packageName: method.packageName || targetItem.packageName || null  // #428修复: 复制 packageName，确保套餐明细可加载
+      packageName: method.packageName || targetItem.packageName || null,  // #428修复: 复制 packageName，确保套餐明细可加载
+      hasChildren: !!(method.packageId || targetItem.packageId)  // #426修复: 树形表格懒加载展开标记
     };
     selectedItems.value.push(newItem);
 
@@ -1483,7 +1488,8 @@ async function handleItemSelect(checked, item, cat) {
       isPackage: !!(item.packageId || item.packageName),
       packageName: item.packageName || null,
       packageDetailsLoading: false,
-      packageId: item.packageId || null
+      packageId: item.packageId || null,
+      hasChildren: !!(item.packageId)  // #426修复: 树形表格懒加载展开标记
     };
     selectedItems.value.push(newRow);
     // 必须用数组里的响应式行，不能继续改局部 newRow：push 后列表内是 proxy，改 raw 对象不会触发右侧卡片更新（会一直卡在「加载中」）
@@ -1605,6 +1611,7 @@ async function onDetailMethodChange(row, val) {
   if (val?.packageId) {
     row.packageId = val.packageId;
     row.isPackage = true;
+    row.hasChildren = true;  // #426修复
   }
   row.packageDetailsDisplay = undefined;
   const carrier = getPackageCarrier(row);