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 18b9d996..5636eee1 100644
--- a/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
+++ b/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
@@ -211,17 +211,27 @@
 
           <!-- TAB2：检查明细 -->
           <el-tab-pane label="检查明细" name="applyDetail">
+            <!-- 🔧 BugFix#426: 支持树形展开显示套餐明细 -->
             <el-table
               ref="detailTableRef"
               :data="selectedItems"
+              row-key="id"
               border
               size="small"
               style="width:100%"
               :max-height="350"
               :header-cell-style="{ background: '#f5f5f5', color: '#303133' }"
+              :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
+              :load="loadPackageDetails"
+              lazy
             >
               <el-table-column label="行" type="index" width="45" align="center" />
-              <el-table-column label="检查项目" prop="name" min-width="120" />
+              <el-table-column label="检查项目" prop="name" min-width="120">
+                <template #default="scope">
+                  <el-tag v-if="scope.row.isPackage" size="small" type="warning" style="margin-right: 4px">套餐</el-tag>
+                  <span>{{ scope.row.name }}</span>
+                </template>
+              </el-table-column>
               <el-table-column label="部位" prop="applyPart" min-width="90">
                 <template #default="scope">
                   <el-input v-model="scope.row.applyPart" size="small" />
@@ -392,6 +402,36 @@ const dictLoading = ref(false);
 const activeDetailTab = ref('applyForm');
 const applicationList = ref([]);
 const selectedItems = ref([]);
+
+// 🔧 BugFix#426: 懒加载套餐明细
+async function loadPackageDetails(row, treeNode, resolve) {
+  if (!row.isPackage || !row.packageId) {
+    resolve([]);
+    return;
+  }
+  try {
+    const res = await request({
+      url: `/exam/package/${row.packageId}/details`,
+      method: 'get'
+    });
+    if (res.code === 200 && res.data) {
+      const children = res.data.map(item => ({
+        ...item,
+        name: item.name || item.itemName,
+        unit: item.unit || '次',
+        price: item.price || item.itemPrice || 0,
+        quantity: row.quantity || 1,
+        isPackageDetail: true
+      }));
+      resolve(children);
+    } else {
+      resolve([]);
+    }
+  } catch (err) {
+    console.error('加载套餐明细失败:', err);
+    resolve([]);
+  }
+}
 const detailTableRef = ref(null);
 const formRef = ref(null);