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 d6bf27a3c..a995be998 100755
--- a/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
+++ b/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
@@ -924,7 +924,8 @@ async function loadCategoryList() {
         categoryName: t.name,
         // “检查类型管理”里配置的执行科室（图三）
         performDeptName: t.department || '',
-        items: []
+        items: [],
+        methods: []   // #428修复: 初始化 methods 数组，确保 Vue 响应式追踪
       });
     }
     const unclassified = [];
@@ -1267,6 +1268,7 @@ async function handleMethodSelect(checked, method, cat) {
       if (method.packageId) {
         existingItem.isPackage = true;
         existingItem.packageId = method.packageId;
+        existingItem.packageName = method.packageName || existingItem.packageName;  // #428修复: 确保 packageName 同步
         // 预加载套餐明细
         loadPackageDetailsForItem(existingItem);
       }
@@ -1294,12 +1296,13 @@ async function handleMethodSelect(checked, method, cat) {
       checkType: cat.typeName,
       nationalCode: targetItem.nationalCode || '',
       checked: true,
-      methods: [method],
+      methods: cat.methods || [method],   // #428修复: 复制分类下全部方法，允许用户切换
       selectedMethod: method,
       expanded: false,
-      // 从方法中获取套餐信息（优先级高于项目本身的 packageName）
+      // 从方法或项目中获取套餐信息
       isPackage: !!method.packageId || !!targetItem.packageName,
-      packageId: method.packageId || targetItem.packageId || null
+      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
     };
     selectedItems.value.push(newItem);