diff --git a/openhis-ui-vue3/src/views/outpatient/examination/ExamApply.vue b/openhis-ui-vue3/src/views/outpatient/examination/ExamApply.vue
index 391b080e4..52bd8a8ad 100644
--- a/openhis-ui-vue3/src/views/outpatient/examination/ExamApply.vue
+++ b/openhis-ui-vue3/src/views/outpatient/examination/ExamApply.vue
@@ -58,24 +58,19 @@
                     <el-tooltip :content="cleanName(sel.name)" placement="top" :show-after="500">
                       <span class="item-name">{{ cleanName(sel.name) }}</span>
                     </el-tooltip>
-                    <el-button type="danger" link size="small" @click.stop="removeItem(sel)">移除</el-button>
+                    <el-tag size="small" type="info" class="ml-2">{{ sel.type || '项目' }}</el-tag>
                   </div>
                 </template>
+                <!-- 结构化明细：默认收起，去除冗余标签，严格遵循 项目 > 检查方法 层级 -->
                 <div class="details-panel" data-cy="details-panel">
-                  <div v-if="sel.methods && sel.methods.length" class="method-group">
-                    <span class="group-label">检查方法：</span>
-                    <el-checkbox-group v-model="sel.selectedMethods">
-                      <el-checkbox
-                        v-for="m in sel.methods"
-                        :key="m.id"
-                        :label="m.id"
-                        @change="handleDetailMethodChange(sel, m)"
-                      >
-                        {{ m.name }}
-                      </el-checkbox>
-                    </el-checkbox-group>
+                  <div v-if="sel.methods && sel.methods.length > 0" class="method-group">
+                    <div class="group-title">检查方法</div>
+                    <div v-for="m in sel.methods" :key="m.id" class="method-item">
+                      <el-checkbox v-model="m.checked" @change="handleDetailMethodCheck(sel, m)" />
+                      <span>{{ m.name }}</span>
+                    </div>
                   </div>
-                  <div v-else class="empty-tip">无关联检查方法</div>
+                  <div v-else class="empty-detail">无关联检查方法</div>
                 </div>
               </el-collapse-item>
             </el-collapse>
@@ -87,104 +82,70 @@
 </template>
 
 <script setup>
-import { ref, computed } from 'vue'
-import { ElMessage } from 'element-plus'
+import { ref } from 'vue'
 
-// 模拟数据源（实际应从API获取）
-const categories = ref([
-  { id: 1, label: '彩超', children: [] },
-  { id: 2, label: 'CT', children: [] }
-])
+// 状态定义
+const categories = ref([])
 const currentItems = ref([])
-const availableMethods = ref([
-  { id: 'm1', name: '常规扫描', checked: false },
-  { id: 'm2', name: '增强扫描', checked: false }
-])
-
-// 已选项目状态管理
+const availableMethods = ref([])
 const selectedItems = ref([])
-// 默认收起：不设置任何激活的 name
-const activeCollapseNames = ref([])
-
-// 清理名称：去除“套餐”前缀及冗余符号
-const cleanName = (name) => name.replace(/^套餐[：:]/, '').trim()
+const activeCollapseNames = ref([]) // 默认空数组，确保所有卡片初始为收起状态
 
+// 分类点击：加载对应项目与方法
 const handleCategoryClick = (data) => {
-  // 模拟加载分类下的项目
+  // 实际项目中此处应调用 API 获取数据，此处为结构演示
   currentItems.value = [
-    { id: 'item_128', name: '套餐：128线排', checked: false, methods: [{ id: 'm1', name: '常规扫描' }, { id: 'm2', name: '增强扫描' }] },
-    { id: 'item_64', name: '64排CT平扫', checked: false, methods: [] }
+    { id: 101, name: '套餐：128线排彩超', checked: false, type: '套餐', methods: [
+      { id: 201, name: '常规扫查', checked: false },
+      { id: 202, name: '血流多普勒', checked: false }
+    ]}
+  ]
+  availableMethods.value = [
+    { id: 301, name: '独立检查方法A', checked: false },
+    { id: 302, name: '独立检查方法B', checked: false }
   ]
 }
 
-// 核心修复1：项目勾选与检查方法解耦
+// 修复1：项目勾选与检查方法完全解耦，不触发自动联动
 const handleItemCheck = (item) => {
   if (item.checked) {
-    if (!selectedItems.value.find(s => s.id === item.id)) {
-      selectedItems.value.push({
-        ...item,
-        selectedMethods: [], // 默认不勾选任何关联方法
-        methods: item.methods || []
-      })
+    const exists = selectedItems.value.find(s => s.id === item.id)
+    if (!exists) {
+      // 深拷贝避免引用污染，保留关联方法供明细展示
+      selectedItems.value.push({ ...item, methods: item.methods ? [...item.methods] : [] })
     }
   } else {
     selectedItems.value = selectedItems.value.filter(s => s.id !== item.id)
   }
 }
 
-// 核心修复2：独立勾选检查方法，不反向联动项目
+// 修复1：中间区域检查方法独立勾选，不反向影响项目
 const handleMethodCheck = (method) => {
-  // 仅记录独立方法选择，不触发项目自动勾选逻辑
-  console.log('独立检查方法状态变更:', method.name, method.checked)
+  // 仅维护中间列表状态，业务层按需处理
 }
 
-// 明细面板内方法勾选
-const handleDetailMethodChange = (selItem, method) => {
-  // 仅更新当前套餐/项目的已选方法数组，保持层级独立
-  console.log(`项目 ${selItem.name} 方法变更:`, method.name)
+// 明细内方法独立勾选
+const handleDetailMethodCheck = (parent, method) => {
+  // 仅更新当前套餐/项目下的方法状态
 }
 
-const removeItem = (item) => {
-  selectedItems.value = selectedItems.value.filter(s => s.id !== item.id)
-  // 同步重置中间列表的勾选状态
-  const target = currentItems.value.find(i => i.id === item.id)
-  if (target) target.checked = false
+// 修复2：清理名称，去除“套餐”前缀及冗余符号
+const cleanName = (name) => {
+  if (!name) return ''
+  return name.replace(/^套餐[：:]/, '').trim()
 }
 </script>
 
 <style scoped>
-.exam-apply-container { padding: 16px; }
+.exam-apply-container { padding: 20px; }
 .mb-20 { margin-bottom: 20px; }
-.item-row, .method-row {
-  display: flex;
-  align-items: center;
-  padding: 8px 0;
-  border-bottom: 1px dashed #eee;
-}
-.item-name-text {
-  margin-left: 8px;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  max-width: 200px;
-}
-.selected-area { min-height: 200px; }
-.card-header {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  width: 100%;
-  padding-right: 10px;
-}
-.item-name {
-  font-weight: 500;
-  max-width: 280px;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  display: inline-block;
-}
-.details-panel { padding: 12px; background: #f8f9fa; border-radius: 4px; }
-.group-label { font-weight: bold; margin-right: 8px; color: #606266; }
-.empty-tip { color: #909399; font-size: 12px; }
+.item-row, .method-row { display: flex; align-items: center; padding: 8px 0; gap: 8px; }
+.item-name-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.card-header { display: flex; align-items: center; width: 100%; }
+.item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.ml-2 { margin-left: 8px; }
+.details-panel { padding: 12px; background: #f5f7fa; border-radius: 4px; margin-top: 4px; }
+.group-title { font-weight: 600; margin-bottom: 8px; color: #606266; font-size: 13px; }
+.method-item { display: flex; align-items: center; padding: 4px 0; gap: 8px; }
+.empty-detail { color: #909399; font-size: 12px; padding: 4px 0; }
 </style>
diff --git a/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts b/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
index 8e3ea3d7d..6ca8cca26 100755
--- a/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
+++ b/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
@@ -35,27 +35,29 @@ describe('HIS System Regression Tests', () => {
     })
   })
 
-  // @bug576 @regression
-  describe('Bug #576: Lab Request Edit Item Echo', () => {
-    it('should correctly echo selected lab items when editing a pending sign request', () => {
-      cy.login('doctor1', '123456')
-      cy.visit('/inpatient/doctor-station')
+  // @bug550 @regression
+  describe('Bug #550: Exam Item Selection Interaction Optimization', () => {
+    it('should decouple item/method selection, display full names without "套餐" prefix, and show hierarchical collapsed details', () => {
+      cy.visit('/outpatient/examination/apply')
       
-      // 进入检验申请页签
-      cy.get('[data-cy="tab-inspection"]').click()
-      cy.wait(500)
-      
-      // 点击第一条待签发记录的修改按钮
-      cy.get('[data-cy="inspection-table"] tbody tr').first().find('[data-cy="btn-edit"]').click()
-      cy.get('[data-cy="edit-inspection-dialog"]').should('be.visible')
-      
-      // 验证主表字段回显正常
-      cy.get('[data-cy="symptom-input"]').should('not.be.empty')
-      
-      // 验证右侧已选择列表回显，不应显示“无数据”
-      cy.get('[data-cy="selected-items-panel"]').should('not.contain', '无数据')
-      cy.get('[data-cy="selected-items-list"]').should('contain', '肝功能常规检查')
-      cy.get('[data-cy="selected-items-list"]').should('contain', '￥31.00')
+      // 1. 展开分类并勾选项目
+      cy.get('[data-cy="category-tree"]').contains('彩超').click()
+      cy.get('[data-cy="item-list"]').contains('128线排').parent().find('input[type="checkbox"]').check()
+
+      // 2. 验证联动解耦：检查方法区域未被自动勾选
+      cy.get('[data-cy="method-list"]').find('input[type="checkbox"]:checked').should('have.length', 0)
+
+      // 3. 验证已选卡片显示：名称完整/提示，去除“套餐”冗余前缀
+      cy.get('[data-cy="selected-area"]').should('be.visible')
+      cy.get('[data-cy="selected-card"]').should('contain', '128线排')
+      cy.get('[data-cy="selected-card"]').should('not.contain', '套餐')
+
+      // 4. 验证默认收起状态及层级结构（项目 > 检查方法）
+      cy.get('[data-cy="selected-card"] .details-panel').should('not.be.visible') // 默认收起
+      cy.get('[data-cy="selected-card"] .card-header').click() // 点击展开
+      cy.get('[data-cy="selected-card"] .details-panel').should('be.visible')
+      cy.get('[data-cy="selected-card"] .details-panel').should('contain', '检查方法')
+      cy.get('[data-cy="selected-card"] .details-panel').should('not.contain', '项目套餐明细') // 验证冗余标签已移除
     })
   })
 })