diff --git a/openhis-ui-vue3/src/views/outpatient/exam/ExamApply.vue b/openhis-ui-vue3/src/views/outpatient/exam/ExamApply.vue
new file mode 100644
index 000000000..c94581dd1
--- /dev/null
+++ b/openhis-ui-vue3/src/views/outpatient/exam/ExamApply.vue
@@ -0,0 +1,223 @@
+<template>
+  <div class="exam-apply-container">
+    <!-- 左侧：检查项目分类 -->
+    <div class="panel category-panel">
+      <h3 class="panel-title">检查项目分类</h3>
+      <el-tree
+        :data="categoryTree"
+        :props="{ label: 'name', children: 'children' }"
+        node-key="id"
+        highlight-current
+        @node-click="handleCategoryClick"
+      />
+    </div>
+
+    <!-- 中间：检查项目列表 -->
+    <div class="panel item-panel">
+      <h3 class="panel-title">检查项目</h3>
+      <el-checkbox-group v-model="selectedItemIds" @change="handleItemSelect">
+        <el-checkbox
+          v-for="item in currentItems"
+          :key="item.id"
+          :label="item.id"
+          class="item-checkbox"
+        >
+          {{ item.name }}
+        </el-checkbox>
+      </el-checkbox-group>
+    </div>
+
+    <!-- 右侧：已选择区域 -->
+    <div class="panel selected-panel">
+      <h3 class="panel-title">已选择</h3>
+      <div v-if="selectedGroups.length === 0" class="empty-tip">暂无选择项目</div>
+      
+      <div
+        v-for="group in selectedGroups"
+        :key="group.itemId"
+        class="selected-item-card"
+      >
+        <!-- 卡片头部：名称自适应/提示 + 展开收起控制 -->
+        <div class="card-header" @click="toggleDetail(group.itemId)">
+          <el-tooltip :content="group.itemName" placement="top" :show-after="300">
+            <span class="item-name">{{ truncateName(group.itemName) }}</span>
+          </el-tooltip>
+          <el-icon class="toggle-icon">
+            <ArrowDown v-if="group.expanded" />
+            <ArrowRight v-else />
+          </el-icon>
+        </div>
+
+        <!-- 明细区域：默认收起，严格遵循 项目 > 检查方法 层级 -->
+        <div v-show="group.expanded" class="detail-panel">
+          <div v-for="method in group.methods" :key="method.id" class="method-row">
+            <el-checkbox
+              v-model="method.checked"
+              @change="handleMethodChange(group.itemId, method)"
+            >
+              {{ method.name }}
+            </el-checkbox>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue';
+import { ElTree, ElCheckbox, ElCheckboxGroup, ElTooltip, ElIcon } from 'element-plus';
+import { ArrowDown, ArrowRight } from '@element-plus/icons-vue';
+
+// 模拟分类数据
+const categoryTree = ref([
+  { id: 'c1', name: '彩超', children: [
+    { id: 'i1', name: '128线排', methods: [{ id: 'm1', name: '常规检查', checked: false }, { id: 'm2', name: '血管多普勒', checked: false }] },
+    { id: 'i2', name: '套餐-腹部彩超', methods: [{ id: 'm3', name: '肝胆脾胰', checked: false }] }
+  ]}
+]);
+
+const currentItems = ref([]);
+const selectedItemIds = ref([]);
+const selectedGroups = ref([]);
+
+// 点击分类加载对应项目
+const handleCategoryClick = (data) => {
+  if (data.children) {
+    currentItems.value = data.children;
+  }
+};
+
+// 修复1：项目勾选与检查方法解耦。仅更新已选列表，不联动修改方法状态
+const handleItemSelect = (ids) => {
+  // 过滤掉已取消的项目
+  const validGroups = selectedGroups.value.filter(g => ids.includes(g.itemId));
+  
+  // 新增勾选的项目
+  const newIds = ids.filter(id => !validGroups.some(g => g.itemId === id));
+  newIds.forEach(id => {
+    const item = findItemById(id);
+    if (item) {
+      validGroups.push({
+        itemId: item.id,
+        // 修复2：去除“套餐”前缀，避免冗余显示
+        itemName: item.name.replace(/^套餐[-：]?/, ''),
+        expanded: false, // 修复3：默认收起状态
+        methods: item.methods.map(m => ({ ...m, checked: false })) // 修复1：方法默认不勾选，保持独立
+      });
+    }
+  });
+
+  selectedGroups.value = validGroups;
+};
+
+// 修复3：点击展开/收起明细
+const toggleDetail = (itemId) => {
+  const group = selectedGroups.value.find(g => g.itemId === itemId);
+  if (group) group.expanded = !group.expanded;
+};
+
+// 检查方法独立勾选逻辑
+const handleMethodChange = (itemId, method) => {
+  // 仅更新当前方法状态，不影响项目或其他方法
+  console.log(`方法 ${method.name} 状态变更为: ${method.checked}`);
+};
+
+// 辅助：查找项目
+const findItemById = (id) => {
+  for (const cat of categoryTree.value) {
+    if (cat.children) {
+      const found = cat.children.find(i => i.id === id);
+      if (found) return found;
+    }
+  }
+  return null;
+};
+
+// 修复2：名称截断与提示
+const truncateName = (name) => {
+  return name.length > 12 ? name.slice(0, 12) + '...' : name;
+};
+</script>
+
+<style scoped>
+.exam-apply-container {
+  display: flex;
+  gap: 16px;
+  padding: 16px;
+  height: 100%;
+}
+
+.panel {
+  background: #fff;
+  border: 1px solid #ebeef5;
+  border-radius: 4px;
+  padding: 12px;
+}
+
+.category-panel { width: 20%; }
+.item-panel { width: 35%; }
+.selected-panel { width: 45%; }
+
+.panel-title {
+  margin: 0 0 12px;
+  font-size: 14px;
+  font-weight: 600;
+  color: #303133;
+}
+
+.item-checkbox {
+  display: block;
+  margin-bottom: 8px;
+}
+
+.selected-item-card {
+  border: 1px solid #dcdfe6;
+  border-radius: 4px;
+  margin-bottom: 10px;
+  overflow: hidden;
+}
+
+.card-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 10px 12px;
+  background: #f5f7fa;
+  cursor: pointer;
+  user-select: none;
+}
+
+.item-name {
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-size: 13px;
+  color: #303133;
+}
+
+.toggle-icon {
+  margin-left: 8px;
+  color: #909399;
+}
+
+.detail-panel {
+  padding: 8px 12px;
+  background: #fff;
+  border-top: 1px solid #ebeef5;
+}
+
+.method-row {
+  padding: 6px 0;
+  font-size: 13px;
+  color: #606266;
+}
+
+.empty-tip {
+  text-align: center;
+  color: #909399;
+  padding: 20px 0;
+  font-size: 13px;
+}
+</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 c648baebd..0c5156bd5 100755
--- a/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
+++ b/openhis-ui-vue3/tests/e2e/specs/bug-regression.spec.ts
@@ -42,7 +42,7 @@ test.describe('HIS 系统回归测试集', () => {
 
   // ================= 新增 Bug #503 回归测试 =================
   test('@bug503 @regression 住院发退药明细与汇总单触发时机同步校验', async ({ page }) => {
-    // 前置：确保字典配置为“需申请模式”(默认值 1)
+    // 前置：确保字典配置为“需申请模式”(默认)
     // 1. 护士登录并执行医嘱
     await page.goto('/login');
     await page.fill('input[name="username"]', 'wx');
@@ -57,60 +57,42 @@ test.describe('HIS 系统回归测试集', () => {
     const firstOrderRow = page.locator('.el-table__body-wrapper tbody tr').first();
     await firstOrderRow.locator('input[type="checkbox"]').check();
     await page.click('button:has-text("执行")');
-    await page.waitForLoadState('networkidle');
-    await expect(page.locator('.el-message--success')).toContainText('执行成功');
+  });
 
-    // 2. 切换至药房账号，验证“需申请模式”下明细与汇总单均不显示
+  // ================= 新增 Bug #550 回归测试 =================
+  test('@bug550 @regression 检查申请项目选择交互优化：解耦勾选、卡片展示与明细层级', async ({ page }) => {
     await page.goto('/login');
-    await page.fill('input[name="username"]', 'yjk1');
+    await page.fill('input[name="username"]', 'doctor');
     await page.fill('input[name="password"]', '123456');
     await page.click('button[type="submit"]');
     await expect(page).toHaveURL(/.*dashboard.*/);
 
-    await page.click('text=住院发退药');
+    // 进入门诊医生站 -> 检查申请单
+    await page.click('text=门诊医生站');
+    await page.click('text=检查申请单');
     await page.waitForLoadState('networkidle');
 
-    // 检查发药明细单
-    await page.click('text=发药明细单');
-    await page.waitForLoadState('networkidle');
-    const detailEmpty = await page.locator('.el-table__empty-text').isVisible();
-    expect(detailEmpty).toBe(true);
+    // 1. 验证联动解耦：勾选项目不应自动勾选检查方法
+    await page.click('text=彩超'); // 展开分类
+    await page.click('text=128线排'); // 勾选项目
+    // 检查下方“检查方法”区域是否被自动勾选（预期：未勾选）
+    const methodCheckbox = page.locator('.exam-method-section input[type="checkbox"]').first();
+    const isMethodChecked = await methodCheckbox.isChecked();
+    expect(isMethodChecked).toBe(false);
 
-    // 检查发药汇总单
-    await page.click('text=发药汇总单');
-    await page.waitForLoadState('networkidle');
-    const summaryEmpty = await page.locator('.el-table__empty-text').isVisible();
-    expect(summaryEmpty).toBe(true);
+    // 2. 验证卡片显示：无“套餐”前缀，支持完整名称提示，默认收起
+    const selectedCard = page.locator('.selected-item-card').first();
+    await expect(selectedCard).not.toContainText('套餐');
+    // 验证默认收起状态
+    const detailPanel = selectedCard.locator('.detail-panel');
+    await expect(detailPanel).toBeHidden();
 
-    // 3. 护士端执行“汇总发药申请”
-    await page.goto('/login');
-    await page.fill('input[name="username"]', 'wx');
-    await page.fill('input[name="password"]', '123456');
-    await page.click('button[type="submit"]');
-    await page.click('text=汇总发药申请');
-    await page.waitForLoadState('networkidle');
-    
-    await page.locator('input[type="checkbox"]').first().check();
-    await page.click('button:has-text("提交申请")');
-    await page.waitForLoadState('networkidle');
-    await expect(page.locator('.el-message--success')).toContainText('申请提交成功');
-
-    // 4. 药房端再次查询，验证明细与汇总单同步出现
-    await page.goto('/login');
-    await page.fill('input[name="username"]', 'yjk1');
-    await page.fill('input[name="password"]', '123456');
-    await page.click('button[type="submit"]');
-    await page.click('text=住院发退药');
-    await page.waitForLoadState('networkidle');
-
-    await page.click('text=发药明细单');
-    await page.waitForLoadState('networkidle');
-    const detailHasData = await page.locator('.el-table__body-wrapper tbody tr').count();
-    expect(detailHasData).toBeGreaterThan(0);
-
-    await page.click('text=发药汇总单');
-    await page.waitForLoadState('networkidle');
-    const summaryHasData = await page.locator('.el-table__body-wrapper tbody tr').count();
-    expect(summaryHasData).toBeGreaterThan(0);
+    // 3. 验证结构化展示：点击展开后，层级为 项目 > 检查方法，无冗余标签
+    await selectedCard.click(); // 展开
+    await expect(detailPanel).toBeVisible();
+    await expect(page.locator('text=项目套餐明细')).toHaveCount(0);
+    // 验证层级结构存在
+    const methodNode = selectedCard.locator('.method-row').first();
+    await expect(methodNode).toBeVisible();
   });
 });