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 8cfa6802..d0d34308 100644
--- a/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
+++ b/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
@@ -301,7 +301,12 @@
               <div v-if="filteredCategoryList.length === 0" class="empty-hint">
                 {{ dictLoading ? '' : '暂无检查项目，请在"检查项目设置"中配置' }}
               </div>
-              <el-collapse v-else v-model="activeNames" @change="(activeNames) => handleCollapseChange(activeNames)">
+              <el-collapse
+                v-else
+                v-model="activeNames"
+                accordion
+                @change="handleCollapseChange"
+              >
                 <el-collapse-item
                   v-for="cat in filteredCategoryList"
                   :key="cat.typeId"
@@ -511,7 +516,7 @@ const rules = {
 // ====== 检查项目分类 ======
 const categoryList = ref([]);   // 原始分类+项目数据
 const dictSearchKey = ref('');
-const activeNames = ref([]);    // 当前展开的折叠项
+const activeNames = ref('');    // 当前展开的折叠项
 
 const allMethods = ref([]);
 
@@ -652,14 +657,12 @@ async function handleCategoryExpand(cat) {
     console.error('加载分类检查方法失败', err);
   }
 }
-async function handleCollapseChange(activeNames) {
+async function handleCollapseChange(activeName) {
   // 当折叠面板展开时，加载对应分类的检查方法
-  if (Array.isArray(activeNames) && activeNames.length > 0) {
-    for (const typeId of activeNames) {
-      const cat = filteredCategoryList.value.find(c => c.typeId == typeId);
-      if (cat && (!cat.methods || cat.methods.length === 0)) {
-        await handleCategoryExpand(cat);
-      }
+  if (activeName) {
+    const cat = filteredCategoryList.value.find(c => c.typeId == activeName);
+    if (cat && (!cat.methods || cat.methods.length === 0)) {
+      await handleCategoryExpand(cat);
     }
   }
 }
@@ -761,7 +764,7 @@ async function loadCategoryList() {
 
     // 默认展开第一个
     if (categoryList.value.length > 0) {
-      activeNames.value = [categoryList.value[0].typeId];
+      activeNames.value = categoryList.value[0].typeId;
     }
   } catch (err) {
     console.error('加载检查项目分类失败', err);