diff --git a/package.json b/package.json
index c295c04d..e382e811 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "opensabre-admin",
   "description": "Opensabre开发管理平台",
-  "version": "4.0.0",
+  "version": "1.1.3",
   "private": true,
   "packageManager": "pnpm@10.26.2",
   "type": "module",
diff --git a/src/utils/request.ts b/src/utils/request.ts
index e3e23a95..e4d53ed2 100644
--- a/src/utils/request.ts
+++ b/src/utils/request.ts
@@ -13,7 +13,10 @@ import { normalizeDateTimeValues } from "@/utils/format";
 const http = axios.create({
   baseURL: import.meta.env.VITE_APP_BASE_API,
   timeout: 50000,
-  headers: { "Content-Type": "application/json;charset=utf-8" },
+  headers: {
+    Accept: "application/json",
+    "Content-Type": "application/json;charset=utf-8",
+  },
   paramsSerializer: (params) => qs.stringify(params),
 });
 
diff --git a/src/views/security/online-user/index.vue b/src/views/security/online-user/index.vue
index 5f222971..d14d9430 100644
--- a/src/views/security/online-user/index.vue
+++ b/src/views/security/online-user/index.vue
@@ -25,17 +25,33 @@
         highlight-current-row
         border
         class="table-section__content"
+        row-key="sessionId"
+        empty-text="暂无在线用户"
       >
+        <el-table-column type="expand">
+          <template #default="{ row }">
+            <div class="online-user-detail">
+              <el-descriptions :column="3" border>
+                <el-descriptions-item label="认证类型">
+                  {{ row.authenticationType || "-" }}
+                </el-descriptions-item>
+                <el-descriptions-item label="客户端">
+                  {{ clientSummary(row.userAgent) }}
+                </el-descriptions-item>
+                <el-descriptions-item label="会话 ID">
+                  {{ row.sessionId || "-" }}
+                </el-descriptions-item>
+                <el-descriptions-item label="完整客户端信息" :span="3">
+                  <span class="user-agent">{{ row.userAgent || "-" }}</span>
+                </el-descriptions-item>
+              </el-descriptions>
+            </div>
+          </template>
+        </el-table-column>
         <el-table-column type="index" label="#" width="56" />
         <el-table-column label="用户名" prop="username" width="140" />
         <el-table-column label="显示名称" prop="displayName" width="140" />
         <el-table-column label="客户端IP" prop="ip" width="150" />
-        <el-table-column
-          label="认证类型"
-          prop="authenticationType"
-          width="180"
-          show-overflow-tooltip
-        />
         <el-table-column label="活跃状态" width="110">
           <template #default="{ row }">
             <el-tag :type="activityTagType(row.lastAccessTime)" effect="light">
@@ -57,12 +73,6 @@
             <div class="text-xs text-gray-400">{{ formatDateTime(row.lastAccessTime) }}</div>
           </template>
         </el-table-column>
-        <el-table-column label="会话ID" prop="sessionId" min-width="220" show-overflow-tooltip />
-        <el-table-column label="客户端" min-width="210">
-          <template #default="{ row }">
-            <span :title="row.userAgent">{{ clientSummary(row.userAgent) }}</span>
-          </template>
-        </el-table-column>
         <el-table-column label="操作" fixed="right" width="100">
           <template #default="{ row }">
             <el-button
@@ -167,3 +177,13 @@ onMounted(() => {
   fetchData();
 });
 </script>
+
+<style scoped>
+.online-user-detail {
+  padding: 12px 40px;
+}
+
+.user-agent {
+  overflow-wrap: anywhere;
+}
+</style>
diff --git a/tests/unit/utils/request.test.ts b/tests/unit/utils/request.test.ts
index 75438499..484b561b 100644
--- a/tests/unit/utils/request.test.ts
+++ b/tests/unit/utils/request.test.ts
@@ -42,6 +42,10 @@ describe("HTTP 响应拦截器", () => {
     vi.clearAllMocks();
   });
 
+  it("API 请求只声明接受 JSON，避免未认证请求被识别为页面导航", () => {
+    expect(request.defaults.headers.Accept).toBe("application/json");
+  });
+
   it("API 被重定向到登录页并返回 HTML 时跳转登录", async () => {
     const promise = request({
       url: "/api/org/user/current",