diff --git a/src/views/studentDemo/index.vue b/src/views/studentDemo/index.vue
index b0d015b..eb2a7cb 100644
--- a/src/views/studentDemo/index.vue
+++ b/src/views/studentDemo/index.vue
@@ -5,7 +5,9 @@
 <script setup>
 import { exchangeStudentDemoSession } from "@/api/studentDemo";
 import { saveStudentDemoSession } from "@/utils/studentDemo";
+import useUserStore from "@/store/modules/user";
 
+const userStore = useUserStore();
 const message = ref("正在连接教师演示会话…");
 let readyTimer;
 
@@ -17,9 +19,12 @@ function receiveTicket(event) {
   if (event.origin !== window.location.origin || event.source !== window.opener || event.data?.type !== "STUDENT_DEMO_TICKET") return;
   exchangeStudentDemoSession(event.data.ticket).then((res) => {
     saveStudentDemoSession(res.data);
+    userStore.token = res.data.token;
+    userStore.userInfo = res.data;
     window.clearInterval(readyTimer);
     window.removeEventListener("message", receiveTicket);
-    window.location.replace("/#/index");
+    window.location.hash = "#/index";
+    window.location.reload();
   }).catch(() => { message.value = "演示链接已失效，请返回教师端重新打开。"; });
 }
 
diff --git a/tests/student-demo-hash-routing.test.mjs b/tests/student-demo-hash-routing.test.mjs
index 434eaaa..e3b70df 100644
--- a/tests/student-demo-hash-routing.test.mjs
+++ b/tests/student-demo-hash-routing.test.mjs
@@ -7,6 +7,10 @@ const teacherTaskPage = readFileSync(resolve(root, "src/views/teacherEnd/trainin
 const studentDemoPage = readFileSync(resolve(root, "src/views/studentDemo/index.vue"), "utf8");
 
 assert.match(teacherTaskPage, /window\.open\("\/#\/student-demo", "_blank"\)/, "学生端讲解必须通过 Hash 路由打开演示入口");
-assert.match(studentDemoPage, /window\.location\.replace\("\/#\/index"\)/, "兑换演示学生会话后必须通过 Hash 路由进入学生首页");
+assert.match(studentDemoPage, /import useUserStore from "@\/store\/modules\/user";/, "演示页必须能更新当前窗口的用户状态");
+assert.match(studentDemoPage, /userStore\.token = res\.data\.token;/, "兑换成功后必须替换教师窗口初始 token");
+assert.match(studentDemoPage, /userStore\.userInfo = res\.data;/, "兑换成功后必须替换教师窗口初始用户身份");
+assert.match(studentDemoPage, /window\.location\.hash = "#\/index";/, "兑换演示学生会话后必须切换到学生首页 Hash");
+assert.match(studentDemoPage, /window\.location\.reload\(\);/, "切换演示身份后必须重新初始化动态路由和侧栏");
 
 console.log("student demo uses hash routes instead of falling back to the teacher homepage");