diff --git a/tests/clazz-dual-view.spec.ts b/tests/clazz-dual-view.spec.ts
index 77a058c..12712d8 100644
--- a/tests/clazz-dual-view.spec.ts
+++ b/tests/clazz-dual-view.spec.ts
@@ -44,7 +44,7 @@ test.describe('排课双视图切换（阿难账号）', () => {
     await expect(calBtn).toHaveClass(/van-button--primary/);
   });
 
-  test('切换到矩阵视图后显示时段和日期列', async ({ page }) => {
+  test('切换到矩阵视图后显示时段列和日期行', async ({ page }) => {
     await loginAsTeacher(page);
     await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
     await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
@@ -59,18 +59,26 @@ test.describe('排课双视图切换（阿难账号）', () => {
     const matrixContainer = page.locator('.matrix-container');
     await expect(matrixContainer).toBeVisible({ timeout: 10_000 });
 
-    // Should show header with date+time columns
-    const header = page.locator('.matrix-header');
-    await expect(header).toBeVisible();
+    // Header should show time slot labels (第一节 ~ 第四节)
+    const headerCells = page.locator('.header-cell');
+    await expect(headerCells.first()).toBeVisible();
+    const count = await headerCells.count();
+    await expect(count).toBeGreaterThanOrEqual(4);
 
-    // Should have at least one header column
-    const headerCols = header.locator('.header-col');
-    expect(await headerCols.count()).toBeGreaterThanOrEqual(1);
+    // Each header cell should have slot label + time
+    const firstHeader = headerCells.first();
+    await expect(firstHeader.locator('.header-label')).toBeVisible();
+    await expect(firstHeader.locator('.header-time')).toBeVisible();
 
-    // Each header column should have date and time labels
-    const firstCol = headerCols.first();
-    await expect(firstCol.locator('.header-date')).toBeVisible();
-    await expect(firstCol.locator('.header-time')).toBeVisible();
+    // Day sidebar should show weekday labels (周一 ~ 周日)
+    const dayCells = page.locator('.day-cell');
+    await expect(dayCells.first()).toBeVisible();
+    expect(await dayCells.count()).toBe(7);
+
+    // Each day cell should have day name + date
+    const firstDay = dayCells.first();
+    await expect(firstDay.locator('.day-name')).toBeVisible();
+    await expect(firstDay.locator('.day-date')).toBeVisible();
   });
 
   test('矩阵视图导航栏可操作（上一周/本周/下一周）', async ({ page }) => {
@@ -106,8 +114,8 @@ test.describe('排课双视图切换（阿难账号）', () => {
     await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
     await page.waitForTimeout(1500);
 
-    // Check event blocks exist in the body
-    const eventBlocks = page.locator('.matrix-body .event-block');
+    // Check event blocks exist in the grid
+    const eventBlocks = page.locator('.event-block');
     const count = await eventBlocks.count();
 
     if (count === 0) {
@@ -115,7 +123,7 @@ test.describe('排课双视图切换（阿难账号）', () => {
       return;
     }
 
-    // First block should show info
+    // First block should show course name
     const first = eventBlocks.first();
     await expect(first.locator('.ev-title')).toBeVisible();
 
@@ -144,7 +152,6 @@ test.describe('排课双视图切换（阿难账号）', () => {
     await page.waitForTimeout(1500);
 
     // Calendar (FullCalendar) should be visible
-    const calendarView = page.locator('.calendar.fc'); // FullCalendar root
     await expect(page.locator('.fc')).toBeVisible({ timeout: 10_000 });
   });
 });