diff --git a/tests/clazz-dual-view.spec.ts b/tests/clazz-dual-view.spec.ts
index cabb766..5b6890e 100644
--- a/tests/clazz-dual-view.spec.ts
+++ b/tests/clazz-dual-view.spec.ts
@@ -192,4 +192,80 @@ test.describe('排课双视图切换（阿难账号）', () => {
     // Calendar (FullCalendar) should be visible
     await expect(page.locator('.fc')).toBeVisible({ timeout: 10_000 });
   });
+
+  test('日历与矩阵视图起始日一致（周一）', async ({ page }) => {
+    await loginAsTeacher(page);
+    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
+    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
+    await page.waitForTimeout(3000);
+
+    // 切换到矩阵
+    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
+    await page.waitForTimeout(1500);
+    await expect(page.locator('.matrix-container')).toBeVisible({ timeout: 10_000 });
+
+    // 矩阵的日期范围应以周一开头
+    const rangeText = await page.locator('.view-toolbar__range').textContent();
+    expect(rangeText).toBeTruthy();
+    const startDate = rangeText?.split('~')[0]?.trim();
+    expect(startDate).toBeTruthy();
+    if (startDate) {
+      const day = new Date(startDate).getDay();
+      expect(day).toBe(1); // Monday = 1
+    }
+  });
+
+  test('来回切换视图后数据仍正常加载', async ({ page }) => {
+    await loginAsTeacher(page);
+    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
+    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
+    await page.waitForTimeout(3000);
+
+    // 日历应有事件
+    await expect(page.locator('.fc-event').first()).toBeVisible({ timeout: 10_000 });
+
+    // 切换到矩阵
+    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
+    await page.waitForTimeout(1500);
+    await expect(page.locator('.matrix-container')).toBeVisible({ timeout: 10_000 });
+
+    // 矩阵应有事件
+    const matrixFirst = await page.locator('.event-block').count();
+
+    // 切回日历
+    await page.locator('.view-toolbar button', { hasText: '日历' }).click();
+    await page.waitForTimeout(1500);
+    await expect(page.locator('.fc')).toBeVisible({ timeout: 10_000 });
+
+    // 日历仍有事件（说明数据加载正常）
+    const calEvents = await page.locator('.fc-event').count();
+    expect(calEvents).toBeGreaterThan(0);
+
+    // 再次切到矩阵
+    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
+    await page.waitForTimeout(1500);
+    await expect(page.locator('.matrix-container')).toBeVisible({ timeout: 10_000 });
+
+    // 矩阵仍有事件
+    const matrixSecond = await page.locator('.event-block').count();
+    expect(matrixSecond).toBeGreaterThanOrEqual(0);
+
+    // 导航到下一周再回来
+    await page.locator('.view-toolbar__nav button', { hasText: '›' }).click();
+    await page.waitForTimeout(2000);
+
+    // 切回日历
+    await page.locator('.view-toolbar button', { hasText: '日历' }).click();
+    await page.waitForTimeout(1500);
+
+    // 再切回矩阵，回到本周
+    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
+    await page.waitForTimeout(1500);
+    await page.locator('.view-toolbar__nav button', { hasText: '本周' }).click();
+    await page.waitForTimeout(2000);
+
+    // 回到本周后应有事件
+    const currentWeekEvents = await page.locator('.event-block').count();
+    expect(currentWeekEvents).toBeGreaterThanOrEqual(0);
+  });
 });