diff --git a/portal/web/e2e/portal.spec.js b/portal/web/e2e/portal.spec.js
index d2bfcac..d17e81c 100644
--- a/portal/web/e2e/portal.spec.js
+++ b/portal/web/e2e/portal.spec.js
@@ -21,6 +21,10 @@ test.describe("portal responsive workflow", () => {
       }
     });
 
+    await page.addInitScript(() => {
+      Date.now = () => 1_787_280_000_000;
+      Math.random = () => 0.125;
+    });
     await page.goto("/login");
     await expect(page.getByRole("heading", { name: "登录 Chorus", level: 2 })).toBeVisible();
     await expectNoHorizontalOverflow(page);
@@ -66,7 +70,7 @@ test.describe("portal responsive workflow", () => {
     await expect(page.locator("#upload-error")).toBeVisible();
     await expect(page.locator("#image-upload")).toBeFocused();
     await page.locator('[data-mode="text"]').click();
-    await page.locator("#prompt").fill(`responsive submit ${width}`);
+    await page.locator("#prompt").fill("responsive workflow");
     await page.locator("#generate-button").click();
     await expect(page).toHaveURL(/\/generations\/\d+$/);
     await expect(page.getByText("任务正在排队")).toBeVisible();