diff --git a/app/test/test_bug551_DingZeYu.py b/app/test/test_bug551_DingZeYu.py
index 9fdb24f..7351dfe 100644
--- a/app/test/test_bug551_DingZeYu.py
+++ b/app/test/test_bug551_DingZeYu.py
@@ -8,12 +8,11 @@ from selenium.webdriver.support import expected_conditions as EC
 from selenium.webdriver.support.wait import WebDriverWait
 from helper import signup
 
-def test_bug551():
-    driver = webdriver.Edge()
+def test_bug551(driver, URL):
     driver.maximize_window()
-    driver.get("http://127.0.0.1:5000/")
+    driver.get(URL)
 
-    username, password = signup("http://127.0.0.1:5000/", driver)
+    username, password = signup(URL, driver)
 
     article = driver.find_element(By.ID, 'article')
     actions = ActionChains(driver)