diff --git a/app/test/test_bug561_wanzikun.py b/app/test/test_bug561_wanzikun.py
new file mode 100644
index 0000000..4d420c4
--- /dev/null
+++ b/app/test/test_bug561_wanzikun.py
@@ -0,0 +1,93 @@
+import time
+import uuid
+from selenium import webdriver
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+from selenium.common.exceptions import UnexpectedAlertPresentException, NoAlertPresentException, NoSuchElementException, TimeoutException
+from selenium.webdriver import ActionChains
+
+def signup(URL, driver):
+    username = 'TestUser' + str(uuid.uuid1()).split('-')[0].title()
+    password = '[Abc+123]'
+
+    driver.get(URL)
+    try:
+        WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.LINK_TEXT, '注册'))).click()
+        WebDriverWait(driver, 10).until(EC.visibility_of_element_located((By.ID, 'username'))).send_keys(username)
+        driver.find_element(By.ID, 'password').send_keys(password)
+        driver.find_element(By.ID, 'password2').send_keys(password)
+        driver.find_element(By.CLASS_NAME, 'btn').click()
+
+        WebDriverWait(driver, 10).until(EC.alert_is_present())
+        driver.switch_to.alert.accept()
+        print(f"Registration successful: {username}")
+    except (UnexpectedAlertPresentException, NoAlertPresentException, TimeoutException, NoSuchElementException) as e:
+        print(f"Error during signup: {e}")
+        raise
+    return username, password
+
+def select_text_in_article(driver):
+    elem = driver.find_element(By.CSS_SELECTOR, '#article')
+    
+    action = ActionChains(driver)
+    # 从左上角点击并按住
+    action.move_to_element_with_offset(elem, 0, 0)
+    action.click_and_hold()
+    # 移动到右下角的某个位置（例如，右下角偏移100, 100）
+    action.move_by_offset(100, 100)
+    action.release()
+    action.perform()
+
+def verify_highlight(driver):
+    # 检查是否有高亮的元素
+    highlighted_elements = driver.execute_script("""
+        return Array.from(document.querySelectorAll('#article mark')).map(mark => mark.innerText);
+    """)
+    print("Highlighted elements:", highlighted_elements)
+    return len(highlighted_elements) > 0
+
+def test_bug561():
+    driver = webdriver.Edge()
+    try:
+        driver.maximize_window()
+        base_url = "http://118.25.96.118:90/"
+        username, password = signup(base_url, driver)
+
+        time.sleep(3)  # 等待页面加载完成
+
+        select_text_in_article(driver)
+        if verify_highlight(driver):
+            print("Text highlighted after selection")
+        else:
+            print("No text highlighted after selection")
+
+        # 点击“下一页”按钮
+        next_button = WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.ID, 'load_next_article')))
+        next_button.click()
+        print("Clicked next article button.")
+        
+        # 等待“上一页”按钮加载完成
+        WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.ID, 'load_pre_article')))
+        print("Next article loaded.")
+
+        # 点击“上一页”按钮
+        prev_button = WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.ID, 'load_pre_article')))
+        prev_button.click()
+        print("Clicked previous article button.")
+        
+        # 确认高亮是否保留
+        if verify_highlight(driver):
+            print("Highlighted text preserved after switching articles")
+        else:
+            print("Highlighted text not preserved after switching articles")
+        
+    except Exception as e:
+        print(f"Error during test: {e}")
+    finally:
+        driver.quit()
+        print("Driver closed.")
+
+if __name__ == "__main__":
+    test_bug561()
+    input("Press Enter to continue...")  # 保持终端窗口打开