测试文件也进行了修改，为了避免选择的单词出现空格的情况，增加了一个判断，若选中空格，则更换文章再次选择，这样总会选择到非空格的单词。

app/test/test_bug545_HuangHuiLing.py

@@ -9,55 +9,50 @@ from selenium.webdriver.common.action_chains import ActionChains
 from helper import signup
 
 
-def select(driver):
-    text_element = driver.find_element(By.ID, 'article')
-
+def select_one(driver):
+    question = driver.find_element(By.ID, 'question')
     # 创建ActionChains对象
     actions = ActionChains(driver)
 
     # 模拟鼠标移动到文本元素上
-    actions.move_to_element(text_element)
-
-    # 模拟鼠标按下并拖动以选择文本
-    actions.click()
-    actions.perform()
-    time.sleep(1)
-    # 找到包含要选择文字的元素
-    text_element = driver.find_element(By.ID, 'article_title')
-
-    # 创建ActionChains对象
-    actions = ActionChains(driver)
-
-    # 模拟鼠标移动到文本元素上
-    actions.move_to_element(text_element)
+    actions.move_to_element(question)
 
     # 模拟鼠标按下并拖动以选择文本
     actions.double_click()
     actions.perform()
-    actions.release()             # 释放鼠标按钮
+
+    # 获取选中的文本
+    return driver.find_element(By.ID, 'selected-words').get_attribute('value')
+
+def select_two(driver):
+    question = driver.find_element(By.ID, 'question')
+    article = driver.find_element(By.ID, 'article_title')
+
+# 创建ActionChains对象
+    actions = ActionChains(driver)
+    actions.move_to_element(article)
+    actions.click()
+    time.sleep(1)
+# 模拟鼠标移动到文本元素上
+    actions.move_to_element(question)
+
+    # 模拟鼠标按下并拖动以选择文本
+    actions.double_click()
+    actions.perform()
+
 
 def test_selected_second_word(driver, URL):
     try:
-        username, password = signup(URL, driver)
-        # 找到包含要选择文字的元素
-        text_element = driver.find_element(By.ID, 'article_title')
-
-        # 创建ActionChains对象
-        actions = ActionChains(driver)
-
-        # 模拟鼠标移动到文本元素上
-        actions.move_to_element(text_element)
-
-        # 模拟鼠标按下并拖动以选择文本
-        actions.double_click()
-        actions.perform()
-
-        # 获取选中的文本
-        selected_words = driver.find_element(By.ID, 'selected-words').get_attribute('value')
-
-        #再次选取
-        select(driver)
-        time.sleep(1)
+        signup(URL, driver)
+        selected_words = select_one(driver);
+        while selected_words.strip() == "":
+            load_next_article = driver.find_element(By.ID, "load_next_article")
+            action_chains = ActionChains(driver)
+            action_chains.click(load_next_article).perform()
+            time.sleep(1)
+            selected_words = select_one(driver)
+        assert selected_words.strip() != "", "选中的单词被放置框中"
+        select_two(driver)
         selected_second_words = driver.find_element(By.ID, 'selected-words').get_attribute('value')
         assert selected_second_words.strip() == "", "选中的单词被删除"
     finally: