diff --git a/app/pickle_idea2.py b/app/pickle_idea2.py
index 0da55bc..4c93985 100644
--- a/app/pickle_idea2.py
+++ b/app/pickle_idea2.py
@@ -64,10 +64,9 @@ def load_record(pickle_fname):
 
 def save_frequency_to_pickle(d, pickle_fname):
     f = open(pickle_fname, 'wb')
-    exclusion_lst = ['one', 'no', 'has', 'had', 'do', 'that', 'have', 'by', 'not', 'but', 'we', 'this', 'my', 'him', 'so', 'or', 'as', 'are', 'it', 'from', 'with', 'be', 'can', 'for', 'an', 'if', 'who', 'whom', 'whose', 'which', 'the', 'to', 'a', 'of', 'and', 'you', 'i', 'he', 'she', 'they', 'me', 'was', 'were', 'is', 'in', 'at', 'on', 'their', 'his', 'her', 's', 'said', 'all', 'did', 'been', 'w']
     d2 = {}
     for k in d:
-        if not k in exclusion_lst and not k.isnumeric() and not len(k) < 2:
+        if not k.isnumeric() and not len(k) < 2:
             d2[k] = list(sorted(d[k])) # 原先这里是d2[k] = list(sorted(set(d[k])))
     pickle.dump(d2, f)
     f.close()
diff --git a/app/test/test_bug###_nizhouting.py b/app/test/test_bug###_nizhouting.py
new file mode 100644
index 0000000..3303348
--- /dev/null
+++ b/app/test/test_bug###_nizhouting.py
@@ -0,0 +1,2 @@
+def test_add_simple_word_to_vocabulary(driver, URL):
+    return
\ No newline at end of file
diff --git a/app/user_service.py b/app/user_service.py
index 27323b8..eeca743 100644
--- a/app/user_service.py
+++ b/app/user_service.py
@@ -178,14 +178,27 @@ def user_mark_word(username):
         d = load_freq_history(user_freq_record)
         lst_history = pickle_idea2.dict2lst(d)
         lst = []
-        for word in request.form.getlist('marked'):
-            lst.append((word, [get_time()]))
-        d = pickle_idea2.merge_frequency(lst, lst_history)
-        if len(lst_history) > 999:
-            flash('You have way too many words in your difficult-words book. Delete some first.')
+        # pickle_idea2.save_frequency_to_pickle中设置的较为简单的无法加入生词簿的单词,虽然生词簿未添加但添加后顶部依然会显示"Added ***"的信息
+        exclusion_lst = ['one', 'no', 'has', 'had', 'do', 'that', 'have', 'by', 'not', 'but', 'we', 'this', 'my',
+                         'him', 'so', 'or', 'as', 'are', 'it', 'from', 'with', 'be', 'can', 'for', 'an', 'if',
+                         'who', 'whom', 'whose', 'which', 'the', 'to', 'a', 'of', 'and', 'you', 'i', 'he', 'she',
+                         'they', 'me', 'was', 'were', 'is', 'in', 'at', 'on', 'their', 'his', 'her', 's', 'said',
+                         'all', 'did', 'been', 'w']
+        add = request.form.getlist('marked')
+        trueadd = []
+        for word in add:
+            if word not in exclusion_lst:
+                trueadd.append(word)
+                lst.append((word, [get_time()]))
+        if len(trueadd) > 0:  # 如果有单词被添加
+            d = pickle_idea2.merge_frequency(lst, lst_history)
+            if len(lst_history) > 999:
+                flash('You have way too many words in your difficult-words book. Delete some first.')
+            else:
+                pickle_idea2.save_frequency_to_pickle(d, user_freq_record)
+                flash('Added %s.' % (', '.join(trueadd)))  # 显示添加的单词
         else:
-            pickle_idea2.save_frequency_to_pickle(d, user_freq_record)
-            flash('Added %s.' % (', '.join(request.form.getlist('marked'))))
+            flash('No new words were added.')  # 没有单词被添加
         return redirect(url_for('user_bp.userpage', username=username))
     else:
         return 'Under construction'