diff --git a/app/analysis/analysis.py b/app/analysis/analysis.py
index 71e68ea..94b188e 100644
--- a/app/analysis/analysis.py
+++ b/app/analysis/analysis.py
@@ -117,13 +117,13 @@ def wordcloud_christmas(wxid, year='2023'):
         .add(series_name="聊天文字", data_pair=text_data, word_size_range=[5, 40])
     )
     # return w.render_embed()
-    dialogs = msg_db.get_messages_by_keyword(wxid, keyword, num=3, max_len=12,year_=year)
+    dialogs = msg_db.get_messages_by_keyword(wxid, keyword, num=3, max_len=12, year_=year)
 
     return {
         'wordcloud_chart_data': w.dump_options_with_quotes(),
         'keyword': keyword,
         'keyword_max_num': str(max_num),
-        'dialogs':dialogs ,
+        'dialogs': dialogs,
         'total_num': total_msg_len,
     }
 
@@ -133,11 +133,14 @@ def calendar_chart(wxid, is_Annual_report=False, year='2023'):
         calendar_data = msg_db.get_messages_by_days(wxid, is_Annual_report, year)
     except:
         return {
-        'calendar_chart_data': None,
-        'chat_days':0,
-    }
+            'calendar_chart_data': None,
+            'chat_days': 0,
+        }
     if not calendar_data:
-        return False
+        return {
+            'calendar_chart_data': None,
+            'chat_days': 0,
+        }
     min_ = min(map(lambda x: x[1], calendar_data))
     max_ = max(map(lambda x: x[1], calendar_data))
     start_date_ = calendar_data[0][0]
@@ -169,7 +172,7 @@ def calendar_chart(wxid, is_Annual_report=False, year='2023'):
     )
     return {
         'calendar_chart_data': c.dump_options_with_quotes(),
-        'chat_days':len(calendar_data),
+        'chat_days': len(calendar_data),
     }
 
 
diff --git a/app/components/scroll_bar.py b/app/components/scroll_bar.py
index 2994999..b6c96aa 100644
--- a/app/components/scroll_bar.py
+++ b/app/components/scroll_bar.py
@@ -10,7 +10,7 @@ class ScrollBar(QScrollBar):
               border-width: 0px;
               border: none;
               background:rgba(133, 135, 138, 0);
-              width:2px;
+              width:4px;
               margin: 0px 0px 0px 0px;
           }
           QScrollBar::handle:vertical {
diff --git a/app/util/emoji.py b/app/util/emoji.py
index 4a6c5cb..31b63ba 100644
--- a/app/util/emoji.py
+++ b/app/util/emoji.py
@@ -178,7 +178,7 @@ def get_most_emoji(messages):
     md5_nums = [(num[0], key, num[1]) for key, num in dic.items()]
     md5_nums.sort(key=lambda x: x[0],reverse=True)
     if not md5_nums:
-        return ''
+        return '',0
     md5 = md5_nums[0][1]
     num = md5_nums[0][0]
     emoji_info = md5_nums[0][2]
diff --git a/app/web_ui/web.py b/app/web_ui/web.py
index 9fe327f..6625315 100644
--- a/app/web_ui/web.py
+++ b/app/web_ui/web.py
@@ -42,7 +42,7 @@ def christmas():
         '正常作息': {'06:00', "07:00", "08:00", "09:00", "10:00", "11:00", "12:00", "13:00", "14:00", "15:00", "16:00",
                      "17:00", "18:00", "19:00", "20:00", "21:00"},
     }
-    time_, num = msg_data[0]
+    time_, num = msg_data[0] if msg_data else '', 0
     chat_time = f"凌晨{time_}" if time_ in {'00:00', '01:00', '02:00', '03:00', '04:00', '05:00'} else time_
     label = '夜猫子'
     for key, item in desc.items():
@@ -63,28 +63,29 @@ def christmas():
         month_data.sort(key=lambda x: x[1])
         max_month, max_num = month_data[-1]
         min_month, min_num = month_data[0]
-        min_month = min_month[-2:].lstrip('0')+'月'
-        max_month = max_month[-2:].lstrip('0')+'月'
+        min_month = min_month[-2:].lstrip('0') + '月'
+        max_month = max_month[-2:].lstrip('0') + '月'
     else:
         max_month, max_num = '月份', 0
         min_month, min_num = '月份', 0
     month_data = {
-        'year':'2023',
-        'total_msg_num':msg_db.get_messages_number(contact.wxid,'2023'),
-        'max_month':max_month,
-        'min_month':min_month,
-        'max_month_num':max_num,
-        'min_month_num':min_num,
+        'year': '2023',
+        'total_msg_num': msg_db.get_messages_number(contact.wxid, '2023'),
+        'max_month': max_month,
+        'min_month': min_month,
+        'max_month_num': max_num,
+        'min_month_num': min_num,
     }
-    calendar_data = analysis.calendar_chart(contact.wxid,True,year='2023')
-    emoji_msgs = msg_db.get_messages_by_type(contact.wxid,47,year_='2023')
-    url,num = get_most_emoji(emoji_msgs)
+    calendar_data = analysis.calendar_chart(contact.wxid, True, year='2023')
+    emoji_msgs = msg_db.get_messages_by_type(contact.wxid, 47, year_='2023')
+    url, num = get_most_emoji(emoji_msgs)
     emoji_data = {
-        'emoji_total_num':len(emoji_msgs),
-        'emoji_url':url,
-        'emoji_num':num,
+        'emoji_total_num': len(emoji_msgs),
+        'emoji_url': url,
+        'emoji_num': num,
     }
-    return render_template("christmas.html", **data, **wordcloud_cloud_data, **time_data,**month_data,**calendar_data,**emoji_data)
+    return render_template("christmas.html", **data, **wordcloud_cloud_data, **time_data, **month_data, **calendar_data,
+                           **emoji_data)
 
 
 # @app.route("/")