diff --git a/report_reminder.py b/func_report_reminder.py
similarity index 76%
rename from report_reminder.py
rename to func_report_reminder.py
index b76e909..1252fec 100644
--- a/report_reminder.py
+++ b/func_report_reminder.py
@@ -7,12 +7,12 @@ from robot import Robot
 class ReportReminder:
 
     @staticmethod
-    def remind(robot) -> None:
+    def remind(robot: Robot) -> None:
 
         receivers = robot.config.REPORT_REMINDERS
         if not receivers:
             receivers = ["filehelper"]
-        #日报周报月报提醒
+        # 日报周报月报提醒
         for receiver in receivers:
             today = datetime.datetime.now().date()
             # 如果是非工作日
@@ -24,7 +24,7 @@ class ReportReminder:
             # 如果是本周最后一个工作日
             if ReportReminder.last_work_day_of_week(today) == today:
                 robot.sendTextMsg("该发周报啦", receiver)
-            # 如果本日是本月最后一整周的最后一个一个工作日:
+            # 如果本日是本月最后一整周的最后一个工作日:
             if ReportReminder.last_work_friday_of_month(today) == today:
                 robot.sendTextMsg("该发月报啦", receiver)
 
@@ -34,14 +34,15 @@ class ReportReminder:
         days_in_month = calendar.monthrange(d.year, d.month)[1]
         weekday = calendar.weekday(d.year, d.month, days_in_month)
         if weekday == 4:
-            last_friday_of_month = datetime.date(d.year, d.month, days_in_month)
+            last_friday_of_month = datetime.date(
+                d.year, d.month, days_in_month)
         else:
             if weekday >= 5:
-                last_friday_of_month = datetime.date(d.year, d.month, days_in_month) - datetime.timedelta(
-                    days=(weekday - 4))
+                last_friday_of_month = datetime.date(d.year, d.month, days_in_month) - \
+                    datetime.timedelta(days=(weekday - 4))
             else:
-                last_friday_of_month = datetime.date(d.year, d.month, days_in_month) - datetime.timedelta(
-                    days=(weekday + 3))
+                last_friday_of_month = datetime.date(d.year, d.month, days_in_month) - \
+                    datetime.timedelta(days=(weekday + 3))
         while not is_workday(last_friday_of_month):
             last_friday_of_month = last_friday_of_month - datetime.timedelta(days=1)
         return last_friday_of_month
@@ -50,8 +51,10 @@ class ReportReminder:
     @staticmethod
     def last_work_day_of_week(d: datetime.date) -> datetime.date:
         weekday = calendar.weekday(d.year, d.month, d.day)
-        last_work_day_of_week = datetime.date(d.year, d.month, d.day) + datetime.timedelta(days=(6 - weekday))
+        last_work_day_of_week = datetime.date(
+            d.year, d.month, d.day) + datetime.timedelta(days=(6 - weekday))
 
         while not is_workday(last_work_day_of_week):
-            last_work_day_of_week = last_work_day_of_week - datetime.timedelta(days=1)
+            last_work_day_of_week = last_work_day_of_week - \
+                datetime.timedelta(days=1)
         return last_work_day_of_week
diff --git a/main.py b/main.py
index 2e6d60c..5e3288d 100644
--- a/main.py
+++ b/main.py
@@ -6,7 +6,7 @@ import signal
 from wcferry import Wcf
 
 from configuration import Config
-from report_reminder import ReportReminder
+from func_report_reminder import ReportReminder
 from robot import Robot
 
 
@@ -24,6 +24,7 @@ def weather_report(robot: Robot) -> None:
         robot.sendTextMsg(report, r)
         # robot.sendTextMsg(report, r, "nofity@all")   # 发送消息并@所有人
 
+
 def main():
     config = Config()
     wcf = Wcf(debug=True)