diff --git a/CHANGELOG.md b/CHANGELOG.md
index b920fcf..0b473df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
-## 1.3.0
+## 2.0.0
 
 * support limit max and min selected days
+* rename file
 
 ## 1.2.1
 
@@ -45,5 +46,5 @@
 
 ## 0.1.0
 
-* simple calendart
+* simple calendar
 * Initial release
\ No newline at end of file
diff --git a/lib/tw_calendar.dart b/lib/tw_calendar.dart
index b51d1a7..2535647 100644
--- a/lib/tw_calendar.dart
+++ b/lib/tw_calendar.dart
@@ -6,7 +6,7 @@
  */
 library tw_calendar;
 
-export 'tw_calendar_cofigs.dart';
+export 'tw_calendar_configs.dart';
 export 'tw_calendar_controller.dart';
 export 'tw_calendar_list.dart';
 export 'utils/tw_calendar_tool.dart';
diff --git a/lib/tw_calendar_cofigs.dart b/lib/tw_calendar_configs.dart
similarity index 100%
rename from lib/tw_calendar_cofigs.dart
rename to lib/tw_calendar_configs.dart
diff --git a/lib/tw_calendar_list.dart b/lib/tw_calendar_list.dart
index ec46bbb..15e8811 100644
--- a/lib/tw_calendar_list.dart
+++ b/lib/tw_calendar_list.dart
@@ -7,7 +7,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:tw_calendar/tw_calendar_controller.dart';
-import 'tw_calendar_cofigs.dart';
+import 'tw_calendar_configs.dart';
 import 'tw_month_view.dart';
 import 'tw_weekday_row.dart';
 import 'utils/tw_calendar_tool.dart';
diff --git a/lib/tw_day_number.dart b/lib/tw_day_number.dart
index 1d2adfb..90b51ee 100644
--- a/lib/tw_day_number.dart
+++ b/lib/tw_day_number.dart
@@ -4,10 +4,9 @@
  * @LastEditTime: 2022-10-04 12:29:50
  * @Description: 天数
  */
-import 'dart:math';
 
 import 'package:flutter/material.dart';
-import 'tw_calendar_cofigs.dart';
+import 'tw_calendar_configs.dart';
 import 'tw_calendar_notification.dart';
 import 'utils/tw_calendar_tool.dart';
 
diff --git a/lib/tw_month_title.dart b/lib/tw_month_title.dart
index 38c2c7e..d006e2c 100644
--- a/lib/tw_month_title.dart
+++ b/lib/tw_month_title.dart
@@ -5,7 +5,7 @@
  * @Description: your project
  */
 import 'package:flutter/material.dart';
-import 'tw_calendar_cofigs.dart';
+import 'tw_calendar_configs.dart';
 import 'utils/tw_calendar_tool.dart';
 
 class TWMonthTitle extends StatelessWidget {
diff --git a/lib/tw_month_view.dart b/lib/tw_month_view.dart
index 01fcae1..68bbf7f 100644
--- a/lib/tw_month_view.dart
+++ b/lib/tw_month_view.dart
@@ -7,7 +7,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:tw_calendar/tw_day_number.dart';
-import 'tw_calendar_cofigs.dart';
+import 'tw_calendar_configs.dart';
 import 'tw_calendar_notification.dart';
 import 'tw_month_title.dart';
 import 'utils/tw_calendar_tool.dart';
diff --git a/lib/tw_weekday_row.dart b/lib/tw_weekday_row.dart
index 0af9491..bc32273 100644
--- a/lib/tw_weekday_row.dart
+++ b/lib/tw_weekday_row.dart
@@ -5,7 +5,7 @@
  * @Description: 日期视图
  */
 import 'package:flutter/material.dart';
-import 'tw_calendar_cofigs.dart';
+import 'tw_calendar_configs.dart';
 
 class TWWeekdayRow extends StatelessWidget {
   final TWCalendarWeekdayRowConfig? weekdayRowConfig;
diff --git a/pubspec.yaml b/pubspec.yaml
index c717504..5e3a77c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: tw_calendar
 description: simple custom calendar for your , support custom headerView, support modify widgets height...
-version: 1.3.0
+version: 2.0.0
 homepage: https://github.com/zeqinjie/tw_calendar
 
 environment: