diff --git a/.idea/TimeManager.iml b/.idea/TimeManager.iml
deleted file mode 100644
index d6ebd48..0000000
--- a/.idea/TimeManager.iml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
deleted file mode 100644
index fb7f4a8..0000000
--- a/.idea/compiler.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="11" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
deleted file mode 100644
index 4987eca..0000000
--- a/.idea/encodings.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding" native2AsciiForPropertiesFiles="true" defaultCharsetForPropertiesFiles="UTF-8">
-    <file url="PROJECT" charset="UTF-8" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index f37474b..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="11" project-jdk-type="JavaSDK" />
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 41f3c04..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/TimeManager.iml" filepath="$PROJECT_DIR$/.idea/TimeManager.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 35eb1dd..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
deleted file mode 100644
index d9d8927..0000000
--- a/.idea/workspace.xml
+++ /dev/null
@@ -1,90 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="AutoImportSettings">
-    <option name="autoReloadType" value="SELECTIVE" />
-  </component>
-  <component name="ChangeListManager">
-    <list default="true" id="59daa142-5867-4817-bca7-97ec94005729" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/src/timemanagerapp/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/src/timemanagerapp/.idea/workspace.xml" afterDir="false" />
-    </list>
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-  </component>
-  <component name="MavenImportPreferences">
-    <option name="generalSettings">
-      <MavenGeneralSettings>
-        <option name="localRepository" value="D:\ProgramTools\apache-maven-3.6.1\mvn_Repository" />
-        <option name="mavenHome" value="$PROJECT_DIR$/../../../ProgramTools/apache-maven-3.6.1" />
-        <option name="userSettingsFile" value="D:\ProgramTools\apache-maven-3.6.1\conf\settings.xml" />
-      </MavenGeneralSettings>
-    </option>
-    <option name="importingSettings">
-      <MavenImportingSettings>
-        <option name="jdkForImporter" value="11 (2)" />
-      </MavenImportingSettings>
-    </option>
-  </component>
-  <component name="MavenRunner">
-    <option name="jreName" value="11 (2)" />
-  </component>
-  <component name="ProjectId" id="2Vlv5KhQbGoFGaBJc4yjqILpmpo" />
-  <component name="ProjectViewState">
-    <option name="autoscrollFromSource" value="true" />
-    <option name="autoscrollToSource" value="true" />
-    <option name="hideEmptyMiddlePackages" value="true" />
-    <option name="showLibraryContents" value="true" />
-    <option name="showMembers" value="true" />
-    <option name="showVisibilityIcons" value="true" />
-  </component>
-  <component name="PropertiesComponent">
-    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
-    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="aspect.path.notification.shown" value="true" />
-    <property name="dart.analysis.tool.window.visible" value="false" />
-    <property name="project.structure.last.edited" value="全局库" />
-    <property name="project.structure.proportion" value="0.15" />
-    <property name="project.structure.side.proportion" value="0.2" />
-    <property name="settings.editor.selected.configurable" value="File.Encoding" />
-  </component>
-  <component name="RunManager">
-    <configuration default="true" type="PythonConfigurationType" factoryName="Python">
-      <option name="INTERPRETER_OPTIONS" value="" />
-      <option name="PARENT_ENVS" value="true" />
-      <envs>
-        <env name="PYTHONUNBUFFERED" value="1" />
-      </envs>
-      <option name="SDK_HOME" value="C:\Program Files\Python\python.exe" />
-      <option name="WORKING_DIRECTORY" value="" />
-      <option name="IS_MODULE_SDK" value="false" />
-      <option name="ADD_CONTENT_ROOTS" value="true" />
-      <option name="ADD_SOURCE_ROOTS" value="true" />
-      <module name="" />
-      <EXTENSION ID="PythonCoverageRunConfigurationExtension" runner="coverage.py" />
-      <option name="SCRIPT_NAME" value="" />
-      <option name="PARAMETERS" value="" />
-      <option name="SHOW_COMMAND_LINE" value="false" />
-      <option name="EMULATE_TERMINAL" value="false" />
-      <option name="MODULE_MODE" value="false" />
-      <option name="REDIRECT_INPUT" value="false" />
-      <option name="INPUT_FILE" value="" />
-      <method v="2" />
-    </configuration>
-  </component>
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="59daa142-5867-4817-bca7-97ec94005729" name="Default Changelist" comment="" />
-      <created>1695423304830</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1695423304830</updated>
-      <workItem from="1695423309518" duration="11000" />
-    </task>
-    <servers />
-  </component>
-</project>
\ No newline at end of file
diff --git a/src/timemanagerapp/.dart_tool/package_config.json b/src/timemanagerapp/.dart_tool/package_config.json
index 26702da..e4c4bb9 100644
--- a/src/timemanagerapp/.dart_tool/package_config.json
+++ b/src/timemanagerapp/.dart_tool/package_config.json
@@ -296,7 +296,7 @@
       "languageVersion": "3.1"
     }
   ],
-  "generated": "2023-09-26T14:43:12.084123Z",
+  "generated": "2023-09-26T16:05:37.175298Z",
   "generator": "pub",
   "generatorVersion": "3.1.0"
 }
diff --git a/src/timemanagerapp/.dart_tool/package_config_subset b/src/timemanagerapp/.dart_tool/package_config_subset
index 22b261a..5f1388c 100644
--- a/src/timemanagerapp/.dart_tool/package_config_subset
+++ b/src/timemanagerapp/.dart_tool/package_config_subset
@@ -192,6 +192,6 @@ file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/xdg_director
 file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/xdg_directories-1.0.3/lib/
 timemanagerapp
 3.1
-file:///D:/Myprogramfile/Flutter/TimeManager/TimeManager/src/timemanagerapp/
-file:///D:/Myprogramfile/Flutter/TimeManager/TimeManager/src/timemanagerapp/lib/
+file:///D:/Myprogramfile/Flutter/TimeManager/src/timemanagerapp/
+file:///D:/Myprogramfile/Flutter/TimeManager/src/timemanagerapp/lib/
 2
diff --git a/src/timemanagerapp/.idea/libraries/Dart_SDK.xml b/src/timemanagerapp/.idea/libraries/Dart_SDK.xml
index 8b4f650..b67a683 100644
--- a/src/timemanagerapp/.idea/libraries/Dart_SDK.xml
+++ b/src/timemanagerapp/.idea/libraries/Dart_SDK.xml
@@ -1,17 +1,27 @@
 <component name="libraryTable">
   <library name="Dart SDK">
     <CLASSES>
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/async" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/collection" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/convert" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/core" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/developer" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/html" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/io" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/isolate" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/math" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/mirrors" />
-      <root url="file://C:\SDKs\Flutter\flutter_windows_3.13.2-stable\flutter/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/async" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/cli" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/collection" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/convert" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/core" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/developer" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/ffi" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/html" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/indexed_db" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/io" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/js" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/js_interop" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/js_interop_unsafe" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/js_util" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/math" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/svg" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/web_audio" />
+      <root url="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/dart-sdk/lib/web_gl" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/src/timemanagerapp/.idea/modules.xml b/src/timemanagerapp/.idea/modules.xml
index fd57ea6..861c80c 100644
--- a/src/timemanagerapp/.idea/modules.xml
+++ b/src/timemanagerapp/.idea/modules.xml
@@ -2,8 +2,8 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/timemanagerapp.iml" filepath="$PROJECT_DIR$/timemanagerapp.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/timemanagerapp.iml" filepath="$PROJECT_DIR$/.idea/timemanagerapp.iml" />
       <module fileurl="file://$PROJECT_DIR$/android/timemanagerapp_android.iml" filepath="$PROJECT_DIR$/android/timemanagerapp_android.iml" />
     </modules>
   </component>
-</project>
+</project>
\ No newline at end of file
diff --git a/src/timemanagerapp/.idea/workspace.xml b/src/timemanagerapp/.idea/workspace.xml
index 3650a29..0a039bd 100644
--- a/src/timemanagerapp/.idea/workspace.xml
+++ b/src/timemanagerapp/.idea/workspace.xml
@@ -27,15 +27,15 @@
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/../.." />
   </component>
   <component name="HighlightingSettingsPerFile">
-    <setting file="file://$PROJECT_DIR$/lib/setting/Setting.dart" root0="FORCE_HIGHLIGHTING" />
-    <setting file="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart" root0="SKIP_INSPECTION" />
-    <setting file="file://$USER_HOME$/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/shared_preferences-2.2.1/lib/shared_preferences.dart" root0="SKIP_INSPECTION" />
+    <setting file="file://$PROJECT_DIR$/lib/wighets/AddCourseFormWidget.dart" root0="FORCE_HIGHLIGHTING" />
     <setting file="file://$PROJECT_DIR$/pubspec.yaml" root0="FORCE_HIGHLIGHTING" />
     <setting file="file://$PROJECT_DIR$/lib/wighets/RegisterWidget.dart" root0="FORCE_HIGHLIGHTING" />
-    <setting file="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/pkg/sky_engine/lib/core/string.dart" root0="SKIP_INSPECTION" />
+    <setting file="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart" root0="SKIP_INSPECTION" />
+    <setting file="file://$USER_HOME$/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/shared_preferences-2.2.1/lib/shared_preferences.dart" root0="SKIP_INSPECTION" />
     <setting file="file://$PROJECT_DIR$/lib/main.dart" root0="FORCE_HIGHLIGHTING" />
-    <setting file="file://$PROJECT_DIR$/lib/wighets/AddCourseFormWidget.dart" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/pkg/sky_engine/lib/core/string.dart" root0="SKIP_INSPECTION" />
     <setting file="file://$PROJECT_DIR$/lib/tests/Setting_test.dart" root0="FORCE_HIGHLIGHTING" />
+    <setting file="file://$PROJECT_DIR$/lib/setting/Setting.dart" root0="FORCE_HIGHLIGHTING" />
   </component>
   <component name="JsbtTreeLayoutManager">
     <layout place="tools.popupGrunt">
@@ -46,6 +46,9 @@
   <component name="ProjectLevelVcsManager" settingsEditedManually="true">
     <ConfirmationsSetting value="1" id="Add" />
   </component>
+  <component name="ProjectReloadState">
+    <option name="STATE" value="1" />
+  </component>
   <component name="ProjectView">
     <navigator currentView="ProjectPane" proportions="" version="1" />
     <panes>
@@ -181,6 +184,7 @@
       <workItem from="1695727139040" duration="13000" />
       <workItem from="1695729103403" duration="8100000" />
       <workItem from="1695739077875" duration="1503000" />
+      <workItem from="1695744280846" duration="199000" />
     </task>
     <servers />
   </component>
diff --git a/src/timemanagerapp/lib/wighets/TimetableWighet.dart b/src/timemanagerapp/lib/wighets/TimetableWighet.dart
index 5b94eac..7e58504 100644
--- a/src/timemanagerapp/lib/wighets/TimetableWighet.dart
+++ b/src/timemanagerapp/lib/wighets/TimetableWighet.dart
@@ -8,11 +8,6 @@ import 'package:timemanagerapp/main.dart';
 
 import '../entity/Course.dart';
 
-/**
- * desc:
- * author: xiedong
- * date: 4/25/21
- **/
 class TimetableWidget extends StatefulWidget {
   @override
   State<StatefulWidget> createState() => PageState();