diff --git a/src/timemanagerapp/.dart_tool/package_config.json b/src/timemanagerapp/.dart_tool/package_config.json
index 4019516..ca29ead 100644
--- a/src/timemanagerapp/.dart_tool/package_config.json
+++ b/src/timemanagerapp/.dart_tool/package_config.json
@@ -3,145 +3,163 @@
   "packages": [
     {
       "name": "async",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/async-2.11.0",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/async-2.11.0",
       "packageUri": "lib/",
       "languageVersion": "2.18"
     },
     {
       "name": "boolean_selector",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/boolean_selector-2.1.1",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/boolean_selector-2.1.1",
       "packageUri": "lib/",
       "languageVersion": "2.17"
     },
     {
       "name": "characters",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/characters-1.3.0",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/characters-1.3.0",
       "packageUri": "lib/",
       "languageVersion": "2.12"
     },
     {
       "name": "clock",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/clock-1.1.1",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/clock-1.1.1",
       "packageUri": "lib/",
       "languageVersion": "2.12"
     },
     {
       "name": "collection",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/collection-1.17.2",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/collection-1.17.2",
       "packageUri": "lib/",
       "languageVersion": "2.18"
     },
     {
       "name": "cupertino_icons",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/cupertino_icons-1.0.6",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/cupertino_icons-1.0.6",
       "packageUri": "lib/",
       "languageVersion": "2.19"
     },
     {
       "name": "fake_async",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/fake_async-1.3.1",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/fake_async-1.3.1",
       "packageUri": "lib/",
       "languageVersion": "2.12"
     },
     {
       "name": "flutter",
-      "rootUri": "file:///C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/packages/flutter",
+      "rootUri": "file:///E:/develop_environment/flutter-sdk/flutter/packages/flutter",
       "packageUri": "lib/",
       "languageVersion": "3.0"
     },
     {
       "name": "flutter_lints",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/flutter_lints-2.0.3",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/flutter_lints-2.0.3",
       "packageUri": "lib/",
       "languageVersion": "2.19"
     },
     {
       "name": "flutter_test",
-      "rootUri": "file:///C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/packages/flutter_test",
+      "rootUri": "file:///E:/develop_environment/flutter-sdk/flutter/packages/flutter_test",
       "packageUri": "lib/",
       "languageVersion": "3.0"
     },
     {
       "name": "lints",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/lints-2.1.1",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/lints-2.1.1",
       "packageUri": "lib/",
       "languageVersion": "3.0"
     },
     {
       "name": "matcher",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/matcher-0.12.16",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/matcher-0.12.16",
       "packageUri": "lib/",
       "languageVersion": "2.18"
     },
     {
       "name": "material_color_utilities",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/material_color_utilities-0.5.0",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/material_color_utilities-0.5.0",
       "packageUri": "lib/",
       "languageVersion": "2.17"
     },
     {
       "name": "meta",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/meta-1.9.1",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/meta-1.9.1",
       "packageUri": "lib/",
       "languageVersion": "2.12"
     },
     {
       "name": "path",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/path-1.8.3",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/path-1.8.3",
       "packageUri": "lib/",
       "languageVersion": "2.12"
     },
     {
       "name": "sky_engine",
-      "rootUri": "file:///C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/pkg/sky_engine",
+      "rootUri": "file:///E:/develop_environment/flutter-sdk/flutter/bin/cache/pkg/sky_engine",
       "packageUri": "lib/",
       "languageVersion": "3.0"
     },
     {
       "name": "source_span",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/source_span-1.10.0",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/source_span-1.10.0",
       "packageUri": "lib/",
       "languageVersion": "2.18"
     },
+    {
+      "name": "sqflite",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/sqflite-2.3.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.0"
+    },
+    {
+      "name": "sqflite_common",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/sqflite_common-2.5.0",
+      "packageUri": "lib/",
+      "languageVersion": "3.0"
+    },
     {
       "name": "stack_trace",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/stack_trace-1.11.0",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/stack_trace-1.11.0",
       "packageUri": "lib/",
       "languageVersion": "2.18"
     },
     {
       "name": "stream_channel",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/stream_channel-2.1.1",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/stream_channel-2.1.1",
       "packageUri": "lib/",
       "languageVersion": "2.14"
     },
     {
       "name": "string_scanner",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/string_scanner-1.2.0",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/string_scanner-1.2.0",
+      "packageUri": "lib/",
+      "languageVersion": "2.18"
+    },
+    {
+      "name": "synchronized",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/synchronized-3.1.0",
       "packageUri": "lib/",
       "languageVersion": "2.18"
     },
     {
       "name": "term_glyph",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/term_glyph-1.2.1",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/term_glyph-1.2.1",
       "packageUri": "lib/",
       "languageVersion": "2.12"
     },
     {
       "name": "test_api",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/test_api-0.6.0",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/test_api-0.6.0",
       "packageUri": "lib/",
       "languageVersion": "2.18"
     },
     {
       "name": "vector_math",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/vector_math-2.1.4",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/vector_math-2.1.4",
       "packageUri": "lib/",
       "languageVersion": "2.14"
     },
     {
       "name": "web",
-      "rootUri": "file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/web-0.1.4-beta",
+      "rootUri": "file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/web-0.1.4-beta",
       "packageUri": "lib/",
       "languageVersion": "3.1"
     },
@@ -152,7 +170,7 @@
       "languageVersion": "3.1"
     }
   ],
-  "generated": "2023-09-20T10:23:59.121387Z",
+  "generated": "2023-09-21T23:57:22.027394Z",
   "generator": "pub",
-  "generatorVersion": "3.1.0"
+  "generatorVersion": "3.1.2"
 }
diff --git a/src/timemanagerapp/.dart_tool/package_config_subset b/src/timemanagerapp/.dart_tool/package_config_subset
index 7a0f0be..c90e5ab 100644
--- a/src/timemanagerapp/.dart_tool/package_config_subset
+++ b/src/timemanagerapp/.dart_tool/package_config_subset
@@ -1,101 +1,113 @@
-sky_engine
-3.0
-file:///C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/pkg/sky_engine/
-file:///C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/bin/cache/pkg/sky_engine/lib/
-flutter
-3.0
-file:///C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/packages/flutter/
-file:///C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/packages/flutter/lib/
-flutter_test
-3.0
-file:///C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/packages/flutter_test/
-file:///C:/SDKs/Flutter/flutter_windows_3.13.2-stable/flutter/packages/flutter_test/lib/
 async
 2.18
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/async-2.11.0/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/async-2.11.0/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/async-2.11.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/async-2.11.0/lib/
 boolean_selector
 2.17
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/boolean_selector-2.1.1/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/boolean_selector-2.1.1/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/boolean_selector-2.1.1/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/boolean_selector-2.1.1/lib/
 characters
 2.12
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/characters-1.3.0/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/characters-1.3.0/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/characters-1.3.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/characters-1.3.0/lib/
 clock
 2.12
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/clock-1.1.1/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/clock-1.1.1/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/clock-1.1.1/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/clock-1.1.1/lib/
 collection
 2.18
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/collection-1.17.2/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/collection-1.17.2/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/collection-1.17.2/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/collection-1.17.2/lib/
 cupertino_icons
 2.19
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/cupertino_icons-1.0.6/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/cupertino_icons-1.0.6/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/cupertino_icons-1.0.6/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/cupertino_icons-1.0.6/lib/
 fake_async
 2.12
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/fake_async-1.3.1/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/fake_async-1.3.1/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/fake_async-1.3.1/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/fake_async-1.3.1/lib/
 flutter_lints
 2.19
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/flutter_lints-2.0.3/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/flutter_lints-2.0.3/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/flutter_lints-2.0.3/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/flutter_lints-2.0.3/lib/
 lints
 3.0
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/lints-2.1.1/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/lints-2.1.1/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/lints-2.1.1/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/lints-2.1.1/lib/
 matcher
 2.18
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/matcher-0.12.16/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/matcher-0.12.16/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/matcher-0.12.16/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/matcher-0.12.16/lib/
 material_color_utilities
 2.17
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/material_color_utilities-0.5.0/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/material_color_utilities-0.5.0/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/material_color_utilities-0.5.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/material_color_utilities-0.5.0/lib/
 meta
 2.12
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/meta-1.9.1/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/meta-1.9.1/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/meta-1.9.1/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/meta-1.9.1/lib/
 path
 2.12
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/path-1.8.3/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/path-1.8.3/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/path-1.8.3/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/path-1.8.3/lib/
 source_span
 2.18
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/source_span-1.10.0/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/source_span-1.10.0/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/source_span-1.10.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/source_span-1.10.0/lib/
+sqflite
+3.0
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/sqflite-2.3.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/sqflite-2.3.0/lib/
+sqflite_common
+3.0
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/sqflite_common-2.5.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/sqflite_common-2.5.0/lib/
 stack_trace
 2.18
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/stack_trace-1.11.0/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/stack_trace-1.11.0/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/stack_trace-1.11.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/stack_trace-1.11.0/lib/
 stream_channel
 2.14
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/stream_channel-2.1.1/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/stream_channel-2.1.1/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/stream_channel-2.1.1/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/stream_channel-2.1.1/lib/
 string_scanner
 2.18
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/string_scanner-1.2.0/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/string_scanner-1.2.0/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/string_scanner-1.2.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/string_scanner-1.2.0/lib/
+synchronized
+2.18
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/synchronized-3.1.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/synchronized-3.1.0/lib/
 term_glyph
 2.12
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/term_glyph-1.2.1/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/term_glyph-1.2.1/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/term_glyph-1.2.1/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/term_glyph-1.2.1/lib/
 test_api
 2.18
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/test_api-0.6.0/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/test_api-0.6.0/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/test_api-0.6.0/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/test_api-0.6.0/lib/
 vector_math
 2.14
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/vector_math-2.1.4/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/vector_math-2.1.4/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/vector_math-2.1.4/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/vector_math-2.1.4/lib/
 web
 3.1
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/web-0.1.4-beta/
-file:///C:/Users/L/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/web-0.1.4-beta/lib/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/web-0.1.4-beta/
+file:///C:/Users/aihua/AppData/Local/Pub/Cache/hosted/pub.dev/web-0.1.4-beta/lib/
 timemanagerapp
 3.1
-file:///D:/Myprogramfile/Flutter/timemanagerapp/
-file:///D:/Myprogramfile/Flutter/timemanagerapp/lib/
+file:///D:/source-code/TimeManager/src/timemanagerapp/
+file:///D:/source-code/TimeManager/src/timemanagerapp/lib/
+sky_engine
+3.0
+file:///E:/develop_environment/flutter-sdk/flutter/bin/cache/pkg/sky_engine/
+file:///E:/develop_environment/flutter-sdk/flutter/bin/cache/pkg/sky_engine/lib/
+flutter
+3.0
+file:///E:/develop_environment/flutter-sdk/flutter/packages/flutter/
+file:///E:/develop_environment/flutter-sdk/flutter/packages/flutter/lib/
+flutter_test
+3.0
+file:///E:/develop_environment/flutter-sdk/flutter/packages/flutter_test/
+file:///E:/develop_environment/flutter-sdk/flutter/packages/flutter_test/lib/
 2
diff --git a/src/timemanagerapp/.dart_tool/version b/src/timemanagerapp/.dart_tool/version
index 97c6841..3523e81 100644
--- a/src/timemanagerapp/.dart_tool/version
+++ b/src/timemanagerapp/.dart_tool/version
@@ -1 +1 @@
-3.13.2
\ No newline at end of file
+3.13.5
\ No newline at end of file
diff --git a/src/timemanagerapp/.idea/libraries/Dart_SDK.xml b/src/timemanagerapp/.idea/libraries/Dart_SDK.xml
index 8b4f650..ea9768b 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://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/async" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/cli" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/collection" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/convert" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/core" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/developer" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/ffi" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/html" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/indexed_db" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/io" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/js" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/js_interop" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/js_interop_unsafe" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/js_util" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/math" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/svg" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://E:/develop_environment/flutter-sdk/flutter/bin/cache/dart-sdk/lib/web_audio" />
+      <root url="file://E:/develop_environment/flutter-sdk/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..349fb46 100644
--- a/src/timemanagerapp/.idea/modules.xml
+++ b/src/timemanagerapp/.idea/modules.xml
@@ -6,4 +6,4 @@
       <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 d4dd5a4..3045a58 100644
--- a/src/timemanagerapp/.idea/workspace.xml
+++ b/src/timemanagerapp/.idea/workspace.xml
@@ -1,24 +1,66 @@
 <?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="c05b8a8d-d805-4e13-a87e-db77479b20ae" name="Default Changelist" comment="">
+      <change afterPath="$PROJECT_DIR$/lib/database/database_init.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.dart_tool/dartpad/web_plugin_registrant.dart" beforeDir="false" afterPath="$PROJECT_DIR$/.dart_tool/dartpad/web_plugin_registrant.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.dart_tool/package_config.json" beforeDir="false" afterPath="$PROJECT_DIR$/.dart_tool/package_config.json" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.dart_tool/package_config_subset" beforeDir="false" afterPath="$PROJECT_DIR$/.dart_tool/package_config_subset" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.dart_tool/version" beforeDir="false" afterPath="$PROJECT_DIR$/.dart_tool/version" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/modules.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/modules.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/build/204ea416f1812abf3cc545dddda97605.cache.dill.track.dill" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/lib/util/GetCourseByLogin.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/util/GetCourseByLogin.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java" beforeDir="false" afterPath="$PROJECT_DIR$/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/android/local.properties" beforeDir="false" afterPath="$PROJECT_DIR$/android/local.properties" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/android/timemanagerapp_android.iml" beforeDir="false" afterPath="$PROJECT_DIR$/android/timemanagerapp_android.iml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/build/flutter_assets/shaders/ink_sparkle.frag" beforeDir="false" afterPath="$PROJECT_DIR$/build/flutter_assets/shaders/ink_sparkle.frag" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/ios/Runner/GeneratedPluginRegistrant.h" beforeDir="false" afterPath="$PROJECT_DIR$/ios/Runner/GeneratedPluginRegistrant.h" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/ios/Runner/GeneratedPluginRegistrant.m" beforeDir="false" afterPath="$PROJECT_DIR$/ios/Runner/GeneratedPluginRegistrant.m" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/database/新建文本文档.txt" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/main.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/main.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/linux/flutter/generated_plugin_registrant.cc" beforeDir="false" afterPath="$PROJECT_DIR$/linux/flutter/generated_plugin_registrant.cc" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/linux/flutter/generated_plugin_registrant.h" beforeDir="false" afterPath="$PROJECT_DIR$/linux/flutter/generated_plugin_registrant.h" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/linux/flutter/generated_plugins.cmake" beforeDir="false" afterPath="$PROJECT_DIR$/linux/flutter/generated_plugins.cmake" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/macos/Flutter/GeneratedPluginRegistrant.swift" beforeDir="false" afterPath="$PROJECT_DIR$/macos/Flutter/GeneratedPluginRegistrant.swift" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.lock" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pubspec.yaml" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.yaml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/timemanagerapp.iml" beforeDir="false" afterPath="$PROJECT_DIR$/timemanagerapp.iml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/windows/flutter/ephemeral/generated_config.cmake" beforeDir="false" afterPath="$PROJECT_DIR$/windows/flutter/ephemeral/generated_config.cmake" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/windows/flutter/generated_plugin_registrant.cc" beforeDir="false" afterPath="$PROJECT_DIR$/windows/flutter/generated_plugin_registrant.cc" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/windows/flutter/generated_plugin_registrant.h" beforeDir="false" afterPath="$PROJECT_DIR$/windows/flutter/generated_plugin_registrant.h" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/windows/flutter/generated_plugins.cmake" beforeDir="false" afterPath="$PROJECT_DIR$/windows/flutter/generated_plugins.cmake" 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="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Dart File" />
+      </list>
+    </option>
+  </component>
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/../.." />
   </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectColorInfo">{
+  &quot;associatedIndex&quot;: 6
+}</component>
   <component name="ProjectId" id="2VesZPmDCku5WeFpM29PfTh2Lgz" />
   <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>
@@ -35,25 +77,32 @@
     <option name="showMembers" value="true" />
     <option name="showVisibilityIcons" value="true" />
   </component>
-  <component name="PropertiesComponent">
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="aspect.path.notification.shown" value="true" />
-    <property name="dart.analysis.tool.window.force.activate" value="true" />
-    <property name="dart.analysis.tool.window.visible" value="false" />
-    <property name="io.flutter.reload.alreadyRun" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/lib" />
-    <property name="project.structure.last.edited" value="Project" />
-    <property name="project.structure.proportion" value="0.0" />
-    <property name="project.structure.side.proportion" value="0.0" />
-    <property name="settings.editor.selected.configurable" value="preferences.pluginManager" />
-    <property name="show.migrate.to.gradle.popup" value="false" />
-  </component>
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;WebServerToolWindowFactoryState&quot;: &quot;false&quot;,
+    &quot;dart.analysis.tool.window.visible&quot;: &quot;false&quot;,
+    &quot;io.flutter.reload.alreadyRun&quot;: &quot;true&quot;,
+    &quot;last_opened_file_path&quot;: &quot;D:/source-code/TimeManager/src/timemanagerapp&quot;,
+    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
+    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
+    &quot;project.structure.last.edited&quot;: &quot;Project&quot;,
+    &quot;project.structure.proportion&quot;: &quot;0.15&quot;,
+    &quot;project.structure.side.proportion&quot;: &quot;0.2&quot;,
+    &quot;settings.editor.selected.configurable&quot;: &quot;AndroidSdkUpdater&quot;,
+    &quot;show.migrate.to.gradle.popup&quot;: &quot;false&quot;,
+    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+  }
+}</component>
   <component name="RecentsManager">
     <key name="CopyFile.RECENT_KEYS">
       <recent name="D:\Myprogramfile\Flutter\TimeManager\src\timemanagerapp\lib" />
     </key>
   </component>
-  <component name="RunManager" selected="Dart Command Line App.GetCourseByLogin_test.dart">
+  <component name="RunManager" selected="Flutter.main.dart">
     <configuration default="true" type="ArquillianJUnit" factoryName="" nameIsGenerated="true">
       <option name="arquillianRunConfiguration">
         <value>
@@ -70,19 +119,31 @@
       <option name="workingDirectory" value="$PROJECT_DIR$" />
       <method v="2" />
     </configuration>
-    <configuration name="GetCourseByLogin_test.dart" type="DartCommandLineRunConfigurationType" factoryName="Dart Command Line Application" temporary="true" nameIsGenerated="true">
-      <option name="filePath" value="$PROJECT_DIR$/lib/GetCourseByLogin_test.dart" />
+    <configuration name="test.dart" type="DartCommandLineRunConfigurationType" factoryName="Dart Command Line Application" temporary="true" nameIsGenerated="true">
+      <option name="filePath" value="$PROJECT_DIR$/lib/database/test.dart" />
       <option name="workingDirectory" value="$PROJECT_DIR$" />
       <method v="2" />
     </configuration>
+    <configuration name="test02.dart" type="FlutterRunConfigurationType" factoryName="Flutter" temporary="true" nameIsGenerated="true">
+      <option name="filePath" value="$PROJECT_DIR$/lib/database/test02.dart" />
+      <method v="2" />
+    </configuration>
     <configuration name="tests in GetCourseByLogin_test.dart" type="FlutterTestConfigType" factoryName="Flutter Test" temporary="true" nameIsGenerated="true">
       <option name="testFile" value="$PROJECT_DIR$/test/GetCourseByLogin_test.dart" />
       <option name="useRegexp" value="false" />
       <method v="2" />
     </configuration>
+    <list>
+      <item itemvalue="Dart Command Line App.test.dart" />
+      <item itemvalue="Dart Command Line App.GetCourseByLogin.dart" />
+      <item itemvalue="Flutter.main.dart" />
+      <item itemvalue="Flutter.test02.dart" />
+      <item itemvalue="Flutter Test.tests in GetCourseByLogin_test.dart" />
+    </list>
     <recent_temporary>
       <list>
-        <item itemvalue="Dart Command Line App.GetCourseByLogin_test.dart" />
+        <item itemvalue="Flutter.test02.dart" />
+        <item itemvalue="Dart Command Line App.test.dart" />
         <item itemvalue="Flutter Test.tests in GetCourseByLogin_test.dart" />
         <item itemvalue="Dart Command Line App.GetCourseByLogin.dart" />
       </list>
@@ -98,6 +159,9 @@
       <updated>1695207944684</updated>
       <workItem from="1695207948527" duration="68000" />
       <workItem from="1695208047127" duration="657000" />
+      <workItem from="1695299184020" duration="3382000" />
+      <workItem from="1695309116608" duration="10000" />
+      <workItem from="1695340191136" duration="18122000" />
     </task>
     <servers />
   </component>
@@ -110,4 +174,8 @@
   <component name="TypeScriptGeneratedFilesManager">
     <option name="version" value="3" />
   </component>
+  <component name="XSLT-Support.FileAssociations.UIState">
+    <expand />
+    <select />
+  </component>
 </project>
\ No newline at end of file
diff --git a/src/timemanagerapp/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java b/src/timemanagerapp/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java
index 539ab02..2e75c2a 100644
--- a/src/timemanagerapp/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java
+++ b/src/timemanagerapp/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java
@@ -15,5 +15,10 @@ import io.flutter.embedding.engine.FlutterEngine;
 public final class GeneratedPluginRegistrant {
   private static final String TAG = "GeneratedPluginRegistrant";
   public static void registerWith(@NonNull FlutterEngine flutterEngine) {
+    try {
+      flutterEngine.getPlugins().add(new com.tekartik.sqflite.SqflitePlugin());
+    } catch (Exception e) {
+      Log.e(TAG, "Error registering plugin sqflite, com.tekartik.sqflite.SqflitePlugin", e);
+    }
   }
 }
diff --git a/src/timemanagerapp/android/local.properties b/src/timemanagerapp/android/local.properties
index 86439e3..1d63dd2 100644
--- a/src/timemanagerapp/android/local.properties
+++ b/src/timemanagerapp/android/local.properties
@@ -1,2 +1,5 @@
-sdk.dir=D:\\exe_Data\\Android_Studio\\sdk
-flutter.sdk=C:\\SDKs\\Flutter\\flutter_windows_3.13.2-stable\\flutter
\ No newline at end of file
+sdk.dir=E:\\develop_environment\\android-sdk
+flutter.sdk=E:\\develop_environment\\flutter-sdk\\flutter
+flutter.buildMode=debug
+flutter.versionName=1.0.0
+flutter.versionCode=1
\ No newline at end of file
diff --git a/src/timemanagerapp/android/timemanagerapp_android.iml b/src/timemanagerapp/android/timemanagerapp_android.iml
index a311c4e..8fc2fc1 100644
--- a/src/timemanagerapp/android/timemanagerapp_android.iml
+++ b/src/timemanagerapp/android/timemanagerapp_android.iml
@@ -24,4 +24,4 @@
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Flutter for Android" level="project" />
   </component>
-</module>
+</module>
\ No newline at end of file
diff --git a/src/timemanagerapp/ios/Runner/GeneratedPluginRegistrant.m b/src/timemanagerapp/ios/Runner/GeneratedPluginRegistrant.m
index efe65ec..dcd958a 100644
--- a/src/timemanagerapp/ios/Runner/GeneratedPluginRegistrant.m
+++ b/src/timemanagerapp/ios/Runner/GeneratedPluginRegistrant.m
@@ -6,9 +6,16 @@
 
 #import "GeneratedPluginRegistrant.h"
 
+#if __has_include(<sqflite/SqflitePlugin.h>)
+#import <sqflite/SqflitePlugin.h>
+#else
+@import sqflite;
+#endif
+
 @implementation GeneratedPluginRegistrant
 
 + (void)registerWithRegistry:(NSObject<FlutterPluginRegistry>*)registry {
+  [SqflitePlugin registerWithRegistrar:[registry registrarForPlugin:@"SqflitePlugin"]];
 }
 
 @end
diff --git a/src/timemanagerapp/lib/database/database_init.dart b/src/timemanagerapp/lib/database/database_init.dart
new file mode 100644
index 0000000..5b63867
--- /dev/null
+++ b/src/timemanagerapp/lib/database/database_init.dart
@@ -0,0 +1,30 @@
+import 'package:sqflite/sqflite.dart';
+import 'package:path/path.dart';
+import 'dart:async';
+
+/**
+ * 用于创建数据库，数据库表，并将其放回
+ */
+class MyDatabase {
+
+  static Future<Database>? initDatabase() async {
+    final databasePath = await getDatabasesPath();
+    final path = join(databasePath, 'tma.db');
+
+    // 打开数据库连接
+    final database =
+        await openDatabase(path, version: 1, onCreate: _createDatabase);
+    return Future.value(database);
+  }
+
+  static Future<void> _createDatabase(Database db, int version) async {
+    // 创建表
+    await db.execute('''
+      CREATE TABLE IF NOT EXISTS users(
+        id INTEGER PRIMARY KEY,
+        name TEXT NOT NULL,
+        age INTEGER NOT NULL
+      )
+    ''');
+  }
+}
diff --git a/src/timemanagerapp/lib/database/新建文本文档.txt b/src/timemanagerapp/lib/database/新建文本文档.txt
deleted file mode 100644
index e69de29..0000000
diff --git a/src/timemanagerapp/lib/main.dart b/src/timemanagerapp/lib/main.dart
index 54376c1..1aa1bb5 100644
--- a/src/timemanagerapp/lib/main.dart
+++ b/src/timemanagerapp/lib/main.dart
@@ -1,3 +1,4 @@
+/*
 import 'package:flutter/material.dart';
 import 'package:timemanagerapp/wighets/AddCourseFormWidget.dart';
 
@@ -18,3 +19,109 @@ class MyApp extends StatelessWidget {
     );
   }
 }
+*/
+import 'package:flutter/material.dart';
+import 'package:sqflite/sqflite.dart';
+import 'database/database_init.dart';
+
+void main() {
+  runApp(MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'SQLite Demo',
+      theme: ThemeData(
+        primarySwatch: Colors.blue,
+      ),
+      home: HomePage(),
+    );
+  }
+}
+
+class HomePage extends StatefulWidget {
+  @override
+  _HomePageState createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  Future<Database>? _database;
+  @override
+  void initState() {
+    super.initState();
+    //获取数据库对象
+    var db=MyDatabase.initDatabase();
+    setState(() {
+      _database=db;
+    });
+  }
+
+
+  Future<void> _insertUser() async {
+    final database = await _database;
+    if (database != null) {
+      await database.transaction((txn) async {
+        // 插入数据
+        await txn.rawInsert('''
+          INSERT INTO users(name, age)
+          VALUES('John Doe', 25)
+        ''');
+      });
+    }
+  }
+
+  Future<List<Map<String, dynamic>>> _getUsers() async {
+    final database = await _database;
+    if (database != null) {
+      return database.rawQuery('SELECT * FROM users');
+    } else {
+      return [];
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('SQLite Demo'),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            ElevatedButton(
+              onPressed: _insertUser,
+              child: Text('插入用户'),
+            ),
+            ElevatedButton(
+              onPressed: () {
+                _getUsers().then((users) {
+                  showDialog(
+                    context: context,
+                    builder: (context) {
+                      return AlertDialog(
+                        title: Text('用户列表'),
+                        content: Column(
+                          mainAxisSize: MainAxisSize.min,
+                          children: users
+                              .map((user) => ListTile(
+                                    title: Text(user['name']),
+                                    subtitle: Text('Age: ${user['age']}'),
+                                  ))
+                              .toList(),
+                        ),
+                      );
+                    },
+                  );
+                });
+              },
+              child: Text('获取用户列表'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/src/timemanagerapp/macos/Flutter/GeneratedPluginRegistrant.swift b/src/timemanagerapp/macos/Flutter/GeneratedPluginRegistrant.swift
index cccf817..8370e57 100644
--- a/src/timemanagerapp/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/src/timemanagerapp/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -5,6 +5,8 @@
 import FlutterMacOS
 import Foundation
 
+import sqflite
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
 }
diff --git a/src/timemanagerapp/pubspec.lock b/src/timemanagerapp/pubspec.lock
index 5e323d3..76e6755 100644
--- a/src/timemanagerapp/pubspec.lock
+++ b/src/timemanagerapp/pubspec.lock
@@ -6,7 +6,7 @@ packages:
     description:
       name: async
       sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.11.0"
   boolean_selector:
@@ -14,7 +14,7 @@ packages:
     description:
       name: boolean_selector
       sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   characters:
@@ -22,7 +22,7 @@ packages:
     description:
       name: characters
       sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
   clock:
@@ -30,7 +30,7 @@ packages:
     description:
       name: clock
       sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
   collection:
@@ -38,7 +38,7 @@ packages:
     description:
       name: collection
       sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.17.2"
   cupertino_icons:
@@ -46,7 +46,7 @@ packages:
     description:
       name: cupertino_icons
       sha256: d57953e10f9f8327ce64a508a355f0b1ec902193f66288e8cb5070e7c47eeb2d
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.6"
   fake_async:
@@ -54,7 +54,7 @@ packages:
     description:
       name: fake_async
       sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
   flutter:
@@ -67,7 +67,7 @@ packages:
     description:
       name: flutter_lints
       sha256: a25a15ebbdfc33ab1cd26c63a6ee519df92338a9c10f122adda92938253bef04
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.3"
   flutter_test:
@@ -80,7 +80,7 @@ packages:
     description:
       name: lints
       sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   matcher:
@@ -88,7 +88,7 @@ packages:
     description:
       name: matcher
       sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "0.12.16"
   material_color_utilities:
@@ -96,7 +96,7 @@ packages:
     description:
       name: material_color_utilities
       sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "0.5.0"
   meta:
@@ -104,15 +104,15 @@ packages:
     description:
       name: meta
       sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.3"
   sky_engine:
@@ -125,15 +125,31 @@ packages:
     description:
       name: source_span
       sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.10.0"
+  sqflite:
+    dependency: "direct main"
+    description:
+      name: sqflite
+      sha256: "591f1602816e9c31377d5f008c2d9ef7b8aca8941c3f89cc5fd9d84da0c38a9a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  sqflite_common:
+    dependency: transitive
+    description:
+      name: sqflite_common
+      sha256: "1b92f368f44b0dee2425bb861cfa17b6f6cf3961f762ff6f941d20b33355660a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.11.0"
   stream_channel:
@@ -141,7 +157,7 @@ packages:
     description:
       name: stream_channel
       sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
   string_scanner:
@@ -149,15 +165,23 @@ packages:
     description:
       name: string_scanner
       sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
+  synchronized:
+    dependency: transitive
+    description:
+      name: synchronized
+      sha256: "5fcbd27688af6082f5abd611af56ee575342c30e87541d0245f7ff99faa02c60"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   test_api:
@@ -165,7 +189,7 @@ packages:
     description:
       name: test_api
       sha256: "75760ffd7786fffdfb9597c35c5b27eaeec82be8edfb6d71d32651128ed7aab8"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "0.6.0"
   vector_math:
@@ -173,7 +197,7 @@ packages:
     description:
       name: vector_math
       sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
   web:
@@ -181,8 +205,9 @@ packages:
     description:
       name: web
       sha256: dc8ccd225a2005c1be616fe02951e2e342092edf968cf0844220383757ef8f10
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dev"
     source: hosted
     version: "0.1.4-beta"
 sdks:
   dart: ">=3.1.0 <4.0.0"
+  flutter: ">=3.3.0"
diff --git a/src/timemanagerapp/pubspec.yaml b/src/timemanagerapp/pubspec.yaml
index 6861925..82ddcf3 100644
--- a/src/timemanagerapp/pubspec.yaml
+++ b/src/timemanagerapp/pubspec.yaml
@@ -35,6 +35,8 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
+  sqflite: ^2.3.0
+  path: ^1.8.3
 
 dev_dependencies:
   flutter_test:
diff --git a/src/timemanagerapp/timemanagerapp.iml b/src/timemanagerapp/timemanagerapp.iml
index 3c2feff..f43e15c 100644
--- a/src/timemanagerapp/timemanagerapp.iml
+++ b/src/timemanagerapp/timemanagerapp.iml
@@ -10,6 +10,7 @@
       <excludeFolder url="file://$MODULE_DIR$/.pub" />
       <excludeFolder url="file://$MODULE_DIR$/.dart_tool" />
     </content>
+    <orderEntry type="jdk" jdkName="Android API 33, extension level 3 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Dart SDK" level="project" />
     <orderEntry type="library" name="Flutter Plugins" level="project" />
diff --git a/src/timemanagerapp/windows/flutter/ephemeral/generated_config.cmake b/src/timemanagerapp/windows/flutter/ephemeral/generated_config.cmake
index 837b967..5365ab6 100644
--- a/src/timemanagerapp/windows/flutter/ephemeral/generated_config.cmake
+++ b/src/timemanagerapp/windows/flutter/ephemeral/generated_config.cmake
@@ -1,6 +1,6 @@
 # Generated code do not commit.
-file(TO_CMAKE_PATH "C:\\SDKs\\Flutter\\flutter_windows_3.13.2-stable\\flutter" FLUTTER_ROOT)
-file(TO_CMAKE_PATH "D:\\Myprogramfile\\Flutter\\timemanagerapp" PROJECT_DIR)
+file(TO_CMAKE_PATH "E:\\develop_environment\\flutter-sdk\\flutter" FLUTTER_ROOT)
+file(TO_CMAKE_PATH "D:\\source-code\\TimeManager\\src\\timemanagerapp" PROJECT_DIR)
 
 set(FLUTTER_VERSION "1.0.0+1" PARENT_SCOPE)
 set(FLUTTER_VERSION_MAJOR 1 PARENT_SCOPE)
@@ -10,15 +10,15 @@ set(FLUTTER_VERSION_BUILD 1 PARENT_SCOPE)
 
 # Environment variables to pass to tool_backend.sh
 list(APPEND FLUTTER_TOOL_ENVIRONMENT
-  "FLUTTER_ROOT=C:\\SDKs\\Flutter\\flutter_windows_3.13.2-stable\\flutter"
-  "PROJECT_DIR=D:\\Myprogramfile\\Flutter\\timemanagerapp"
-  "FLUTTER_ROOT=C:\\SDKs\\Flutter\\flutter_windows_3.13.2-stable\\flutter"
-  "FLUTTER_EPHEMERAL_DIR=D:\\Myprogramfile\\Flutter\\timemanagerapp\\windows\\flutter\\ephemeral"
-  "PROJECT_DIR=D:\\Myprogramfile\\Flutter\\timemanagerapp"
-  "FLUTTER_TARGET=D:\\Myprogramfile\\Flutter\\timemanagerapp\\lib\\main.dart"
-  "DART_DEFINES=RkxVVFRFUl9XRUJfQVVUT19ERVRFQ1Q9dHJ1ZQ==,RkxVVFRFUl9XRUJfQ0FOVkFTS0lUX1VSTD1odHRwczovL3d3dy5nc3RhdGljLmNvbS9mbHV0dGVyLWNhbnZhc2tpdC9iMjAxODNlMDQwOTYwOTRiY2MzN2Q5Y2RlMmE0Yjk2ZjVjYzY4NGNmLw=="
+  "FLUTTER_ROOT=E:\\develop_environment\\flutter-sdk\\flutter"
+  "PROJECT_DIR=D:\\source-code\\TimeManager\\src\\timemanagerapp"
+  "FLUTTER_ROOT=E:\\develop_environment\\flutter-sdk\\flutter"
+  "FLUTTER_EPHEMERAL_DIR=D:\\source-code\\TimeManager\\src\\timemanagerapp\\windows\\flutter\\ephemeral"
+  "PROJECT_DIR=D:\\source-code\\TimeManager\\src\\timemanagerapp"
+  "FLUTTER_TARGET=D:\\source-code\\TimeManager\\src\\timemanagerapp\\lib\\main.dart"
+  "DART_DEFINES=RkxVVFRFUl9XRUJfQVVUT19ERVRFQ1Q9dHJ1ZQ==,RkxVVFRFUl9XRUJfQ0FOVkFTS0lUX1VSTD1odHRwczovL3d3dy5nc3RhdGljLmNvbS9mbHV0dGVyLWNhbnZhc2tpdC9iZDk4NmM1ZWQyMGE2MmRjMzRiNzcxOGM1MGFiYzc4MmJlYWU0YzMzLw=="
   "DART_OBFUSCATION=false"
   "TRACK_WIDGET_CREATION=true"
   "TREE_SHAKE_ICONS=false"
-  "PACKAGE_CONFIG=D:\\Myprogramfile\\Flutter\\timemanagerapp\\.dart_tool\\package_config.json"
+  "PACKAGE_CONFIG=D:\\source-code\\TimeManager\\src\\timemanagerapp\\.dart_tool\\package_config.json"
 )