diff --git a/lib/api/content.dart b/lib/api/content.dart
index 234a506..4f736b5 100644
--- a/lib/api/content.dart
+++ b/lib/api/content.dart
@@ -14,7 +14,7 @@ class FictionContent {
       // https://cn.ttkan.co/novel/user/page_direct?novel_id=jiansong-danshuiluyu&page=760
       final url =
           "https://cn.ttkan.co/novel/user/page_direct?novel_id=$novelID&page=$chapterID";
-      final content = await Http.get(url);
+      final content = await Http.get(Uri.parse(url));
       final dom = parse(content.body);
       final fictionTitle = dom
           .querySelectorAll(
diff --git a/lib/api/detail.dart b/lib/api/detail.dart
index a00baa3..0fa9ead 100644
--- a/lib/api/detail.dart
+++ b/lib/api/detail.dart
@@ -23,7 +23,7 @@ class NovelDetail {
   static Future<NovelDetail> from(String novelID,
       {Language language = Language.ChineseSimplified}) async {
     final baseUrl = "https://cn.ttkan.co/novel/chapters/";
-    final res = await Http.get(baseUrl + novelID);
+    final res = await Http.get(Uri.parse(baseUrl + novelID));
     final dom = parse(res.body);
     final novelDetail = NovelDetail();
     novelDetail.coverUrl = dom
@@ -50,11 +50,12 @@ class NovelDetail {
     }
     novelDetail.description = dom
         .querySelector(
-            "#__layout > div > div:nth-child(2) > div > div.description > p")
+            "#__layout > div > div:nth-child(2) > div > div.description")
+        .querySelector("p")
         .text;
 
-    final res2 = await Http.get(
-        "https://cn.ttkan.co/api/nq/amp_novel_chapters?${language == Language.ChineseSimplified ? "language=cn" : ""}&novel_id=$novelID");
+    final res2 = await Http.get(Uri.parse(
+        "https://cn.ttkan.co/api/nq/amp_novel_chapters?${language == Language.ChineseSimplified ? "language=cn" : ""}&novel_id=$novelID"));
 
     final result = JsonDecoder().convert(res2.body)["items"].map((it) {
       return Chapter(it["chapter_name"], it["chapter_id"].toString());
diff --git a/lib/api/recommendation.dart b/lib/api/recommendation.dart
index 72e8705..c5d4cf0 100644
--- a/lib/api/recommendation.dart
+++ b/lib/api/recommendation.dart
@@ -43,7 +43,7 @@ class Recommendation {
 
   static Future<Recommendation> create() async {
     final url = "https://cn.ttkan.co/";
-    final res = await Http.get(url);
+    final res = await Http.get(Uri.parse(url));
     final dom = parse(res.body);
     final recommends = dom
         .querySelectorAll(".rank_frame > div:not(.rank_title) > a")
@@ -57,8 +57,9 @@ class Recommendation {
         .toList();
 
     final categoryRecommends =
-        dom.querySelectorAll(".frame_body > .pure-g > div").map((e) {
-      final category = e.querySelector("h2").text.trim();
+        dom.querySelectorAll(".frame_body > .pure-g > div.hot_cell").map((e) {
+      final element = e.querySelector("h2");
+      final category = element.text.trim();
       final headerDom = e.querySelector("li").querySelector("a");
       final headerDetail =
           e.querySelectorAll("li div p").map((e) => e.text).toList();
@@ -87,6 +88,6 @@ class Recommendation {
 }
 
 main() async {
-  await Recommendation.create();
+  final reco = await Recommendation.create();
   print("hello");
 }
diff --git a/lib/api/search.dart b/lib/api/search.dart
index 5a05d1d..07181a2 100644
--- a/lib/api/search.dart
+++ b/lib/api/search.dart
@@ -35,7 +35,7 @@ Language getLanguageFromString(String s) {
 Future<List<Novel>> search(String keyword,
     {Language language = Language.ChineseTraditional}) async {
   final url = (language == Language.ChineseSimplified ? api_cn : api) + keyword;
-  final res = await Http.get(url);
+  final res = await Http.get(Uri.parse(url));
 
   final selector = "#__layout > div > div.frame_body > div.pure-g > div";
 
diff --git a/lib/database.dart b/lib/database.dart
index 7c724c0..b317113 100644
--- a/lib/database.dart
+++ b/lib/database.dart
@@ -94,7 +94,7 @@ CREATE TABLE IF NOT EXISTS $_historyTable (
         result["chapter_title"],
         result["fiction_id"],
         result["chapter_id"],
-        result["content"].split("\n"));
+        (result["content"] as String).split("\n"));
   }
 
   Future<int> cacheIfNotCached(FictionContent fictionContent) async {
diff --git a/lib/pages/fictionrecommand.dart b/lib/pages/fictionrecommand.dart
index 6d31e28..9c46d68 100644
--- a/lib/pages/fictionrecommand.dart
+++ b/lib/pages/fictionrecommand.dart
@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:ui';
 
 import 'package:fiction_reader/api/recommendation.dart';
 import 'package:fiction_reader/main.dart';
@@ -17,7 +18,6 @@ class _FictionRecommendationState extends State<FictionRecommendation> {
 
   @override
   void initState() {
-    // TODO: implement initState
     super.initState();
     Recommendation.create()
         .then((value) => _recommendationController.add(value));
@@ -29,6 +29,85 @@ class _FictionRecommendationState extends State<FictionRecommendation> {
     _jumpToDetail(id);
   }
 
+  List<Widget> _listItem(Recommendation recommend) {
+    return recommend.categoryRecommends
+        .asMap()
+        .map(
+          (i, e) => MapEntry(
+            i,
+            ListView.builder(
+              itemCount: recommend.categoryRecommends[i].items.length + 1,
+              itemBuilder: (_, index) {
+                if (index == 0) {
+                  final data = recommend.categoryRecommends[i].header;
+                  return SizedBox(
+                    height: 100,
+                    child: InkWell(
+                      onTap: () {
+                        _jumpToDetail(data.fictionId);
+                      },
+                      child: Padding(
+                        padding: const EdgeInsets.all(8.0),
+                        child: Row(
+                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                          crossAxisAlignment: CrossAxisAlignment.stretch,
+                          children: [
+                            Padding(
+                              padding: const EdgeInsets.only(right: 8),
+                              child: Image.network(data.imageUrl),
+                            ),
+                            Expanded(
+                              child: Column(
+                                children: [
+                                  Row(
+                                      crossAxisAlignment:
+                                          CrossAxisAlignment.baseline,
+                                      textBaseline: TextBaseline.ideographic,
+                                      children: [
+                                        Text(
+                                          data.title,
+                                          style: TextStyle(fontSize: 20),
+                                        ),
+                                        SizedBox(
+                                          width: 8,
+                                        ),
+                                        Text(data.author),
+                                      ]),
+                                  Text(
+                                    data.description,
+                                    overflow: TextOverflow.ellipsis,
+                                  ),
+                                ],
+                              ),
+                            )
+                          ],
+                        ),
+                      ),
+                    ),
+                  );
+                } else {
+                  return InkWell(
+                    onTap: () {
+                      _jumpToDetail(recommend
+                          .categoryRecommends[i].items[index - 1].fictionId);
+                    },
+                    child: Padding(
+                      padding: EdgeInsets.all(8),
+                      child: Text(
+                        recommend.categoryRecommends[i].items[index - 1].title,
+                        style: TextStyle(fontSize: 20),
+                      ),
+                    ),
+                  );
+                }
+              },
+            ),
+          ),
+        )
+        .values
+        .toList();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Container(
@@ -48,7 +127,11 @@ class _FictionRecommendationState extends State<FictionRecommendation> {
                     final data = recommend.recommends[index];
                     return Stack(
                       children: [
-                        Image.network(data.novelIMG),
+                        Image.network(
+                          data.novelIMG,
+                          height: 130,
+                          width: 98,
+                        ),
                         Positioned.fill(
                           child: Material(
                             color: Colors.transparent,
@@ -92,96 +175,7 @@ class _FictionRecommendationState extends State<FictionRecommendation> {
                       ),
                       Expanded(
                         child: TabBarView(
-                          children: [
-                            ...recommend.categoryRecommends
-                                .asMap()
-                                .map(
-                                  (i, e) => MapEntry(
-                                    i,
-                                    ListView.builder(
-                                      itemCount: recommend.categoryRecommends[i]
-                                              .items.length +
-                                          1,
-                                      itemBuilder: (_, index) {
-                                        if (index == 0) {
-                                          final data = recommend
-                                              .categoryRecommends[i].header;
-                                          return IntrinsicHeight(
-                                            child: InkWell(
-                                              onTap: () {
-                                                _jumpToDetail(data.fictionId);
-                                              },
-                                              child: Padding(
-                                                padding:
-                                                    const EdgeInsets.all(8.0),
-                                                child: Row(
-                                                  mainAxisAlignment:
-                                                      MainAxisAlignment
-                                                          .spaceBetween,
-                                                  children: [
-                                                    Image.network(
-                                                        data.imageUrl),
-                                                    Expanded(
-                                                      child: Column(
-                                                        children: [
-                                                          Row(
-                                                              crossAxisAlignment:
-                                                                  CrossAxisAlignment
-                                                                      .baseline,
-                                                              textBaseline:
-                                                                  TextBaseline
-                                                                      .ideographic,
-                                                              children: [
-                                                                Text(
-                                                                  data.title,
-                                                                  style: TextStyle(
-                                                                      fontSize:
-                                                                          20),
-                                                                ),
-                                                                SizedBox(
-                                                                  width: 8,
-                                                                ),
-                                                                Text(data
-                                                                    .author),
-                                                              ]),
-                                                          Text(
-                                                            data.description,
-                                                            overflow:
-                                                                TextOverflow
-                                                                    .ellipsis,
-                                                          ),
-                                                        ],
-                                                      ),
-                                                    )
-                                                  ],
-                                                ),
-                                              ),
-                                            ),
-                                          );
-                                        } else {
-                                          return InkWell(
-                                            onTap: () {
-                                              _jumpToDetail(recommend
-                                                  .categoryRecommends[i]
-                                                  .items[index - 1]
-                                                  .fictionId);
-                                            },
-                                            child: Padding(
-                                              padding: EdgeInsets.all(8),
-                                              child: Text(
-                                                recommend.categoryRecommends[i]
-                                                    .items[index - 1].title,
-                                                style: TextStyle(fontSize: 20),
-                                              ),
-                                            ),
-                                          );
-                                        }
-                                      },
-                                    ),
-                                  ),
-                                )
-                                .values,
-                          ],
+                          children: [...this._listItem(recommend)],
                         ),
                       )
                     ],
diff --git a/pubspec.lock b/pubspec.lock
index 9c5dfeb..41d7ea8 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -7,119 +7,119 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "11.0.0"
+    version: "22.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.40.4"
+    version: "1.7.1"
   args:
     dependency: transitive
     description:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.0"
+    version: "2.2.0"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.2"
+    version: "2.8.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.5"
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.3"
+    version: "1.3.1"
   cli_util:
     dependency: transitive
     description:
       name: cli_util
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.0"
+    version: "0.3.3"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0-nullsafety.5"
+    version: "1.15.0"
   convert:
     dependency: transitive
     description:
       name: convert
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "3.0.1"
   coverage:
     dependency: transitive
     description:
       name: coverage
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.14.1"
+    version: "1.0.3"
   crypto:
     dependency: transitive
     description:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.5"
+    version: "3.0.1"
   csslib:
     dependency: transitive
     description:
       name: csslib
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.16.2"
+    version: "0.17.0"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "1.0.3"
   draggable_scrollbar:
     dependency: "direct main"
     description:
       name: draggable_scrollbar
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.4"
+    version: "0.1.0"
   ffi:
     dependency: transitive
     description:
       name: ffi
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "1.1.2"
   file:
     dependency: transitive
     description:
       name: file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.2.1"
+    version: "6.1.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -130,293 +130,279 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   glob:
     dependency: transitive
     description:
       name: glob
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "2.0.1"
   google_fonts:
     dependency: "direct main"
     description:
       name: google_fonts
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.1"
+    version: "2.1.0"
   html:
     dependency: "direct main"
     description:
       name: html
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.14.0+4"
+    version: "0.15.0"
   http:
     dependency: "direct main"
     description:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.2"
+    version: "0.13.3"
   http_multi_server:
     dependency: transitive
     description:
       name: http_multi_server
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "3.0.1"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.4"
-  intl:
-    dependency: transitive
-    description:
-      name: intl
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.16.1"
+    version: "4.0.0"
   io:
     dependency: transitive
     description:
       name: io
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.4"
+    version: "1.0.3"
   js:
     dependency: transitive
     description:
       name: js
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.3-nullsafety.3"
+    version: "0.6.3"
   logging:
     dependency: transitive
     description:
       name: logging
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.11.4"
+    version: "1.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.9"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.6"
+    version: "1.3.0"
   mime:
     dependency: transitive
     description:
       name: mime
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.7"
+    version: "1.0.0"
   nested:
     dependency: transitive
     description:
       name: nested
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.4"
-  node_interop:
-    dependency: transitive
-    description:
-      name: node_interop
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.1"
-  node_io:
-    dependency: transitive
-    description:
-      name: node_io
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.1"
+    version: "1.0.0"
   node_preamble:
     dependency: transitive
     description:
       name: node_preamble
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.12"
+    version: "2.0.1"
   package_config:
     dependency: transitive
     description:
       name: package_config
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "2.0.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0"
   path_provider:
     dependency: transitive
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.22"
+    version: "2.0.2"
   path_provider_linux:
     dependency: transitive
     description:
       name: path_provider_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.1+2"
+    version: "2.0.2"
   path_provider_macos:
     dependency: transitive
     description:
       name: path_provider_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.4+4"
+    version: "2.0.2"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.3"
+    version: "2.0.1"
   path_provider_windows:
     dependency: transitive
     description:
       name: path_provider_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.4+1"
+    version: "2.0.3"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.2"
+    version: "1.11.1"
   platform:
     dependency: transitive
     description:
       name: platform
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.1"
+    version: "3.0.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.3"
+    version: "2.0.1"
   pool:
     dependency: transitive
     description:
       name: pool
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.0"
+    version: "1.5.0"
   process:
     dependency: transitive
     description:
       name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.13"
+    version: "4.2.3"
   provider:
     dependency: "direct main"
     description:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.3.2+2"
+    version: "5.0.0"
   pub_semver:
     dependency: transitive
     description:
       name: pub_semver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.4"
+    version: "2.0.0"
   shared_preferences:
     dependency: "direct main"
     description:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.12+2"
+    version: "2.0.6"
   shared_preferences_linux:
     dependency: transitive
     description:
       name: shared_preferences_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.2+2"
+    version: "2.0.2"
   shared_preferences_macos:
     dependency: transitive
     description:
       name: shared_preferences_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.1+10"
+    version: "2.0.2"
   shared_preferences_platform_interface:
     dependency: transitive
     description:
       name: shared_preferences_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "2.0.0"
   shared_preferences_web:
     dependency: transitive
     description:
       name: shared_preferences_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.2+7"
+    version: "2.0.1"
   shared_preferences_windows:
     dependency: transitive
     description:
       name: shared_preferences_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.1+1"
+    version: "2.0.2"
   shelf:
     dependency: transitive
     description:
       name: shelf
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.9"
+    version: "1.2.0"
   shelf_packages_handler:
     dependency: transitive
     description:
       name: shelf_packages_handler
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "3.0.0"
   shelf_static:
     dependency: transitive
     description:
       name: shelf_static
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.8"
+    version: "1.1.0"
   shelf_web_socket:
     dependency: transitive
     description:
       name: shelf_web_socket
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.3"
+    version: "1.0.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -428,154 +414,154 @@ packages:
       name: source_map_stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   source_maps:
     dependency: transitive
     description:
       name: source_maps
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.10.9"
+    version: "0.10.10"
   source_span:
     dependency: transitive
     description:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.1"
   sqflite:
     dependency: "direct main"
     description:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.1+2"
+    version: "2.0.0+3"
   sqflite_common:
     dependency: transitive
     description:
       name: sqflite_common
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2+1"
+    version: "2.0.0+2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.5"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0"
   synchronized:
     dependency: transitive
     description:
       name: synchronized
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0+2"
+    version: "3.0.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   test:
     dependency: "direct dev"
     description:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.4"
+    version: "1.17.10"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.18"
+    version: "0.4.2"
   test_core:
     dependency: transitive
     description:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.11+1"
+    version: "0.4.0"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.5"
+    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.5"
+    version: "2.1.0"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.2.0"
+    version: "7.2.0"
   watcher:
     dependency: transitive
     description:
       name: watcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.7+15"
+    version: "1.0.0"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "2.1.0"
   webkit_inspection_protocol:
     dependency: transitive
     description:
       name: webkit_inspection_protocol
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.3"
+    version: "1.0.0"
   win32:
     dependency: transitive
     description:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.3"
+    version: "2.2.5"
   xdg_directories:
     dependency: transitive
     description:
       name: xdg_directories
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.2"
+    version: "0.2.0"
   yaml:
     dependency: transitive
     description:
       name: yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.1"
+    version: "3.1.0"
 sdks:
-  dart: ">=2.12.0-0 <3.0.0"
-  flutter: ">=1.17.0 <2.0.0"
+  dart: ">=2.13.0 <3.0.0"
+  flutter: ">=2.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 710a3f2..96f6be1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -10,21 +10,21 @@ dependencies:
   flutter:
     sdk: flutter
 
-  cupertino_icons: ^0.1.3
+  cupertino_icons: ^1.0.3
 
-  http: ^0.12.2
+  http: ^0.13.3
 
-  html: ^0.14.0+4
+  html: ^0.15.0
 
-  draggable_scrollbar: ^0.0.4
+  draggable_scrollbar: ^0.1.0
 
-  provider: ^4.3.2+2
+  provider: ^5.0.0
 
-  sqflite: 1.3.1+2
+  sqflite: ^2.0.0+3
 
-  google_fonts: ^1.1.1
+  google_fonts: ^2.1.0
 
-  shared_preferences: ^0.5.12+2
+  shared_preferences: ^2.0.6
 
 dev_dependencies:
   test: ^1.15.4