diff --git a/lib/app/modules/home/controllers/home_controller.dart b/lib/app/modules/home/controllers/home_controller.dart
index 5485e73..ebb83b4 100644
--- a/lib/app/modules/home/controllers/home_controller.dart
+++ b/lib/app/modules/home/controllers/home_controller.dart
@@ -25,6 +25,7 @@ class HomeController extends GetxController {
   final exploreCount = 0.obs;
   final chatMsgList = RxList<ChatMsg>([]);
   final scrollController = ScrollController();
+  final selectKnowledge = Rx<KnowledgePoint?>(null);
 
   late String account = '';
   late int gender = 1;
@@ -37,7 +38,6 @@ class HomeController extends GetxController {
   late List<ExploreApp> rightExploreApps = [];
   late List<Goal> goals = [];
   late List<KnowledgePoint> knowledgePoints = [];
-  late KnowledgePoint selectKnowledge;
 
   final int second = 5;
   StreamSubscription<dynamic>? subscription;
@@ -93,7 +93,7 @@ class HomeController extends GetxController {
     knowledgePoints.add(KnowledgePoint(
         id: 1, left: 559.0, top: 149.0, title: '钱是怎么形成的？', leared: false));
     knowledgePoints.add(KnowledgePoint(
-        id: 2, right: 751.0, top: 198.0, title: '小实验溶解糖', leared: true));
+        id: 2, right: 751.0, top: 198.0, title: '小实验溶解糖', leared: false));
     knowledgePoints.add(KnowledgePoint(
         id: 3, left: 632.0, top: 278.0, title: '科学家是怎么工作的？', leared: false));
     knowledgePoints.add(KnowledgePoint(
@@ -221,11 +221,11 @@ class HomeController extends GetxController {
   }
 
   Future leareKnowledge(KnowledgePoint knowledge) async {
-    selectKnowledge = knowledge;
+    selectKnowledge.value = knowledge;
     chatMsgList.clear();
     chatMsgList.add(ChatMsg(
       id: Guid.newGuid.toString(),
-      knowledgeId: selectKnowledge.id,
+      knowledgeId: knowledge.id,
       isBot: 1,
       text: '探梦者，关于“${knowledge.title}”这个话题，你有什么想法或者疑问? 我们起交流吧!',
     ));
@@ -237,8 +237,19 @@ class HomeController extends GetxController {
       id: Guid.newGuid.toString(),
       text: txt,
       isBot: 0,
-      knowledgeId: selectKnowledge.id,
+      knowledgeId: selectKnowledge.value!.id,
     );
     chatMsgList.add(chatMsg);
+
+    var knowledge =
+        knowledgePoints.firstWhere((t) => t.id == selectKnowledge.value!.id);
+    knowledge.leared = true;
+    selectKnowledge.update((val) {
+      val!.leared = true;
+    });
+    exploreCount.value++;
+    if (exploreCount.value >= 2) {
+      explored.value = true;
+    }
   }
 }
diff --git a/lib/app/modules/home/views/explore_study_view.dart b/lib/app/modules/home/views/explore_study_view.dart
index 14b7270..ab039a1 100644
--- a/lib/app/modules/home/views/explore_study_view.dart
+++ b/lib/app/modules/home/views/explore_study_view.dart
@@ -46,7 +46,7 @@ class ExploreStudyView extends GetView<HomeController> {
               ),
               Center(
                 child: Text(
-                  controller.selectKnowledge.title!,
+                  controller.selectKnowledge.value!.title!,
                   style: TextStyles.boldWhiteShadow34_200,
                 ),
               )
@@ -54,36 +54,40 @@ class ExploreStudyView extends GetView<HomeController> {
           ),
         ),
         const RSizedBox(height: 10.0),
-        Row(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            Container(
-              width: 214.w,
-              height: 63.h,
-              decoration: BoxDecoration(
-                image: DecorationImage(
-                  image: controller.selectKnowledge.leared!
-                      ? Images.studyKnowledgePre
-                      : Images.studyKnowledgeDefault,
-                  fit: BoxFit.fill,
-                ),
-              ),
-              child: Row(
-                mainAxisAlignment: MainAxisAlignment.center,
-                crossAxisAlignment: CrossAxisAlignment.center,
-                children: [
-                  controller.selectKnowledge.leared!
-                      ? Images.studyIllumePre
-                      : Images.studyIllumeDefault,
-                  const RSizedBox(width: 4.0),
-                  Text(
-                    controller.selectKnowledge.leared! ? '已点亮知识点' : '点亮知识点',
-                    style: TextStyles.mediumWhite20,
+        Obx(
+          () => Row(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              Container(
+                width: 214.w,
+                height: 63.h,
+                decoration: BoxDecoration(
+                  image: DecorationImage(
+                    image: controller.selectKnowledge.value!.leared!
+                        ? Images.studyKnowledgePre
+                        : Images.studyKnowledgeDefault,
+                    fit: BoxFit.fill,
                   ),
-                ],
-              ),
-            )
-          ],
+                ),
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  crossAxisAlignment: CrossAxisAlignment.center,
+                  children: [
+                    controller.selectKnowledge.value!.leared!
+                        ? Images.studyIllumePre
+                        : Images.studyIllumeDefault,
+                    const RSizedBox(width: 4.0),
+                    Text(
+                      controller.selectKnowledge.value!.leared!
+                          ? '已点亮知识点'
+                          : '点亮知识点',
+                      style: TextStyles.mediumWhite20,
+                    ),
+                  ],
+                ),
+              )
+            ],
+          ),
         ),
         Flexible(
           fit: FlexFit.tight,
diff --git a/lib/app/modules/home/views/home_view.dart b/lib/app/modules/home/views/home_view.dart
index d13417e..3bb4e0d 100644
--- a/lib/app/modules/home/views/home_view.dart
+++ b/lib/app/modules/home/views/home_view.dart
@@ -100,12 +100,14 @@ class HomeView extends GetView<HomeController> {
                 ),
           controller.prompt.value
               ? Container()
-              : Positioned(
-                  right: 49.w,
-                  top: 50.h,
-                  child: ExploreWidget(
-                    explored: controller.explored.value,
-                    exploreCount: controller.exploreCount.value,
+              : Obx(
+                  () => Positioned(
+                    right: 49.w,
+                    top: 50.h,
+                    child: ExploreWidget(
+                      explored: controller.explored.value,
+                      exploreCount: controller.exploreCount.value,
+                    ),
                   ),
                 ),
           controller.prompt.value
@@ -155,42 +157,48 @@ class HomeView extends GetView<HomeController> {
   Widget goalWidget() {
     return Stack(
       children: [
-        controller.explored.value
-            ? Positioned(
-                left: 15.w,
-                top: 20.h,
-                child: Container(
-                  height: 311.h,
-                  width: 230.w,
-                  color: Colors.transparent,
-                  child: fourthGoalWidget(),
-                ),
-              )
-            : Container(),
-        controller.explored.value
-            ? Positioned(
-                left: 352.w,
-                top: 0.0,
-                child: Container(
-                  height: 221.h,
-                  width: 281.w,
-                  color: Colors.transparent,
-                  child: thirdGoalWidget(),
-                ),
-              )
-            : Container(),
-        controller.explored.value
-            ? Positioned(
-                left: 363.w,
-                top: 180.h,
-                child: Container(
-                  height: 240.h,
-                  width: 240.w,
-                  color: Colors.transparent,
-                  child: secondGoalWidget(),
-                ),
-              )
-            : Container(),
+        Obx(
+          () => controller.explored.value
+              ? Positioned(
+                  left: 15.w,
+                  top: 20.h,
+                  child: Container(
+                    height: 311.h,
+                    width: 230.w,
+                    color: Colors.transparent,
+                    child: fourthGoalWidget(),
+                  ),
+                )
+              : Container(),
+        ),
+        Obx(
+          () => controller.explored.value
+              ? Positioned(
+                  left: 352.w,
+                  top: 0.0,
+                  child: Container(
+                    height: 221.h,
+                    width: 281.w,
+                    color: Colors.transparent,
+                    child: thirdGoalWidget(),
+                  ),
+                )
+              : Container(),
+        ),
+        Obx(
+          () => controller.explored.value
+              ? Positioned(
+                  left: 363.w,
+                  top: 180.h,
+                  child: Container(
+                    height: 240.h,
+                    width: 240.w,
+                    color: Colors.transparent,
+                    child: secondGoalWidget(),
+                  ),
+                )
+              : Container(),
+        ),
       ],
     );
   }
@@ -439,54 +447,60 @@ class HomeView extends GetView<HomeController> {
             ),
           ),
         ),
-        controller.explored.value
-            ? Positioned(
-                left: 15.w,
-                top: 20.h,
-                child: Container(
-                  height: 311.h,
-                  width: 230.w,
-                  decoration: const BoxDecoration(
-                    image: DecorationImage(
-                      image: Images.homeFourthLeaf,
-                      fit: BoxFit.fill,
+        Obx(
+          () => controller.explored.value
+              ? Positioned(
+                  left: 15.w,
+                  top: 20.h,
+                  child: Container(
+                    height: 311.h,
+                    width: 230.w,
+                    decoration: const BoxDecoration(
+                      image: DecorationImage(
+                        image: Images.homeFourthLeaf,
+                        fit: BoxFit.fill,
+                      ),
                     ),
                   ),
-                ),
-              )
-            : Container(),
-        controller.explored.value
-            ? Positioned(
-                left: 352.w,
-                top: 0.0,
-                child: Container(
-                  height: 221.h,
-                  width: 281.w,
-                  decoration: const BoxDecoration(
-                    image: DecorationImage(
-                      image: Images.homeThirdLeaf,
-                      fit: BoxFit.fill,
+                )
+              : Container(),
+        ),
+        Obx(
+          () => controller.explored.value
+              ? Positioned(
+                  left: 352.w,
+                  top: 0.0,
+                  child: Container(
+                    height: 221.h,
+                    width: 281.w,
+                    decoration: const BoxDecoration(
+                      image: DecorationImage(
+                        image: Images.homeThirdLeaf,
+                        fit: BoxFit.fill,
+                      ),
                     ),
                   ),
-                ),
-              )
-            : Container(),
-        controller.explored.value
-            ? Positioned(
-                left: 363.w,
-                top: 180.h,
-                child: Container(
-                  height: 240.h,
-                  width: 240.w,
-                  decoration: const BoxDecoration(
-                    image: DecorationImage(
-                      image: Images.homeSecondLeaf,
-                      fit: BoxFit.fill,
+                )
+              : Container(),
+        ),
+        Obx(
+          () => controller.explored.value
+              ? Positioned(
+                  left: 363.w,
+                  top: 180.h,
+                  child: Container(
+                    height: 240.h,
+                    width: 240.w,
+                    decoration: const BoxDecoration(
+                      image: DecorationImage(
+                        image: Images.homeSecondLeaf,
+                        fit: BoxFit.fill,
+                      ),
                     ),
                   ),
-                ),
-              )
-            : Container(),
+                )
+              : Container(),
+        ),
         controller.prompt.value ? Container() : firstLeafWidget(),
         Positioned(
           left: 168.w,
@@ -557,9 +571,11 @@ class HomeView extends GetView<HomeController> {
             Positioned(
               left: 23.w,
               top: 26.h,
-              child: Text(
-                '本月已点亮0个知识点',
-                style: TextStyles.mediumWhiteShadow12_111,
+              child: Obx(
+                () => Text(
+                  '本月已点亮${controller.exploreCount.value}个知识点',
+                  style: TextStyles.mediumWhiteShadow12_111,
+                ),
               ),
             ),
           ],
@@ -605,21 +621,23 @@ class HomeView extends GetView<HomeController> {
         onTap: () {
           if (controller.explored.value) {}
         },
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.center,
-          children: [
-            LoadAssetImage(
-              'home/${controller.explored.value ? app.icon : app.grayIcon}',
-              height: 74.w,
-              width: 74.w,
-              fit: BoxFit.fill,
-            ),
-            const RSizedBox(height: 2),
-            Text(
-              app.name!,
-              style: TextStyles.boldWhite16,
-            )
-          ],
+        child: Obx(
+          () => Column(
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              LoadAssetImage(
+                'home/${controller.explored.value ? app.icon : app.grayIcon}',
+                height: 74.w,
+                width: 74.w,
+                fit: BoxFit.fill,
+              ),
+              const RSizedBox(height: 2),
+              Text(
+                app.name!,
+                style: TextStyles.boldWhite16,
+              )
+            ],
+          ),
         ),
       ),
     );
diff --git a/lib/app/shared/utils/other_utils.dart b/lib/app/shared/utils/other_utils.dart
index f06f20e..58d2d1a 100644
--- a/lib/app/shared/utils/other_utils.dart
+++ b/lib/app/shared/utils/other_utils.dart
@@ -1,4 +1,3 @@
-import 'dart:io';
 import 'dart:ui';
 
 import 'package:flustars_flutter3/flustars_flutter3.dart';
@@ -6,27 +5,11 @@ import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:keyboard_actions/keyboard_actions_config.dart';
 import 'package:keyboard_actions/keyboard_actions_item.dart';
-import 'package:pdf/widgets.dart' as pw;
 
 import '../constants/constants.dart';
 import 'theme_utils.dart';
 
-class SavePdf {
-  pw.Document document;
-  String name;
-  String path;
-
-  SavePdf(this.document, this.name, this.path);
-}
-
 class Utils {
-  static Future<String> savePdf(SavePdf pdf) async {
-    var filePath = "${pdf.path}/${pdf.name}.pdf";
-    final file = File(filePath);
-    await file.writeAsBytes(await pdf.document.save());
-    return filePath;
-  }
-
   static String formatPrice(String price,
       {MoneyFormat format = MoneyFormat.END_INTEGER}) {
     return MoneyUtil.changeYWithUnit(
@@ -88,11 +71,8 @@ Future<T?> showElasticDialog<T>({
   );
 }
 
-Widget buildDialogTransitions(
-    BuildContext context,
-    Animation<double> animation,
-    Animation<double> secondaryAnimation,
-    Widget child) {
+Widget buildDialogTransitions(BuildContext context, Animation<double> animation,
+    Animation<double> secondaryAnimation, Widget child) {
   return FadeTransition(
     opacity: CurvedAnimation(
       parent: animation,
diff --git a/pubspec.lock b/pubspec.lock
index c841b19..0f63d55 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -17,14 +17,6 @@ packages:
       url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
     source: hosted
     version: "1.1.0"
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      sha256: "7e0d52067d05f2e0324268097ba723b71cb41ac8a6a2b24d1edf9c536b987b03"
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "3.4.6"
   async:
     dependency: transitive
     description:
@@ -33,22 +25,6 @@ packages:
       url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
     source: hosted
     version: "2.11.0"
-  barcode:
-    dependency: transitive
-    description:
-      name: barcode
-      sha256: "789f898eef0bd88312470bdb2cc996f895ad7dd5f89e9adde84b204546a90b45"
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "2.2.4"
-  bidi:
-    dependency: transitive
-    description:
-      name: bidi
-      sha256: "1a7d0c696324b2089f72e7671fd1f1f64fef44c980f3cebc84e803967c597b63"
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "2.0.10"
   boolean_selector:
     dependency: transitive
     description:
@@ -177,14 +153,6 @@ packages:
       url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
     source: hosted
     version: "5.3.3"
-  dropdown_button2:
-    dependency: "direct main"
-    description:
-      name: dropdown_button2
-      sha256: b0fe8d49a030315e9eef6c7ac84ca964250155a6224d491c1365061bc974a9e1
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "2.3.9"
   easy_refresh:
     dependency: "direct main"
     description:
@@ -309,14 +277,6 @@ packages:
       url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
     source: hosted
     version: "4.0.2"
-  image:
-    dependency: transitive
-    description:
-      name: image
-      sha256: "028f61960d56f26414eb616b48b04eb37d700cbe477b7fb09bf1d7ce57fd9271"
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "4.1.3"
   intl:
     dependency: "direct main"
     description:
@@ -325,14 +285,6 @@ packages:
       url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
     source: hosted
     version: "0.18.1"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "0.6.7"
   keyboard_actions:
     dependency: "direct main"
     description:
@@ -469,22 +421,6 @@ packages:
       url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
     source: hosted
     version: "2.2.1"
-  pdf:
-    dependency: "direct main"
-    description:
-      name: pdf
-      sha256: "9f75fc7f5580ea5e635b5724de58fb27f684c9ad03ed46fdc1aac768e4557315"
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "3.10.4"
-  petitparser:
-    dependency: transitive
-    description:
-      name: petitparser
-      sha256: cb3798bef7fc021ac45b308f4b51208a152792445cce0448c9a4ba5879dd8750
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "5.4.0"
   platform:
     dependency: transitive
     description:
@@ -501,14 +437,6 @@ packages:
       url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
     source: hosted
     version: "2.1.6"
-  pointycastle:
-    dependency: transitive
-    description:
-      name: pointycastle
-      sha256: "7c1e5f0d23c9016c5bbd8b1473d0d3fb3fc851b876046039509e18e0c7485f2c"
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "3.7.3"
   qiniu_flutter_sdk:
     dependency: "direct main"
     description:
@@ -525,14 +453,6 @@ packages:
       url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
     source: hosted
     version: "0.5.0"
-  qr:
-    dependency: transitive
-    description:
-      name: qr
-      sha256: "64957a3930367bf97cc211a5af99551d630f2f4625e38af10edd6b19131b64b3"
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "3.0.1"
   rational:
     dependency: transitive
     description:
@@ -635,7 +555,7 @@ packages:
     source: hosted
     version: "1.10.0"
   sp_util:
-    dependency: "direct main"
+    dependency: transitive
     description:
       name: sp_util
       sha256: "9da43dce5de79c17a787d0626bf01538d63090ca32521200d22a232171c495dc"
@@ -762,14 +682,6 @@ packages:
       url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
     source: hosted
     version: "1.0.3"
-  xml:
-    dependency: transitive
-    description:
-      name: xml
-      sha256: "5bc72e1e45e941d825fd7468b9b4cc3b9327942649aeb6fc5cdbf135f0a86e84"
-      url: "https://mirrors.sjtug.sjtu.edu.cn/dart-pub/"
-    source: hosted
-    version: "6.3.0"
 sdks:
   dart: ">=3.1.0-185.0.dev <4.0.0"
   flutter: ">=3.13.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index bfd8966..6374b0f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: dreampad
-version: 1.1.4
+version: 0.1.1
 publish_to: none
 description: Dream Pad.
 environment: 
@@ -17,8 +17,6 @@ dependencies:
   device_info_plus: 8.1.0
   # Dart 常用工具类库 https://github.com/Sky24n/common_utils
   common_utils: 2.1.0
-  sp_util: 2.0.3
-  # Flutter 常用工具类库 https://github.com/mdddj/flustars
   flustars_flutter3: ^3.0.0
   # 数据库 https://github.com/tekartik/sqflite
   sqflite: ^2.0.1
@@ -28,10 +26,8 @@ dependencies:
   flutter_guid: ^0.3.1
   animated_text_kit: ^4.2.2
   flutter_smart_dialog: ^4.9.4
-  dropdown_button2: ^2.3.8
   bubble_box: ^0.5.3
   flutter_screenutil: ^5.9.0
-  pdf: ^3.10.4
   easy_refresh: ^3.3.2+1
   scrollview_observer: ^1.16.5
   qiniu_flutter_sdk: ^0.5.0