diff --git a/src/.dart_tool/package_config.json b/src/.dart_tool/package_config.json
index 48146306..f49d1548 100644
--- a/src/.dart_tool/package_config.json
+++ b/src/.dart_tool/package_config.json
@@ -164,23 +164,7 @@
       "languageVersion": "3.1"
     }
   ],
-<<<<<<< HEAD
-  "generated": "2023-10-24T12:01:20.923476Z",
-=======
-<<<<<<< HEAD
-<<<<<<< HEAD
-  "generated": "2023-10-16T01:46:48.339173Z",
-=======
-<<<<<<< HEAD
-  "generated": "2023-10-16T01:37:37.659867Z",
-=======
-  "generated": "2023-10-14T16:04:33.747467Z",
->>>>>>> 99f10a789f1d8550634d678f64e6e5e48b4a346d
->>>>>>> 76a87407b46a1483a7bab52f8315f6937e30bc7f
-=======
-  "generated": "2023-10-16T02:07:01.224187Z",
->>>>>>> 067d60f6f80e4a73df5ed3a91bac3407273085cc
->>>>>>> de423840f81ecfe8842e778255c7b2d277887a46
+  "generated": "2023-10-31T03:02:37.119553Z",
   "generator": "pub",
   "generatorVersion": "3.1.1"
 }
diff --git a/src/.flutter-plugins-dependencies b/src/.flutter-plugins-dependencies
index 953a848f..5218fb65 100644
--- a/src/.flutter-plugins-dependencies
+++ b/src/.flutter-plugins-dependencies
@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"sqflite","path":"C:\\\\Users\\\\17651\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\sqflite-2.3.0\\\\","native_build":true,"dependencies":[]}],"android":[{"name":"sqflite","path":"C:\\\\Users\\\\17651\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\sqflite-2.3.0\\\\","native_build":true,"dependencies":[]}],"macos":[{"name":"sqflite","path":"C:\\\\Users\\\\17651\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\sqflite-2.3.0\\\\","native_build":true,"dependencies":[]}],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"sqflite","dependencies":[]}],"date_created":"2023-10-31 09:57:27.087857","version":"3.13.3"}
\ No newline at end of file
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"sqflite","path":"C:\\\\Users\\\\17651\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\sqflite-2.3.0\\\\","native_build":true,"dependencies":[]}],"android":[{"name":"sqflite","path":"C:\\\\Users\\\\17651\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\sqflite-2.3.0\\\\","native_build":true,"dependencies":[]}],"macos":[{"name":"sqflite","path":"C:\\\\Users\\\\17651\\\\AppData\\\\Local\\\\Pub\\\\Cache\\\\hosted\\\\pub.dev\\\\sqflite-2.3.0\\\\","native_build":true,"dependencies":[]}],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"sqflite","dependencies":[]}],"date_created":"2023-10-31 11:02:37.264592","version":"3.13.3"}
\ No newline at end of file
diff --git a/src/android/travelguide_android.iml b/src/android/travelguide_android.iml
index fe0081e9..7f180150 100644
--- a/src/android/travelguide_android.iml
+++ b/src/android/travelguide_android.iml
@@ -26,7 +26,6 @@
     <orderEntry type="library" name="Flutter for Android" level="project" />
     <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
     <orderEntry type="library" name="Dart SDK" level="project" />
-    <orderEntry type="library" name="Dart Packages" level="project" />
     <orderEntry type="module-library">
       <library>
         <CLASSES>
@@ -36,5 +35,6 @@
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="library" name="Dart Packages" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/src/lib/travelguideapp/ui/boundary/MapPage.dart b/src/lib/travelguideapp/ui/boundary/MapPage.dart
index c16cde1c..55c201a2 100644
--- a/src/lib/travelguideapp/ui/boundary/MapPage.dart
+++ b/src/lib/travelguideapp/ui/boundary/MapPage.dart
@@ -8,7 +8,7 @@ class MapPage extends StatefulWidget {
 }
 
 class _MapPageState extends State<MapPage> {
-  int currentFloor = 1;
+  int currentFloor = 0;
   final List<String> floorImages = [
     'assets/1F.png',
     'assets/2F.png',
@@ -25,17 +25,23 @@ class _MapPageState extends State<MapPage> {
     }
   }
 
+  void previousFloor() {
+    if (currentFloor > 0) {
+      setState(() {
+        currentFloor--;
+      });
+    }
+  }
+
   Widget _buildImage(String imagePath, double height, double verticalOffset) {
-    return Center( // 将图片居中
+    return Center(
       child: SizedBox(
-        height: height, // 使用传递的高度参数
+        height: height,
         child: Transform.translate(
-          offset: Offset(0, verticalOffset), // 使用传递的垂直偏移参数
+          offset: Offset(0, verticalOffset),
           child: Transform.scale(
-            scale: 0.9,
-            child: Image.asset(
-              imagePath,
-            ),
+            scale: 0.95,
+            child: Image.asset(imagePath),
           ),
         ),
       ),
@@ -46,18 +52,42 @@ class _MapPageState extends State<MapPage> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text('地图 - Floor ${currentFloor + 1}'),
+        title: Text('地图 - ${currentFloor + 1} 楼'),
         backgroundColor: Colors.green,
       ),
       body: Column(
+        mainAxisAlignment: MainAxisAlignment.center, // 垂直方向上居中对齐
         children: [
           _buildImage(floorImages[currentFloor], 200, 10),
-          ElevatedButton(
-            onPressed: nextFloor,
-            child: Text('切换到下一楼层'),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.spaceAround,
+            children: [
+              ElevatedButton(
+                style: ElevatedButton.styleFrom(
+                  backgroundColor: Colors.green,
+                  padding: EdgeInsets.all(16),
+                ),
+                onPressed: previousFloor,
+                child: Text(
+                  '切换到上一楼层',
+                  style: TextStyle(fontSize: 16),
+                ),
+              ),
+              ElevatedButton(
+                style: ElevatedButton.styleFrom(
+                  backgroundColor: Colors.green,
+                  padding: EdgeInsets.all(16),
+                ),
+                onPressed: nextFloor,
+                child: Text(
+                  '切换到下一楼层',
+                  style: TextStyle(fontSize: 16),
+                ),
+              ),
+            ],
           ),
         ],
       ),
     );
   }
-}
+}
\ No newline at end of file