diff --git a/android/app/build.gradle b/android/app/build.gradle
index f273b4d..4643b6f 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -44,7 +44,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.akucommunity.aku_community_manager"
-        minSdkVersion 24
+        minSdkVersion 21
         targetSdkVersion 29
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
diff --git a/lib/ui/tool_pages/scan_page.dart b/lib/ui/tool_pages/scan_page.dart
index ac7ebaf..934c3b1 100644
--- a/lib/ui/tool_pages/scan_page.dart
+++ b/lib/ui/tool_pages/scan_page.dart
@@ -48,9 +48,9 @@ class _ScanPageState extends State<ScanPage> {
             onQRViewCreated: (controller) {
               _qrViewController = controller;
               controller.scannedDataStream.listen((event) {
-                if (tempText != event) {
-                  tempText = event;
-                  BotToast.showText(text: event);
+                if (tempText != event.code) {
+                  tempText = event.code;
+                  BotToast.showText(text: event.code);
                 }
               });
             },
diff --git a/pubspec.lock b/pubspec.lock
index b68d509..8d2f70a 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -337,7 +337,7 @@ packages:
       name: qr_code_scanner
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.0.13"
+    version: "0.3.4"
   rational:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 74bea3f..ca5e8d5 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -40,7 +40,7 @@ dependencies:
   #划动组件
   carousel_slider: ^2.3.1
   #qrcode san
-  qr_code_scanner: ^0.0.13
+  qr_code_scanner: 
   #toast
   bot_toast: ^3.0.4