diff --git a/Assets/Editor/iOSFixDuplicateShellScript.cs b/Assets/Editor/iOSFixDuplicateShellScript.cs
new file mode 100644
index 0000000..470c63c
--- /dev/null
+++ b/Assets/Editor/iOSFixDuplicateShellScript.cs
@@ -0,0 +1,26 @@
+#if UNITY_IOS
+using UnityEditor;
+using UnityEditor.Callbacks;
+using System.IO;
+using System.Text.RegularExpressions;
+
+public class iOSFixDuplicateShellScript
+{
+    [PostProcessBuild]
+    public static void OnPostProcessBuild(BuildTarget target, string pathToBuiltProject)
+    {
+        if (target != BuildTarget.iOS) return;
+
+        string projPath = Path.Combine(pathToBuiltProject, "Unity-iPhone.xcodeproj/project.pbxproj");
+        if (!File.Exists(projPath)) return;
+
+        string content = File.ReadAllText(projPath);
+
+        // 匹配 GameAssembly target 的 buildPhases 中连续两个相同的 ShellScript
+        string pattern = @"(\t+([A-F0-9]+) /\* ShellScript \*/,)\n\t+\2 /\* ShellScript \*,/";
+        content = Regex.Replace(content, pattern, "$1");
+
+        File.WriteAllText(projPath, content);
+    }
+}
+#endif
diff --git a/Assets/Editor/iOSFixDuplicateShellScript.cs.meta b/Assets/Editor/iOSFixDuplicateShellScript.cs.meta
new file mode 100644
index 0000000..91c0ef2
--- /dev/null
+++ b/Assets/Editor/iOSFixDuplicateShellScript.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 7deade7af8d5c428e8c773a0c818f45c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scenes/MainScene.unity b/Assets/Scenes/MainScene.unity
index d48244a..4906776 100644
--- a/Assets/Scenes/MainScene.unity
+++ b/Assets/Scenes/MainScene.unity
@@ -853,7 +853,7 @@ Camera:
   m_GameObject: {fileID: 963194225}
   m_Enabled: 1
   serializedVersion: 2
-  m_ClearFlags: 4
+  m_ClearFlags: 2
   m_BackGroundColor: {r: 0.19215687, g: 0.3019608, b: 0.4745098, a: 0}
   m_projectionMatrixMode: 1
   m_GateFitMode: 2
diff --git a/Assets/Scripts/UI/Pages/ConnectDevice/ScanQRcode.cs b/Assets/Scripts/UI/Pages/ConnectDevice/ScanQRcode.cs
index b8bf1a0..eece869 100644
--- a/Assets/Scripts/UI/Pages/ConnectDevice/ScanQRcode.cs
+++ b/Assets/Scripts/UI/Pages/ConnectDevice/ScanQRcode.cs
@@ -307,15 +307,27 @@ namespace Kill.UI.Pages
                     // 异步解析二维码以避免卡顿
                     if (useAsyncScan)
                     {
+                        // 在主线程提取像素数据（Unity API 必须在主线程调用）
+                        Color32[] pixels = previewTexture.GetPixels32();
+                        int texWidth = previewTexture.width;
+                        int texHeight = previewTexture.height;
+                        byte[] rgbBytes = new byte[pixels.Length * 3];
+                        for (int i = 0; i < pixels.Length; i++)
+                        {
+                            rgbBytes[i * 3] = pixels[i].r;
+                            rgbBytes[i * 3 + 1] = pixels[i].g;
+                            rgbBytes[i * 3 + 2] = pixels[i].b;
+                        }
+
                         string result = null;
                         bool scanComplete = false;
 
-                        // 在后台线程执行解码
+                        // 在后台线程执行 ZXing 解码（纯计算，不涉及 Unity API）
                         System.Threading.ThreadPool.QueueUserWorkItem(_ =>
                         {
                             try
                             {
-                                result = DecodeQRCode(previewTexture);
+                                result = DecodeQRCodeFromBytes(rgbBytes, texWidth, texHeight);
                             }
                             catch (Exception e)
                             {
@@ -478,6 +490,27 @@ namespace Kill.UI.Pages
                 return null;
             }
         }
+
+        /// <summary>
+        /// 从原始字节数据解析二维码（不依赖 Unity API，可在后台线程调用）
+        /// </summary>
+        private string DecodeQRCodeFromBytes(byte[] rgbBytes, int width, int height)
+        {
+            try
+            {
+                var luminanceSource = new ZXing.RGBLuminanceSource(rgbBytes, width, height);
+                string result = TryDecodeWithBinarizer(luminanceSource);
+                if (!string.IsNullOrEmpty(result))
+                    return result;
+
+                return null;
+            }
+            catch (Exception ex)
+            {
+                Debug.LogError($"二维码解析失败: {ex.Message}");
+                return null;
+            }
+        }
         
       
         
diff --git a/ProjectSettings/EditorBuildSettings.asset b/ProjectSettings/EditorBuildSettings.asset
index 38d9967..1758819 100644
--- a/ProjectSettings/EditorBuildSettings.asset
+++ b/ProjectSettings/EditorBuildSettings.asset
@@ -8,9 +8,6 @@ EditorBuildSettings:
   - enabled: 1
     path: Assets/Scenes/MainScene.unity
     guid: c850ee8c3b14cc8459e7e186857cf567
-  - enabled: 0
-    path: Assets/Scenes/BlueToothTest.unity
-    guid: 225b59975b598b74cb6fa7cbd7119dbe
   m_configObjects:
     com.unity.adaptiveperformance.loader_settings: {fileID: 11400000, guid: 0488490a53b3eb2409be4727abdf829a,
       type: 2}