diff --git a/NoCameraSound/NoCameraSound.xcodeproj/project.pbxproj b/NoCameraSound/NoCameraSound.xcodeproj/project.pbxproj
index 0f30daa..1a489af 100644
--- a/NoCameraSound/NoCameraSound.xcodeproj/project.pbxproj
+++ b/NoCameraSound/NoCameraSound.xcodeproj/project.pbxproj
@@ -14,7 +14,6 @@
 		3D16394B295C4ABF006D31D8 /* vm_unaligned_copy_switch_race.c in Sources */ = {isa = PBXBuildFile; fileRef = 3D16394A295C4ABF006D31D8 /* vm_unaligned_copy_switch_race.c */; };
 		3D163953295C7029006D31D8 /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = 3D163955295C7029006D31D8 /* Localizable.strings */; };
 		3D163959295C7810006D31D8 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 3D163958295C7810006D31D8 /* Assets.xcassets */; };
-		3D2342AB295D31BD00A6E40D /* plist in Resources */ = {isa = PBXBuildFile; fileRef = 3D2342AA295D31BD00A6E40D /* plist */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -29,7 +28,6 @@
 		3D16394A295C4ABF006D31D8 /* vm_unaligned_copy_switch_race.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = vm_unaligned_copy_switch_race.c; sourceTree = "<group>"; };
 		3D163954295C7029006D31D8 /* ja */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = ja; path = ja.lproj/Localizable.strings; sourceTree = "<group>"; };
 		3D163958295C7810006D31D8 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
-		3D2342AA295D31BD00A6E40D /* plist */ = {isa = PBXFileReference; lastKnownFileType = folder; path = plist; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -71,7 +69,6 @@
 				3D163917295B520E006D31D8 /* NoCameraSound.swift */,
 				3D163919295B5227006D31D8 /* NoCameraSound-Bridging-Header.h */,
 				3D163958295C7810006D31D8 /* Assets.xcassets */,
-				3D2342AA295D31BD00A6E40D /* plist */,
 				3D16390D295B51DB006D31D8 /* Preview Content */,
 			);
 			path = NoCameraSound;
@@ -146,7 +143,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				3D163953295C7029006D31D8 /* Localizable.strings in Resources */,
-				3D2342AB295D31BD00A6E40D /* plist in Resources */,
 				3D163959295C7810006D31D8 /* Assets.xcassets in Resources */,
 				3D16390F295B51DB006D31D8 /* Preview Assets.xcassets in Resources */,
 			);
@@ -318,7 +314,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 4.8;
+				MARKETING_VERSION = 4.9;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.straight-tamago.NoCameraSound";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -353,7 +349,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 4.8;
+				MARKETING_VERSION = 4.9;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.straight-tamago.NoCameraSound";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
diff --git a/NoCameraSound/NoCameraSound.xcodeproj/project.xcworkspace/xcuserdata/mini.xcuserdatad/UserInterfaceState.xcuserstate b/NoCameraSound/NoCameraSound.xcodeproj/project.xcworkspace/xcuserdata/mini.xcuserdatad/UserInterfaceState.xcuserstate
index b3fc34d..4e7d3b0 100644
Binary files a/NoCameraSound/NoCameraSound.xcodeproj/project.xcworkspace/xcuserdata/mini.xcuserdatad/UserInterfaceState.xcuserstate and b/NoCameraSound/NoCameraSound.xcodeproj/project.xcworkspace/xcuserdata/mini.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/NoCameraSound/NoCameraSound/ContentView.swift b/NoCameraSound/NoCameraSound/ContentView.swift
index ca501c7..455eb70 100644
--- a/NoCameraSound/NoCameraSound/ContentView.swift
+++ b/NoCameraSound/NoCameraSound/ContentView.swift
@@ -10,20 +10,22 @@ import SwiftUI
 struct ContentView: View {
     private let version = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String
     @State private var LogMessage = ""
-    @State private var LogText = ""
+    @State var LogText = ""
     @State private var ViewLog = true
     @State private var SettingsShowing = false
     @State private var ios14Warning = false
+    @State private var Notcompatiblewithios14 = false
     var body: some View {
         VStack {
             if ViewLog {
                 Text("")
                     .frame(width: 300, height: 200)
-                    .padding()
+                    .padding(.top, 10)
                     .disabled(true)
             }
             Text("NoCameraSound").font(.largeTitle).fontWeight(.bold)
             HStack {
+                //---------------------------------------------------------------------------
                 Button("Disable Shutter Sound") {
                     if #available(iOS 15.0, *) {
                         LogText = ""
@@ -45,7 +47,7 @@ struct ContentView: View {
                           secondaryButton: .default(Text("Cancel"))
                     )
                 }
-                
+                //---------------------------------------------------------------------------
                 Button {
                     SettingsShowing = true
                 } label: {
@@ -68,10 +70,15 @@ struct ContentView: View {
                             }
                         },
                         .default(Text("\(NSLocalizedString("Auto run when the app starts (Status: ", comment: ""))"+String(UserDefaults.standard.bool(forKey: "AutoRun"))+")")) {
-                            if UserDefaults.standard.bool(forKey: "AutoRun") == true {
-                                UserDefaults.standard.set(false, forKey: "AutoRun")
-                            }else {
-                                UserDefaults.standard.set(true, forKey: "AutoRun")
+                            if #available(iOS 15.0, *) {
+                                if UserDefaults.standard.bool(forKey: "AutoRun") == true {
+                                    UserDefaults.standard.set(false, forKey: "AutoRun")
+                                }else {
+                                    UserDefaults.standard.set(true, forKey: "AutoRun")
+                                }
+                            }
+                            else {
+                                Notcompatiblewithios14 = true
                             }
                         },
                         .default(Text("\(NSLocalizedString("View Log (Status: ", comment: ""))"+String(UserDefaults.standard.bool(forKey: "ViewLog"))+")")) {
@@ -81,24 +88,37 @@ struct ContentView: View {
                             }else {
                                 UserDefaults.standard.set(true, forKey: "ViewLog")
                                 ViewLog = true
-                                
                             }
                         },
                         .default(Text("\(NSLocalizedString("Camera silent + English notation (JP Only) (Status: ", comment: ""))"+String(UserDefaults.standard.bool(forKey: "Visibility"))+")")) {
-                            if Locale.preferredLanguages.first! == "ja-JP" {
-                                if UserDefaults.standard.bool(forKey: "Visibility") == true {
-                                    UserDefaults.standard.set(false, forKey: "Visibility")
-                                }else {
-                                    UserDefaults.standard.set(true, forKey: "Visibility")
+                            if #available(iOS 15.0, *) {
+                                if Locale.preferredLanguages.first! == "ja-JP" {
+                                    if UserDefaults.standard.bool(forKey: "Visibility") == true {
+                                        UserDefaults.standard.set(false, forKey: "Visibility")
+                                    }else {
+                                        UserDefaults.standard.set(true, forKey: "Visibility")
+                                    }
                                 }
                             }
+                            else {
+                                Notcompatiblewithios14 = true
+                            }
                         },
                         .cancel()
                     ])
                 }
+                .alert(isPresented: $Notcompatiblewithios14) {
+                    Alert(title: Text("Not　compatible　with　ios14"),
+                          primaryButton: .destructive(Text("OK")),
+                          secondaryButton: .default(Text("Cancel"))
+                    )
+                }
+                //---------------------------------------------------------------------------
             }
             if ViewLog {
                 ScrollViewReader { reader in
+                    Text(LogMessage)
+                        .padding(.top, 10)
                     ScrollView {
                         Text(LogText)
                             .frame(maxWidth: .infinity, alignment: .leading)
@@ -112,15 +132,15 @@ struct ContentView: View {
                     }
                     .frame(width: 300, height: 200)
                     .border(Color.black, width: 1)
-                    .padding()
+                    .padding(.top, 10)
                 }
-                Text(LogMessage)
-                    .padding()
+                
             }else {
                 Text(LogMessage)
                     .padding()
             }
         }.onAppear {
+            LogMessage = "v\(version)"
             LogText = "NoCameraSound v\(version) by straight-tamago"+"\n"
             if UserDefaults.standard.bool(forKey: "AutoRun") == true {
                 LogText = ""
@@ -134,8 +154,7 @@ struct ContentView: View {
     }
     
     
-    
-//    ---------------------------------------------------------------------------------------
+    //    ---------------------------------------------------------------------------------------
     func disable_shuttersound() {
         LogText += "NoCameraSound v\(version) by straight-tamago"+"\n"
         LogText += "\nDisabling Shutter Sound..."
@@ -181,7 +200,7 @@ struct ContentView: View {
 }
 
 struct ContentView_Previews: PreviewProvider {
-  static var previews: some View {
-    ContentView()
-  }
+    static var previews: some View {
+        ContentView()
+    }
 }
diff --git a/NoCameraSound/NoCameraSound/NoCameraSound.swift b/NoCameraSound/NoCameraSound/NoCameraSound.swift
index e31f8da..5bcb74a 100644
--- a/NoCameraSound/NoCameraSound/NoCameraSound.swift
+++ b/NoCameraSound/NoCameraSound/NoCameraSound.swift
@@ -8,49 +8,45 @@
 import UIKit
 
 func overwriteAsync(TargetFilePath: String, completion: @escaping (String) -> Void) {
-  DispatchQueue.global(qos: .userInteractive).async {
-    let succeeded = overwrite(TargetFilePath: TargetFilePath)
-    DispatchQueue.main.async {
-      let base = "0123456789"
-      let randomStr = String((0..<2).map{ _ in base.randomElement()! })
-      completion(succeeded ? "Success - "+randomStr : "Error")
+    DispatchQueue.global(qos: .userInteractive).async {
+        let succeeded = overwrite(TargetFilePath: TargetFilePath)
+        DispatchQueue.main.async {
+            let base = "0123456789"
+            let randomStr = String((0..<2).map{ _ in base.randomElement()! })
+            completion(succeeded ? "Success - "+randomStr : "Error")
+        }
     }
-  }
 }
 
 func overwrite(TargetFilePath: String) -> Bool {
-//    let OverwriteFileData = "xxx".data(using: .utf8)!
-    guard let OverwriteFileURL = Bundle.main.url(forResource: "Info.plist", withExtension: nil, subdirectory: "plist")  else {
-        fatalError("ファイルが見つからない")
-    }
-    let OverwriteFileData = try! Data(contentsOf: OverwriteFileURL)
+    let OverwriteFileData = "xxx".data(using: .utf8)!
     let fd = open(TargetFilePath, O_RDONLY | O_CLOEXEC)
     defer { close(fd) }
     let Map = mmap(nil, OverwriteFileData.count, PROT_READ, MAP_SHARED, fd, 0)
     if Map == MAP_FAILED {
         return false
     }
-  guard mlock(Map, OverwriteFileData.count) == 0 else {
-    return false
-  }
-  for chunkOff in stride(from: 0, to: OverwriteFileData.count, by: 0x4000) {
-    let dataChunk = OverwriteFileData[chunkOff..<min(OverwriteFileData.count, chunkOff + 0x3fff)]
-    var overwroteOne = false
-    for _ in 0..<2 {
-      let overwriteSucceeded = dataChunk.withUnsafeBytes { dataChunkBytes in
-        return unaligned_copy_switch_race(
-          fd, Int64(chunkOff), dataChunkBytes.baseAddress, dataChunkBytes.count)
-      }
-      if overwriteSucceeded {
-        overwroteOne = true
-        break
-      }
-      sleep(1)
+    guard mlock(Map, OverwriteFileData.count) == 0 else {
+        return false
     }
-    guard overwroteOne else {
-      return false
+    for chunkOff in stride(from: 0, to: OverwriteFileData.count, by: 0x4000) {
+        let dataChunk = OverwriteFileData[chunkOff..<min(OverwriteFileData.count, chunkOff + 0x3fff)]
+        var overwroteOne = false
+        for _ in 0..<2 {
+            let overwriteSucceeded = dataChunk.withUnsafeBytes { dataChunkBytes in
+                return unaligned_copy_switch_race(
+                    fd, Int64(chunkOff), dataChunkBytes.baseAddress, dataChunkBytes.count)
+            }
+            if overwriteSucceeded {
+                overwroteOne = true
+                break
+            }
+            sleep(1)
+        }
+        guard overwroteOne else {
+            return false
+        }
     }
-  }
-  print("Success")
-  return true
+    print("Success")
+    return true
 }
diff --git a/NoCameraSound/NoCameraSound/ja.lproj/Localizable.strings b/NoCameraSound/NoCameraSound/ja.lproj/Localizable.strings
index 05eaa0d..acd54ca 100644
--- a/NoCameraSound/NoCameraSound/ja.lproj/Localizable.strings
+++ b/NoCameraSound/NoCameraSound/ja.lproj/Localizable.strings
@@ -10,3 +10,4 @@
 "Auto run when the app starts (Status: " = "アプリ起動時に無音化自動実行 (状態: ";
 "Camera silent + English notation (JP Only) (Status: " = "書き換えに成功したからカメラを英語表記にする (状態: ";
 "View Log (Status: " = "ログを表示 (状態: ";
+"Not　compatible　with　ios14" = "この機能はiOS14非対応";
diff --git a/NoCameraSound/NoCameraSound/plist/Info.plist b/NoCameraSound/NoCameraSound/plist/Info.plist
deleted file mode 100644
index 33e75c6..0000000
Binary files a/NoCameraSound/NoCameraSound/plist/Info.plist and /dev/null differ