diff --git a/Source/LBXScanViewController.swift b/Source/LBXScanViewController.swift
index e0375de..75b5c79 100755
--- a/Source/LBXScanViewController.swift
+++ b/Source/LBXScanViewController.swift
@@ -72,6 +72,9 @@ open class LBXScanViewController: UIViewController {
     }
 
     @objc open func startScan() {
+        
+        if UIDevice.current.isSimulator { return }
+        
         if scanObj == nil {
             var cropRect = CGRect.zero
             if isOpenInterestRect {
diff --git a/Source/UIDevice+Extensions.swift b/Source/UIDevice+Extensions.swift
new file mode 100644
index 0000000..5118aba
--- /dev/null
+++ b/Source/UIDevice+Extensions.swift
@@ -0,0 +1,19 @@
+//
+//  UIDevice+Extensions.swift
+//  swiftScan
+//
+//  Created by Bertug Yilmaz (Dogus Teknoloji) on 5/20/21.
+//  Copyright © 2021 xialibing. All rights reserved.
+//
+
+import UIKit
+
+extension UIDevice {
+    var isSimulator: Bool {
+        #if targetEnvironment(simulator)
+            return true
+        #else
+            return false
+        #endif
+    }
+}
diff --git a/swiftScan.xcodeproj/project.pbxproj b/swiftScan.xcodeproj/project.pbxproj
index e1e6e4f..d6647f5 100755
--- a/swiftScan.xcodeproj/project.pbxproj
+++ b/swiftScan.xcodeproj/project.pbxproj
@@ -27,6 +27,7 @@
 		7D42B9B71C05EE9A0084D045 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 7D42B9B61C05EE9A0084D045 /* Assets.xcassets */; };
 		7D42B9BA1C05EE9A0084D045 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 7D42B9B81C05EE9A0084D045 /* LaunchScreen.storyboard */; };
 		7DA82E091C19CE5E0028B5DB /* logo.JPG in Resources */ = {isa = PBXBuildFile; fileRef = 7DA82E081C19CE5E0028B5DB /* logo.JPG */; };
+		CE3CAD792656BE61007EFD9D /* UIDevice+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = CE3CAD782656BE61007EFD9D /* UIDevice+Extensions.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -67,6 +68,7 @@
 		7D46320C1C18683A00D70CF1 /* zh-Hans */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = "zh-Hans"; path = "zh-Hans.lproj/Main.strings"; sourceTree = "<group>"; };
 		7D46320D1C18683A00D70CF1 /* zh-Hans */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = "zh-Hans"; path = "zh-Hans.lproj/LaunchScreen.strings"; sourceTree = "<group>"; };
 		7DA82E081C19CE5E0028B5DB /* logo.JPG */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = logo.JPG; sourceTree = "<group>"; };
+		CE3CAD782656BE61007EFD9D /* UIDevice+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIDevice+Extensions.swift"; sourceTree = "<group>"; };
 		D6DC96F61F6D0C0200E1CCEB /* SwiftScanner.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SwiftScanner.h; sourceTree = "<group>"; };
 		D6DC96F71F6D0C0200E1CCEB /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -85,6 +87,7 @@
 		488928DC1C1A7BE4005A8F83 /* Source */ = {
 			isa = PBXGroup;
 			children = (
+				CE3CAE9B2656C2E7007EFD9D /* Extensions */,
 				48D3BBD01C70104100823F87 /* LBXPermissions.swift */,
 				488928DD1C1A7BE4005A8F83 /* LBXScanLineAnimation.swift */,
 				488928DE1C1A7BE4005A8F83 /* LBXScanNetAnimation.swift */,
@@ -135,6 +138,14 @@
 			path = swiftScan;
 			sourceTree = "<group>";
 		};
+		CE3CAE9B2656C2E7007EFD9D /* Extensions */ = {
+			isa = PBXGroup;
+			children = (
+				CE3CAD782656BE61007EFD9D /* UIDevice+Extensions.swift */,
+			);
+			name = Extensions;
+			sourceTree = "<group>";
+		};
 		D6DC96F51F6D0C0200E1CCEB /* SwiftScanner */ = {
 			isa = PBXGroup;
 			children = (
@@ -237,6 +248,7 @@
 				73FF0B8F1CF545FE0083F169 /* ScanResultController.swift in Sources */,
 				488928E31C1A7BE4005A8F83 /* LBXScanLineAnimation.swift in Sources */,
 				48D3BBD11C70104100823F87 /* LBXPermissions.swift in Sources */,
+				CE3CAD792656BE61007EFD9D /* UIDevice+Extensions.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};