diff --git a/EFQRCode.podspec b/EFQRCode.podspec
index b726ddc3..29d6fef9 100644
--- a/EFQRCode.podspec
+++ b/EFQRCode.podspec
@@ -15,29 +15,29 @@ Pod::Spec.new do |s|
 	s.social_media_url = 'https://twitter.com/EyreFree777'
 
 	s.ios.deployment_target = '9.0'
-	s.osx.deployment_target = '10.11'
+	s.osx.deployment_target = '10.10'
 	s.tvos.deployment_target = '9.0'
 
 	s.swift_version = '5.0'
 	s.requires_arc = true
 	s.frameworks = 'ImageIO', 'CoreGraphics', 'Foundation'
-    s.ios.framework = 'CoreImage'
-    s.osx.framework = 'CoreImage'
-    s.tvos.framework = 'CoreImage'
+	s.ios.framework = 'CoreImage'
+	s.osx.framework = 'CoreImage'
+	s.tvos.framework = 'CoreImage'
 
 	s.default_subspec = 'Core'
 
 	s.subspec 'Core' do |core|
 		core.source_files = 'Source/**/*.{h,swift}'
-  	end
+	end
 
-  	s.subspec 'watchOS' do |watchos|
-  		watchos.ios.deployment_target = '9.0'
-		watchos.osx.deployment_target = '10.11'
+	s.subspec 'watchOS' do |watchos|
+		watchos.ios.deployment_target = '9.0'
+		watchos.osx.deployment_target = '10.10'
 		watchos.tvos.deployment_target = '9.0'
-  		watchos.watchos.deployment_target = '2.0'
-  		
-  		watchos.source_files = 'Source/**/*.{h,swift}'
-  		watchos.dependency 'swift_qrcodejs', '~> 1.2.0'
-  	end
+		watchos.watchos.deployment_target = '2.0'
+
+		watchos.source_files = 'Source/**/*.{h,swift}'
+		watchos.dependency 'swift_qrcodejs', '~> 1.2.0'
+	end
 end
diff --git a/EFQRCode.xcodeproj/project.pbxproj b/EFQRCode.xcodeproj/project.pbxproj
index eba1f6ef..77daedb6 100755
--- a/EFQRCode.xcodeproj/project.pbxproj
+++ b/EFQRCode.xcodeproj/project.pbxproj
@@ -597,7 +597,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0700;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1210;
 				ORGANIZATIONNAME = EyreFree;
 				TargetAttributes = {
 					4CF626EE1BA7CB3E0011A099 = {
@@ -1169,6 +1169,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -1196,7 +1197,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -1234,6 +1235,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -1254,7 +1256,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
diff --git a/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode iOS.xcscheme b/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode iOS.xcscheme
index 9388f045..6e9fa5f9 100644
--- a/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode iOS.xcscheme	
+++ b/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode iOS.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1210"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -40,8 +40,17 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "F8111E3219A95C8B0040E7D1"
+            BuildableName = "EFQRCode.framework"
+            BlueprintName = "EFQRCode iOS"
+            ReferencedContainer = "container:EFQRCode.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -54,17 +63,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "F8111E3219A95C8B0040E7D1"
-            BuildableName = "EFQRCode.framework"
-            BlueprintName = "EFQRCode iOS"
-            ReferencedContainer = "container:EFQRCode.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -92,8 +90,6 @@
             isEnabled = "YES">
          </EnvironmentVariable>
       </EnvironmentVariables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode macOS.xcscheme b/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode macOS.xcscheme
index 840683ad..e2e6c6b1 100644
--- a/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode macOS.xcscheme	
+++ b/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode macOS.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1210"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode tvOS.xcscheme b/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode tvOS.xcscheme
index 40abeba3..34e839eb 100644
--- a/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode tvOS.xcscheme	
+++ b/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode tvOS.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1210"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -40,8 +40,17 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "4CF626EE1BA7CB3E0011A099"
+            BuildableName = "EFQRCode.framework"
+            BlueprintName = "EFQRCode tvOS"
+            ReferencedContainer = "container:EFQRCode.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -54,17 +63,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "4CF626EE1BA7CB3E0011A099"
-            BuildableName = "EFQRCode.framework"
-            BlueprintName = "EFQRCode tvOS"
-            ReferencedContainer = "container:EFQRCode.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -92,8 +90,6 @@
             isEnabled = "YES">
          </EnvironmentVariable>
       </EnvironmentVariables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode watchOS.xcscheme b/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode watchOS.xcscheme
index 1133babf..ff3befd6 100644
--- a/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode watchOS.xcscheme	
+++ b/EFQRCode.xcodeproj/xcshareddata/xcschemes/EFQRCode watchOS.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1210"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -29,8 +29,6 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -51,8 +49,6 @@
             ReferencedContainer = "container:EFQRCode.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/Examples/iOS/GeneratorController.swift b/Examples/iOS/GeneratorController.swift
index 786569ba..d10495a0 100644
--- a/Examples/iOS/GeneratorController.swift
+++ b/Examples/iOS/GeneratorController.swift
@@ -1280,7 +1280,7 @@ enum CustomPhotoAlbum {
 
     static func save(image: EFImage, finish: @escaping ((_ error: String?) -> Void)) {
         switch PHPhotoLibrary.authorizationStatus() {
-        case .authorized:
+        case .authorized, .limited:
             if let assetCollection = fetchAssetCollectionForAlbum() {
                 save(image: image, to: assetCollection, finish: finish)
             } else {
@@ -1315,12 +1315,16 @@ enum CustomPhotoAlbum {
             let assetChangeRequest: PHAssetChangeRequest?
             switch image {
             case .gif(let data):
-                guard let documentsDirectoryURL: URL? = try? FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true),
-                    let fileURL: URL = documentsDirectoryURL?.appendingPathComponent("EFQRCode_temp.gif") else {
-                        finish(NSLocalizedString("Can't create a temporary gif file for export", comment: "FileURL is nil"))
+                guard let documentsDirectoryURL = try? FileManager.default
+                        .url(for: .documentDirectory, in: .userDomainMask,
+                             appropriateFor: nil, create: true)
+                else {
+                        finish(NSLocalizedString("Can't create a temporary gif file for export",
+                                                 comment: "FileURL is nil"))
                         errored = true
                         return
                 }
+                let fileURL = documentsDirectoryURL.appendingPathComponent("EFQRCode_temp.gif")
                 try? data.write(to: fileURL)
                 assetChangeRequest = .creationRequestForAssetFromImage(atFileURL: fileURL)
             case .normal(let image):
diff --git a/Examples/iOS/ViewController.swift b/Examples/iOS/ViewController.swift
index 0166e6e0..2a5e8f3b 100644
--- a/Examples/iOS/ViewController.swift
+++ b/Examples/iOS/ViewController.swift
@@ -105,10 +105,14 @@ class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSour
             make.width.equalTo(view)
         }
     }
-
+    
     @objc func openBlog() {
         if let tryUrl = URL(string: "https://github.com/EFPrefix/EFQRCode") {
-            UIApplication.shared.open(tryUrl)
+            if #available(iOS 10.0, tvOS 10.0, *) {
+                UIApplication.shared.open(tryUrl)
+            } else {
+                UIApplication.shared.openURL(tryUrl)
+            }
         }
     }
 
diff --git a/Examples/iOS/iOS Example.xcodeproj/project.pbxproj b/Examples/iOS/iOS Example.xcodeproj/project.pbxproj
index 91af1365..9d198eb2 100755
--- a/Examples/iOS/iOS Example.xcodeproj/project.pbxproj	
+++ b/Examples/iOS/iOS Example.xcodeproj/project.pbxproj	
@@ -7,7 +7,6 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
-		120AAA942193323E00F0783B /* swift_qrcodejs.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 120AAA932193323E00F0783B /* swift_qrcodejs.framework */; };
 		120B77FF1EA395EC00D34440 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 120B77FD1EA395EC00D34440 /* Main.storyboard */; };
 		120B78011EA3960D00D34440 /* LaunchScreen.xib in Resources */ = {isa = PBXBuildFile; fileRef = 120B78001EA3960D00D34440 /* LaunchScreen.xib */; };
 		120B78031EA3968700D34440 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 120B78021EA3968700D34440 /* ViewController.swift */; };
@@ -376,6 +375,11 @@
 		528EFA7322965AC80026663C /* Localized.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Localized.swift; sourceTree = "<group>"; };
 		52B3BFB6229625760035D5EC /* zh-Hans */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = "zh-Hans"; path = "Resources/zh-Hans.lproj/Main.strings"; sourceTree = "<group>"; };
 		52B3BFB7229625760035D5EC /* zh-Hans */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = "zh-Hans"; path = "zh-Hans.lproj/Interface.strings"; sourceTree = "<group>"; };
+		D21D361C2552A465006E45E8 /* swift_qrcodejs.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = swift_qrcodejs.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		D21D361D2552A465006E45E8 /* swift_qrcodejs.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = swift_qrcodejs.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		D21D36232552A48A006E45E8 /* swift_qrcodejs.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = swift_qrcodejs.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		D21D36252552A495006E45E8 /* swift_qrcodejs.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = swift_qrcodejs.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		D21D36272552A4B8006E45E8 /* swift_qrcodejs.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = swift_qrcodejs.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		D27FDFA4235AB5DB0033ACFF /* EFFoundation.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = EFFoundation.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		F8111E0519A951050040E7D1 /* EFQRCode.iOS.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = EFQRCode.iOS.app; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */
@@ -385,7 +389,6 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				120AAA942193323E00F0783B /* swift_qrcodejs.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -411,6 +414,11 @@
 		120AAA922193323E00F0783B /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				D21D36272552A4B8006E45E8 /* swift_qrcodejs.framework */,
+				D21D36252552A495006E45E8 /* swift_qrcodejs.framework */,
+				D21D36232552A48A006E45E8 /* swift_qrcodejs.framework */,
+				D21D361C2552A465006E45E8 /* swift_qrcodejs.framework */,
+				D21D361D2552A465006E45E8 /* swift_qrcodejs.framework */,
 				D27FDFA4235AB5DB0033ACFF /* EFFoundation.framework */,
 				120AAA932193323E00F0783B /* swift_qrcodejs.framework */,
 			);
@@ -759,7 +767,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0920;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1210;
 				ORGANIZATIONNAME = EyreFree;
 				TargetAttributes = {
 					5282BCE21FF3AD9000DFB36B = {
@@ -1074,6 +1082,7 @@
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				IBSC_MODULE = watchOS_Example_Extension;
 				INFOPLIST_FILE = "watchOS Example/Info.plist";
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = AppStore.EFQRCode.watchkitapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = watchos;
@@ -1101,6 +1110,7 @@
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				IBSC_MODULE = watchOS_Example_Extension;
 				INFOPLIST_FILE = "watchOS Example/Info.plist";
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = AppStore.EFQRCode.watchkitapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = watchos;
@@ -1185,6 +1195,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -1210,7 +1221,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.11;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -1218,7 +1229,7 @@
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
-				TVOS_DEPLOYMENT_TARGET = 9.0;
+				TVOS_DEPLOYMENT_TARGET = 12.0;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
 			name = Debug;
@@ -1246,6 +1257,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -1264,13 +1276,13 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.11;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
-				TVOS_DEPLOYMENT_TARGET = 9.0;
+				TVOS_DEPLOYMENT_TARGET = 12.0;
 				VALIDATE_PRODUCT = YES;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
@@ -1283,7 +1295,7 @@
 				CLANG_ENABLE_MODULES = YES;
 				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = Resources/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = AppStore.EFQRCode;
 				PRODUCT_NAME = EFQRCode.iOS;
@@ -1300,7 +1312,7 @@
 				CLANG_ENABLE_MODULES = YES;
 				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = Resources/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = AppStore.EFQRCode;
 				PRODUCT_NAME = EFQRCode.iOS;
diff --git a/Examples/iOS/iOS Example.xcodeproj/xcshareddata/xcschemes/iOS Example.xcscheme b/Examples/iOS/iOS Example.xcodeproj/xcshareddata/xcschemes/iOS Example.xcscheme
index 4bba75f0..b18c7a72 100755
--- a/Examples/iOS/iOS Example.xcodeproj/xcshareddata/xcschemes/iOS Example.xcscheme	
+++ b/Examples/iOS/iOS Example.xcodeproj/xcshareddata/xcschemes/iOS Example.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1210"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -27,8 +27,6 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-      </Testables>
       <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
@@ -38,8 +36,8 @@
             ReferencedContainer = "container:iOS Example.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
+      <Testables>
+      </Testables>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Release"
@@ -68,8 +66,6 @@
             isEnabled = "YES">
          </EnvironmentVariable>
       </EnvironmentVariables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/Examples/iOS/iOS Example.xcodeproj/xcshareddata/xcschemes/watchOS Example.xcscheme b/Examples/iOS/iOS Example.xcodeproj/xcshareddata/xcschemes/watchOS Example.xcscheme
index 1193ad3e..0508b11f 100644
--- a/Examples/iOS/iOS Example.xcodeproj/xcshareddata/xcschemes/watchOS Example.xcscheme	
+++ b/Examples/iOS/iOS Example.xcodeproj/xcshareddata/xcschemes/watchOS Example.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1210"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -41,8 +41,6 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-      </Testables>
       <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
@@ -52,8 +50,8 @@
             ReferencedContainer = "container:iOS Example.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
+      <Testables>
+      </Testables>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -77,17 +75,6 @@
             ReferencedContainer = "container:iOS Example.xcodeproj">
          </BuildableReference>
       </RemoteRunnable>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "5282BCE21FF3AD9000DFB36B"
-            BuildableName = "watchOS Example.app"
-            BlueprintName = "watchOS Example"
-            ReferencedContainer = "container:iOS Example.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/Examples/macOS/macOS Example.xcodeproj/project.pbxproj b/Examples/macOS/macOS Example.xcodeproj/project.pbxproj
index a42529d7..2df976e0 100644
--- a/Examples/macOS/macOS Example.xcodeproj/project.pbxproj	
+++ b/Examples/macOS/macOS Example.xcodeproj/project.pbxproj	
@@ -502,7 +502,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0830;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1210;
 				ORGANIZATIONNAME = EyreFree;
 				TargetAttributes = {
 					12F371921EA8DE3A0049DE67 = {
@@ -747,6 +747,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -771,7 +772,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.12;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -807,6 +808,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -825,7 +827,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.12;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -841,9 +843,10 @@
 				CODE_SIGN_IDENTITY = "Mac Developer";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = P3X2725LYY;
+				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = "macOS Example/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.12;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = MacAppStore.EFQRCode;
 				PRODUCT_MODULE_NAME = EFQRCode_Module;
 				PRODUCT_NAME = EFQRCode;
@@ -860,9 +863,10 @@
 				CODE_SIGN_IDENTITY = "Mac Developer";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = P3X2725LYY;
+				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = "macOS Example/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.12;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = MacAppStore.EFQRCode;
 				PRODUCT_MODULE_NAME = EFQRCode_Module;
 				PRODUCT_NAME = EFQRCode;
diff --git a/Examples/macOS/macOS Example.xcodeproj/xcshareddata/xcschemes/macOS Example.xcscheme b/Examples/macOS/macOS Example.xcodeproj/xcshareddata/xcschemes/macOS Example.xcscheme
index 5782afbe..cc88fbff 100644
--- a/Examples/macOS/macOS Example.xcodeproj/xcshareddata/xcschemes/macOS Example.xcscheme	
+++ b/Examples/macOS/macOS Example.xcodeproj/xcshareddata/xcschemes/macOS Example.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1210"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -27,8 +27,6 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-      </Testables>
       <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
@@ -38,8 +36,8 @@
             ReferencedContainer = "container:macOS Example.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
+      <Testables>
+      </Testables>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -61,8 +59,6 @@
             ReferencedContainer = "container:macOS Example.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/Examples/tvOS/tvOS Example.xcodeproj/project.pbxproj b/Examples/tvOS/tvOS Example.xcodeproj/project.pbxproj
index dd2944c2..38616317 100644
--- a/Examples/tvOS/tvOS Example.xcodeproj/project.pbxproj	
+++ b/Examples/tvOS/tvOS Example.xcodeproj/project.pbxproj	
@@ -483,7 +483,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0830;
-				LastUpgradeCheck = 1020;
+				LastUpgradeCheck = 1210;
 				ORGANIZATIONNAME = EyreFree;
 				TargetAttributes = {
 					1215B6EE1EAC956F00DC5A86 = {
@@ -719,6 +719,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -749,7 +750,7 @@
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = 3;
-				TVOS_DEPLOYMENT_TARGET = 10.2;
+				TVOS_DEPLOYMENT_TARGET = 12.0;
 			};
 			name = Debug;
 		};
@@ -779,6 +780,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -801,7 +803,7 @@
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = 3;
-				TVOS_DEPLOYMENT_TARGET = 10.2;
+				TVOS_DEPLOYMENT_TARGET = 12.0;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -817,7 +819,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = AppStore.EFQRCode;
 				PRODUCT_NAME = EFQRCode.tvOS;
 				SWIFT_VERSION = 5.0;
-				TVOS_DEPLOYMENT_TARGET = 10.0;
+				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
 			name = Debug;
 		};
@@ -832,7 +834,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = AppStore.EFQRCode;
 				PRODUCT_NAME = EFQRCode.tvOS;
 				SWIFT_VERSION = 5.0;
-				TVOS_DEPLOYMENT_TARGET = 10.0;
+				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
 			name = Release;
 		};
diff --git a/Examples/tvOS/tvOS Example.xcodeproj/xcshareddata/xcschemes/tvOS Example.xcscheme b/Examples/tvOS/tvOS Example.xcodeproj/xcshareddata/xcschemes/tvOS Example.xcscheme
index daac88d9..18b1c8bf 100644
--- a/Examples/tvOS/tvOS Example.xcodeproj/xcshareddata/xcschemes/tvOS Example.xcscheme	
+++ b/Examples/tvOS/tvOS Example.xcodeproj/xcshareddata/xcschemes/tvOS Example.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1210"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -27,8 +27,6 @@
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-      </Testables>
       <MacroExpansion>
          <BuildableReference
             BuildableIdentifier = "primary"
@@ -38,8 +36,8 @@
             ReferencedContainer = "container:tvOS Example.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
+      <Testables>
+      </Testables>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -61,8 +59,6 @@
             ReferencedContainer = "container:tvOS Example.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/README.md b/README.md
index 7fd75633..d7deb74c 100644
--- a/README.md
+++ b/README.md
@@ -94,6 +94,7 @@ git clone git@github.com:EFPrefix/EFQRCode.git; cd EFQRCode; sh Startup.sh; open
 | 1.x     | Xcode 8.0+<br>Swift 3.0+<br>iOS 8.0+ / macOS 10.11+ / tvOS 9.0+                |
 | 4.x     | Xcode 9.0+<br>Swift 4.0+<br>iOS 8.0+ / macOS 10.11+ / tvOS 9.0+ / watchOS 2.0+ |
 | 5.x     | Xcode 11.1+<br>Swift 5.0+<br>iOS 8.0+ / macOS 10.11+ / tvOS 9.0+ / watchOS 2.0+|
+| 6.x     | Xcode 12.0+<br>Swift 5.0+<br>iOS 9.0+ / macOS 10.10+ / tvOS 9.0+ / watchOS 2.0+|
 
 ## Installation
 
diff --git a/README_CN.md b/README_CN.md
index 83769d99..c3b0d18c 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -99,6 +99,7 @@ git clone git@github.com:EFPrefix/EFQRCode.git; cd EFQRCode; sh Startup.sh; open
 | 1.x     | Xcode 8.0+<br>Swift 3.0+<br>iOS 8.0+ / macOS 10.11+ / tvOS 9.0+                |
 | 4.x     | Xcode 9.0+<br>Swift 4.0+<br>iOS 8.0+ / macOS 10.11+ / tvOS 9.0+ / watchOS 2.0+ |
 | 5.x     | Xcode 11.1+<br>Swift 5.0+<br>iOS 8.0+ / macOS 10.11+ / tvOS 9.0+ / watchOS 2.0+|
+| 6.x     | Xcode 12.0+<br>Swift 5.0+<br>iOS 9.0+ / macOS 10.10+ / tvOS 9.0+ / watchOS 2.0+|
 
 ## 安装