diff --git a/Example/SDWebImagePDFCoder.xcodeproj/project.pbxproj b/Example/SDWebImagePDFCoder.xcodeproj/project.pbxproj
index feaaf48..476edc3 100644
--- a/Example/SDWebImagePDFCoder.xcodeproj/project.pbxproj
+++ b/Example/SDWebImagePDFCoder.xcodeproj/project.pbxproj
@@ -47,6 +47,7 @@
 		1745C32CD7A3DC952B084514 /* Pods-SDWebImagePDFCoder_Tests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SDWebImagePDFCoder_Tests.release.xcconfig"; path = "Pods/Target Support Files/Pods-SDWebImagePDFCoder_Tests/Pods-SDWebImagePDFCoder_Tests.release.xcconfig"; sourceTree = "<group>"; };
 		23D236E5C8333D1EF1AF6ED1 /* Pods-SDWebImagePDFCoder_Example.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SDWebImagePDFCoder_Example.release.xcconfig"; path = "Pods/Target Support Files/Pods-SDWebImagePDFCoder_Example/Pods-SDWebImagePDFCoder_Example.release.xcconfig"; sourceTree = "<group>"; };
 		243AAAFCC482EEC1752548DA /* LICENSE */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text; name = LICENSE; path = ../LICENSE; sourceTree = "<group>"; };
+		32350C422393CE8900151591 /* SDWebImagePDFCoder_Example.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = SDWebImagePDFCoder_Example.entitlements; sourceTree = "<group>"; };
 		32D8F2F62185F1C300FFC14A /* SDWebImagePDFCoder_Example macOS.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "SDWebImagePDFCoder_Example macOS.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		32D8F2F82185F1C300FFC14A /* AppDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
 		32D8F2F92185F1C300FFC14A /* AppDelegate.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
@@ -141,6 +142,7 @@
 		6003F581195388D10070C39A = {
 			isa = PBXGroup;
 			children = (
+				32350C422393CE8900151591 /* SDWebImagePDFCoder_Example.entitlements */,
 				60FF7A9C1954A5C5007DD14C /* Podspec Metadata */,
 				6003F593195388D20070C39A /* Example for SDWebImagePDFCoder */,
 				6003F5B5195388D20070C39A /* Tests */,
@@ -661,7 +663,7 @@
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CODE_SIGN_IDENTITY = "";
 				COPY_PHASE_STRIP = NO;
 				ENABLE_TESTABILITY = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -701,7 +703,7 @@
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CODE_SIGN_IDENTITY = "";
 				COPY_PHASE_STRIP = YES;
 				ENABLE_NS_ASSERTIONS = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -723,12 +725,15 @@
 			baseConfigurationReference = B804462885514B9A9BD2089E /* Pods-SDWebImagePDFCoder_Example.debug.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_ENTITLEMENTS = SDWebImagePDFCoder_Example.entitlements;
+				DERIVE_MACCATALYST_PRODUCT_BUNDLE_IDENTIFIER = YES;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "SDWebImagePDFCoder/SDWebImagePDFCoder-Prefix.pch";
 				INFOPLIST_FILE = "SDWebImagePDFCoder/SDWebImagePDFCoder-Info.plist";
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTS_MACCATALYST = YES;
 				WRAPPER_EXTENSION = app;
 			};
 			name = Debug;
@@ -738,12 +743,15 @@
 			baseConfigurationReference = 23D236E5C8333D1EF1AF6ED1 /* Pods-SDWebImagePDFCoder_Example.release.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_ENTITLEMENTS = SDWebImagePDFCoder_Example.entitlements;
+				DERIVE_MACCATALYST_PRODUCT_BUNDLE_IDENTIFIER = YES;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "SDWebImagePDFCoder/SDWebImagePDFCoder-Prefix.pch";
 				INFOPLIST_FILE = "SDWebImagePDFCoder/SDWebImagePDFCoder-Info.plist";
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTS_MACCATALYST = YES;
 				WRAPPER_EXTENSION = app;
 			};
 			name = Release;
diff --git a/Example/SDWebImagePDFCoder/SDViewController.m b/Example/SDWebImagePDFCoder/SDViewController.m
index 293b7ac..1a2887c 100644
--- a/Example/SDWebImagePDFCoder/SDViewController.m
+++ b/Example/SDWebImagePDFCoder/SDViewController.m
@@ -26,10 +26,10 @@ - (void)viewDidLoad
     NSURL *pdfURL = [NSURL URLWithString:@"https://raw.githubusercontent.com/icons8/flat-color-icons/master/pdf/about.pdf"];
     NSURL *pdfURL2 = [NSURL URLWithString:@"https://raw.githubusercontent.com/icons8/flat-color-icons/master/pdf/webcam.pdf"];
     
-    CGSize screenSize = [UIScreen mainScreen].bounds.size;
+    CGSize screenSize = self.view.bounds.size;
     
     UIImageView *imageView1 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, screenSize.width, screenSize.height / 2)];
-    imageView1.contentMode = UIViewContentModeScaleAspectFill;
+    imageView1.contentMode = UIViewContentModeScaleAspectFit;
     imageView1.clipsToBounds = YES;
     
     UIImageView *imageView2 = [[UIImageView alloc] initWithFrame:CGRectMake(0, screenSize.height / 2, screenSize.width, screenSize.height / 2)];
diff --git a/Example/SDWebImagePDFCoder_Example.entitlements b/Example/SDWebImagePDFCoder_Example.entitlements
new file mode 100644
index 0000000..ee95ab7
--- /dev/null
+++ b/Example/SDWebImagePDFCoder_Example.entitlements
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+</dict>
+</plist>
diff --git a/SDWebImagePDFCoder.podspec b/SDWebImagePDFCoder.podspec
index 9493b47..d0b060a 100644
--- a/SDWebImagePDFCoder.podspec
+++ b/SDWebImagePDFCoder.podspec
@@ -33,6 +33,11 @@ SDWebImageSVGCoder is a SVG coder plugin for SDWebImage framework, which provide
 
   s.source_files = 'SDWebImagePDFCoder/Classes/**/*', 'SDWebImagePDFCoder/Module/SDWebImagePDFCoder.h'
   s.module_map = 'SDWebImagePDFCoder/Module/SDWebImagePDFCoder.modulemap'
+
+  s.pod_target_xcconfig = {
+    'SUPPORTS_MACCATALYST' => 'YES',
+    'DERIVE_MACCATALYST_PRODUCT_BUNDLE_IDENTIFIER' => 'NO'
+  }
   
   s.dependency 'SDWebImage', '~> 5.0'
 end