diff --git a/FSPageViewExample-Swift/FSPagerViewExample.xcodeproj/project.pbxproj b/FSPageViewExample-Swift/FSPagerViewExample.xcodeproj/project.pbxproj
index 5304e2b..9d593f9 100644
--- a/FSPageViewExample-Swift/FSPagerViewExample.xcodeproj/project.pbxproj
+++ b/FSPageViewExample-Swift/FSPagerViewExample.xcodeproj/project.pbxproj
@@ -393,7 +393,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -447,7 +447,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -463,11 +463,13 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				DEVELOPMENT_TEAM = HZF422TY46;
 				INFOPLIST_FILE = "$(SRCROOT)/FSPagerViewExample/Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wenchaod.FSPagerViewExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
 				SWIFT_VERSION = 5.0;
+				WATCHOS_DEPLOYMENT_TARGET = 7.0;
 			};
 			name = Debug;
 		};
@@ -477,11 +479,13 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				DEVELOPMENT_TEAM = HZF422TY46;
 				INFOPLIST_FILE = "$(SRCROOT)/FSPagerViewExample/Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wenchaod.FSPagerViewExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
 				SWIFT_VERSION = 5.0;
+				WATCHOS_DEPLOYMENT_TARGET = 7.0;
 			};
 			name = Release;
 		};
@@ -490,7 +494,7 @@
 			buildSettings = {
 				DEVELOPMENT_TEAM = HZF422TY46;
 				INFOPLIST_FILE = FSPagerViewExampleUITests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wenchaod.FSPagerViewExampleUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -505,7 +509,7 @@
 			buildSettings = {
 				DEVELOPMENT_TEAM = HZF422TY46;
 				INFOPLIST_FILE = FSPagerViewExampleUITests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wenchaod.FSPagerViewExampleUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
diff --git a/FSPagerView.podspec b/FSPagerView.podspec
index a39b4e4..247cb13 100644
--- a/FSPagerView.podspec
+++ b/FSPagerView.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name             = "FSPagerView"
-  s.version          = "0.8.3"
+  s.version          = "0.9.0"
   s.summary          = "FSPagerView is an elegant Screen Slide Library for making Banner、Product Show、Welcome/Guide Pages、Screen/ViewController Sliders."
   
   s.homepage         = "https://github.com/WenchaoD/FSPagerView"
@@ -11,7 +11,7 @@ Pod::Spec.new do |s|
   s.source           = { :git => "https://github.com/WenchaoD/FSPagerView.git", :tag => s.version.to_s }
 
   s.platform     = :ios
-  s.ios.deployment_target = '9.0'
+  s.ios.deployment_target = '12.0'
   s.requires_arc = true
   s.framework    = 'UIKit'
   s.source_files = 'Sources/*.{swift,h,m}'
diff --git a/FSPagerView/FSPagerView.xcodeproj/project.pbxproj b/FSPagerView/FSPagerView.xcodeproj/project.pbxproj
index 064c66b..3c496f8 100644
--- a/FSPagerView/FSPagerView.xcodeproj/project.pbxproj
+++ b/FSPagerView/FSPagerView.xcodeproj/project.pbxproj
@@ -235,7 +235,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -292,7 +292,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -316,7 +316,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = FSPagerView/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wenchaod.FSPagerView;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -338,7 +338,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = FSPagerView/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wenchaod.FSPagerView;
 				PRODUCT_NAME = "$(TARGET_NAME)";
diff --git a/FSPagerViewExample-Objc/FSPagerViewExample-Objc.xcodeproj/project.pbxproj b/FSPagerViewExample-Objc/FSPagerViewExample-Objc.xcodeproj/project.pbxproj
index 1b6048b..6c43cba 100644
--- a/FSPagerViewExample-Objc/FSPagerViewExample-Objc.xcodeproj/project.pbxproj
+++ b/FSPagerViewExample-Objc/FSPagerViewExample-Objc.xcodeproj/project.pbxproj
@@ -386,7 +386,7 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				DEVELOPMENT_TEAM = HZF422TY46;
 				INFOPLIST_FILE = "FSPagerViewExample-ObjcUITests/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 10.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.wenchaod.FSPagerViewExample-ObjcUITests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -404,7 +404,7 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				DEVELOPMENT_TEAM = HZF422TY46;
 				INFOPLIST_FILE = "FSPagerViewExample-ObjcUITests/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 10.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.wenchaod.FSPagerViewExample-ObjcUITests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -464,7 +464,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -516,7 +516,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -532,6 +532,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				DEVELOPMENT_TEAM = HZF422TY46;
 				INFOPLIST_FILE = "$(SRCROOT)/FSPagerViewExample-Objc/Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.wenchaod.FSPagerView-Objc";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -546,6 +547,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				DEVELOPMENT_TEAM = HZF422TY46;
 				INFOPLIST_FILE = "$(SRCROOT)/FSPagerViewExample-Objc/Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.wenchaod.FSPagerView-Objc";
 				PRODUCT_NAME = "$(TARGET_NAME)";