diff --git a/.gitignore b/.gitignore
index a3cd143..6e8ef48 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,7 @@ DerivedData
 # http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control
 #
 # Pods/
+
+# Carthage
+Carthage
+
diff --git a/README.md b/README.md
index 8eea977..b808a66 100755
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 YTKKeyValueStore
 ==========
 
-[![CocoaPods Version](https://cocoapod-badges.herokuapp.com/v/YTKKeyValueStore_Swift/badge.png)](http://cocoadocs.org/docsets/YTKKeyValueStore_Swift) [![Platform](https://cocoapod-badges.herokuapp.com/p/YTKKeyValueStore_Swift/badge.png)](http://cocoadocs.org/docsets/YTKKeyValueStore_Swift) ![License MIT](https://go-shields.herokuapp.com/license-MIT-blue.png)
+[![CocoaPods Version](https://cocoapod-badges.herokuapp.com/v/YTKKeyValueStore_Swift/badge.png)](http://cocoadocs.org/docsets/YTKKeyValueStore_Swift) [![Platform](https://cocoapod-badges.herokuapp.com/p/YTKKeyValueStore_Swift/badge.png)](http://cocoadocs.org/docsets/YTKKeyValueStore_Swift) [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage) ![License MIT](https://go-shields.herokuapp.com/license-MIT-blue.png)
 
 objc version ：https://github.com/yuantiku/YTKKeyValueStore
 
diff --git a/YTKKeyValueStore.xcodeproj/xcshareddata/xcschemes/YTKKeyValueStore.xcscheme b/YTKKeyValueStore.xcodeproj/xcshareddata/xcschemes/YTKKeyValueStore.xcscheme
new file mode 100644
index 0000000..238416e
--- /dev/null
+++ b/YTKKeyValueStore.xcodeproj/xcshareddata/xcschemes/YTKKeyValueStore.xcscheme
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0720"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "1A5891A41A8B4F6200155614"
+               BuildableName = "YTKKeyValueStore.framework"
+               BlueprintName = "YTKKeyValueStore"
+               ReferencedContainer = "container:YTKKeyValueStore.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "1A5891AF1A8B4F6300155614"
+               BuildableName = "YTKKeyValueStoreTests.xctest"
+               BlueprintName = "YTKKeyValueStoreTests"
+               ReferencedContainer = "container:YTKKeyValueStore.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "1A5891A41A8B4F6200155614"
+            BuildableName = "YTKKeyValueStore.framework"
+            BlueprintName = "YTKKeyValueStore"
+            ReferencedContainer = "container:YTKKeyValueStore.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "1A5891A41A8B4F6200155614"
+            BuildableName = "YTKKeyValueStore.framework"
+            BlueprintName = "YTKKeyValueStore"
+            ReferencedContainer = "container:YTKKeyValueStore.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "1A5891A41A8B4F6200155614"
+            BuildableName = "YTKKeyValueStore.framework"
+            BlueprintName = "YTKKeyValueStore"
+            ReferencedContainer = "container:YTKKeyValueStore.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>