diff --git a/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo/Class/NSBundle+AppLanguageSwitch.h b/Class/NSBundle+AppLanguageSwitch.h
similarity index 100%
rename from iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo/Class/NSBundle+AppLanguageSwitch.h
rename to Class/NSBundle+AppLanguageSwitch.h
diff --git a/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo/Class/NSBundle+AppLanguageSwitch.m b/Class/NSBundle+AppLanguageSwitch.m
similarity index 100%
rename from iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo/Class/NSBundle+AppLanguageSwitch.m
rename to Class/NSBundle+AppLanguageSwitch.m
diff --git a/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.pbxproj b/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.pbxproj
index fa49bf9..66ed24f 100644
--- a/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.pbxproj
+++ b/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.pbxproj
@@ -7,11 +7,11 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		4B019CFE1EF244A90098CDC8 /* NSBundle+AppLanguageSwitch.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B019CFD1EF244A90098CDC8 /* NSBundle+AppLanguageSwitch.m */; };
 		4B32F1AD1EEFDE840066445B /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B32F1AC1EEFDE840066445B /* main.m */; };
 		4B32F1B01EEFDE840066445B /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B32F1AF1EEFDE840066445B /* AppDelegate.m */; };
 		4B32F1B81EEFDE840066445B /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 4B32F1B71EEFDE840066445B /* Assets.xcassets */; };
 		4B32F1BB1EEFDE840066445B /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 4B32F1B91EEFDE840066445B /* LaunchScreen.storyboard */; };
-		4B32F1C51EEFDEF40066445B /* NSBundle+AppLanguageSwitch.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B32F1C41EEFDEF40066445B /* NSBundle+AppLanguageSwitch.m */; };
 		4B32F1CA1EEFE7C10066445B /* FirstViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B32F1C81EEFE7C10066445B /* FirstViewController.m */; };
 		4B32F1CF1EEFE7DA0066445B /* SecondViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B32F1CD1EEFE7D90066445B /* SecondViewController.m */; };
 		4B32F1D11EEFE8A40066445B /* FirstViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 4B32F1D31EEFE8A40066445B /* FirstViewController.xib */; };
@@ -23,6 +23,8 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		4B019CFC1EF244A90098CDC8 /* NSBundle+AppLanguageSwitch.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSBundle+AppLanguageSwitch.h"; sourceTree = "<group>"; };
+		4B019CFD1EF244A90098CDC8 /* NSBundle+AppLanguageSwitch.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSBundle+AppLanguageSwitch.m"; sourceTree = "<group>"; };
 		4B32F1A81EEFDE840066445B /* iOSAppLanguageSwitchDemo.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = iOSAppLanguageSwitchDemo.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		4B32F1AC1EEFDE840066445B /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
 		4B32F1AE1EEFDE840066445B /* AppDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
@@ -30,8 +32,6 @@
 		4B32F1B71EEFDE840066445B /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		4B32F1BA1EEFDE840066445B /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		4B32F1BC1EEFDE840066445B /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		4B32F1C31EEFDEF40066445B /* NSBundle+AppLanguageSwitch.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSBundle+AppLanguageSwitch.h"; sourceTree = "<group>"; };
-		4B32F1C41EEFDEF40066445B /* NSBundle+AppLanguageSwitch.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSBundle+AppLanguageSwitch.m"; sourceTree = "<group>"; };
 		4B32F1C61EEFE7A50066445B /* zh-Hans */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = "zh-Hans"; path = "zh-Hans.lproj/LaunchScreen.strings"; sourceTree = "<group>"; };
 		4B32F1C71EEFE7C10066445B /* FirstViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = FirstViewController.h; sourceTree = "<group>"; };
 		4B32F1C81EEFE7C10066445B /* FirstViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = FirstViewController.m; sourceTree = "<group>"; };
@@ -67,10 +67,21 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		4B019CFB1EF244A90098CDC8 /* Class */ = {
+			isa = PBXGroup;
+			children = (
+				4B019CFC1EF244A90098CDC8 /* NSBundle+AppLanguageSwitch.h */,
+				4B019CFD1EF244A90098CDC8 /* NSBundle+AppLanguageSwitch.m */,
+			);
+			name = Class;
+			path = ../Class;
+			sourceTree = "<group>";
+		};
 		4B32F19F1EEFDE840066445B = {
 			isa = PBXGroup;
 			children = (
 				4B32F1AA1EEFDE840066445B /* iOSAppLanguageSwitchDemo */,
+				4B019CFB1EF244A90098CDC8 /* Class */,
 				4B32F1A91EEFDE840066445B /* Products */,
 			);
 			sourceTree = "<group>";
@@ -97,7 +108,6 @@
 				4B32F1FF1EF002D90066445B /* ThirdViewController.h */,
 				4B32F2001EF002D90066445B /* ThirdViewController.m */,
 				4B32F2061EF003E40066445B /* ThirdViewController.xib */,
-				4B32F1C21EEFDEBE0066445B /* Class */,
 				4B32F1B71EEFDE840066445B /* Assets.xcassets */,
 				4B32F1B91EEFDE840066445B /* LaunchScreen.storyboard */,
 				4B32F1BC1EEFDE840066445B /* Info.plist */,
@@ -116,15 +126,6 @@
 			name = "Supporting Files";
 			sourceTree = "<group>";
 		};
-		4B32F1C21EEFDEBE0066445B /* Class */ = {
-			isa = PBXGroup;
-			children = (
-				4B32F1C31EEFDEF40066445B /* NSBundle+AppLanguageSwitch.h */,
-				4B32F1C41EEFDEF40066445B /* NSBundle+AppLanguageSwitch.m */,
-			);
-			path = Class;
-			sourceTree = "<group>";
-		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -202,8 +203,8 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				4B019CFE1EF244A90098CDC8 /* NSBundle+AppLanguageSwitch.m in Sources */,
 				4B32F1CF1EEFE7DA0066445B /* SecondViewController.m in Sources */,
-				4B32F1C51EEFDEF40066445B /* NSBundle+AppLanguageSwitch.m in Sources */,
 				4B32F2021EF002D90066445B /* ThirdViewController.m in Sources */,
 				4B32F1B01EEFDE840066445B /* AppDelegate.m in Sources */,
 				4B32F1AD1EEFDE840066445B /* main.m in Sources */,
diff --git a/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.xcworkspace/xcuserdata/zengqingfu.xcuserdatad/UserInterfaceState.xcuserstate b/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.xcworkspace/xcuserdata/zengqingfu.xcuserdatad/UserInterfaceState.xcuserstate
index 053e213..bbb2cb4 100644
Binary files a/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.xcworkspace/xcuserdata/zengqingfu.xcuserdatad/UserInterfaceState.xcuserstate and b/iOSAppLanguageSwitchDemo/iOSAppLanguageSwitchDemo.xcodeproj/project.xcworkspace/xcuserdata/zengqingfu.xcuserdatad/UserInterfaceState.xcuserstate differ