diff --git a/HD wallpaper.xcodeproj/project.pbxproj b/HD wallpaper.xcodeproj/project.pbxproj
index 9e31bbf..726db13 100644
--- a/HD wallpaper.xcodeproj/project.pbxproj	
+++ b/HD wallpaper.xcodeproj/project.pbxproj	
@@ -486,12 +486,13 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1;
+				CURRENT_PROJECT_VERSION = 0;
 				DEVELOPMENT_TEAM = U3NR9V77CM;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = "HD wallpaper/Info.plist";
 				INFOPLIST_KEY_CFBundleDisplayName = "Trend Wallpaper";
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "Save Image To Photo Library";
+				INFOPLIST_KEY_NSUserTrackingUsageDescription = "我们想使用您的设备的广告追踪权限来为您推荐个性化的广告";
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen.storyboard;
 				INFOPLIST_KEY_UIMainStoryboardFile = "";
@@ -502,7 +503,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0;
+				MARKETING_VERSION = 1.1;
 				OTHER_LDFLAGS = "-ObjC";
 				PRODUCT_BUNDLE_IDENTIFIER = com.trendwallpaper.app;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -520,12 +521,13 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1;
+				CURRENT_PROJECT_VERSION = 0;
 				DEVELOPMENT_TEAM = U3NR9V77CM;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = "HD wallpaper/Info.plist";
 				INFOPLIST_KEY_CFBundleDisplayName = "Trend Wallpaper";
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "Save Image To Photo Library";
+				INFOPLIST_KEY_NSUserTrackingUsageDescription = "我们想使用您的设备的广告追踪权限来为您推荐个性化的广告";
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen.storyboard;
 				INFOPLIST_KEY_UIMainStoryboardFile = "";
@@ -536,7 +538,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0;
+				MARKETING_VERSION = 1.1;
 				OTHER_LDFLAGS = "-ObjC";
 				PRODUCT_BUNDLE_IDENTIFIER = com.trendwallpaper.app;
 				PRODUCT_NAME = "$(TARGET_NAME)";
diff --git a/HD wallpaper.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate b/HD wallpaper.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate
index ceaa401..8bea061 100644
Binary files a/HD wallpaper.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate and b/HD wallpaper.xcworkspace/xcuserdata/aaa.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/HD wallpaper/AppDelegate.m b/HD wallpaper/AppDelegate.m
index a63bab2..fc993ea 100644
--- a/HD wallpaper/AppDelegate.m	
+++ b/HD wallpaper/AppDelegate.m	
@@ -7,18 +7,56 @@
 #import "WPForMyViewController.h"
 
 #import "WallPapaerADManager.h"
-@interface AppDelegate ()
+#import <AppTrackingTransparency/AppTrackingTransparency.h>
+#import <AdSupport/ASIdentifierManager.h>
 
+@interface AppDelegate ()
+@property (nonatomic,strong) NSTimer *attTimer;
 @end
 
 
 @implementation AppDelegate
 
 
+
+//检查idfa的att弹框
+ - (void)checkATT{
+     [ATTrackingManager requestTrackingAuthorizationWithCompletionHandler:^(ATTrackingManagerAuthorizationStatus status) {
+         // 获取到权限后，依然使用老方法获取idfa
+         if(status == ATTrackingManagerAuthorizationStatusNotDetermined) {
+             
+             if(self.attTimer == nil) {
+                 self.attTimer = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(checkATT) userInfo:nil repeats:YES];
+                 [ATTrackingManager requestTrackingAuthorizationWithCompletionHandler:^(ATTrackingManagerAuthorizationStatus status) {
+                     if (status != ATTrackingManagerAuthorizationStatusNotDetermined) {
+                         NSLog(@"用户已做出选择");
+                         [self invalidATTTimer];
+                     }
+                     else {
+                         NSLog(@"用户未做出选择,可能是弹框未弹出...");
+                     }
+                 }];
+             }
+             
+         }
+         else{
+             [self invalidATTTimer];
+         }
+    }];
+}
+
+-(void)invalidATTTimer{
+    if( _attTimer ){
+        [_attTimer invalidate];
+    }
+    _attTimer = nil;
+}
+
+
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
     [[WallPapaerADManager shareInstance] configureAD];
     
-    
+    [self checkATT];
     self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
     self.window.backgroundColor = [UIColor whiteColor];
     [self.window makeKeyAndVisible];