diff --git a/AppDelegate.m b/AppDelegate.m
new file mode 100644
index 0000000..5da6d6e
--- /dev/null
+++ b/AppDelegate.m
@@ -0,0 +1,22 @@
+//
+//  AppDelegate.m
+//  YNPageViewController
+//
+//  Created by ZYN on 2018/4/22.
+//  Copyright © 2018年 yongneng. All rights reserved.
+//
+
+#import "AppDelegate.h"
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    
+    self.window.backgroundColor = [UIColor whiteColor];
+    
+    NSLog(@"test1");
+    
+    return YES;
+}
+
+@end