diff --git a/e-Hentai.xcodeproj/project.pbxproj b/e-Hentai.xcodeproj/project.pbxproj
index 4f0948f9..6a70aebc 100644
--- a/e-Hentai.xcodeproj/project.pbxproj
+++ b/e-Hentai.xcodeproj/project.pbxproj
@@ -87,6 +87,7 @@
 		0199269919ADDB83009F814B /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 0199269819ADDB83009F814B /* AppDelegate.m */; };
 		019926A119ADDB83009F814B /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 019926A019ADDB83009F814B /* Images.xcassets */; };
 		01A166EC19E28D5E00203360 /* NSDictionary+Hentai.m in Sources */ = {isa = PBXBuildFile; fileRef = 01A166EB19E28D5E00203360 /* NSDictionary+Hentai.m */; };
+		01B423211A44136400FAB920 /* Pgyer.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 01B4231F1A44136400FAB920 /* Pgyer.a */; };
 		01BBD60119E3D428003538CF /* HentaiPhotoCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 01BBD5FF19E3D428003538CF /* HentaiPhotoCell.m */; };
 		01BBD60219E3D428003538CF /* HentaiPhotoCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = 01BBD60019E3D428003538CF /* HentaiPhotoCell.xib */; };
 		01BC52251A0CC04B00B37891 /* DaiInboxDisplayLink.m in Sources */ = {isa = PBXBuildFile; fileRef = 01BC52241A0CC04B00B37891 /* DaiInboxDisplayLink.m */; };
@@ -227,6 +228,8 @@
 		019926A719ADDB83009F814B /* XCTest.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = XCTest.framework; path = Library/Frameworks/XCTest.framework; sourceTree = DEVELOPER_DIR; };
 		01A166EA19E28D5E00203360 /* NSDictionary+Hentai.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSDictionary+Hentai.h"; sourceTree = "<group>"; };
 		01A166EB19E28D5E00203360 /* NSDictionary+Hentai.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSDictionary+Hentai.m"; sourceTree = "<group>"; };
+		01B4231F1A44136400FAB920 /* Pgyer.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = Pgyer.a; sourceTree = "<group>"; };
+		01B423201A44136400FAB920 /* Pgyer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Pgyer.h; sourceTree = "<group>"; };
 		01BBD5FE19E3D428003538CF /* HentaiPhotoCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = HentaiPhotoCell.h; path = HentaiPhotoCell/HentaiPhotoCell.h; sourceTree = "<group>"; };
 		01BBD5FF19E3D428003538CF /* HentaiPhotoCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = HentaiPhotoCell.m; path = HentaiPhotoCell/HentaiPhotoCell.m; sourceTree = "<group>"; };
 		01BBD60019E3D428003538CF /* HentaiPhotoCell.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; name = HentaiPhotoCell.xib; path = HentaiPhotoCell/HentaiPhotoCell.xib; sourceTree = "<group>"; };
@@ -258,6 +261,7 @@
 				010E3AE119E3B94700B866FB /* SystemConfiguration.framework in Frameworks */,
 				010E3ADF19E3B93800B866FB /* MobileCoreServices.framework in Frameworks */,
 				016DADA619E3940C00E528BE /* Security.framework in Frameworks */,
+				01B423211A44136400FAB920 /* Pgyer.a in Frameworks */,
 				016DADA419E393EB00E528BE /* CoreMotion.framework in Frameworks */,
 				016DADA219E393DF00E528BE /* CoreLocation.framework in Frameworks */,
 				016DADA019E393D600E528BE /* AssetsLibrary.framework in Frameworks */,
@@ -362,6 +366,7 @@
 		0150033619B6E5E90055F47D /* ThirdParty */ = {
 			isa = PBXGroup;
 			children = (
+				01B4231E1A44136400FAB920 /* Pgyer */,
 				019290161A25D6C70094B423 /* DaiPortal */,
 				01624CDF1A0B5A6400568EC8 /* DaiInboxHUD */,
 				016BBEF919B94E4F0015E11E /* FilesManager */,
@@ -611,6 +616,15 @@
 			name = "Supporting Files";
 			sourceTree = "<group>";
 		};
+		01B4231E1A44136400FAB920 /* Pgyer */ = {
+			isa = PBXGroup;
+			children = (
+				01B4231F1A44136400FAB920 /* Pgyer.a */,
+				01B423201A44136400FAB920 /* Pgyer.h */,
+			);
+			path = Pgyer;
+			sourceTree = "<group>";
+		};
 		01BBD5FD19E3D415003538CF /* HentaiPhotoCell */ = {
 			isa = PBXGroup;
 			children = (
@@ -957,6 +971,10 @@
 				);
 				INFOPLIST_FILE = "e-Hentai/e-Hentai-Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 7.0;
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(PROJECT_DIR)/e-Hentai/ThirdParty/Pgyer",
+				);
 				OTHER_LDFLAGS = "$(inherited)";
 				PRODUCT_NAME = "e-Hentai";
 				PROVISIONING_PROFILE = "";
@@ -983,6 +1001,10 @@
 				);
 				INFOPLIST_FILE = "e-Hentai/e-Hentai-Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 7.0;
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(PROJECT_DIR)/e-Hentai/ThirdParty/Pgyer",
+				);
 				OTHER_LDFLAGS = "$(inherited)";
 				PRODUCT_NAME = "e-Hentai";
 				PROVISIONING_PROFILE = "";
diff --git a/e-Hentai/AppDelegate.m b/e-Hentai/AppDelegate.m
index a6f810b8..8e8f0e19 100644
--- a/e-Hentai/AppDelegate.m
+++ b/e-Hentai/AppDelegate.m
@@ -35,4 +35,16 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
     return YES;
 }
 
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    [Pgyer lastestInformationByShortcut:@"DaiHentai" completion:^(NSDictionary *information) {
+        if ([information[@"appVersion"] floatValue] > [[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"] floatValue]) {
+            NSLog(@"獻上比較新");
+            [UIAlertView hentai_alertViewWithTitle:[NSString stringWithFormat:@"新版本 v%@ 通知", information[@"appVersion"]] message:information[@"appUpdateDescription"] cancelButtonTitle:@"我不想更新~ O3O" otherButtonTitles:@[@"麻煩幫我跳轉更新頁~ O3O"] onClickIndex:^(NSInteger clickIndex) {
+                [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://www.pgyer.com/DaiHentai"]];
+            } onCancel:^{
+            }];
+        }
+    }];
+}
+
 @end
diff --git a/e-Hentai/ThirdParty/Pgyer/Pgyer.a b/e-Hentai/ThirdParty/Pgyer/Pgyer.a
new file mode 100644
index 00000000..fdb8f5e2
Binary files /dev/null and b/e-Hentai/ThirdParty/Pgyer/Pgyer.a differ
diff --git a/e-Hentai/ThirdParty/Pgyer/Pgyer.h b/e-Hentai/ThirdParty/Pgyer/Pgyer.h
new file mode 100644
index 00000000..06c01aac
--- /dev/null
+++ b/e-Hentai/ThirdParty/Pgyer/Pgyer.h
@@ -0,0 +1,7 @@
+#import <Foundation/Foundation.h>
+
+@interface Pgyer : NSObject
+
++ (void)lastestInformationByShortcut:(NSString *)shortcut completion:(void (^)(NSDictionary *information))completion;
+
+@end
diff --git a/e-Hentai/e-Hentai-Info.plist b/e-Hentai/e-Hentai-Info.plist
index 19074028..5981a41f 100644
--- a/e-Hentai/e-Hentai-Info.plist
+++ b/e-Hentai/e-Hentai-Info.plist
@@ -34,7 +34,7 @@
 		</dict>
 	</array>
 	<key>CFBundleVersion</key>
-	<string>1.0</string>
+	<string>1.7</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UIFileSharingEnabled</key>
diff --git a/e-Hentai/e-Hentai-Prefix.pch b/e-Hentai/e-Hentai-Prefix.pch
index dfc8e598..320bdb47 100644
--- a/e-Hentai/e-Hentai-Prefix.pch
+++ b/e-Hentai/e-Hentai-Prefix.pch
@@ -25,6 +25,7 @@
     #import "NSDictionary+Hentai.h"
     #import "DaiInboxHUD.h"
     #import "NSObject+DaiPortal.h"
+    #import "Pgyer.h"
 
     //from pod
     #import <ViewDeck/IIViewDeckController.h>