diff --git a/Podfile.lock b/Podfile.lock
index 9ce07ad8..ee90805d 100644
--- a/Podfile.lock
+++ b/Podfile.lock
@@ -51,7 +51,7 @@ DEPENDENCIES:
 
 EXTERNAL SOURCES:
   MZFayeClient:
-    :path: "../CatchLib-iOS/MZFayeClient/"
+    :path: ../CatchLib-iOS/MZFayeClient/
 
 SPEC CHECKSUMS:
   1PasswordExtension: a22573ad528dd63bd79c1f3b3813b17c2f86b91b
diff --git a/Yep.xcodeproj/project.pbxproj b/Yep.xcodeproj/project.pbxproj
index 2203b727..de90d64b 100644
--- a/Yep.xcodeproj/project.pbxproj
+++ b/Yep.xcodeproj/project.pbxproj
@@ -266,6 +266,7 @@
 		50CDBE461ACA9F2200459CE0 /* ImageCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50CDBE451ACA9F2200459CE0 /* ImageCache.swift */; };
 		50CDBE491ACBAD3200459CE0 /* ChatLeftImageCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50CDBE471ACBAD3200459CE0 /* ChatLeftImageCell.swift */; };
 		50CDBE4A1ACBAD3200459CE0 /* ChatLeftImageCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = 50CDBE481ACBAD3200459CE0 /* ChatLeftImageCell.xib */; };
+		50D45FC31C44D2300044C95A /* OpenGraphService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50D45FC21C44D2300044C95A /* OpenGraphService.swift */; };
 		50D4D0DB1AFA825B005AEB6F /* MediaControlView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50D4D0DA1AFA825B005AEB6F /* MediaControlView.swift */; };
 		50DEE02C1BE209FF00015741 /* DeletedFeedConversationCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50DEE02A1BE209FF00015741 /* DeletedFeedConversationCell.swift */; };
 		50DEE02D1BE209FF00015741 /* DeletedFeedConversationCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = 50DEE02B1BE209FF00015741 /* DeletedFeedConversationCell.xib */; };
@@ -638,6 +639,7 @@
 		50CDBE451ACA9F2200459CE0 /* ImageCache.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = ImageCache.swift; path = Caches/ImageCache.swift; sourceTree = "<group>"; };
 		50CDBE471ACBAD3200459CE0 /* ChatLeftImageCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = ChatLeftImageCell.swift; path = Views/Cells/ChatLeftImage/ChatLeftImageCell.swift; sourceTree = "<group>"; };
 		50CDBE481ACBAD3200459CE0 /* ChatLeftImageCell.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; name = ChatLeftImageCell.xib; path = Views/Cells/ChatLeftImage/ChatLeftImageCell.xib; sourceTree = "<group>"; };
+		50D45FC21C44D2300044C95A /* OpenGraphService.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = OpenGraphService.swift; path = Services/OpenGraphService.swift; sourceTree = "<group>"; };
 		50D4D0DA1AFA825B005AEB6F /* MediaControlView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = MediaControlView.swift; path = Views/Media/MediaControlView.swift; sourceTree = "<group>"; };
 		50DEE02A1BE209FF00015741 /* DeletedFeedConversationCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = DeletedFeedConversationCell.swift; path = Views/Cells/DeletedFeedConversation/DeletedFeedConversationCell.swift; sourceTree = "<group>"; };
 		50DEE02B1BE209FF00015741 /* DeletedFeedConversationCell.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; name = DeletedFeedConversationCell.xib; path = Views/Cells/DeletedFeedConversation/DeletedFeedConversationCell.xib; sourceTree = "<group>"; };
@@ -1336,6 +1338,7 @@
 				0A271FD61ACA055400822DFC /* YepAudioService.swift */,
 				0A3E60661ACCAECE003DC853 /* YepLocationService.swift */,
 				5016901B1BFB22180096C4F9 /* SocialWorkService.swift */,
+				50D45FC21C44D2300044C95A /* OpenGraphService.swift */,
 			);
 			name = Services;
 			sourceTree = "<group>";
@@ -2657,6 +2660,7 @@
 				0AEB1CC61B0E742400178C9C /* Double+Yep.swift in Sources */,
 				50B2CA921BD0BF3800668AC6 /* FeedTextView.swift in Sources */,
 				6A649A9B1BB259CB00EE4FB5 /* YepSoundEffect.swift in Sources */,
+				50D45FC31C44D2300044C95A /* OpenGraphService.swift in Sources */,
 				508D174C1ACCF49B0092D666 /* ChatRightAudioCell.swift in Sources */,
 				502AE53D1AB87C0D005BD199 /* YepUserDefaults.swift in Sources */,
 				50F5AF881BBBB2AE0033C9BC /* HorizontalLineView.swift in Sources */,
diff --git a/Yep/Services/OpenGraphService.swift b/Yep/Services/OpenGraphService.swift
new file mode 100644
index 00000000..b18a318c
--- /dev/null
+++ b/Yep/Services/OpenGraphService.swift
@@ -0,0 +1,17 @@
+//
+//  OpenGraphService.swift
+//  Yep
+//
+//  Created by nixzhu on 16/1/12.
+//  Copyright © 2016年 Catch Inc. All rights reserved.
+//
+
+import Alamofire
+
+func openGraphWithURLString(URLString: String, failureHandler: ((Reason, String?) -> Void)?, completion: () -> Void) {
+
+    Alamofire.request(.GET, URLString, parameters: nil, encoding: .URL).responseString { responseString in
+        println("\n openGraphWithURLString: \(URLString)\n\(responseString)")
+    }
+}
+
diff --git a/Yep/ViewControllers/Conversations/ConversationsViewController.swift b/Yep/ViewControllers/Conversations/ConversationsViewController.swift
index 7bb192fb..945bdac1 100644
--- a/Yep/ViewControllers/Conversations/ConversationsViewController.swift
+++ b/Yep/ViewControllers/Conversations/ConversationsViewController.swift
@@ -251,6 +251,19 @@ class ConversationsViewController: SegueViewController {
 
         // 预先生成小头像
         cacheInAdvance()
+
+        // test open graph
+        [
+            "https://itunes.apple.com/cn/album/hello-single/id1051365605?i=1051366040&l=en",
+            //"https://itun.es/cn/5_268?i=1022063849",
+            //"www.douban.com",
+            //"http://swiftcn.io/topics/64?f=w",
+            //"https://github.com/",
+            //"https://itunes.apple.com/cn/album/li-hong-er-shi-er-shi-zhou/id1022062585?i=1022063849&l=en",
+            //"http://www.douban.com/note/431101390/",
+        ].forEach({
+            openGraphWithURLString($0, failureHandler: nil, completion: {})
+        })
     }
     
     private func askForNotification() {