diff --git a/librx/Base.lproj/Main.storyboard b/librx/Base.lproj/Main.storyboard
index 2266ef2..d95ce37 100644
--- a/librx/Base.lproj/Main.storyboard
+++ b/librx/Base.lproj/Main.storyboard
@@ -1151,7 +1151,6 @@
                             <constraint firstItem="6ZB-oh-mVA" firstAttribute="centerX" secondItem="HLZ-lg-Qw6" secondAttribute="centerX" id="cxh-wo-icD"/>
                             <constraint firstItem="HB2-uZ-jZA" firstAttribute="centerX" secondItem="HLZ-lg-Qw6" secondAttribute="centerX" id="fTN-le-X4J"/>
                             <constraint firstItem="0Xa-9Y-Cal" firstAttribute="top" secondItem="sWV-hY-NHv" secondAttribute="bottom" constant="128" id="gG2-bE-plR"/>
-                            <constraint firstItem="0Xa-9Y-Cal" firstAttribute="centerX" secondItem="HLZ-lg-Qw6" secondAttribute="centerX" constant="0.5" id="hPv-7A-vyN"/>
                             <constraint firstItem="sWV-hY-NHv" firstAttribute="centerX" secondItem="HLZ-lg-Qw6" secondAttribute="centerX" id="kiF-07-yYa"/>
                             <constraint firstItem="0Xa-9Y-Cal" firstAttribute="centerX" secondItem="HLZ-lg-Qw6" secondAttribute="centerX" id="lJe-8h-QD7"/>
                             <constraint firstItem="F6i-0U-9Hk" firstAttribute="top" secondItem="6ZB-oh-mVA" secondAttribute="bottom" constant="73" id="lNZ-aW-YmE"/>
@@ -1681,7 +1680,7 @@
         <image name="Like" width="32" height="32"/>
         <image name="LikeEmpty" width="32" height="32"/>
         <image name="Logo_Max" width="200" height="200"/>
-        <image name="Plus" width="25" height="25"/>
+        <image name="Plus" width="32" height="32"/>
         <image name="Python" width="32" height="32"/>
         <image name="Settings" width="25" height="25"/>
         <image name="UploadCloud" width="32" height="32"/>
diff --git a/librx/LibrxService.swift b/librx/LibrxService.swift
index 1c5ae6a..29c754a 100644
--- a/librx/LibrxService.swift
+++ b/librx/LibrxService.swift
@@ -179,8 +179,6 @@ struct LibrxService {
         Alamofire.request(.GET, urlString, headers: headers)
             .response{ (request, res, data, error) in
                 
-                print(urlString)
-                
                 var posts:[Post] = []
                 if let _ = error{
                     return response(posts, error: "Libr失联了，请稍候再试...")
@@ -188,7 +186,8 @@ struct LibrxService {
                 
                     LocalStore.setLocalCachePosts(data!)
                     let json = JSON(data: data!)
-                    if !json.isEmpty {
+                    
+                    if json != nil {
                         for index in 0..<json.count {
                             let postData = json[index]
                             let post: Post = JsonPaser.parsePost(postData)
@@ -382,7 +381,7 @@ struct LibrxService {
         
     }
     
-    static func profile(userId: Int, response: (Profile) -> ()) {
+    static func profile(userId: Int, response: (Profile?) -> ()) {
         
         let urlString = baseURL + ResourcePath.User(userId: userId).description
         let headers:[String: String] = buildHttpRequestHeader()
@@ -391,8 +390,17 @@ struct LibrxService {
             (_,_,data,error) in
         
             let json = JSON(data: data!)
-            let profile = JsonPaser.parseProfile(json)
-            response(profile)
+            
+            if let _ = error {
+                response(nil)
+            } else {
+                if json != nil {
+                    let profile = JsonPaser.parseProfile(json)
+                    response(profile)
+                } else {
+                    response(nil)
+                }
+            }
             
         }
         
@@ -428,8 +436,12 @@ struct LibrxService {
             if let _ = error {
                 response(nil)
             } else {
-                let profile = JsonPaser.parseProfile(json)
-                response(profile)
+                if json != nil {
+                    let profile = JsonPaser.parseProfile(json)
+                    response(profile)
+                } else {
+                    response(nil)
+                }
             }
             
             
diff --git a/librx/ProfileViewController.swift b/librx/ProfileViewController.swift
index dd90912..3818b1f 100644
--- a/librx/ProfileViewController.swift
+++ b/librx/ProfileViewController.swift
@@ -91,26 +91,28 @@ class ProfileViewController: UIViewController{
         LibrxService.profile(userId) { [weak self](profile) -> () in
             
             if let selfView = self {
-                let avatar = NSURL(string: profile.avatar)
-                selfView.avatarImageView.sd_setImageWithURL(avatar, placeholderImage: UIImage(named: "default"))
-                selfView.nameLabel.text = profile.name
-                selfView.subTitleLabel.text = "简介：\(profile.email)"
-                selfView.followerNumLabel.text = String(profile.followersCount)
-                selfView.follosNumLabel.text = String(profile.followsCount)
-                if let loginEdUserId = LocalStore.accessUserId() {
+                if let thatProfile = profile {
+                    let avatar = NSURL(string: thatProfile.avatar)
+                    selfView.avatarImageView.sd_setImageWithURL(avatar, placeholderImage: UIImage(named: "default"))
+                    selfView.nameLabel.text = thatProfile.name
+                    selfView.subTitleLabel.text = "简介：\(thatProfile.email)"
+                    selfView.followerNumLabel.text = String(thatProfile.followersCount)
+                    selfView.follosNumLabel.text = String(thatProfile.followsCount)
+                    if let loginEdUserId = LocalStore.accessUserId() {
                     
-                    if selfView.userId != loginEdUserId {
+                        if selfView.userId != loginEdUserId {
 
-                        selfView.isFollowed = profile.followed
-                        if profile.followed {
-                            selfView.followButton.setTitle("已关注", forState: .Normal)
-                        } else {
-                            selfView.followButton.setTitle("关注", forState: .Normal)
-                        }
-                        selfView.followButton.hidden = false
+                            selfView.isFollowed = thatProfile.followed
+                            if thatProfile.followed {
+                                selfView.followButton.setTitle("已关注", forState: .Normal)
+                            } else {
+                                selfView.followButton.setTitle("关注", forState: .Normal)
+                            }
+                            selfView.followButton.hidden = false
                         
                     }
                 }
+                }
                 
             }