diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..8d9b14a
Binary files /dev/null and b/.DS_Store differ
diff --git a/PhotoBrowser.xcodeproj/project.xcworkspace/xcuserdata/DogWang.xcuserdatad/UserInterfaceState.xcuserstate b/PhotoBrowser.xcodeproj/project.xcworkspace/xcuserdata/DogWang.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 0000000..2c2bc62
Binary files /dev/null and b/PhotoBrowser.xcodeproj/project.xcworkspace/xcuserdata/DogWang.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/PhotoBrowser.xcodeproj/xcuserdata/DogWang.xcuserdatad/xcschemes/PhotoBrowser.xcscheme b/PhotoBrowser.xcodeproj/xcuserdata/DogWang.xcuserdatad/xcschemes/PhotoBrowser.xcscheme
new file mode 100644
index 0000000..b9bc0a2
--- /dev/null
+++ b/PhotoBrowser.xcodeproj/xcuserdata/DogWang.xcuserdatad/xcschemes/PhotoBrowser.xcscheme
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0720"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "89CA44421B7F96030061FEFC"
+               BuildableName = "PhotoBrowser.app"
+               BlueprintName = "PhotoBrowser"
+               ReferencedContainer = "container:PhotoBrowser.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "89CA44571B7F96030061FEFC"
+               BuildableName = "PhotoBrowserTests.xctest"
+               BlueprintName = "PhotoBrowserTests"
+               ReferencedContainer = "container:PhotoBrowser.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "89CA44421B7F96030061FEFC"
+            BuildableName = "PhotoBrowser.app"
+            BlueprintName = "PhotoBrowser"
+            ReferencedContainer = "container:PhotoBrowser.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "89CA44421B7F96030061FEFC"
+            BuildableName = "PhotoBrowser.app"
+            BlueprintName = "PhotoBrowser"
+            ReferencedContainer = "container:PhotoBrowser.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "89CA44421B7F96030061FEFC"
+            BuildableName = "PhotoBrowser.app"
+            BlueprintName = "PhotoBrowser"
+            ReferencedContainer = "container:PhotoBrowser.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/PhotoBrowser.xcodeproj/xcuserdata/DogWang.xcuserdatad/xcschemes/xcschememanagement.plist b/PhotoBrowser.xcodeproj/xcuserdata/DogWang.xcuserdatad/xcschemes/xcschememanagement.plist
new file mode 100644
index 0000000..9fb2a9b
--- /dev/null
+++ b/PhotoBrowser.xcodeproj/xcuserdata/DogWang.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>PhotoBrowser.xcscheme</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>89CA44421B7F96030061FEFC</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+		<key>89CA44571B7F96030061FEFC</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/PhotoBrowser/PhotoBrowser/Controller/PhotoBrowser+HUD.swift b/PhotoBrowser/PhotoBrowser/Controller/PhotoBrowser+HUD.swift
index 33f9844..c9d5cbf 100644
--- a/PhotoBrowser/PhotoBrowser/Controller/PhotoBrowser+HUD.swift
+++ b/PhotoBrowser/PhotoBrowser/Controller/PhotoBrowser+HUD.swift
@@ -26,9 +26,10 @@ extension PhotoBrowser{
         
         if autoDismiss == -1 {return}
         
-        dispatch_after(dispatch_time(DISPATCH_TIME_NOW,Int64(autoDismiss * Double(NSEC_PER_SEC))), dispatch_get_main_queue(), {[unowned self] () -> Void in
-            
-            self.dismissHUD()
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW,Int64(autoDismiss * Double(NSEC_PER_SEC))), dispatch_get_main_queue(), {[weak self] () -> Void in
+            if self != nil {
+                self!.dismissHUD()
+            }
         })
     }
     
diff --git a/PhotoBrowser/PhotoBrowser/Controller/PhotoBrowser+Main.swift b/PhotoBrowser/PhotoBrowser/Controller/PhotoBrowser+Main.swift
index 279f168..7ae9064 100644
--- a/PhotoBrowser/PhotoBrowser/Controller/PhotoBrowser+Main.swift
+++ b/PhotoBrowser/PhotoBrowser/Controller/PhotoBrowser+Main.swift
@@ -72,12 +72,10 @@ extension PhotoBrowser{
         
         if (didFinishSavingWithError as NSError?) == nil {
             showHUD("保存失败", autoDismiss: 2)
-        }
-        else{
-            showHUD("保存成功", autoDismiss: 2)
-            
             //记录
             photoArchiverArr.append(page)
+        }else{
+            showHUD("保存失败", autoDismiss: 2)
         }
     }