diff --git a/source/Podfile.lock b/source/Podfile.lock
index 546051d..3c3ee46 100644
--- a/source/Podfile.lock
+++ b/source/Podfile.lock
@@ -7,7 +7,7 @@ DEPENDENCIES:
   - SwiftyJSON (~> 5.0)
 
 SPEC REPOS:
-  https://github.com/CocoaPods/Specs.git:
+  https://github.com/cocoapods/specs.git:
     - Alamofire
     - SwiftyJSON
 
@@ -17,4 +17,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: 1e14da6108c97041b7daef307aaa48a8f180f7a4
 
-COCOAPODS: 1.8.0
+COCOAPODS: 1.7.5
diff --git a/source/tinypng4mac.xcodeproj/project.pbxproj b/source/tinypng4mac.xcodeproj/project.pbxproj
index 2489306..a0bbe07 100644
--- a/source/tinypng4mac.xcodeproj/project.pbxproj
+++ b/source/tinypng4mac.xcodeproj/project.pbxproj
@@ -455,10 +455,10 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = "$(inherited)";
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 10;
+				CURRENT_PROJECT_VERSION = 11;
 				INFOPLIST_FILE = tinypng4mac/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MARKETING_VERSION = 1.0.3;
+				MARKETING_VERSION = 1.0.4;
 				PRODUCT_BUNDLE_IDENTIFIER = com.kyleduo.tinypngmac;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
@@ -472,10 +472,10 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = "$(inherited)";
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 10;
+				CURRENT_PROJECT_VERSION = 11;
 				INFOPLIST_FILE = tinypng4mac/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
-				MARKETING_VERSION = 1.0.3;
+				MARKETING_VERSION = 1.0.4;
 				PRODUCT_BUNDLE_IDENTIFIER = com.kyleduo.tinypngmac;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 5.0;
diff --git a/source/tinypng4mac/MainViewController.swift b/source/tinypng4mac/MainViewController.swift
index 31f4fc1..8d888eb 100644
--- a/source/tinypng4mac/MainViewController.swift
+++ b/source/tinypng4mac/MainViewController.swift
@@ -223,8 +223,13 @@ class MainViewController: NSViewController, NSOpenSavePanelDelegate, NSTableView
             print(file.filePath.path)
             print(file.filePath.relativePath)
             let attributes = try? manager.attributesOfItem(atPath: file.filePath.path)
-			let size = attributes![FileAttributeKey.size]!
-			let task = TPTaskInfo(file, originSize: (size as AnyObject).doubleValue!)
+            let size = (attributes![FileAttributeKey.size]! as AnyObject).doubleValue!
+            let permission = TPConfig.shouldReplace() ? attributes![FileAttributeKey.posixPermissions] as! NSNumber? : nil
+			let task = TPTaskInfo(
+                file,
+                originSize: size,
+                filePermission: permission
+            )
 			tasks.append(task)
 		}
 		TPClient.sharedClient.add(tasks)
diff --git a/source/tinypng4mac/model/TPTaskInfo.swift b/source/tinypng4mac/model/TPTaskInfo.swift
index 5b2ade4..57d8805 100644
--- a/source/tinypng4mac/model/TPTaskInfo.swift
+++ b/source/tinypng4mac/model/TPTaskInfo.swift
@@ -12,6 +12,7 @@ class TPTaskInfo: NSObject {
 	var originFile: URL
 	var outputFile: URL?
 	var resultUrl: String
+    var filePermission: NSNumber
 	var fileInfo: FileInfo
 	var originSize: Double
 	var status: TPTaskStatus
@@ -22,7 +23,7 @@ class TPTaskInfo: NSObject {
 	var errorMessage: String?
     var index: Int
 	
-	init(_ fileInfo: FileInfo, originSize: Double) {
+    init(_ fileInfo: FileInfo, originSize: Double, filePermission: NSNumber?) {
         self.originFile = fileInfo.filePath
 		self.fileInfo = fileInfo
 		self.originSize = originSize
@@ -37,6 +38,7 @@ class TPTaskInfo: NSObject {
 		self.uuid = UUID().uuidString
 		self.errorMessage = nil
         self.index = 0
+        self.filePermission = filePermission != nil ? filePermission! : NSNumber(value: 0o644)
 	}
     
     override var description: String {
diff --git a/source/tinypng4mac/tpclient/TPClient.swift b/source/tinypng4mac/tpclient/TPClient.swift
index 43e8056..55a2867 100644
--- a/source/tinypng4mac/tpclient/TPClient.swift
+++ b/source/tinypng4mac/tpclient/TPClient.swift
@@ -144,7 +144,7 @@ class TPClient {
 					self.updateStatus(task, newStatus: .finish)
 					debugPrint("finish: " + task.fileInfo.relativePath + " tasks: " + String(self.runningTasks))
                     do {
-                        try FileManager.default.setAttributes([FileAttributeKey.posixPermissions: NSNumber(value: 0o644)], ofItemAtPath: task.fileInfo.filePath.path)
+                        try FileManager.default.setAttributes([FileAttributeKey.posixPermissions: task.filePermission], ofItemAtPath: task.fileInfo.filePath.path)
                     } catch {
                         debugPrint("FileManager set posixPermissions error")
                     }