diff --git a/metal/PreluKernel/PreluKernel.xcodeproj/project.pbxproj b/metal/PreluKernel/PreluKernel.xcodeproj/project.pbxproj
deleted file mode 100644
index 76f0abb36b0129ce1553816def0548fb514f2876..0000000000000000000000000000000000000000
--- a/metal/PreluKernel/PreluKernel.xcodeproj/project.pbxproj
+++ /dev/null
@@ -1,164 +0,0 @@
-// !$*UTF8*$!
-{
-	archiveVersion = 1;
-	classes = {
-	};
-	objectVersion = 50;
-	objects = {
-
-/* Begin PBXBuildFile section */
-		FCEB6843212F00CC00D2448E /* PreluKernel.metal in Sources */ = {isa = PBXBuildFile; fileRef = FCEB6842212F00CC00D2448E /* PreluKernel.metal */; };
-/* End PBXBuildFile section */
-
-/* Begin PBXFileReference section */
-		FCEB683F212F00CC00D2448E /* PreluKernel.metallib */ = {isa = PBXFileReference; explicitFileType = "archive.metal-library"; includeInIndex = 0; path = PreluKernel.metallib; sourceTree = BUILT_PRODUCTS_DIR; };
-		FCEB6842212F00CC00D2448E /* PreluKernel.metal */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.metal; path = PreluKernel.metal; sourceTree = "<group>"; };
-/* End PBXFileReference section */
-
-/* Begin PBXGroup section */
-		FCEB6838212F00CC00D2448E = {
-			isa = PBXGroup;
-			children = (
-				FCEB6841212F00CC00D2448E /* PreluKernel */,
-				FCEB6840212F00CC00D2448E /* Products */,
-			);
-			sourceTree = "<group>";
-		};
-		FCEB6840212F00CC00D2448E /* Products */ = {
-			isa = PBXGroup;
-			children = (
-				FCEB683F212F00CC00D2448E /* PreluKernel.metallib */,
-			);
-			name = Products;
-			sourceTree = "<group>";
-		};
-		FCEB6841212F00CC00D2448E /* PreluKernel */ = {
-			isa = PBXGroup;
-			children = (
-				FCEB6842212F00CC00D2448E /* PreluKernel.metal */,
-			);
-			path = PreluKernel;
-			sourceTree = "<group>";
-		};
-/* End PBXGroup section */
-
-/* Begin PBXNativeTarget section */
-		FCEB683E212F00CC00D2448E /* PreluKernel */ = {
-			isa = PBXNativeTarget;
-			buildConfigurationList = FCEB6846212F00CC00D2448E /* Build configuration list for PBXNativeTarget "PreluKernel" */;
-			buildPhases = (
-				FCEB683D212F00CC00D2448E /* Sources */,
-			);
-			buildRules = (
-			);
-			dependencies = (
-			);
-			name = PreluKernel;
-			productName = PreluKernel;
-			productReference = FCEB683F212F00CC00D2448E /* PreluKernel.metallib */;
-			productType = "com.apple.product-type.metal-library";
-		};
-/* End PBXNativeTarget section */
-
-/* Begin PBXProject section */
-		FCEB6839212F00CC00D2448E /* Project object */ = {
-			isa = PBXProject;
-			attributes = {
-				LastUpgradeCheck = 0940;
-				ORGANIZATIONNAME = orange;
-				TargetAttributes = {
-					FCEB683E212F00CC00D2448E = {
-						CreatedOnToolsVersion = 9.4.1;
-					};
-				};
-			};
-			buildConfigurationList = FCEB683C212F00CC00D2448E /* Build configuration list for PBXProject "PreluKernel" */;
-			compatibilityVersion = "Xcode 9.3";
-			developmentRegion = en;
-			hasScannedForEncodings = 0;
-			knownRegions = (
-				en,
-			);
-			mainGroup = FCEB6838212F00CC00D2448E;
-			productRefGroup = FCEB6840212F00CC00D2448E /* Products */;
-			projectDirPath = "";
-			projectRoot = "";
-			targets = (
-				FCEB683E212F00CC00D2448E /* PreluKernel */,
-			);
-		};
-/* End PBXProject section */
-
-/* Begin PBXSourcesBuildPhase section */
-		FCEB683D212F00CC00D2448E /* Sources */ = {
-			isa = PBXSourcesBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-				FCEB6843212F00CC00D2448E /* PreluKernel.metal in Sources */,
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-		};
-/* End PBXSourcesBuildPhase section */
-
-/* Begin XCBuildConfiguration section */
-		FCEB6844212F00CC00D2448E /* Debug */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				IPHONEOS_DEPLOYMENT_TARGET = 11.4;
-				MTL_ENABLE_DEBUG_INFO = YES;
-				SDKROOT = iphoneos;
-			};
-			name = Debug;
-		};
-		FCEB6845212F00CC00D2448E /* Release */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				IPHONEOS_DEPLOYMENT_TARGET = 11.4;
-				MTL_ENABLE_DEBUG_INFO = NO;
-				SDKROOT = iphoneos;
-			};
-			name = Release;
-		};
-		FCEB6847212F00CC00D2448E /* Debug */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = Z5M2UUN5YV;
-				PRODUCT_NAME = "$(TARGET_NAME)";
-			};
-			name = Debug;
-		};
-		FCEB6848212F00CC00D2448E /* Release */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = Z5M2UUN5YV;
-				PRODUCT_NAME = "$(TARGET_NAME)";
-			};
-			name = Release;
-		};
-/* End XCBuildConfiguration section */
-
-/* Begin XCConfigurationList section */
-		FCEB683C212F00CC00D2448E /* Build configuration list for PBXProject "PreluKernel" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				FCEB6844212F00CC00D2448E /* Debug */,
-				FCEB6845212F00CC00D2448E /* Release */,
-			);
-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-		FCEB6846212F00CC00D2448E /* Build configuration list for PBXNativeTarget "PreluKernel" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				FCEB6847212F00CC00D2448E /* Debug */,
-				FCEB6848212F00CC00D2448E /* Release */,
-			);
-			defaultConfigurationIsVisible = 0;
-			defaultConfigurationName = Release;
-		};
-/* End XCConfigurationList section */
-	};
-	rootObject = FCEB6839212F00CC00D2448E /* Project object */;
-}
diff --git a/metal/PreluKernel/PreluKernel.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/metal/PreluKernel/PreluKernel.xcodeproj/project.xcworkspace/contents.xcworkspacedata
deleted file mode 100644
index bb481babbf9c954edbc2d32efb8eb41c70beb21c..0000000000000000000000000000000000000000
--- a/metal/PreluKernel/PreluKernel.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Workspace
-   version = "1.0">
-   <FileRef
-      location = "self:PreluKernel.xcodeproj">
-   </FileRef>
-</Workspace>
diff --git a/metal/PreluKernel/PreluKernel.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/metal/PreluKernel/PreluKernel.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
deleted file mode 100644
index 18d981003d68d0546c4804ac2ff47dd97c6e7921..0000000000000000000000000000000000000000
--- a/metal/PreluKernel/PreluKernel.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ /dev/null
@@ -1,8 +0,0 @@
-<?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>IDEDidComputeMac32BitWarning</key>
-	<true/>
-</dict>
-</plist>
diff --git a/metal/PreluKernel/PreluKernel.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/xcschememanagement.plist b/metal/PreluKernel/PreluKernel.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/xcschememanagement.plist
deleted file mode 100644
index 803d380b4d56c2270f2370cc5a1670b428d73793..0000000000000000000000000000000000000000
--- a/metal/PreluKernel/PreluKernel.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/xcschememanagement.plist
+++ /dev/null
@@ -1,14 +0,0 @@
-<?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>PreluKernel.xcscheme</key>
-		<dict>
-			<key>orderHint</key>
-			<integer>0</integer>
-		</dict>
-	</dict>
-</dict>
-</plist>
diff --git a/metal/PreluKernel/PreluKernel/PreluKernel.metal b/metal/PreluKernel/PreluKernel/PreluKernel.metal
deleted file mode 100644
index 7aa5e72ba9249ffe19152a9583ff103837d83f0b..0000000000000000000000000000000000000000
--- a/metal/PreluKernel/PreluKernel/PreluKernel.metal
+++ /dev/null
@@ -1,12 +0,0 @@
-//
-//  PreluKernel.metal
-//  PreluKernel
-//
-//  Created by liuRuiLong on 2018/8/23.
-//  Copyright © 2018年 orange. All rights reserved.
-//
-
-#include <metal_stdlib>
-using namespace metal;
-
-
diff --git a/metal/paddle-mobile-demo/paddle-mobile-demo.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/paddle-mobile-demo.xcscheme b/metal/paddle-mobile-demo/paddle-mobile-demo.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/paddle-mobile-demo.xcscheme
index 46c65bd36a9ab7027b1cb7a81533dcd553ccb62e..de579675e07b8ffb8869464bebe203b591fa7778 100644
--- a/metal/paddle-mobile-demo/paddle-mobile-demo.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/paddle-mobile-demo.xcscheme
+++ b/metal/paddle-mobile-demo/paddle-mobile-demo.xcodeproj/xcuserdata/liuruilong.xcuserdatad/xcschemes/paddle-mobile-demo.xcscheme
@@ -42,7 +42,7 @@
       </AdditionalOptions>
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"
diff --git a/metal/paddle-mobile-demo/paddle-mobile-demo/ViewController.swift b/metal/paddle-mobile-demo/paddle-mobile-demo/ViewController.swift
index 14b4920899560a1e41e6a75d572431370d9af7e4..b360701c51168fdbbf4b43bdf7884a647c164ae0 100644
--- a/metal/paddle-mobile-demo/paddle-mobile-demo/ViewController.swift
+++ b/metal/paddle-mobile-demo/paddle-mobile-demo/ViewController.swift
@@ -104,7 +104,8 @@ class ViewController: UIViewController {
               let time = Date.init().timeIntervalSince(startDate)
               DispatchQueue.main.async {
 //                print(resultHolder!.result![0])
-//                sSelf.resultTextView.text = sSelf.runner.net.resultStr(res: res)
+                sSelf.resultTextView.text = sSelf.runner.net.resultStr(res: resultHolder!)
+                
                 sSelf.elapsedTimeLabel.text = "平均耗时: \(time/Double(max) * 1000.0) ms"
                
               }
diff --git a/metal/paddle-mobile/paddle-mobile/Genet.swift b/metal/paddle-mobile/paddle-mobile/Genet.swift
index fba5b22ca6a5b132a9c62e2baf6d3d58dea12ced..d87e4797f4cac2cdebd032c3d8577058ea8ecc9f 100644
--- a/metal/paddle-mobile/paddle-mobile/Genet.swift
+++ b/metal/paddle-mobile/paddle-mobile/Genet.swift
@@ -35,8 +35,8 @@ public class Genet: Net {
   }
   
   override  public func resultStr(res: ResultHolder) -> String {
-    fatalError()
-//    return " \(Array<Float>(res.suffix(10))) ... "
+//    fatalError()
+    return " \(res.result![0]) ... "
   }
   
 }
diff --git a/metal/paddle-mobile/paddle-mobile/MobilenetSSD_AR.swift b/metal/paddle-mobile/paddle-mobile/MobilenetSSD_AR.swift
index f90ba88d158538b473938cfee57bca89eec208ae..c3878688b95e15e79276762b8aef1ee03b5c1af5 100644
--- a/metal/paddle-mobile/paddle-mobile/MobilenetSSD_AR.swift
+++ b/metal/paddle-mobile/paddle-mobile/MobilenetSSD_AR.swift
@@ -35,7 +35,7 @@ public class MobileNet_ssd_AR: Net{
   }
   
   override public func resultStr(res: ResultHolder) -> String {
-    return " \(res)"
+    return " \(res.result![0])"
   }
   
   override func fetchResult(paddleMobileRes: GPUResultHolder) -> ResultHolder {
@@ -51,7 +51,7 @@ public class MobileNet_ssd_AR: Net{
       fatalError()
     }
     
-    let startDate = Date.init()
+//    let startDate = Date.init()
     
 //    print("scoreFormatArr: ")
 //print((0..<score.capacity).map{ score.result[$0] }.strideArray())