diff --git a/Benchmark.podspec b/Benchmark.podspec
index e82aa4f..814c983 100644
--- a/Benchmark.podspec
+++ b/Benchmark.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name                  = 'Benchmark'
-  s.version               = '1.2'
+  s.version               = '2.0'
   s.ios.deployment_target = '8.0'
   s.osx.deployment_target = '10.11'
   s.summary               = 'The Benchmark⏲ module provides methods to measure and report the time used to execute Swift code.'
@@ -10,10 +10,14 @@ Pod::Spec.new do |s|
   Benchmark.measure() {
       // some processes
   }
+
+  ⏲{
+      // some processes
+  }
                             DESC
   s.homepage              = 'https://github.com/WorldDownTown/Benchmark'
   s.license               = { type: 'MIT', file: 'LICENSE' }
-  s.author                = { 'WorldDownTown' => 'WorldDownTown@gmail.com' }
+  s.author                = { WorldDownTown: 'WorldDownTown@gmail.com' }
   s.social_media_url      = 'http://twitter.com/WorldDownTown'
   s.source                = { git: 'https://github.com/WorldDownTown/Benchmark.git', tag: s.version }
   s.source_files          = 'Benchmark/Benchmark.swift'
diff --git a/Benchmark.xcodeproj/project.pbxproj b/Benchmark.xcodeproj/project.pbxproj
index fc7a736..7330569 100644
--- a/Benchmark.xcodeproj/project.pbxproj
+++ b/Benchmark.xcodeproj/project.pbxproj
@@ -146,16 +146,18 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0730;
-				LastUpgradeCheck = 0810;
+				LastUpgradeCheck = 0830;
 				ORGANIZATIONNAME = com.shoji;
 				TargetAttributes = {
 					CEFD300A1CF4A0BD0030FC4C = {
 						CreatedOnToolsVersion = 7.3.1;
 						LastSwiftMigration = 0810;
+						ProvisioningStyle = Automatic;
 					};
 					CEFD30141CF4A0BD0030FC4C = {
 						CreatedOnToolsVersion = 7.3.1;
 						LastSwiftMigration = 0810;
+						ProvisioningStyle = Automatic;
 					};
 				};
 			};
@@ -262,7 +264,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -307,7 +309,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -334,6 +336,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.shoji.Benchmark;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 3.0;
@@ -344,7 +347,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_ENABLE_MODULES = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				DEFINES_MODULE = YES;
 				DEVELOPMENT_TEAM = "";
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -356,6 +359,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.shoji.Benchmark;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SKIP_INSTALL = YES;
 				SWIFT_VERSION = 3.0;
 			};
@@ -364,11 +368,13 @@
 		CEFD30231CF4A0BD0030FC4C /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = BenchmarkTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.shoji.BenchmarkTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
@@ -376,11 +382,13 @@
 		CEFD30241CF4A0BD0030FC4C /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = BenchmarkTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.shoji.BenchmarkTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
diff --git a/Benchmark.xcodeproj/xcshareddata/xcschemes/Benchmark.xcscheme b/Benchmark.xcodeproj/xcshareddata/xcschemes/Benchmark.xcscheme
index d6f12d5..7e994c5 100644
--- a/Benchmark.xcodeproj/xcshareddata/xcschemes/Benchmark.xcscheme
+++ b/Benchmark.xcodeproj/xcshareddata/xcschemes/Benchmark.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0810"
+   LastUpgradeVersion = "0830"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"