diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..ff6e21d
Binary files /dev/null and b/.DS_Store differ
diff --git a/StarReview.podspec b/StarReview.podspec
index d58b0b1..ecbaaad 100644
--- a/StarReview.podspec
+++ b/StarReview.podspec
@@ -16,7 +16,7 @@ Pod::Spec.new do |s|
   #
 
   s.name         = "StarReview"
-  s.version      = "0.0.3"
+  s.version      = "1.0.0"
   s.summary      = "StarReview is a iOS rate tool. it use star to rate something"
 
   # This description is used to generate tags and improve search results.
@@ -80,7 +80,7 @@ Pod::Spec.new do |s|
   #  Supports git, hg, bzr, svn and HTTP.
   #
 
-  s.source       = { :git => "https://github.com/DuckDeck/StarReview.git", :tag => "0.0.3" }
+  s.source       = { :git => "https://github.com/DuckDeck/StarReview.git", :tag => "1.0.0" }
 
 
   # ――― Source Code ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
diff --git a/StarReview/StarReview.swift b/StarReview/StarReview.swift
index e071b0e..662ccbc 100644
--- a/StarReview/StarReview.swift
+++ b/StarReview/StarReview.swift
@@ -195,7 +195,7 @@ public final class StarReview: UIControl {
             ctx?.setStrokeColor(starBackgroundColor.cgColor)
             ctx?.setLineCap(CGLineCap.butt)
             ctx?.move(to: CGPoint(x: p1.x, y: p1.y))
-            let angle = Float(4 * M_PI / 5)
+            let angle = Float(4 * Double.pi / 5)
             for i in 1...5{
                 let x = Float(starCenter.x) - sinf(angle * Float(i)) * Float(radius)
                 let y = Float(starCenter.y) - cosf(angle * Float(i)) * Float(radius)
diff --git a/StarReviewDemo/.DS_Store b/StarReviewDemo/.DS_Store
new file mode 100644
index 0000000..9bdd3e9
Binary files /dev/null and b/StarReviewDemo/.DS_Store differ
diff --git a/StarReviewDemo/StarReviewDemo.xcodeproj/project.pbxproj b/StarReviewDemo/StarReviewDemo.xcodeproj/project.pbxproj
index 4432b90..317da60 100644
--- a/StarReviewDemo/StarReviewDemo.xcodeproj/project.pbxproj
+++ b/StarReviewDemo/StarReviewDemo.xcodeproj/project.pbxproj
@@ -122,6 +122,7 @@
 				TargetAttributes = {
 					A20DD94B1C116E7A00F690E8 = {
 						CreatedOnToolsVersion = 7.1.1;
+						DevelopmentTeam = 76966J85NL;
 						LastSwiftMigration = 0800;
 					};
 				};
@@ -274,6 +275,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				DEVELOPMENT_TEAM = 76966J85NL;
 				INFOPLIST_FILE = StarReviewDemo/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
@@ -288,6 +290,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				DEVELOPMENT_TEAM = 76966J85NL;
 				INFOPLIST_FILE = StarReviewDemo/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";