diff --git a/README.md b/README.md
index 0aa3d21..742591d 100644
--- a/README.md
+++ b/README.md
@@ -14,17 +14,17 @@ Now, you can click [this site](https://tinoguo.github.io/loading_indicator/) to
 
 ## Animation types
 
-| Type | Type | Type | Type |
-|---|---|---|---|
-|1. ballPulse | 2. ballGridPulse | 3. ballClipRotate | 4. squareSpin|
-|5. ballClipRotatePulse | 6. ballClipRotateMultiple | 7. ballPulseRise | 8. ballRotate|
-|9. cubeTransition | 10. ballZigZag | 11. ballZigZagDeflect | 12. ballTrianglePath|
-|13. ballTrianglePathColored | 14.ballTrianglePathColoredFilled | 15. ballScale | 16. lineScale|
-|17. lineScaleParty | 18. ballScaleMultiple | 19. ballPulseSync | 20. ballBeat|
-|21. lineScalePulseOut | 22. lineScalePulseOutRapid |23. ballScaleRipple | 24. ballScaleRippleMultiple|
-|25. ballSpinFadeLoader | 26. lineSpinFadeLoader | 27. triangleSkewSpin | 28. pacman|
-|29. ballGridBeat | 30. semiCircleSpin| 31. ballRotateChase | 32. orbit|
-|33. audioEqualizer | 34. circleStrokeSpin|
+| Type                        | Type                             | Type                  | Type                        |
+|-----------------------------|----------------------------------|-----------------------|-----------------------------|
+| 1. ballPulse                | 2. ballGridPulse                 | 3. ballClipRotate     | 4. squareSpin               |
+| 5. ballClipRotatePulse      | 6. ballClipRotateMultiple        | 7. ballPulseRise      | 8. ballRotate               |
+| 9. cubeTransition           | 10. ballZigZag                   | 11. ballZigZagDeflect | 12. ballTrianglePath        |
+| 13. ballTrianglePathColored | 14.ballTrianglePathColoredFilled | 15. ballScale         | 16. lineScale               |
+| 17. lineScaleParty          | 18. ballScaleMultiple            | 19. ballPulseSync     | 20. ballBeat                |
+| 21. lineScalePulseOut       | 22. lineScalePulseOutRapid       | 23. ballScaleRipple   | 24. ballScaleRippleMultiple |
+| 25. ballSpinFadeLoader      | 26. lineSpinFadeLoader           | 27. triangleSkewSpin  | 28. pacman                  |
+| 29. ballGridBeat            | 30. semiCircleSpin               | 31. ballRotateChase   | 32. orbit                   |
+| 33. audioEqualizer          | 34. circleStrokeSpin             |
 
 ## Installing
 Install the latest version from [pub](https://pub.dev/packages/loading_indicator)
diff --git a/README_CN.md b/README_CN.md
index 184b143..91c29ec 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -15,17 +15,17 @@
 
 ## 动画类型
 
-| Type | Type | Type | Type |
-|---|---|---|---|
-|1. ballPulse | 2. ballGridPulse | 3. ballClipRotate | 4. squareSpin|
-|5. ballClipRotatePulse | 6. ballClipRotateMultiple | 7. ballPulseRise | 8. ballRotate|
-|9. cubeTransition | 10. ballZigZag | 11. ballZigZagDeflect | 12. ballTrianglePath|
-|13. ballTrianglePathColored | 14.ballTrianglePathColoredFilled | 15. ballScale | 16. lineScale|
-|17. lineScaleParty | 18. ballScaleMultiple | 19. ballPulseSync | 20. ballBeat|
-|21. lineScalePulseOut | 22. lineScalePulseOutRapid |23. ballScaleRipple | 24. ballScaleRippleMultiple|
-|25. ballSpinFadeLoader | 26. lineSpinFadeLoader | 27. triangleSkewSpin | 28. pacman|
-|29. ballGridBeat | 30. semiCircleSpin| 31. ballRotateChase | 32. orbit|
-|33. audioEqualizer | 34. circleStrokeSpin|
+| Type                        | Type                             | Type                  | Type                        |
+|-----------------------------|----------------------------------|-----------------------|-----------------------------|
+| 1. ballPulse                | 2. ballGridPulse                 | 3. ballClipRotate     | 4. squareSpin               |
+| 5. ballClipRotatePulse      | 6. ballClipRotateMultiple        | 7. ballPulseRise      | 8. ballRotate               |
+| 9. cubeTransition           | 10. ballZigZag                   | 11. ballZigZagDeflect | 12. ballTrianglePath        |
+| 13. ballTrianglePathColored | 14.ballTrianglePathColoredFilled | 15. ballScale         | 16. lineScale               |
+| 17. lineScaleParty          | 18. ballScaleMultiple            | 19. ballPulseSync     | 20. ballBeat                |
+| 21. lineScalePulseOut       | 22. lineScalePulseOutRapid       | 23. ballScaleRipple   | 24. ballScaleRippleMultiple |
+| 25. ballSpinFadeLoader      | 26. lineSpinFadeLoader           | 27. triangleSkewSpin  | 28. pacman                  |
+| 29. ballGridBeat            | 30. semiCircleSpin               | 31. ballRotateChase   | 32. orbit                   |
+| 33. audioEqualizer          | 34. circleStrokeSpin             |
 
 ## 安装
 从[pub](https://pub.dev/packages/loading_indicator)安装最新版本。
diff --git a/analysis_options.yaml b/analysis_options.yaml
index a4dd3ac..b2213e6 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -2,7 +2,6 @@ include: package:flutter_lints/flutter.yaml
 
 linter:
   rules:
-    - prefer_equal_for_default_values
     - prefer_generic_function_type_aliases
     - slash_for_doc_comments
     - unawaited_futures
diff --git a/example/macos/Runner.xcodeproj/project.pbxproj b/example/macos/Runner.xcodeproj/project.pbxproj
index cc89c87..d9333e4 100644
--- a/example/macos/Runner.xcodeproj/project.pbxproj
+++ b/example/macos/Runner.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 51;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXAggregateTarget section */
@@ -182,7 +182,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0920;
-				LastUpgradeCheck = 0930;
+				LastUpgradeCheck = 1300;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
 					33CC10EC2044A3C60003C045 = {
@@ -235,6 +235,7 @@
 /* Begin PBXShellScriptBuildPhase section */
 		3399D490228B24CF009A79C7 /* ShellScript */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@@ -344,7 +345,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -423,7 +424,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -470,7 +471,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
index ae8ff59..7fd7126 100644
--- a/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ b/example/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/pubspec.yaml b/pubspec.yaml
index 6f85e07..0b92c91 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,7 +4,7 @@ version: 3.1.0
 homepage: https://github.com/TinoGuo/loading_indicator
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=3.0.0 <4.0.0"
   flutter: ">=2.0.0"
 
 dependencies: