diff --git a/Adobe Downloader.xcodeproj/project.pbxproj b/Adobe Downloader.xcodeproj/project.pbxproj
index 04f31e5..a1e4530 100644
--- a/Adobe Downloader.xcodeproj/project.pbxproj	
+++ b/Adobe Downloader.xcodeproj/project.pbxproj	
@@ -24,7 +24,7 @@
 		3C60E1C22CE3AA0B00600C07 /* CopyFiles */ = {
 			isa = PBXCopyFilesBuildPhase;
 			buildActionMask = 2147483647;
-			dstPath = Contents/Library/LaunchServices;
+			dstPath = Contents/Library/LaunchDaemons;
 			dstSubfolderSpec = 1;
 			files = (
 				3C60E1C32CE3AA1B00600C07 /* com.x1a0he.macOS.Adobe-Downloader.helper in CopyFiles */,
@@ -48,9 +48,22 @@
 		};
 /* End PBXFileSystemSynchronizedBuildFileExceptionSet section */
 
+/* Begin PBXFileSystemSynchronizedGroupBuildPhaseMembershipExceptionSet section */
+		3C4396F72E2C0AC20052FBEB /* Exceptions for "AdobeDownloaderHelperTool" folder in "Copy Files" phase from "Adobe Downloader" target */ = {
+			isa = PBXFileSystemSynchronizedGroupBuildPhaseMembershipExceptionSet;
+			buildPhase = 3C60E1C22CE3AA0B00600C07 /* CopyFiles */;
+			membershipExceptions = (
+				"com.x1a0he.macOS.Adobe-Downloader.helper.plist",
+			);
+		};
+/* End PBXFileSystemSynchronizedGroupBuildPhaseMembershipExceptionSet section */
+
 /* Begin PBXFileSystemSynchronizedRootGroup section */
 		3C60E16E2CE3A6CB00600C07 /* AdobeDownloaderHelperTool */ = {
 			isa = PBXFileSystemSynchronizedRootGroup;
+			exceptions = (
+				3C4396F72E2C0AC20052FBEB /* Exceptions for "AdobeDownloaderHelperTool" folder in "Copy Files" phase from "Adobe Downloader" target */,
+			);
 			path = AdobeDownloaderHelperTool;
 			sourceTree = "<group>";
 		};
@@ -165,7 +178,7 @@
 			attributes = {
 				BuildIndependentTargetsInParallel = 1;
 				LastSwiftUpdateCheck = 1610;
-				LastUpgradeCheck = 1620;
+				LastUpgradeCheck = 1640;
 				TargetAttributes = {
 					3C60E16C2CE3A6CB00600C07 = {
 						CreatedOnToolsVersion = 16.1;
@@ -232,7 +245,6 @@
 				CODE_SIGN_ENTITLEMENTS = AdobeDownloaderHelperTool/AdobeDownloaderHelperTool.entitlements;
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = TG862GVKHK;
 				ENABLE_HARDENED_RUNTIME = NO;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = AdobeDownloaderHelperTool/Info.plist;
@@ -251,6 +263,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = "com.x1a0he.macOS.Adobe-Downloader.helper";
 				PRODUCT_NAME = "com.x1a0he.macOS.Adobe-Downloader.helper";
+				REGISTER_APP_GROUPS = YES;
 				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
@@ -261,7 +274,6 @@
 				CODE_SIGN_ENTITLEMENTS = AdobeDownloaderHelperTool/AdobeDownloaderHelperTool.entitlements;
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = TG862GVKHK;
 				ENABLE_HARDENED_RUNTIME = NO;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
 				INFOPLIST_FILE = AdobeDownloaderHelperTool/Info.plist;
@@ -279,6 +291,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = "com.x1a0he.macOS.Adobe-Downloader.helper";
 				PRODUCT_NAME = "com.x1a0he.macOS.Adobe-Downloader.helper";
+				REGISTER_APP_GROUPS = YES;
 				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
@@ -319,6 +332,7 @@
 				COPY_PHASE_STRIP = NO;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
+				DEVELOPMENT_TEAM = TG862GVKHK;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
@@ -384,6 +398,7 @@
 				COPY_PHASE_STRIP = NO;
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				DEVELOPMENT_TEAM = TG862GVKHK;
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
@@ -416,10 +431,9 @@
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 202;
+				CURRENT_PROJECT_VERSION = 210;
 				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_ASSET_PATHS = "\"Adobe Downloader/Preview Content\"";
-				DEVELOPMENT_TEAM = TG862GVKHK;
 				ENABLE_HARDENED_RUNTIME = NO;
 				ENABLE_PREVIEWS = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
@@ -431,8 +445,8 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
-				MARKETING_VERSION = 2.0.2;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
+				MARKETING_VERSION = 2.1;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.x1a0he.macOS.Adobe-Downloader";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -450,10 +464,9 @@
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 202;
+				CURRENT_PROJECT_VERSION = 210;
 				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_ASSET_PATHS = "\"Adobe Downloader/Preview Content\"";
-				DEVELOPMENT_TEAM = TG862GVKHK;
 				ENABLE_HARDENED_RUNTIME = NO;
 				ENABLE_PREVIEWS = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = NO;
@@ -465,8 +478,8 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
-				MARKETING_VERSION = 2.0.2;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
+				MARKETING_VERSION = 2.1;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.x1a0he.macOS.Adobe-Downloader";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
diff --git a/Adobe Downloader.xcodeproj/xcshareddata/xcschemes/Adobe Downloader.xcscheme b/Adobe Downloader.xcodeproj/xcshareddata/xcschemes/Adobe Downloader.xcscheme
index a71041f..00d55b3 100644
--- a/Adobe Downloader.xcodeproj/xcshareddata/xcschemes/Adobe Downloader.xcscheme	
+++ b/Adobe Downloader.xcodeproj/xcshareddata/xcschemes/Adobe Downloader.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1620"
+   LastUpgradeVersion = "1640"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -31,7 +31,7 @@
       shouldAutocreateTestPlan = "YES">
    </TestAction>
    <LaunchAction
-      buildConfiguration = "Debug"
+      buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
       launchStyle = "0"
diff --git a/Adobe Downloader.xcodeproj/xcuserdata/hejinhui.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist b/Adobe Downloader.xcodeproj/xcuserdata/hejinhui.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
index f0659ec..e0b3270 100644
--- a/Adobe Downloader.xcodeproj/xcuserdata/hejinhui.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist	
+++ b/Adobe Downloader.xcodeproj/xcuserdata/hejinhui.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist	
@@ -20,22 +20,6 @@
             landmarkType = "0">
          </BreakpointContent>
       </BreakpointProxy>
-      <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
-         <BreakpointContent
-            uuid = "1C96B561-A597-47BB-9DD8-F398805CB1B5"
-            shouldBeEnabled = "No"
-            ignoreCount = "0"
-            continueAfterRunningActions = "No"
-            filePath = "Adobe Downloader/Utils/InstallManager.swift"
-            startingColumnNumber = "9223372036854775807"
-            endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "81"
-            endingLineNumber = "81"
-            landmarkName = "getAdobeInstallLogDetails()"
-            landmarkType = "7">
-         </BreakpointContent>
-      </BreakpointProxy>
       <BreakpointProxy
          BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
          <BreakpointContent
diff --git a/Adobe Downloader/Views/CleanConfigView.swift b/Adobe Downloader/Views/CleanConfigView.swift
index 200d1ec..e4ff9eb 100644
--- a/Adobe Downloader/Views/CleanConfigView.swift	
+++ b/Adobe Downloader/Views/CleanConfigView.swift	
@@ -110,7 +110,7 @@ struct CleanConfigView: View {
             if helperStatus == .installed {
                 ModernPrivilegedHelperManager.shared.executeCommand("open -a Terminal \(scriptURL.path)") { output in
                     if output.starts(with: "Error") {
-                        alertMessage = "清空配置失败: \(output)"
+                        alertMessage = String(localized: "清空配置失败: \(output)")
                         showAlert = true
                     } else {
                         DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
@@ -136,7 +136,7 @@ struct CleanConfigView: View {
             }
 
         } catch {
-            alertMessage = "清空配置失败: \(error.localizedDescription)"
+            alertMessage = String(localized: "清空配置失败: \(error.localizedDescription)")
             showAlert = true
         }
     }
diff --git a/Adobe Downloader/Views/CustomDownloadView.swift b/Adobe Downloader/Views/CustomDownloadView.swift
index 9327134..50d2ba7 100644
--- a/Adobe Downloader/Views/CustomDownloadView.swift	
+++ b/Adobe Downloader/Views/CustomDownloadView.swift	
@@ -101,7 +101,7 @@ struct CustomDownloadView: View {
         
         for dependencyInfo in dependencyInfos {
             await MainActor.run {
-                loadingState.currentTask = "正在处理 \(dependencyInfo.sapCode) 的包信息..."
+                loadingState.currentTask = String(localized: "正在处理 \(dependencyInfo.sapCode) 的包信息...")
             }
             
             let jsonString = try await globalNetworkService.getApplicationInfo(buildGuid: dependencyInfo.buildGuid)
diff --git a/Adobe Downloader/Views/NavigationCustomDownloadView.swift b/Adobe Downloader/Views/NavigationCustomDownloadView.swift
index e6d1fef..cc81ac6 100644
--- a/Adobe Downloader/Views/NavigationCustomDownloadView.swift	
+++ b/Adobe Downloader/Views/NavigationCustomDownloadView.swift	
@@ -141,7 +141,7 @@ struct NavigationCustomDownloadView: View {
         
         for dependencyInfo in dependencyInfos {
             await MainActor.run {
-                loadingState.currentTask = "正在处理 \(dependencyInfo.sapCode) 的包信息..."
+                loadingState.currentTask = String(localized: "正在处理 \(dependencyInfo.sapCode) 的包信息...")
             }
             
             let jsonString = try await globalNetworkService.getApplicationInfo(buildGuid: dependencyInfo.buildGuid)
diff --git a/Localizables/Localizable.xcstrings b/Localizables/Localizable.xcstrings
index 588ad78..f327135 100644
--- a/Localizables/Localizable.xcstrings
+++ b/Localizables/Localizable.xcstrings
@@ -1654,7 +1654,7 @@
         "en" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Existed"
+            "value" : "Exists"
           }
         }
       }
@@ -2570,7 +2570,6 @@
       }
     },
     "正在处理 %@ 的包信息..." : {
-      "extractionState" : "stale",
       "localizations" : {
         "en" : {
           "stringUnit" : {
@@ -2779,6 +2778,9 @@
           }
         }
       }
+    },
+    "没有写入权限" : {
+
     },
     "没有找到产品" : {
       "localizations" : {
@@ -2871,6 +2873,16 @@
         }
       }
     },
+    "清空配置失败: %@" : {
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Failed to clear configuration: %@"
+          }
+        }
+      }
+    },
     "点击切换选择状态" : {
       "localizations" : {
         "en" : {
@@ -3027,7 +3039,7 @@
         "en" : {
           "stringUnit" : {
             "state" : "translated",
-            "value" : "Confirm Cancel"
+            "value" : "Confirm"
           }
         }
       }
@@ -3266,6 +3278,9 @@
           }
         }
       }
+    },
+    "自行安装命令" : {
+
     },
     "自行安装命令:" : {
       "localizations" : {
@@ -3544,6 +3559,16 @@
         }
       }
     },
+    "选择要清理的内容" : {
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Select the content to clean up"
+          }
+        }
+      }
+    },
     "通用" : {
       "localizations" : {
         "en" : {
@@ -3634,6 +3659,16 @@
         }
       }
     },
+    "重置程序" : {
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Reset Program"
+          }
+        }
+      }
+    },
     "重试" : {
       "localizations" : {
         "en" : {
diff --git a/appcast.xml b/appcast.xml
index 3c77ebb..7819aaa 100644
--- a/appcast.xml
+++ b/appcast.xml
@@ -2,6 +2,38 @@
 <rss xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle" version="2.0">
     <channel>
         <title>Adobe Downloader</title>
+        <item>
+            <title>2.1</title>
+            <pubDate>Sun, 20 Jul 2025 13:05:23 +0800</pubDate>
+            <sparkle:version>210</sparkle:version>
+            <sparkle:shortVersionString>2.1</sparkle:shortVersionString>
+            <sparkle:minimumSystemVersion>13.0</sparkle:minimumSystemVersion>
+            <enclosure url="https://github.com/X1a0He/Adobe-Downloader/releases/download/2.1.0/Adobe.Downloader.dmg" length="4859082" type="application/octet-stream" sparkle:edSignature="/kj3r/o+4sZSlFxS0/T0tI3ju7pKD1oFeJNhUh9++gafwnDYY1mVVy0CRzetVU3R6jw9uz+liEvl6rYmkrKKCg=="/>
+            <description>
+                <![CDATA[
+                    <style>ul{margin-top: 0;margin-bottom: 7;padding-left: 18;}</style>
+                    <h4>Adobe Downloader 更新日志: </h4>
+                    <ul>
+                        <li>1. 新增安装前终止 Setup 的特性</li>
+                        <li>2. 新增并发下载数控制</li>
+                        <li>3. 重写版本选择界面，采用 NavigationStack 的特性支持版本选择和自定义包选择</li>
+                        <li>4. 重写下载逻辑，支持线程池 + 分片的单任务多个包同时下载</li>
+                        <li>5. 重写 Helper 逻辑，使用 macOS 13.0+ 的 SMAppService 新特性</li>
+                        <li>6. 调整 Helper 链接状态的呼吸灯表现</li>
+                    </ul>
+                    <hr>
+                    <h4>Adobe Downloader Changes: </h4>
+                    <ul>
+                        <li>1. Added feature to cancel Setup before installation.</li>
+                        <li>2. Added concurrency control for downloads.</li>
+                        <li>3. Rewritten version selection interface using NavigationStack with package customization.</li>
+                        <li>4. Rewritten download logic with thread pooling + segmented downloading for parallel package fetching.</li>
+                        <li>5. Rewritten Helper logic using SMAppService \(macOS 13.0+\).</li>
+                        <li>6. Refined breathing light indicator for Helper connection status.</li>
+                    </ul>
+                ]]>
+            </description>
+        </item>
         <item>
             <title>2.0.2</title>
             <pubDate>Wed, 23 Apr 2025 23:06:42 +0800</pubDate>
diff --git a/readme-en.md b/readme-en.md
index 94f0cce..fe950eb 100644
--- a/readme-en.md
+++ b/readme-en.md
@@ -8,7 +8,8 @@
 
 > ⚠️ This repository does not support any PR submission
 
-**🍎Only for macOS 12.0+.**
+**Due to the rewritten Helper in v2.1, the minimum macOS requirement is now 13.0+ (no longer supports 12.0).**
+**🍎Only for macOS 13.0+.**
 
 > **If you like Adobe Downloader, or it helps you, please Star🌟 it.**
 >
@@ -67,14 +68,15 @@ when prompted.
 
 - For historical update logs, please go to [Update Log](update-log.md)
 
-- 2025-04-23 Update Log
+- 2025-07-20 Update Log
 
 ```markdown
-1. Fixed an issue where dependency package detection on Intel-based models mistakenly identified osx10 as ARM architecture, leading to incorrect downloads.
-2. Resolved text display issues in the settings interface header.
-3. Adjusted the height of the download management interface from 500 to 600.
-4. Added functionality to copy all product and package list information in download tasks.
-5. Optimized display handling for the product Substance Alchemist.
+1. Added feature to cancel Setup before installation.
+2. Added concurrency control for downloads.
+3. Rewritten version selection interface using NavigationStack with package customization.
+4. Rewritten download logic with thread pooling + segmented downloading for parallel package fetching.
+5. Rewritten Helper logic using SMAppService \(macOS 13.0+\).
+6. Refined breathing light indicator for Helper connection status.
 ```
 
 ### Language friendly
diff --git a/readme.md b/readme.md
index a57f9f7..7090c40 100644
--- a/readme.md
+++ b/readme.md
@@ -8,7 +8,8 @@
 
 > ⚠️ 本仓库不支持任何 Pr 提交
 
-**🍎仅支持 macOS 12.0+**
+**由于 2.1 版本重写了 Helper，所以最低支持版本不再为 macOS 12.0+**
+**🍎仅支持 macOS 13.0+**
 
 > **如果你也喜欢 Adobe Downloader, 或者对你有帮助, 请 Star 仓库吧 🌟, 你的支持是我更新的动力**
 >
@@ -57,14 +58,15 @@
 
 - 更多关于 App 的更新日志，请查看 [Update Log](update-log.md)
 
-- 2025-04-23 更新日志
+- 2025-07-20 更新日志
 
 ```markdown
-1. 修复了 Intel 机型下依赖包判断遇到 osx10 被误判为 arm 导致下载错误的问题
-2. 修复了设置界面上方的文字显示问题
-3. 调整下载管理界面的高度: 500 -> 600
-4. 新增下载任务复制所有产品和包列表信息
-5. 优化产品 Substance Alchemist 的显示问题
+1. 新增安装前终止 Setup 的特性
+2. 新增并发下载数控制
+3. 重写版本选择界面，采用 NavigationStack 的特性支持版本选择和自定义包选择
+4. 重写下载逻辑，支持线程池 + 分片的单任务多个包同时下载
+5. 重写 Helper 逻辑，使用 macOS 13.0+ 的 SMAppService 新特性
+6. 调整 Helper 链接状态的呼吸灯表现
 ```
 
 ### 语言支持
diff --git a/update-log.md b/update-log.md
index 88fa07c..bfb677b 100644
--- a/update-log.md
+++ b/update-log.md
@@ -1,5 +1,26 @@
 # Change Log
 
+## 2025-07-20 更新日志
+
+[//]: # (2.1)
+```markdown
+1. 新增安装前终止 Setup 的特性
+2. 新增并发下载数控制
+3. 重写版本选择界面，采用 NavigationStack 的特性支持版本选择和自定义包选择
+4. 重写下载逻辑，支持线程池 + 分片的单任务多个包同时下载
+5. 重写 Helper 逻辑，使用 macOS 13.0+ 的 SMAppService 新特性
+6. 调整 Helper 链接状态的呼吸灯表现
+
+====================
+
+1. Added feature to cancel Setup before installation.
+2. Added concurrency control for downloads.
+3. Rewritten version selection interface using NavigationStack with package customization.
+4. Rewritten download logic with thread pooling + segmented downloading for parallel package fetching.
+5. Rewritten Helper logic using SMAppService \(macOS 13.0+\).
+6. Refined breathing light indicator for Helper connection status.
+```
+
 ## 2025-04-23 更新日志
 
 [//]: # (2.0.2)