无法为dart下载stagehand

我一整天都在尝试下载stagehand，以便能够在vs代码中使用dart，但我一直遇到这个错误。已尝试使用VPN，但仍然不起作用。求你了，我需要帮助，需要它工作

PS C:\>  pub global activate stagehand
 Resolving dependencies...
 + args 1.6.0 
 + charcode 1.1.3
 + collection 1.14.13
 + http 0.12.2
 + http_parser 3.1.4
 + meta 1.2.4
 + path 1.7.0
 + pedantic 1.9.2
 + source_span 1.7.0
 + stagehand 3.3.11
 + string_scanner 1.0.5
 + term_glyph 1.1.0
 + typed_data 1.2.0
 + usage 3.4.2
 Downloading stagehand 3.3.11...
 HTTP error 403: Forbidden
 package:pub/src/http.dart 221:5                 _ThrowingClient.send
 ===== asynchronous gap ===========================
 package:http_throttle/http_throttle.dart 33:31  ThrottleClient.send
 ===== asynchronous gap ===========================
 package:pub/src/source/hosted.dart 399:37       BoundHostedSource._download
 ===== asynchronous gap ===========================
 package:pub/src/source/hosted.dart 266:13       BoundHostedSource.downloadToSystemCache
 package:pub/src/global_packages.dart 201:50     GlobalPackages._installInCache.<fn>.<fn>
 package:pub/src/http.dart 278:51                withDependencyType
 package:pub/src/global_packages.dart 197:14     GlobalPackages._installInCache.<fn>
 dart:async                                      Future.wait
 package:pub/src/global_packages.dart 196:18     GlobalPackages._installInCache
 dart:async                                      _completeOnAsyncReturn
 package:pub/src/solver/version_solver.dart      VersionSolver.solve
 dart:async                                      _completeOnAsyncReturn
 package:pub/src/source/hosted.dart              BoundHostedSource.withPrefetching
 dart:async                                      _completeOnAsyncReturn
 package:pub/src/rate_limited_scheduler.dart     RateLimitedScheduler.withPrescheduling
 dart:async                                      _completeOnAsyncReturn
 package:pub/src/source/hosted.dart              BoundHostedSource.withPrefetching.<fn>
 dart:async                                      _completeOnAsyncReturn
 package:pub/src/solver/version_solver.dart      VersionSolver.solve.<fn>  
 dart:async                                      _completeOnAsyncReturn
 package:pub/src/solver/version_solver.dart      VersionSolver._result
 This is an unexpected error. Please run

 pub --trace global activate stagehand

PS C:\>发布全局激活阶段和
正在解析依赖项。。。
+args 1.6.0
+字符代码1.1.3
+收集1.14.13
+http 0.12.2
+http_解析器3.1.4
+meta 1.2.4
+路径1.7.0
+迂腐的1.9.2
+来源：span 1.7.0
+阶段3.3.11
+字符串扫描程序1.0.5
+术语符号1.1.0
+类型化_数据1.2.0
+用法3.4.2
正在下载stagehand 3.3.11。。。
HTTP错误403：禁止
包：pub/src/http.dart 221:5\u ThrowingClient.send
======异步间隙===========================
包：http_throttle/http_throttle.dart 33:31 ThrottleClient.send
======异步间隙===========================
包：pub/src/source/hosted.dart 399:37 BoundHostedSource.\u下载
======异步间隙===========================
包：pub/src/source/hosted.dart 266:13 BoundHostedSource.downloadToSystemCache
包：pub/src/global\u packages.dart 201:50 GlobalPackages.\u installInCache。。
包：pub/src/http.dart 278:51，带DependencyType
包：pub/src/global\u packages.dart 197:14 GlobalPackages.\u installInCache。
dart:async Future.wait
包：pub/src/global\u packages.dart 196:18 GlobalPackages.\u installInCache
dart:async\u completeOnAsyncReturn
包：pub/src/solver/version\u solver.dart VersionSolver.solve
dart:async\u completeOnAsyncReturn
包：pub/src/source/hosted.dart BoundHostedSource.withPrefetching
dart:async\u completeOnAsyncReturn
包：pub/src/rate\u limited\u scheduler.dart rate limitedscheduler.withPrescheduling
dart:async\u completeOnAsyncReturn
包：pub/src/source/hosted.dart BoundHostedSource.withPrefetching。
dart:async\u completeOnAsyncReturn
包：pub/src/solver/version\u solver.dart VersionSolver.solve。
dart:async\u completeOnAsyncReturn
包：pub/src/solver/version\u solver.dart VersionSolver.\u结果
这是一个意外错误。请跑
pub——跟踪全局激活stagehand

我已经解决了我的问题。是的，我试过酒吧——全球追踪，也没用。安装颤振SDK和android studio后，该软件包已成功下载。很明显，舞台上有一个飞舞飞鸟，你已经有了它。如果您没有给出403禁止值。

您是否尝试了错误提示<代码>发布--跟踪全局激活阶段和