我之前已为我的Angular项目设置了Travis CI进行CICD。这个工具自上线以来已经连续使用了两个月，一直运行良好，从未出现任何问题。但近两天内，我的构建一直失败，而且我无法从构建日志中找到确切的原因。
我并没有做出任何可能导致错误的更改。我只是做了一些TypeScript和HTML的修改，并没有安装新的软件包或在AWS端进行任何更改。
日志：
Deploying application
uploading "04.0284d042a6c29213aaa1.png" with {:content_type=>"image/png", :acl=>"public-read"}
uploading "Roboto-Bold.dc81817def276b4f2139.woff" with {:content_type=>"font/woff", :acl=>"public-read"}
uploading "arrow_left.270f72df47e036d9cfa1.svg" with {:content_type=>"image/svg+xml", :acl=>"public-read"}
uploading "fa-solid-900.1709a2810c3752483683.ttf" with {:content_type=>"font/ttf", :acl=>"public-read"}
uploading "Roboto-Regular.2751ee43015f9884c364.woff2" with {:content_type=>"font/woff2", :acl=>"public-read"}
/home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/seahorse/client/plugins/raise_response_errors.rb:15:in `call': The request signature we calculated does not match the signature you provided. Check your key and signing method. (Aws::S3::Errors::SignatureDoesNotMatch)
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/aws-sdk-core/plugins/s3_sse_cpk.rb:19:in `call'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/aws-sdk-core/plugins/s3_dualstack.rb:24:in `call'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/aws-sdk-core/plugins/s3_accelerate.rb:34:in `call'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/aws-sdk-core/plugins/jsonvalue_converter.rb:20:in `call'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/aws-sdk-core/plugins/idempotency_token.rb:18:in `call'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/aws-sdk-core/plugins/param_converter.rb:20:in `call'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/seahorse/client/plugins/response_target.rb:21:in `call'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/seahorse/client/request.rb:70:in `send_request'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-core-2.11.394/lib/seahorse/client/base.rb:207:in `block (2 levels) in define_operation_methods'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-resources-2.11.394/lib/aws-sdk-resources/services/s3/file_uploader.rb:42:in `block in put_object'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-resources-2.11.394/lib/aws-sdk-resources/services/s3/file_uploader.rb:49:in `open_file'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-resources-2.11.394/lib/aws-sdk-resources/services/s3/file_uploader.rb:41:in `put_object'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-resources-2.11.394/lib/aws-sdk-resources/services/s3/file_uploader.rb:34:in `upload'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/aws-sdk-resources-2.11.394/lib/aws-sdk-resources/services/s3/object.rb:252:in `upload_file'
from /home/travis/.rvm/gems/ruby-2.4.5/gems/dpl-s3-1.10.13/lib/dpl/provider/s3.rb:114:in `block (2 levels) in upload_multithreaded'
failed to deploy