sbt第一次驱动后，再次启动时报错

平台：windows
jdk：8
sbt：1.6.2
配置阿里云镜像
sbt第一次驱动后，再次启动时报错

报错：

[error] insecure HTTP request is unsupported 'http://repo1.maven.org/maven2/'; switch to HTTPS or opt-in as ("public" at "http://repo1.maven.org/maven2/").withAllowInsecureProtocol(true), or by using allowInsecureProtocol in repositories file
[error] insecure HTTP request is unsupported 'http://repo1.maven.org/maven2/'; switch to HTTPS or opt-in as ("public" at "http://repo1.maven.org/maven2/").withAllowInsecureProtocol(true), or by using allowInsecureProtocol in repositories file
[error] insecure HTTP request is unsupported 'http://repo1.maven.org/maven2/'; switch to HTTPS or opt-in as ("public" at "http://repo1.maven.org/maven2/").withAllowInsecureProtocol(true), or by using allowInsecureProtocol in repositories file
[error] java.lang.RuntimeException: insecure protocol is unsupported
[error]         at scala.sys.package$.error(package.scala:30)
[error]         at sbt.Classpaths$.errorInsecureProtocol(Defaults.scala:3324)
[error]         at sbt.Classpaths$.$anonfun$mkIvyConfiguration$1(Defaults.scala:3918)
[error]         at scala.Function1.$anonfun$compose$1(Function1.scala:49)
[error]         at sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:62)
[error]         at sbt.std.Transform$$anon$4.work(Transform.scala:68)
[error]         at sbt.Execute.$anonfun$submit$2(Execute.scala:282)
[error]         at sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:23)
[error]         at sbt.Execute.work(Execute.scala:291)
[error]         at sbt.Execute.$anonfun$submit$1(Execute.scala:282)
[error]         at sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:265)
[error]         at sbt.CompletionService$$anon$2.call(CompletionService.scala:64)
[error]         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error]         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[error]         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error]         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[error]         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[error]         at java.lang.Thread.run(Thread.java:748)
[error] java.lang.RuntimeException: insecure protocol is unsupported
[error]         at scala.sys.package$.error(package.scala:30)
[error]         at sbt.Classpaths$.errorInsecureProtocol(Defaults.scala:3324)
[error]         at sbt.coursierint.LMCoursier$.coursierConfiguration(LMCoursier.scala:169)
[error]         at sbt.coursierint.LMCoursier$.$anonfun$coursierConfigurationTask$1(LMCoursier.scala:224)
[error]         at scala.Function1.$anonfun$compose$1(Function1.scala:49)
[error]         at sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:62)
[error]         at sbt.std.Transform$$anon$4.work(Transform.scala:68)
[error]         at sbt.Execute.$anonfun$submit$2(Execute.scala:282)
[error]         at sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:23)
[error]         at sbt.Execute.work(Execute.scala:291)
[error]         at sbt.Execute.$anonfun$submit$1(Execute.scala:282)
[error]         at sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:265)
[error]         at sbt.CompletionService$$anon$2.call(CompletionService.scala:64)
[error]         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error]         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[error]         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error]         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[error]         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[error]         at java.lang.Thread.run(Thread.java:748)
[error] java.lang.RuntimeException: insecure protocol is unsupported
[error]         at scala.sys.package$.error(package.scala:30)
[error]         at sbt.Classpaths$.errorInsecureProtocol(Defaults.scala:3324)
[error]         at sbt.coursierint.LMCoursier$.coursierConfiguration(LMCoursier.scala:169)
[error]         at sbt.coursierint.LMCoursier$.$anonfun$scalaCompilerBridgeConfigurationTask$1(LMCoursier.scala:308)
[error]         at scala.Function1.$anonfun$compose$1(Function1.scala:49)
[error]         at sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:62)
[error]         at sbt.std.Transform$$anon$4.work(Transform.scala:68)
[error]         at sbt.Execute.$anonfun$submit$2(Execute.scala:282)
[error]         at sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:23)
[error]         at sbt.Execute.work(Execute.scala:291)
[error]         at sbt.Execute.$anonfun$submit$1(Execute.scala:282)
[error]         at sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:265)
[error]         at sbt.CompletionService$$anon$2.call(CompletionService.scala:64)
[error]         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error]         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[error]         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error]         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[error]         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[error]         at java.lang.Thread.run(Thread.java:748)
[error] (ivyConfiguration) insecure protocol is unsupported
[error] (csrConfiguration) insecure protocol is unsupported
[error] (scalaCompilerBridgeScope / csrConfiguration) insecure protocol is unsupported
[warn] Project loading failed: (r)etry, (q)uit, (l)ast, or (i)gnore? (default: r)