我找到了解决方案.首先，我重新安装更新的jdk和jre，然后重新启动.然后将keytool.exe复制到path，然后按照注释中建议的@IntelliJ Amiya进行更改.现在对我来说很好.

I found solution. First i reinstall the updated jdk and jre and then restart. and then copy keytool.exe to path and then change as per @IntelliJ Amiya suggested in comment. Now it works fine for me.