unity 發佈的時候，報了以下錯誤。之前打包都是好好的，重裝系統後，打包出錯，但是沒有使用過.jks文件。最後重置了個jdk版本（jdk-8u191-windows-x64），發佈好了。記錄一下。
Error: java.io.IOException: Invalid keystore format
UnityEditor.HostView:OnGUI()
CommandInvokationFailure: Failed to build apk.
I:/jdk\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir="I:/android-sdk-6.0/android-sdk-windows\tools" -Dfile.encoding=UTF8 -jar "C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar" -
stderr[
Error: java.io.IOException: Invalid keystore format
]
stdout[
]
exit code: 255
UnityEditor.Android.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.Android.AndroidSDKTools.RunCommandInternal (System.String javaExe, System.String sdkToolsDir, System.String[] sdkToolCommand, Int32 memoryMB, System.String workingdir, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.Android.AndroidSDKTools.RunCommandSafe (System.String javaExe, System.String sdkToolsDir, System.String[] sdkToolCommand, Int32 memoryMB, System.String workingdir, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.HostView:OnGUI()
