我有一个工作的科尔多瓦应用程序，我想使用人行横道。按照https://crosswalk-project.org/documentation/cordova/develop_an_application.html上的迁移说明，当我尝试构建应用程序时遇到以下错误$ cordova build android
BUILD FAILED
C:\Users\Admin\Desktop\adt-bundle-windows-x86_64-20140702\sdk\tools\ant\build.xm
l:720: The following error occurred while executing this line:
C:\Users\Admin\Desktop\adt-bundle-windows-x86_64-20140702\sdk\tools\ant\build.xm
l:734: Compile failed; see the compiler error output for details.
Total time: 4 seconds
C:\Users\Admin\Desktop\Kopfrechnen - Kopie\platforms\android\cordova\node_module
s\q\q.js:126
throw e;
^
Error code 1 for command: cmd with args: /s,/c,ant,debug,-f,C:\Users\Admin\Deskt
op\Kopfrechnen - Kopie\platforms\android\build.xml,-Dout.dir=ant-build,-Dgen.abs
olute.dir=ant-gen
Error: cmd: Command failed with exit code 8
at ChildProcess.whenDone (C:\Users\Admin\AppData\Roaming\npm\node_modules\co
rdova\node_modules\cordova-lib\src\cordova\superspawn.js:135:23)
at ChildProcess.emit (events.js:98:17)
at maybeClose (child_process.js:756:16)
at Process.ChildProcess._handle.onexit (child_process.js:823:5)
我不知道问题是什么，我一步一步地按照说明进行操作。谁能帮我？：-/