Ionic build android problem

hi,when I build android ,I found one problem.
C:\Users\zendyzhan\tabapp>ionic build android
Running command: “D:\Program Files\nodejs\node.exe” C:\Users\zendyzhan\tabapp\ho
oks\after_prepare\010_add_platform_class.js C:\Users\zendyzhan\tabapp
add to body class: platform-android
Running command: “D:\Program Files\nodejs\node.exe” C:\Users\zendyzhan\tabapp\ho
oks\after_prepare\020_remove_sass_from_platforms.js C:\Users\zendyzhan\tabapp
Running command: C:\Users\zendyzhan\tabapp\platforms\android\cordova\build.bat
ERROR building one of the platforms: Error: C:\Users\zendyzhan\tabapp\platforms
android\cordova\build.bat: Command failed with exit code 2
You may not have the required environment or OS to build this project
Error: C:\Users\zendyzhan\tabapp\platforms\android\cordova\build.bat: Command fa
iled with exit code 2
at ChildProcess.whenDone (C:\Users\zendyzhan\AppData\Roaming\npm\node_module
s\cordova\node_modules\cordova-lib\src\cordova\superspawn.js:131:23)
at ChildProcess.EventEmitter.emit (events.js:98:17)
at maybeClose (child_process.js:743:16)
at Process.ChildProcess._handle.onexit (child_process.js:810:5)

any one could help me