cordova发布APK失败是怎么回事?报错

报错：

FAILURE: Build failed with an exception.


* What went wrong:
Execution failed for task ':processReleaseManifest'.
> Manifest merger failed with multiple errors, see logs


* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug
option to get more log output.


BUILD FAILED


Total time: 5.5 secs


D:\hcht\platforms\android\cordova\node_modules\q\q.js:126
                    throw e;
                          ^
Error code 1 for command: cmd with args: /s /c "D:\hcht\platforms\android\gradle
w cdvBuildRelease -b D:\hcht\platforms\android\build.gradle -Dorg.gradle.daemon=
true"
ERROR building one of the platforms: Error: D:\hcht\platforms\android\cordova\bu
ild.bat: Command failed with exit code 1
You may not have the required environment or OS to build this project
Error: D:\hcht\platforms\android\cordova\build.bat: Command failed with exit cod
e 1
    at ChildProcess.whenDone (C:\Users\dell\AppData\Roaming\npm\node_modules\cor
dova\node_modules\cordova-lib\src\cordova\superspawn.js:131:23)
    at ChildProcess.emit (events.js:110:17)
    at maybeClose (child_process.js:1015:16)
    at Process.ChildProcess._handle.onexit (child_process.js:1087:5)
打不出release包来，因为添加了com.synconset.imagepicker这个插件怎么解决这个