一个程序源码中使用到了jni，我把项目运行时出现以下错误，求大神解答！！！
Information:Gradle tasks [:app:clean, :app:generateDebugSources, :app:mockableAndroidJar, :app:prepareDebugUnitTestDependencies, :app:generateDebugAndroidTestSources, :app:assembleDebug]
Warning:Deprecated NDK integration enabled by useDeprecatedNdk flag in gradle.properties will be removed from Android Gradle plugin soon.
D:\DevelopFile\android-ndk-r13b\build\core\add-application.mk
Error:(198) *** Android NDK: Aborting... . Stop.
Error:Execution failed for task ':dbf:compileReleaseNdk'.
com.android.ide.common.process.ProcessException: Error while executing 'D:\DevelopFile\android-ndk-r13b\ndk-build.cmd' with arguments {NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=F:\Android Code\LiaoNing\dbf\build\intermediates\ndk\release\Android.mk APP_PLATFORM=android-23 NDK_OUT=F:\Android Code\LiaoNing\dbf\build\intermediates\ndk\release\obj NDK_LIBS_OUT=F:\Android Code\LiaoNing\dbf\build\intermediates\ndk\release\lib APP_ABI=armeabi}
Information:BUILD FAILED
Information:Total time: 2.432 secs
Information:2 errors
Information:1 warning
Information:See complete output in console
