用cocos打包apk报错，是哪里出问题了啊？
Based on: cocos2d-x-3.6
Updated project.properties
Updated local.properties
Updated file D:\myco\vcgame\proj.android\proguard-project.txt
系统找不到指定的路径。
Running command: compile
Building mode: debug
Android platform not specified, searching a default one…
running: ‘“D:\cotool\android-sdk-windows\tools\android” update project -t android-20 -p D:\myco\vcgame\proj.android’
building native
NDK build mode: release
NDK_TOOLCHAIN_VERSION: 4.9
running: ‘“D:\cotool\android-ndk-r10d\ndk-build” -C D:\myco\vcgame\proj.android -j3 NDK_MODULE_PATH=C:\Cocos\frameworks/cocos2d-x-3.6;C:\Cocos\frameworks/cocos2d-x-3.6/cocos;C:\Cocos\frameworks/cocos2d-x-3.6/external NDK_TOOLCHAIN_VERSION=4.9’
Ndk build failed!