Script attached to 'Canvas' is missing or invalid

Creator 2.x
#1

creator 2.1.0 用我原先的项目后正常调试没问题，打包后报 Script attached to ‘Canvas’ is missing or invalid问题
脚本都没执行

#3

Canvas上面的脚本有问题，检查一下

#4

你好！你这个问题是怎么出现的，有解决吗？

#5

http://discuss.cocos2d-x.org/t/how-to-resolve-missing-scripts-in-cocos-creator/32294/4