Yanlin Jiang

Hi @klimlee , If you use setImmediate and observe at same time. Be sure load observe shim before setImmediate shim.

I'm not sure the best practice for `setImmediate` and `observe`. My issus is about http://polyfills.io. In fact I'm not use them before.

[0.31.0](https://github.com/tarojsx/library/releases/tag/v0.31.0) 已修复, 这个问题只出现在 production 环境, 之前没发现.

maybe my fault. only object path can define virtual append with dot. i don't know how mongoose do that. define a real property on that object? or intercept invoke on...