fix local api invoke callback large content error

[SquatsTonight]

local API invoke 时，若 event 函数的 callback 内容过大，则会报错，问题复现步骤可见 这里

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}