save() not work on ESP32

A simple code like this:

function setup_sim800c() {
console.log("Hello, SIM800C!");
}

E.on('init', function(){setup_sim800c();});

then click send to Espruino button, after done, enter "save()" in left IDE window:

save()
=undefined
Erasing Flash..................
Writing.....
Compressed 80000 bytes to 3036
Checking...
Done!
Hello, SIM800C!

things seams OK, but reset the board, nothing printed. setup_sim800c symbol is not found either.
...
Loading 3036 bytes from flash..