fixed that wrong height calculated by fullpage.js fullpage.js calcuates wrong height when the page loaded because of the scrollbar, so set overflow to hidden to avoid it.
fixed that wrong height calculated by fullpage.js
fullpage.js calcuates wrong height when the page loaded because of the
scrollbar, so set overflow to hidden to avoid it.

sonicyang/chiphub,sonicyang/chiphub,sonicyang/chiphub