pinch is bad with table on Galaxy Tab S2

[MvCraK]

mc.on("pinch")

Example
start pinch the e.scale is true, about 0.5s after,the e.scale from 1.212 change 8.12312 suddenly!!! the deltaX or Y will form 12,12 change -241,-252.then pinch doesn't work

[MvCraK]

chrome is ok
default browser(image pinch ok,table pinch bad)

[MvCraK]

when table overflow:auto, pinch will pinchcancel,then e.scale will to change very large