1, first of all now based on tips official website to see if they are not written on the canvas in the component
2, and see that he is not set config = { "disableScroll": true } in the config, if set to be removed.
3, to see if it is the outermost layer of the tag is defined page height: 100% of attributes or properties associated overflow, if it is removed.
4, if the above methods are used is not resolved, then check your canvas element is the parent of all the set height: 100%, overflow-related properties (except visible), as well as position-related properties (relative, static the exception), and if so are removed.
Note: The project bug in the real test, chart jitter serious, because the page contains the scroll-view point jump label aiming to achieve the final solution: Cancel the scroll-view label solved chart jitter problem;