Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
@changtj Hi, friend. Welcome.
Maybe some pointer is null. you should to debug it. To find which line of code has error.
@joeQ thks, i will find it. :)