1、fix some bugs；
SDV Cam is a streaming video surveillance software, which mainly implements the following functions:
1, real-time preview sports DV video screen.
2, can control the movement DV to take pictures, video operation.
3, sports DV-related settings function. Such as exposure, white balance, video resolution, image resolution and so on.
4, file management functions. Browse picture video files, device-side file download, file deletion and other functions.
