I found that
when SVP-shader is changed to "13. Standard",the problem will be solved.
when SVP-shader is changed to "2. Simple bidirectional",the screen will be a bit broke.

The following is an additional information.

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Last processed file parameters:
Filename: [SC-OL][Shakugan no Shana III][10][MKV][X264_AAC][1280X720][6AA62E40].mkv
Frame size and frame rate: 1280x720 pixels, 23.98 fps

Detected monitor parameters
Screen size and refresh rate: 1440x900 pixels, 74.983 Hz

Video smoothing info
Smooth factor: 25:8
Resulting video frame rate: 74.938 fps

Current detected profile: 1280x720@24

Profile settings of video processing
[ExMethod=MSmoothFps_ByPixel]    Smoothness improvement: Normal
[ExAlgo=1]            SVP-shader: 1. Simple
[ExMulti=MON]            Framerate change: To screen refresh rate
[ExMiniCount=1:1]        Interpolated frames size: Full size
[ExRad=2p]            Search radius: 2 pixels
[ExSearch=4]            Search type: Hexagon
[ExPel=1]            Motion estimation accuracy: To pixel
[ExRecalc=0]            Recalculation of vectors: Do not recalculate
[ExBlockSize=16x16]        Blocks size: 16x16 pixels
[ExOverlap=0]            Blocks overlapping: No overlap
[ExSadml=100]            Bad areas artifacts suppression: Normal
[ExSadgamma=1]            Bad areas artifacts mask: Normal
[ExBlend=false]            Processing of scene change: Frame repeating
[ExDwnResize=0]            Reduce resolution: Do not reduce
[ExConvertFps=false]        Frame blending to screen refresh-rate:false

Settings by menu
[svp_libflowgpu=1]        GPU-acceleration (OpenCL): true
[ExTreads=0]            Number of threads: Auto
[Borderlight=0]            Light at black borders: false
[ExStretch=0]            Frame stretch: Do not stretch
[ExCrop=-1]            Cropping: Do not crop
[VDelay=0]            Video delay: 0 ms
[ExDemo=0]            Demonstration mode: false
[ExTearingTest=0]        Tearing test: false
[EFrameDoubling=0]        Emergency framedoubling: false
[StopSmoothDelayOnRewind=1]    Smooth on rewind: Turn off by 1 sec

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https://sites.google.com/site/eruption820214/home/2.png
GPU-acceleration is enabled.

https://sites.google.com/site/eruption820214/home/2_nor.png
GPU-acceleration is disabled.

player: Daum PotPlayer 1.5.31006
Render: EVR CP
Splitter: LAV Splitter
driver: AMD Catalyst 11.12 (When driver is update to "12.1 preview",OpenCL doesn't still work normally)
Graphics Card: AMD Radeon HD 6850

How to solve this problem??