Fix 5: The qualitative analysis of operator 19.

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Fix 6: The layout of main window.

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Fix 7: The qualitative result of split point.

Signed-off-by: CyberZHG <CyberZHG@gmail.com>