<fix>(qt): remove unuseful signal
<fix>(qt): remove unuseful signal

JShadowMan/package,JShadowMan/packages,JShadowMan/package,JShadowMan/packages,JShadowMan/packages,JShadowMan/packages,JShadowMan/packages,JShadowMan/packages,JShadowMan/packages,JShadowMan/package,JShadowMan/packages,JShadowMan/packages,JShadowMan/packages