make the static analyzer happy
make the static analyzer happy

KBvsMJ/JNWSpringAnimation,bb-coder/JNWSpringAnimation,yariksmirnov/JNWSpringAnimation,allpepo/JNWSpringAnimation,dourgulf/JNWSpringAnimation,taolong001/JNWSpringAnimation,jwilling/JNWSpringAnimation,MaWenxing/JNWSpringAnimation