always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 always 1.0 544844ӥһβ