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If we check this option, when the animation transitions, it will wait for the current animation to finish playing before transitioning to the next animation. If the current animation is a cyclic animation, it will wait for the transition when the current playback is complete, so when the animation needs to be transitioned immediately Remember to uncheck it.
In another case, when my current animation finishes playing, it will automatically switch to the next state pointed to by the arrow (there are no other jump conditions). At this time, this option must be checked, otherwise the animation will be stuck after the animation finishes playing. The last frame, if it is a looping animation, will keep looping. When any state switches to any state machine, there will be a can transition to self option. Checking this option can reset its own state.