Why is there no effect when a "CCMotionStreak" node run "CCMoveTo" or "CCFollow"?

cocos2d-x C++
#1

According to the inheritance daigram, CCMotionStreak is inherited from CCNode. But when CCMotionStreak run “CCMoveTo” action, it can not generate dragging fade effect. why?

#2

please refer to MotionStreakTest in testcpp.

#3

please refer to MotionStreakTest in testcpp.
by Shujun Qiao
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Yes. MotionStreakTest example run a schedule to continually change CCMotionStreak’s position, but is there any difference between “run a schedule to continually change CCMotionStreak’s position” and “Run a CCMoveTo Action”?