fix item free logic
fix item free logic

pscedu/slash2-stable,pscedu/pfl,pscedu/pfl,pscedu/pfl,pscedu/slash2-stable,pscedu/pfl,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable