It means perseverance.
The catalpa symbolizes the vigorous growth of plants, which means tenacity and vitality. "Complete" means completion, completion and polishing, symbolizing the completion of one stage and preparation for entering a new stage. The meaning of the name Zijun can be interpreted as a boy with perseverance, who will be full of vitality and able to thrive. At the same time, it also symbolizes the completion of a journey and preparation for a new stage.