When you let go of all your worries, I will accompany you to the end of the world. This song is "Waiting for You" sung by An Ke Chen. This lyric depicts an emotional transition, where one person expects and lets go of another. 
First of all, the word "treat you" expresses the selfless waiting and tolerance of one person towards another, while hoping that the other person will give him the right to move freely. It's like one person is waiting for the other to grow, let go of the past, and move on to the future together. 
Then, the word "Xu I" expresses the desire to share the moment of success and glory with the other person, and to pursue a romantic and beautiful love. It's like one person looking forward to creating good memories with another person and sharing each other's joys and sorrows. 
Finally, the term "light rice coarse tea" expresses the expectation that the other party will end the relationship with other people and is willing to live a simple and ordinary life with the other person. It's like one person is looking forward to spending the rest of their life with another person, enjoying an ordinary and real life. The lyrics of the whole song express one person's sincere feelings for another, as well as good expectations for the future. 
Treat You" song appreciation: Treat you rich and glorious, and promise me ten miles of peach blossoms, which means that you are willing to accompany each other to live a rich and beautiful life, and share the moment of success and happiness. However, it is a pity that I have never returned a home for the rest of my life, expressing my regret and sadness for not being able to get a complete family, and the misses, regrets and disappointments in life. It turned out that Jun's heart was not my heart, and he finally let go of the lovesickness, expressing the pain of admitting that the other party's mind was different from his own, but in the end he chose to let go of his thoughts about the other party and let go of his own happiness. This lyric depicts one person's struggle and sacrifice in love, attachment and dedication to another, and finally accepting reality, learning to let go, and seeking one's own happiness in regret.