How does Zhongtong applet cancel the complaint?

After the user complains about the courier company, he can't cancel the complaint by himself. At present, in addition to calling customer service, I can only wait for customer service to contact you. Tell her the complaint has been dropped.

I accidentally made a mistake. Don't want to complain when it's time to wake up. I want to cancel this complaint. I called 953 1 1 and said it had been cancelled. You can also see it on the official WeChat account. I'm afraid the courier will be punished.