Outsider goods owner commissioned Plaintiff freight forwarder (Defendant of counterclaim) to transport a batch of corn. Afterwards, the freight forwarder and Defendant carrier (Plaintiff of counterclaim) concluded the Waterway Transport Contract, the contract agreed to unloading time 8 days, if there was the delay in unloading goods, demurrage payment should be paid by the ship’s gross tonnage of 1 yuan/ton-day, and also agreed that the carrier should not unilaterally change the plan of carriage after receipt of the deposit, if you needed to change, you should get the consent of the freight forwarder, without the consent of the freight forwarder to change without authorization, the carrier needed to bear the responsibility of breach of contract, liquidated damages should be paid according to 3 times of the deposit. After the contract was concluded, the forwarder paid a deposit of 2,000 yuan.