Legal analysis: If one party breaches the contract after paying the deposit, then the deposit cannot be returned. If you fail to perform the agreed debts, you shall double the deposit. The deposit shall not exceed 20% of the total contract amount. Beyond the specific provisions, beyond the part is invalid, not double indemnity. According to the relevant laws and regulations, one party should pay the deposit to the other party as the guarantee of creditor's rights. After the debtor performs the debt, the deposit shall be used as the price or recovered. If the party paying the deposit fails to perform the agreed debt, it has no right to demand the return of the deposit; If the party receiving the deposit fails to perform the agreed debt, it shall return the deposit twice.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 586 The parties may agree that one party shall pay a deposit to the other party as security for the creditor's rights. The deposit contract is established when the deposit is actually paid. The amount of the deposit shall be agreed by the parties; However, it shall not exceed 20% of the subject matter of the main contract, and the excess shall not have the effect of deposit. If the actual amount of deposit paid is more than or less than the agreed amount, it shall be deemed as a change of the agreed amount of deposit.

Article 587 Where the debtor performs the debt, the deposit shall be set off as the price or recovered. If the party paying the deposit fails to perform the debt or the performance of the debt is not in conformity with the agreement, thus the purpose of the contract cannot be achieved, it has no right to request the return of the deposit; If the party receiving the deposit fails to perform the debt or the performance of the debt does not conform to the agreement, so that the purpose of the contract cannot be achieved, the deposit shall be returned twice.