Legal analysis: Quark will be sued for civil liability. Quark belongs to a lending institution, and there is a contractual relationship between the two parties. The other party has reason to bring a lawsuit to the people's court.

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

Article 577 Where a party fails to perform its contractual obligations or fails to perform its contractual obligations in conformity with the contract, it shall be liable for breach of contract such as continuing to perform, taking remedial measures or compensating for losses.

Article 579 If one party fails to pay the price, remuneration, rent or interest, or fails to perform other monetary obligations, the other party may demand payment.