The solution to the suspension of Hangzhou United Bank's revolving loan contract is as follows:

1. Contact the bank: directly contact the relevant customer service staff of the bank by phone or at the bank counter to learn about the suspension of the loan. Please provide the specific reasons and discuss solutions with bank staff.

2. Complete the loan information: If the loan is suspended because some information is incomplete or does not meet the requirements, complete the relevant information and submit it to the bank for re-approval.

3. Adjust the repayment plan: If there is a problem with the loan repayment plan, you can communicate with the bank and agree on a feasible repayment method and time to avoid the loan being suspended.