5. Before repairing, if the credit value of the provider to which the data block to be repaired belongs is less than -50, or the provider cannot be connected, look for it. A new provider to replace the fixtures. Therefore, the disconnected provider has no corresponding challenge results and cannot get the storage revenue during the disconnection. If the network is disconnected too many times, Then for this provider, the data challenged during network disconnection will be repaired to other providers, and the provider will never be used. Will get the benefits of this part of the data again.