If you can't write it, you can authorize the client to sign it, and the parties will sign the complaint in the form of the client's handprint. The signature of the complaint shall be signed by the client and sealed by the parties. If the parties are unable to sign or read, the contents of the written materials will be read out to the parties, and the parties will press their handprints at the client's office to objectively state the situation that the parties cannot read or sign after the text of the power of attorney.