An easier way is to use drawing tools (the system comes with > at the beginning; Program > sign one with a brush and save it as a picture, then insert cad and draw it with pl line. You can also take a picture with your own signature and then convert it into a vector picture with ai and then pour it into cad, so you don't have to draw it. This is more complicated.

According to the provisions of Articles 5 to 8 of the Electronic Signature Law, electronic contracts that lock the true identity of the signer, effectively prevent document tampering and accurately record the signing time are legally recognized.

It is also an electronic contract signed through a third-party electronic contract platform, which can guarantee the legal effect. "Fada" is the leading third-party electronic contract platform in China, so you can try it. After registration, there will be trials and help in creating electronic signatures.