peerStorage and Storage interface

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This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: peerStorage与Storage interface

| username: Haining

I would like to ask everyone, in project2b, peerStorage implements the Storage interface, but its append function signature is different from the one defined in the Storage interface, which causes a build failure. What is the issue here? Because I am new to Golang, I am a bit confused about this point.