{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How should errors be handled after discovering them during the blockchain version upgrade?","a":"Develop a repair plan: Design a corresponding repair plan based on the cause of the error,  including code modifications, system optimizations, etc."}]}],"pr":"a7d240733d2c4f53c3130ed4c0a872dd5455540aa1901c29730e9885055c350e"}