{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The content of the software upgrade proposal is as follows:","a":"Upgrade objective:  Clearly define the purpose of this software upgrade, such as improving performance, adding features, optimizing user experience, etc."}]}],"pr":"99f12437c9fd26946d23007e08aab5a3e227fec07f2d757669d3bbe49b66bc76"}