chore(package): update bl to version 1.2.1 (#462)
chore(package): update bl to version 1.2.1 (#462)

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binsee/wechaty,Chatie/wechaty,binsee/wechaty,binsee/wechaty,zixia/wechaty,lijiarui/wechaty,wechaty/wechaty,Chatie/wechaty,mukaiu/wechaty,mukaiu/wechaty,lijiarui/wechaty,wechaty/wechaty,Chatie/wechaty,mukaiu/wechaty,zixia/wechaty,wechaty/wechaty