编译成微信小程序报错: Property or method "$$v" is not defined on the instance but referenced during render.

分类：uni-app

微信兼容微信小程序样式

问题: 微信小程序端只要数据(任何数据)发生改变时都会报错; 在H5端/APP端均未出现;
错误提示: Property or method "$$v" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components, by initializing the property.