1、错误信息：[Vue warn]: Property or method "object" is not defined on the instance but referenced during render. Make sure to declare reactive data properties in the data option.
html代码：
js代码：
错误原因：html里面将“#repeat-object”写入了“#app-2”里面。
解决办法：将“#repeat-object”提出来就好了。
2、错误信息：[Vue warn]: Error in mounted hook: "TypeError: _md2.default.doSign is not a function"