Generally, we are doing data echo. For example, during gender echo, a string is passed from the day after tomorrow to the front end, but the el-radio of the page cannot be echoed.
First see if there is a colon before lebel: ":" means to bind a dynamic variable
Secondly
Radio label is number type can be directly echoed
The radio label is of type String and cannot be displayed. You need to add a layer of quotation marks on the outermost layer.
