Spring boot + thymeleaf in IntelliJ: cannot resolve vars

Question

I\'m writing a short web form application using spring boot and thymeleaf on IntelliJ, but it seems that in the html file, all fields in the model cannot be resolved. Here is my

Answer 1

There is one more interesting situation ,if you DONT return directly the object from your controller ,Intellij will not recognize the variable ,but she will still work