Required Long parameter 'appId' is not present
org.springframework.web.bind.MissingServletRequestParameterException: Required Long parameter 'appId' is not present
at org.springframework.web.method.annotation.RequestParamMethodArgumentResolver.handleMissingValue(RequestParamMethodArgumentResolver.java:204)
at org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver.resolveArgument(AbstractNamedValueMethodArgumentResolver.java:112)
解决方法：
Post请求方式换成Get方式