业务异常无需打印错误日志，改为警告

src/main/java/com/fdkankan/openApi/exception/CustomExceptionHandler.java

@@ -39,7 +39,7 @@ public class CustomExceptionHandler {
     @ResponseBody
     @ExceptionHandler(value = BusinessException.class)
     public ResultData businessExceptionHandler(BusinessException e) {
-        log.error("业务异常code:{},message:{}", e.getCode(), e.getMessage());
+        log.warn("业务异常code:{},message:{}", e.getCode(), e.getMessage());
         return ResultData.error(e.getCode(), e.getMessage());
     }
 }