refactor: 统一注释规范与代码风格，优化分层结构

src/main/java/com/youlai/boot/common/exception/BusinessException.java

@@ -20,13 +20,11 @@ public class BusinessException extends RuntimeException {
         this.resultCode = errorCode;
     }
 
-
     public BusinessException(IResultCode errorCode, String message) {
         super(message);
         this.resultCode = errorCode;
     }
 
-
     public BusinessException(String message, Throwable cause) {
         super(message, cause);
     }