update comments

mybatis-flex-annotation/src/main/java/com/mybatisflex/annotation/Column.java

@@ -49,6 +49,7 @@ public @interface Column {
 
     /**
      * 是否是逻辑删除字段，一张表中只能存在 1 一个逻辑删除字段
+     * 逻辑删除的字段，被删除时，会设置为 1，正常状态为 0
      */
     boolean isLogicDelete() default false;
 

mybatis-flex-core/src/main/java/com/mybatisflex/core/row/Row.java

@@ -66,7 +66,6 @@ public class Row extends HashMap<String, Object> implements ModifyAttrsRecord {
     }
 
 
-
     public static Row ofKey(RowKey rowKey, Object value) {
         Row row = new Row();
         row.primaryKeys = new RowKey[]{rowKey};

mybatis-flex-core/src/main/java/com/mybatisflex/core/row/RowMapper.java

@@ -92,7 +92,6 @@ public interface RowMapper {
      * @param row       id 和 值的数据，可以通过 {@link Row#ofKey(String, Object)} 来创建
      * @return 执行影响的行数
      */
-
     default int deleteById(@Param(FlexConsts.TABLE_NAME) String tableName, @Param(FlexConsts.ROW) Row row) {
         return deleteById(tableName, StringUtil.join(",", row.obtainsPrimaryKeyStrings()), row.obtainsPrimaryValues());
     }