diff --git a/src/main/java/org/redkale/source/DataSqlMapper.java b/src/main/java/org/redkale/source/DataSqlMapper.java
index 70a71dc9d..e79b5c617 100644
--- a/src/main/java/org/redkale/source/DataSqlMapper.java
+++ b/src/main/java/org/redkale/source/DataSqlMapper.java
@@ -44,14 +44,14 @@ import org.redkale.util.Sheet;
  *      + " WHERE f.forumid = s.forumid AND "
  *      + "s.forum_sectionid = #{bean.forumSectionid} AND "
  *      + "f.forumid = #{bean.forumid} AND s.forum_section_color = #{bean.forumSectionColor}")
- *   public List<ForumResult> queryForumResult(ForumBean bean);
+ *   public List<ForumResult> queryForumResult(@Param("bean") ForumBean bean0);
  *
  *   @Sql("SELECT f.forum_groupid, s.forum_section_color "
  *      + "FROM forum_info f, forum_section s "
  *      + " WHERE f.forumid = s.forumid AND "
  *      + "s.forum_sectionid = #{bean.forumSectionid} AND "
  *      + "f.forumid = #{bean.forumid} AND s.forum_section_color = #{bean.forumSectionColor}")
- *   public CompletableFuture<List<ForumResult>> queryForumResultAsync(@Param("bean") ForumBean bean0);
+ *   public CompletableFuture<List<ForumResult>> queryForumResultAsync(ForumBean bean);
  *}
  * </pre></blockquote>
  * <p>
diff --git a/src/main/java/org/redkale/util/Utility.java b/src/main/java/org/redkale/util/Utility.java
index dc6c9d5ad..846edb94e 100644
--- a/src/main/java/org/redkale/util/Utility.java
+++ b/src/main/java/org/redkale/util/Utility.java
@@ -461,13 +461,26 @@ public final class Utility {
         return sb.toString();
     }
 
+    /**
+     * 返回第一个不为null的对象
+     *
+     * @param <T>  泛型
+     * @param val1 对象1
+     * @param val2 对象2
+     *
+     * @return 可用对象，可能返回null
+     */
+    public static <T> T orElse(T val1, T val2) {
+        return val1 == null ? val2 : val1;
+    }
+
     /**
      * 返回第一个不为null的对象
      *
      * @param <T>  泛型
      * @param vals 对象集合
      *
-     * @return 可用对象，没有返回null
+     * @return 可用对象，可能返回null
      */
     public static <T> T orElse(T... vals) {
         for (T t : vals) {
diff --git a/src/test/java/org/redkale/test/source/parser/ForumInfoMapper.java b/src/test/java/org/redkale/test/source/parser/ForumInfoMapper.java
index 51782539e..79b0f6cd9 100644
--- a/src/test/java/org/redkale/test/source/parser/ForumInfoMapper.java
+++ b/src/test/java/org/redkale/test/source/parser/ForumInfoMapper.java
@@ -33,12 +33,12 @@ public interface ForumInfoMapper extends BaseMapper<ForumInfo> {
         + " WHERE f.forumid = s.forumid AND "
         + "s.forum_sectionid = #{bean.forumSectionid} AND "
         + "f.forumid = #{bean.forumid} AND s.forum_section_color = #{bean.forumSectionColor}")
-    public List<ForumResult> queryForumResult(ForumBean bean);
+    public List<ForumResult> queryForumResult(@Param("bean") ForumBean bean0);
 
     @Sql("SELECT f.forum_groupid, s.forum_section_color "
         + "FROM forum_info f, forum_section s "
         + " WHERE f.forumid = s.forumid AND "
         + "s.forum_sectionid = #{bean.forumSectionid} AND "
         + "f.forumid = #{bean.forumid} AND s.forum_section_color = #{bean.forumSectionColor}")
-    public CompletableFuture<List<ForumResult>> queryForumResultAsync(@Param("bean") ForumBean bean0);
+    public CompletableFuture<List<ForumResult>> queryForumResultAsync(ForumBean bean);
 }