diff --git a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.java b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.java
index 5cfb2ca2e4..a8fb3a0bd9 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.java
+++ b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.java
@@ -141,4 +141,8 @@ public interface ExtTestCaseMapper {
     int countByWorkSpaceId(String workSpaceId);
 
     long trashCount(@Param("projectId") String projectId);
+
+    List<String> selectRefIdsForVersionChange(@Param("versionId") String versionId, @Param("projectId") String projectId);
+
+    int addLatestVersion(@Param("refId") String refId);
 }
diff --git a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.xml b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.xml
index 4f56278573..bf5b9ea751 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.xml
+++ b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.xml
@@ -980,4 +980,50 @@
             AND ${versionTable}.latest = 1
         </if>
     </sql>
+
+    <select id="selectRefIdsForVersionChange" resultType="java.lang.String">
+        SELECT DISTINCT ref_id
+        FROM test_case
+        WHERE ref_id NOT IN (
+            SELECT DISTINCT ref_id
+            FROM test_case
+            WHERE version_id = #{versionId}
+              AND project_id = #{projectId}
+        )
+          AND project_id = #{projectId}
+    </select>
+
+    <update id="addLatestVersion">
+        UPDATE test_case
+            INNER JOIN ((
+            SELECT tmp.id
+            FROM test_case tmp
+            JOIN project_version
+            ON tmp.project_id = project_version.project_id AND
+            tmp.version_id = project_version.id AND project_version.latest = TRUE
+            WHERE ref_id = #{refId,jdbcType=VARCHAR}
+            LIMIT 1
+            )
+            UNION
+            (
+            SELECT tmp.id
+            FROM test_case tmp
+            JOIN project_version
+            ON tmp.project_id = project_version.project_id AND
+            tmp.version_id = project_version.id
+            AND NOT EXISTS (SELECT ref_id
+            FROM test_case tmp2
+            JOIN project_version
+            ON tmp2.project_id =
+            project_version.project_id AND
+            version_id =
+            project_version.id AND
+            project_version.latest = TRUE
+            WHERE tmp.ref_id = tmp2.ref_id)
+            WHERE tmp.ref_id = #{refId,jdbcType=VARCHAR}
+            ORDER BY tmp.update_time DESC
+            LIMIT 1)) AS t
+        ON test_case.id = t.id
+            SET test_case.latest = TRUE
+    </update>
 </mapper>