diff --git a/server/src/main/java/com/emotion/service/EpicScriptService.java b/server/src/main/java/com/emotion/service/EpicScriptService.java
index b89a94e..11d161d 100644
--- a/server/src/main/java/com/emotion/service/EpicScriptService.java
+++ b/server/src/main/java/com/emotion/service/EpicScriptService.java
@@ -74,6 +74,15 @@ public interface EpicScriptService extends IService<EpicScript> {
      */
     EpicScriptResponse selectScript(String id);
 
+    /**
+     * 切换剧本当前生效版本
+     *
+     * @param scriptId 剧本ID
+     * @param messageId 消息ID
+     * @return 剧本响应
+     */
+    EpicScriptResponse switchVersion(String scriptId, String messageId);
+
     /**
      * 删除剧本
      *