diff --git a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/ServiceService.java b/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/ServiceService.java
index 6ce6bc6a..5c69f257 100644
--- a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/ServiceService.java
+++ b/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/ServiceService.java
@@ -28,6 +28,8 @@ public interface ServiceService {
 
     ServiceVersionVo getServiceVersion(Long id);
 
+    Map<String, Object> serviceVersionCompare(Long id1, Long id2) throws IllegalAccessException;
+
     String deleteService(Long id);
 
     String deleteServiceVersion(Long id);