diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IProjectProductInfoBakService.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IProjectProductInfoBakService.java
new file mode 100644
index 00000000..5cd6edfc
--- /dev/null
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/IProjectProductInfoBakService.java
@@ -0,0 +1,16 @@
+package com.ruoyi.sip.service;
+
+/**
+ * @Author ch
+ * @Desc 项目产品信息(ProjectProductInfoBak)表服务接口
+ * @Date 2025-11-24 14:10:16
+ */
+public interface IProjectProductInfoBakService {
+
+    void saveBakData(String orderCode,String versionCode);
+
+    void restoreData(String orderCode,String versionCode,Long projectId);
+}
+
+
+                            
diff --git a/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/ProjectProductInfoBakServiceImpl.java b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/ProjectProductInfoBakServiceImpl.java
new file mode 100644
index 00000000..54652adf
--- /dev/null
+++ b/ruoyi-sip/src/main/java/com/ruoyi/sip/service/impl/ProjectProductInfoBakServiceImpl.java
@@ -0,0 +1,37 @@
+package com.ruoyi.sip.service.impl;
+
+import com.ruoyi.sip.mapper.ProjectProductInfoMapper;
+import com.ruoyi.sip.service.IProjectProductInfoBakService;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+
+/**
+ * @Author ch
+ * @Desc 项目产品信息(ProjectProductInfoBak)表服务实现类
+ * @Date 2025-11-24 14:10:16
+ */
+
+@Service
+public class ProjectProductInfoBakServiceImpl implements IProjectProductInfoBakService {
+
+    @Resource
+    private ProjectProductInfoMapper projectProductInfoMapper;
+
+    @Override
+    public void saveBakData(String orderCode, String versionCode) {
+        projectProductInfoMapper.saveBakData(orderCode, versionCode);
+    }
+
+    @Override
+    public void restoreData(String orderCode, String versionCode, Long projectId) {
+        if (projectProductInfoMapper.countBakData(orderCode, versionCode) > 0) {
+            projectProductInfoMapper.restoreData(orderCode, versionCode, projectId);
+        }
+    }
+
+
+}
+
+
+