diff --git a/backend-immutable/SystemUpdater/backend/BackendOstreeNext.py b/backend-immutable/SystemUpdater/backend/BackendOstreeNext.py
index 0f0391f..cee496c 100644
--- a/backend-immutable/SystemUpdater/backend/BackendOstreeNext.py
+++ b/backend-immutable/SystemUpdater/backend/BackendOstreeNext.py
@@ -281,32 +281,30 @@ class DeployBackend(BackendBaseOstree):
         self._progress_to_plymouth(60)
         
         logging.info("start deploy available_refs:%s new_revision:%s...",refs,new_revision)
-        ret,new_deployment = sysroot.deploy_tree(self.osname,new_revision,self.origin,self.merge_deployment,None,None)
+        ret,upgrade_deployment = sysroot.deploy_tree(self.osname,new_revision,self.origin,self.merge_deployment,None,None)
 
         # 进行部署时 保留历史部署
         flags = OSTree.SysrootSimpleWriteDeploymentFlags.RETAIN
-        sysroot.simple_write_deployment(self.osname,new_deployment,self.merge_deployment,flags,None)
+        sysroot.simple_write_deployment(self.osname,upgrade_deployment,self.merge_deployment,flags,None)
 
         self._progress_to_plymouth(90)
 
-        # 获取当前部署 数量
-        cur_deployment = []
-        cur_deployment.append(new_deployment)
+        special_deployment = []
+        has_deployment = []
         old_deployments = sysroot.get_deployments()
-
-        # 部署的列表
         for deploys in old_deployments:
-            # 对为hotfix和pin的部署进行过滤
+            # 放hotfix和pin 部署
             if deploys.get_unlocked() == OSTree.DeploymentUnlockedState.HOTFIX and deploys.is_pinned():
-                continue
+                special_deployment.append(special_deployment)
+            # 其他升级保存的部署
+            elif not upgrade_deployment.equal(deploys):
+                has_deployment.append(deploys)
 
-            if not new_deployment.equal(deploys):
-                cur_deployment.append(deploys)
-
-        logging.info("Number of current deployments:%d and all:%d",len(cur_deployment),len(old_deployments))
-        if len(cur_deployment) > 5:
+        logging.info("Number of current deployments:%d and all:%d",len(has_deployment),len(old_deployments))
+        if len(has_deployment) > 5:
             logging.info("The number of deployments exceed 5 and delete the 5 after the depoyment...")
-            ret = sysroot.write_deployments(cur_deployment[:5],None)
+            new_deployment = [upgrade_deployment] + special_deployment + has_deployment[:5]
+            ret = sysroot.write_deployments(new_deployment,None)
             self._progress_to_plymouth(95)
 
         # 健全性检查 
diff --git a/debian/changelog b/debian/changelog
index 4446113..2931790 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,12 @@
+kylin-system-updater (3.0.0.0-ok25) nile; urgency=medium
+
+  * BUG: 无
+  * 需求号: 无
+  * 其他改动说明: 修复超过5个部署之后部署丢失的问题
+  * 其他改动影响域:无
+
+ -- wangsong <wangsong@kylinos.cn>  Sat, 01 Jun 2024 15:20:58 +0800
+
 kylin-system-updater (3.0.0.0-ok24) nile; urgency=medium
 
   * BUG: 无