diff --git a/src/gausskernel/ddes/adapter/ss_dms_bufmgr.cpp b/src/gausskernel/ddes/adapter/ss_dms_bufmgr.cpp
index e761a2d43..9ee36fc18 100644
--- a/src/gausskernel/ddes/adapter/ss_dms_bufmgr.cpp
+++ b/src/gausskernel/ddes/adapter/ss_dms_bufmgr.cpp
@@ -63,11 +63,11 @@ void InitDmsContext(dms_context_t *dmsContext)
     dmsContext->sess_id = (unsigned int)(t_thrd.proc ? t_thrd.proc->logictid : t_thrd.myLogicTid + TotalProcs);
     dmsContext->db_handle = t_thrd.proc;
     if (AmDmsReformProcProcess()) {
-        dmsContext->sess_rcy = DMS_SESSION_IN_REFORM;
+        dmsContext->sess_type = DMS_SESSION_REFORM;
     } else if (AmPageRedoProcess() || AmStartupProcess()) {
-        dmsContext->sess_rcy = DMS_SESSION_IN_RECOVERY;
+        dmsContext->sess_type = DMS_SESSION_RECOVER;
     } else {
-        dmsContext->sess_rcy = DMS_SESSION_NORMAL;
+        dmsContext->sess_type = DMS_SESSION_NORMAL;
     }
     dmsContext->is_try = 0;
 }
diff --git a/src/gausskernel/ddes/ddes_commit_id b/src/gausskernel/ddes/ddes_commit_id
index e8b6c0128..140a2d11f 100644
--- a/src/gausskernel/ddes/ddes_commit_id
+++ b/src/gausskernel/ddes/ddes_commit_id
@@ -1,2 +1,2 @@
-dms_commit_id=1f7a138cbdd57becb8c26a16688d5dfd9d71b029
+dms_commit_id=9e5e5c1f2efc071f8ec3ca884ad9331a3ed257ec
 dss_commit_id=5444f9b4715bd78c9c6b4757475e07ac6398ed6e
\ No newline at end of file
diff --git a/src/include/ddes/dms/dms_api.h b/src/include/ddes/dms/dms_api.h
index 461409677..ac6836a23 100644
--- a/src/include/ddes/dms/dms_api.h
+++ b/src/include/ddes/dms/dms_api.h
@@ -156,6 +156,12 @@ typedef enum en_drc_res_type {
     DRC_RES_LOCK_ITEM_TYPE,
 } drc_res_type_e;
 
+typedef enum en_dms_session {
+    DMS_SESSION_NORMAL = 0,     // can not access DRC when DRC is inaccessible
+    DMS_SESSION_REFORM = 1,     // can access DRC when DRC is inaccessible
+    DMS_SESSION_RECOVER = 2,    // can access DRC when DRC is inaccessible, buf if no owner, should set in recovery
+} dms_session_e;
+
 #define DMS_RESID_SIZE  32
 #define DMS_DRID_SIZE   sizeof(dms_drid_t)
 
@@ -183,8 +189,7 @@ typedef struct st_dms_xmap_ctx {
 typedef struct st_dms_context {
     unsigned int inst_id;   // current instance id
     unsigned int sess_id;   // current session id
-    unsigned int sess_rcy;  // request page: recovery session flag
-
+    dms_session_e sess_type;  // request page: recovery session flag
     void *db_handle;
     unsigned char is_try;
     unsigned char type;
@@ -230,6 +235,8 @@ typedef struct dms_opengauss_txn_snapshot {
 } dms_opengauss_txn_snapshot_t;
 
 typedef enum dms_opengauss_lock_req_type {
+    SHARED_INVAL_MSG,
+    DROP_BUF_MSG,
     LOCK_NORMAL_MODE,
     LOCK_RELEASE_SELF,
     LOCK_REACQUIRE,
@@ -772,7 +779,7 @@ typedef struct st_logger_param {
 #define DMS_LOCAL_MINOR_VER_WEIGHT  1000
 #define DMS_LOCAL_MAJOR_VERSION     0
 #define DMS_LOCAL_MINOR_VERSION     0
-#define DMS_LOCAL_VERSION           43
+#define DMS_LOCAL_VERSION           44
 
 #ifdef __cplusplus
 }
diff --git a/src/include/ddes/dms/ss_common_attr.h b/src/include/ddes/dms/ss_common_attr.h
index e45190e4e..6c351b261 100644
--- a/src/include/ddes/dms/ss_common_attr.h
+++ b/src/include/ddes/dms/ss_common_attr.h
@@ -156,8 +156,5 @@ typedef enum SSReformType {
     DMS_REFORM_TYPE_FOR_MAINTAIN
 } SSReformType;
 
-#define DMS_SESSION_NORMAL 0
-#define DMS_SESSION_IN_REFORM 1
-#define DMS_SESSION_IN_RECOVERY 2
 
 #endif