diff --git a/src/common/backend/utils/adt/pgstatfuncs.cpp b/src/common/backend/utils/adt/pgstatfuncs.cpp
index a6ca813a8..6477d0429 100644
--- a/src/common/backend/utils/adt/pgstatfuncs.cpp
+++ b/src/common/backend/utils/adt/pgstatfuncs.cpp
@@ -15291,14 +15291,26 @@ Datum query_node_reform_info(PG_FUNCTION_ARGS)
             values[4] = BoolGetDatum(reform_info.reform_success);
 
             if (reform_info.reform_type == DMS_REFORM_TYPE_FOR_FAILOVER_OPENGAUSS) {
-                values[5] = TimestampTzGetDatum(reform_info.redo_start_time);
-                if (reform_info.redo_start_time > reform_info.redo_end_time) {
+                if (reform_info.redo_start_time == 0) {
+                    nulls[5] = true;
+                } else {
+                    values[5] = TimestampTzGetDatum(reform_info.redo_start_time);
+                }
+                if ((reform_info.redo_start_time > reform_info.redo_end_time) || reform_info.redo_end_time == 0) {
                     nulls[6] = true;
                 } else {
                     values[6] = TimestampTzGetDatum(reform_info.redo_end_time);
                 }
-                values[7] = UInt64GetDatum(reform_info.redo_total_bytes);
-                values[8] = TimestampTzGetDatum(reform_info.construct_hashmap);
+                if (reform_info.redo_total_bytes == 0) {
+                    nulls[7] = true;
+                } else {
+                    values[7] = UInt64GetDatum(reform_info.redo_total_bytes);
+                }
+                if (reform_info.construct_hashmap == 0) {
+                    nulls[8] = true;
+                } else {
+                    values[8] = TimestampTzGetDatum(reform_info.construct_hashmap);
+                }
             } else {
                 values[7] = UInt64GetDatum(-1);
                 nulls[5] = true;
diff --git a/src/gausskernel/ddes/adapter/ss_dms_callback.cpp b/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
index 1f19640b5..b755964b2 100644
--- a/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
+++ b/src/gausskernel/ddes/adapter/ss_dms_callback.cpp
@@ -58,6 +58,14 @@
 
 static void ReleaseResource();
 
+static inline void IniRedoInfo()
+{
+    g_instance.dms_cxt.SSReformInfo.redo_start_time = 0;
+    g_instance.dms_cxt.SSReformInfo.redo_end_time = 0;
+    g_instance.dms_cxt.SSReformInfo.construct_hashmap = 0;
+    g_instance.dms_cxt.SSReformInfo.redo_total_bytes = 0;
+}
+
 /*
  * Wake up startup process to replay WAL, or to notice that
  * failover has been requested.
@@ -2069,6 +2077,7 @@ static void CBReformStartNotify(void *db_handle, dms_reform_start_context_t *rs_
     reform_info->bitmap_nodes = rs_cxt->bitmap_participated;
     reform_info->bitmap_reconnect = rs_cxt->bitmap_reconnect;
     reform_info->dms_role = rs_cxt->role;
+    IniRedoInfo();
     if (!ENABLE_SS_BCAST_GETOLDESTXMIN) {
         SSXminInfoPrepare();
     }