diff --git a/src/share/scheduler/ob_tenant_dag_scheduler.h b/src/share/scheduler/ob_tenant_dag_scheduler.h
index 7da08947b..e25fc3f94 100644
--- a/src/share/scheduler/ob_tenant_dag_scheduler.h
+++ b/src/share/scheduler/ob_tenant_dag_scheduler.h
@@ -1386,7 +1386,9 @@ inline bool is_compaction_dag(ObDagType::ObDagTypeEnum dag_type)
          ObDagType::DAG_TYPE_CO_MERGE_FINISH == dag_type ||
          ObDagType::DAG_TYPE_MAJOR_MERGE == dag_type ||
          ObDagType::DAG_TYPE_MINI_MERGE == dag_type ||
-         ObDagType::DAG_TYPE_MERGE_EXECUTE == dag_type;
+         ObDagType::DAG_TYPE_MERGE_EXECUTE == dag_type ||
+         ObDagType::DAG_TYPE_TX_TABLE_MERGE == dag_type ||
+         ObDagType::DAG_TYPE_MDS_TABLE_MERGE == dag_type;
 }
 
 inline int dag_yield()
diff --git a/src/storage/compaction/ob_medium_compaction_func.cpp b/src/storage/compaction/ob_medium_compaction_func.cpp
index 711757c87..ff9463222 100644
--- a/src/storage/compaction/ob_medium_compaction_func.cpp
+++ b/src/storage/compaction/ob_medium_compaction_func.cpp
@@ -1220,40 +1220,33 @@ int ObMediumCompactionScheduleFunc::schedule_tablet_medium_merge(
     return ret;
   }
 #endif
-  const int64_t last_major_snapshot = tablet.get_last_major_snapshot_version();
+  const int64_t last_major_snapshot = tablet.get_last_major_snapshot_version(); // current compaction scn
   if (MTL(ObTenantTabletScheduler *)->could_major_merge_start() && last_major_snapshot > 0) {
-    const ObTabletID &tablet_id = tablet.get_tablet_meta().tablet_id_;
-    const ObLSID &ls_id = ls.get_ls_id();
-    ObArenaAllocator temp_allocator("GetMediumInfo", OB_MALLOC_NORMAL_BLOCK_SIZE, MTL_ID()); // for load medium info
-    const ObMediumCompactionInfoList *medium_list = nullptr;
-    bool schedule_flag = false;
-    const int64_t inner_table_merged_version = MTL(ObTenantTabletScheduler *)->get_inner_table_merged_scn();
-    if (OB_FAIL(tablet.read_medium_info_list(temp_allocator, medium_list))) {
-      LOG_WARN("failed to load medium info list", K(ret), K(tablet));
-    } else if (ObMediumCompactionInfo::MAJOR_COMPACTION == medium_list->get_last_compaction_type()
-        && inner_table_merged_version < medium_list->get_last_compaction_scn()
-        && !MTL_TENANT_ROLE_CACHE_IS_PRIMARY_OR_INVALID()) { // for STANDBY/RESTORE TENANT
-      ObTabletCompactionScnInfo ret_info;
-      // for standby/restore tenant, need select inner_table to check RS status before schedule new round
-      if (!scheduler_called) { // should not visit inner table, wait for scheduler loop
-      } else if (OB_FAIL(get_status_from_inner_table(ls_id, tablet_id, ret_info))) {
-        LOG_WARN("failed to get status from inner tablet", K(ret), K(ls_id), K(tablet_id));
-      } else if (ret_info.could_schedule_next_round(medium_list->get_last_compaction_scn())) {
-        LOG_INFO("success to check RS major checksum validation finished", K(ret), K(ls_id), K(tablet_id));
+    bool is_standy_tenant = !MTL_TENANT_ROLE_CACHE_IS_PRIMARY_OR_INVALID();
+    if (is_standy_tenant && !scheduler_called) {
+      // standy tenant should not visit inner table if it is not scheduler_called, wait for scheduler loop
+    } else {
+      const ObTabletID &tablet_id = tablet.get_tablet_meta().tablet_id_;
+      const ObLSID &ls_id = ls.get_ls_id();
+      ObArenaAllocator temp_allocator("GetMediumInfo", OB_MALLOC_NORMAL_BLOCK_SIZE, MTL_ID()); // for load medium info
+      const ObMediumCompactionInfoList *medium_list = nullptr;
+      bool schedule_flag = false;
+      const int64_t major_frozen_snapshot = 0 == input_major_snapshot ? MTL(ObTenantTabletScheduler *)->get_frozen_version() : input_major_snapshot; // broadcast scn
+      ObMediumCompactionInfo::ObCompactionType compaction_type = ObMediumCompactionInfo::COMPACTION_TYPE_MAX;
+      int64_t schedule_scn = 0; // medium_snapshot in medium info
+      if (OB_FAIL(tablet.read_medium_info_list(temp_allocator, medium_list))) {
+        LOG_WARN("failed to load medium info list", K(ret), K(tablet));
+      } else if (OB_FAIL(read_medium_info_from_list(*medium_list, last_major_snapshot, major_frozen_snapshot, compaction_type, schedule_scn))) {
+        LOG_WARN("failed to read medium info from list", K(ret), K(ls_id), K(tablet_id), KPC(medium_list), K(last_major_snapshot));
+      } else if (is_standy_tenant) { // for STANDBY/RESTORE TENANT
+        if (OB_FAIL(decide_standy_tenant_schedule(ls_id, tablet_id, compaction_type, schedule_scn, major_frozen_snapshot, *medium_list, schedule_flag))) {
+          LOG_WARN("failed to decide whehter to schedule standy schedule", K(ret), K(ls_id), K(tablet_id), K(compaction_type), K(schedule_scn), K(major_frozen_snapshot), K(medium_list));
+        }
+      } else {
         schedule_flag = true;
       }
-    } else {
-      schedule_flag = true;
-    }
-    if (OB_FAIL(ret) || !schedule_flag) {
-    } else {
-      const int64_t major_frozen_snapshot = 0 == input_major_snapshot ? MTL(ObTenantTabletScheduler *)->get_frozen_version() : input_major_snapshot;
-      int64_t schedule_scn = 0;
-      if (OB_FAIL(read_medium_info_from_list(*medium_list, last_major_snapshot,
-          major_frozen_snapshot, schedule_scn))) {
-        LOG_WARN("failed to read medium info from list", K(ret), K(ls_id), K(tablet_id), KPC(medium_list), K(last_major_snapshot));
-      } else if (schedule_scn > 0
-              && OB_FAIL(check_need_merge_and_schedule(ls, tablet, schedule_scn, tablet_need_freeze_flag, create_dag_flag))) {
+      if (OB_FAIL(ret) || !schedule_flag) {
+      } else if (schedule_scn > 0 && OB_FAIL(check_need_merge_and_schedule(ls, tablet, schedule_scn, tablet_need_freeze_flag, create_dag_flag))) {
         LOG_WARN("failed to check medium merge", K(ret), K(ls_id), K(tablet_id), K(schedule_scn));
       }
     }
@@ -1262,10 +1255,47 @@ int ObMediumCompactionScheduleFunc::schedule_tablet_medium_merge(
   return ret;
 }
 
+int ObMediumCompactionScheduleFunc::decide_standy_tenant_schedule(
+      const ObLSID &ls_id,
+      const ObTabletID &tablet_id,
+      const ObMediumCompactionInfo::ObCompactionType &compaction_type,
+      const int64_t schedule_scn,
+      const int64_t major_frozen_snapshot,
+      const ObMediumCompactionInfoList &medium_list,
+      bool &schedule_flag)
+{
+    int ret = OB_SUCCESS;
+    schedule_flag = false;
+    if (ObMediumCompactionInfo::MAJOR_COMPACTION == compaction_type) {
+      if (schedule_scn > major_frozen_snapshot) {
+        ret = OB_ERR_UNEXPECTED;
+        LOG_WARN("schedule_scn of current major is bigger than broadcast scn, wait for next round loop", K(ret), K(schedule_scn), K(major_frozen_snapshot));
+      } else {
+        schedule_flag = true;
+      }
+    } else if (ObMediumCompactionInfo::MEDIUM_COMPACTION == compaction_type) {
+      if (schedule_scn > major_frozen_snapshot && ObMediumCompactionInfo::MAJOR_COMPACTION == medium_list.get_last_compaction_type()) {
+        ObTabletCompactionScnInfo ret_info;
+        if (OB_FAIL(get_status_from_inner_table(ls_id, tablet_id, ret_info))) {
+          LOG_WARN("failed to get status from inner tablet", K(ret), K(ls_id), K(tablet_id));
+        } else if (ret_info.could_schedule_next_round(medium_list.get_last_compaction_scn())) {
+          LOG_INFO("success to check RS major checksum validation finished", K(ret), K(ls_id), K(tablet_id));
+          schedule_flag = true;
+        }
+      } else {
+        schedule_flag = true;
+      }
+    } else {
+      // does not read valid medium info, wait for next round scheduler loop
+    }
+    return ret;
+}
+
 int ObMediumCompactionScheduleFunc::read_medium_info_from_list(
   const ObMediumCompactionInfoList &medium_list,
   const int64_t last_major_snapshot,
   const int64_t major_frozen_snapshot,
+  ObMediumCompactionInfo::ObCompactionType &compaction_type,
   int64_t &schedule_scn)
 {
   int ret = OB_SUCCESS;
@@ -1276,6 +1306,7 @@ int ObMediumCompactionScheduleFunc::read_medium_info_from_list(
       if (info->is_medium_compaction()
           || info->medium_snapshot_ <= major_frozen_snapshot) {
         schedule_scn = info->medium_snapshot_;
+        compaction_type = (ObMediumCompactionInfo::ObCompactionType)info->compaction_type_;
       }
       break; // found one unfinish medium info, loop end
     }
diff --git a/src/storage/compaction/ob_medium_compaction_func.h b/src/storage/compaction/ob_medium_compaction_func.h
index 8cce5847e..483cd844c 100644
--- a/src/storage/compaction/ob_medium_compaction_func.h
+++ b/src/storage/compaction/ob_medium_compaction_func.h
@@ -51,10 +51,23 @@ public:
       bool &create_dag_flag,
       const int64_t major_frozen_scn = 0,
       const bool scheduler_called = false);
+  /*
+   * see
+   * standby tenant should catch up broadcast scn when freeze info is recycled
+   */
+  static int decide_standy_tenant_schedule(
+      const ObLSID &ls_id,
+      const ObTabletID &tablet_id,
+      const ObMediumCompactionInfo::ObCompactionType &compaction_type,
+      const int64_t schedule_scn,
+      const int64_t major_frozen_snapshot,
+      const ObMediumCompactionInfoList &medium_list,
+      bool &schedule_flag);
   static int read_medium_info_from_list(
       const ObMediumCompactionInfoList &medium_list,
       const int64_t major_frozen_snapshot,
       const int64_t last_major_snapshot,
+      ObMediumCompactionInfo::ObCompactionType &compaction_type,
       int64_t &schedule_scn);
   static int is_election_leader(const share::ObLSID &ls_id, bool &ls_election_leader);
   static int get_max_sync_medium_scn(
diff --git a/src/storage/compaction/ob_tablet_merge_task.cpp b/src/storage/compaction/ob_tablet_merge_task.cpp
index 14f67d5a9..1bf6b4955 100644
--- a/src/storage/compaction/ob_tablet_merge_task.cpp
+++ b/src/storage/compaction/ob_tablet_merge_task.cpp
@@ -45,16 +45,6 @@ using namespace blocksstable;
 namespace compaction
 {
 
-bool is_merge_dag(ObDagType::ObDagTypeEnum dag_type)
-{
-  return dag_type == ObDagType::DAG_TYPE_MAJOR_MERGE
-    || dag_type == ObDagType::DAG_TYPE_MERGE_EXECUTE
-    || dag_type == ObDagType::DAG_TYPE_MINI_MERGE
-    || dag_type == ObDagType::DAG_TYPE_TX_TABLE_MERGE
-    || dag_type == ObDagType::DAG_TYPE_MDS_TABLE_MERGE;
-}
-
-
 /*
  *  ----------------------------------------------ObCompactionTimeGuard--------------------------------------------------
  */
@@ -809,7 +799,7 @@ int ObTabletMergePrepareTask::init()
   } else if (OB_ISNULL(dag_)) {
     ret = OB_ERR_SYS;
     LOG_WARN("dag must not null", K(ret));
-  } else if (OB_UNLIKELY(!is_merge_dag(dag_->get_type()))) {
+  } else if (OB_UNLIKELY(!is_compaction_dag(dag_->get_type()))) {
     ret = OB_ERR_SYS;
     LOG_ERROR("dag type not match", K(ret), KPC(dag_));
   } else {
@@ -964,7 +954,7 @@ int ObTabletMergeFinishTask::init()
   } else if (OB_ISNULL(dag_)) {
     ret = OB_ERR_SYS;
     LOG_WARN("dag must not null", K(ret));
-  } else if (!is_merge_dag(dag_->get_type())) {
+  } else if (!is_compaction_dag(dag_->get_type())) {
     ret = OB_ERR_SYS;
     LOG_ERROR("dag type not match", K(ret), KPC(dag_));
   } else {
@@ -1072,7 +1062,7 @@ int ObTabletMergeTask::generate_next_task(ObITask *&next_task)
     LOG_WARN("not init", K(ret));
   } else if (idx_ + 1 == ctx_->get_concurrent_cnt()) {
     ret = OB_ITER_END;
-  } else if (!is_merge_dag(dag_->get_type())) {
+  } else if (!is_compaction_dag(dag_->get_type())) {
     ret = OB_ERR_SYS;
     LOG_ERROR("dag type not match", K(ret), KPC(dag_));
   } else {
diff --git a/src/storage/compaction/ob_tenant_tablet_scheduler.cpp b/src/storage/compaction/ob_tenant_tablet_scheduler.cpp
index 7bc48509a..297f2de9b 100644
--- a/src/storage/compaction/ob_tenant_tablet_scheduler.cpp
+++ b/src/storage/compaction/ob_tenant_tablet_scheduler.cpp
@@ -596,7 +596,7 @@ int ObTenantTabletScheduler::schedule_merge(const int64_t broadcast_version)
       LOG_WARN("failed to add progress", K(tmp_ret), K(broadcast_version));
     }
     {
-      obsys::ObRLockGuard frozen_version_guard(frozen_version_lock_);
+      obsys::ObWLockGuard frozen_version_guard(frozen_version_lock_);
       frozen_version_ = broadcast_version;
     }