diff --git a/src/storage/memtable/mvcc/ob_mvcc_trans_ctx.cpp b/src/storage/memtable/mvcc/ob_mvcc_trans_ctx.cpp
index e02ccaf654..bcc6d879b1 100644
--- a/src/storage/memtable/mvcc/ob_mvcc_trans_ctx.cpp
+++ b/src/storage/memtable/mvcc/ob_mvcc_trans_ctx.cpp
@@ -1434,7 +1434,11 @@ int ObTransCallbackMgr::get_callback_list_stat(ObIArray<ObTxCallbackListStat> &s
       }
     } else if (OB_SUCC(stats.prepare_allocate(get_callback_list_count()))) {
       CALLBACK_LISTS_FOREACH(idx, list) {
-        ret = list->get_stat_for_display(stats.at(idx));
+        if (list->get_appended() > 0) {
+          ret = list->get_stat_for_display(stats.at(idx));
+        } else {
+          stats.at(idx).id_ = -1; // mark as invalid
+        }
       }
     }
     rwlock_.unlock();
diff --git a/src/storage/memtable/mvcc/ob_tx_callback_list.cpp b/src/storage/memtable/mvcc/ob_tx_callback_list.cpp
index da5138883e..6a3a17e4ba 100644
--- a/src/storage/memtable/mvcc/ob_tx_callback_list.cpp
+++ b/src/storage/memtable/mvcc/ob_tx_callback_list.cpp
@@ -778,7 +778,7 @@ int ObTxCallbackList::get_stat_for_display(ObTxCallbackListStat &stat) const
 {
   int ret = OB_SUCCESS;
 #define _ASSIGN_STAT_(x) stat.x = x;
-  LST_DO(_ASSIGN_STAT_, (), id_, sync_scn_, checksum_scn_, length_, logged_, removed_);
+  LST_DO(_ASSIGN_STAT_, (), id_, sync_scn_, length_, logged_, removed_, branch_removed_);
 #undef __ASSIGN_STAT_
   return ret;
 }
diff --git a/src/storage/tx/ob_tx_stat.h b/src/storage/tx/ob_tx_stat.h
index dc25c954b9..4d7729c534 100644
--- a/src/storage/tx/ob_tx_stat.h
+++ b/src/storage/tx/ob_tx_stat.h
@@ -25,21 +25,21 @@ struct ObTxCallbackListStat
 {
   int id_;
   share::SCN sync_scn_;
-  share::SCN checksum_scn_;
   int length_;
   int logged_;
   int removed_;
+  int branch_removed_;
   void reset() {}
   DECLARE_TO_STRING
   {
     int64_t pos = 0;
-    BUF_PRINTF("(%d,%d,%d,%d,%ld,%ld)",
+    BUF_PRINTF("[%d,%d,%d,%d,%d,%ld]",
                id_,
                length_,
                logged_,
                removed_,
-               (sync_scn_.is_valid() ? sync_scn_.get_val_for_inner_table_field() : -1),
-               (checksum_scn_.is_valid() ? checksum_scn_.get_val_for_inner_table_field() : -1));
+               branch_removed_,
+               (sync_scn_.is_valid() ? sync_scn_.get_val_for_inner_table_field() : 0));
     return pos;
   }
 };
@@ -127,8 +127,15 @@ public:
     {
       int64_t pos = 0;
       if (stats_.count() > 0) {
-        BUF_PRINTF("[id, length, logged, removed, sync_scn, checksum_scn]");
-        BUF_PRINTO(stats_);
+        J_ARRAY_START();
+        BUF_PRINTF("\"id, length, logged, removed, branch_removed, sync_scn\"");
+        for (int i =0; i < stats_.count(); i++) {
+          if (stats_.at(i).id_ >= 0) {
+            J_COMMA();
+            BUF_PRINTO(stats_.at(i));
+          }
+        }
+        J_ARRAY_END();
       }
       return pos;
     }