diff --git a/src/rootserver/ob_backup_data_clean.cpp b/src/rootserver/ob_backup_data_clean.cpp
index 1be6c290e..b1a69c6a4 100644
--- a/src/rootserver/ob_backup_data_clean.cpp
+++ b/src/rootserver/ob_backup_data_clean.cpp
@@ -2325,7 +2325,7 @@ int ObBackupDataClean::get_need_delete_backup_set_ids(
       }
     }
     if (OB_SUCC(ret)) {
-      FLOG_WARN("succ get need delete backup set ids", K(backup_set_ids));
+      FLOG_INFO("[BACKUP_CLEAN]succ get need delete backup set ids", K(backup_set_ids));
     }
   }
   return ret;
@@ -2466,6 +2466,8 @@ int ObBackupDataClean::get_sys_tenant_prepare_clog_round_and_piece(const share::
                   "backup_piece",
                   "tenant_id",
                   clean_info.tenant_id_,
+                  "round_id",
+                  simple_piece_key.round_id_,
                   "backup_piece_id",
                   simple_piece_key.backup_piece_id_,
                   "copy_id",
@@ -5132,6 +5134,8 @@ int ObBackupDataClean::set_current_backup_dest()
     LOG_WARN("failed to set backup dest", K(ret), K(backup_dest_buf));
   } else if (OB_FAIL(backup_dest_option_.init(false /*is_backup_backup*/))) {
     LOG_WARN("failed to init backup dest option", K(ret));
+  } else {
+    LOG_INFO("[BACKUP_CLEAN]succ set current backup dest", K(backup_dest_buf));
   }
 
   if (OB_FAIL(ret)) {
@@ -5143,6 +5147,8 @@ int ObBackupDataClean::set_current_backup_dest()
     LOG_WARN("failed to set backup dest", K(ret), K(backup_dest_buf));
   } else if (OB_FAIL(backup_backup_dest_option_.init(true /*is_backup_backup*/))) {
     LOG_WARN("failed to init backup dest option", K(ret));
+  } else {
+    LOG_INFO("[BACKUP_CLEAN]succ set current backup backup dest", K(backup_backup_dest_buf));
   }
 
   return ret;
@@ -6115,6 +6121,8 @@ int ObBackupDataClean::get_tenant_delete_piece(const share::ObBackupCleanInfo &c
               "backup_piece",
               "tenant_id",
               clean_info.tenant_id_,
+              "round_id",
+              simple_piece_key.round_id_,
               "backup_piece_id",
               simple_piece_key.backup_piece_id_,
               "copy_id",
@@ -6303,6 +6311,8 @@ int ObBackupDataClean::prepare_delete_backup_piece_and_round(const ObBackupClean
               "backup_piece",
               "tenant_id",
               sys_clean_info.tenant_id_,
+              "round_id",
+              simple_piece_key.round_id_,
               "backup_piece_id",
               simple_piece_key.backup_piece_id_,
               "copy_id",
diff --git a/src/sql/resolver/cmd/ob_alter_system_resolver.cpp b/src/sql/resolver/cmd/ob_alter_system_resolver.cpp
index fcc911a80..e9b07452f 100644
--- a/src/sql/resolver/cmd/ob_alter_system_resolver.cpp
+++ b/src/sql/resolver/cmd/ob_alter_system_resolver.cpp
@@ -36,6 +36,7 @@
 #include "common/sql_mode/ob_sql_mode_utils.h"
 #include "sql/resolver/cmd/ob_variable_set_stmt.h"
 #include "observer/ob_server.h"
+#include "rootserver/ob_rs_event_history_table_operator.h"
 
 namespace oceanbase {
 using namespace common;
@@ -1547,6 +1548,23 @@ int check_backup_dest(const ObString& backup_dest)
     }
   }
 
+  if (OB_SUCC(ret)) {
+    share::ObBackupDest old_dest;
+    if (OB_FAIL(GCONF.backup_dest.copy(backup_dest_buf, sizeof(backup_dest_buf)))) {
+      LOG_WARN("failed to set backup dest buf", K(ret));
+    } else if (0 == strlen(backup_dest_buf)) {
+      LOG_INFO("[BACKUP_DEST]set new backup dest", K(dest));
+      ROOTSERVICE_EVENT_ADD(
+          "backup_dest", "backup_dest", "old_backup_dest", "null", "new_backup_dest", dest.root_path_);
+    } else if (OB_FAIL(old_dest.set(backup_dest_buf))) {
+      LOG_WARN("failed to set conf backup dest", K(ret), K(backup_dest_buf));
+    } else {
+      LOG_INFO("[BACKUP_DEST]set new backup dest", K(old_dest), K(dest));
+      ROOTSERVICE_EVENT_ADD(
+          "backup_dest", "backup_dest", "old_backup_dest", old_dest.root_path_, "new_backup_dest", dest.root_path_);
+    }
+  }
+
   return ret;
 }
 
@@ -1727,6 +1745,31 @@ int check_backup_backup_dest(const ObString& backup_backup_dest)
     ret = OB_INVALID_BACKUP_DEST;
     LOG_ERROR("cannot use backup backup dest with non empty directory", K(ret));
   }
+
+  if (OB_SUCC(ret)) {
+    share::ObBackupDest old_dest;
+    if (OB_FAIL(GCONF.backup_backup_dest.copy(backup_backup_dest_buf, sizeof(backup_backup_dest_buf)))) {
+      LOG_WARN("failed to set backup backup dest buf", K(ret));
+    } else if (0 == strlen(backup_backup_dest_buf)) {
+      LOG_INFO("[BACKUP_DEST]set new backup backup dest", K(dst_dest));
+      ROOTSERVICE_EVENT_ADD("backup_dest",
+          "backup_backup_dest",
+          "old_backup_backup_dest",
+          "null",
+          "new_backup_backup_dest",
+          dst_dest.root_path_);
+    } else if (OB_FAIL(old_dest.set(backup_backup_dest_buf))) {
+      LOG_WARN("failed to set conf backup backup dest", K(ret), K(backup_backup_dest_buf));
+    } else {
+      LOG_INFO("[BACKUP_DEST]set new backup backup dest", K(old_dest), K(dst_dest));
+      ROOTSERVICE_EVENT_ADD("backup_dest",
+          "backup_backup_dest",
+          "old_backup_backup_dest",
+          old_dest.root_path_,
+          "new_backup_backup_dest",
+          dst_dest.root_path_);
+    }
+  }
   return ret;
 }