diff --git a/src/rootserver/ob_ddl_service.cpp b/src/rootserver/ob_ddl_service.cpp
index aeefee991d..2bfda94d8a 100755
--- a/src/rootserver/ob_ddl_service.cpp
+++ b/src/rootserver/ob_ddl_service.cpp
@@ -25352,8 +25352,11 @@ int ObDDLService::drop_tenant(const ObDropTenantArg &arg)
       FLOG_INFO("is standby tenant, need drop force", K(tenant_info));
     }
   }
-
-  if (FAILEDx(schema_guard.get_schema_version(OB_SYS_TENANT_ID, refreshed_schema_version))) {
+  if (OB_FAIL(ret)) {
+    // ignore
+  } else if (OB_ISNULL(tenant_schema)) {
+    // We need to ignore the drop tenant if exists statement in the case that the tenant has already been deleted
+  } else if (OB_FAIL(schema_guard.get_schema_version(OB_SYS_TENANT_ID, refreshed_schema_version))) {
     LOG_WARN("failed to get tenant schema version", KR(ret));
   } else if (OB_FAIL(trans.start(sql_proxy_, OB_SYS_TENANT_ID, refreshed_schema_version))) {
     LOG_WARN("start transaction failed", KR(ret), K(user_tenant_id), K(refreshed_schema_version));
diff --git a/src/share/ob_debug_sync_point.h b/src/share/ob_debug_sync_point.h
index 08fbe16f26..f4fc7fdd29 100755
--- a/src/share/ob_debug_sync_point.h
+++ b/src/share/ob_debug_sync_point.h
@@ -561,6 +561,7 @@ class ObString;
     ACT(BEFORE_CHECK_LS_TRANSFER_SCN_FOR_STANDBY,)\
     ACT(BEFORE_GET_CONFIG_VERSION_AND_TRANSFER_SCN,)\
     ACT(LS_GC_BEFORE_OFFLINE,)\
+    ACT(BEFORE_DROP_TENANT,)\
     ACT(MAX_DEBUG_SYNC_POINT,)
 
 DECLARE_ENUM(ObDebugSyncPoint, debug_sync_point, OB_DEBUG_SYNC_POINT_DEF);
diff --git a/src/sql/engine/cmd/ob_tenant_executor.cpp b/src/sql/engine/cmd/ob_tenant_executor.cpp
index 0687846c77..e4f0f7d92f 100644
--- a/src/sql/engine/cmd/ob_tenant_executor.cpp
+++ b/src/sql/engine/cmd/ob_tenant_executor.cpp
@@ -777,11 +777,14 @@ int ObDropTenantExecutor::execute(ObExecContext &ctx, ObDropTenantStmt &stmt)
       LOG_USER_ERROR(OB_TENANT_NOT_EXIST, drop_tenant_arg.tenant_name_.length(), drop_tenant_arg.tenant_name_.ptr());
       LOG_WARN("tenant not exist", KR(ret), K(drop_tenant_arg));
     }
-  } else if (OB_FAIL(common_rpc_proxy->drop_tenant(drop_tenant_arg))) {
-    LOG_WARN("rpc proxy drop tenant failed", K(ret));
-  } else if (OB_FAIL(check_tenant_has_been_dropped_(
-             ctx, stmt, tenant_schema->get_tenant_id()))) {
-    LOG_WARN("fail to check tenant has been dropped", KR(ret), KPC(tenant_schema));
+  } else {
+    DEBUG_SYNC(BEFORE_DROP_TENANT);
+    if (OB_FAIL(common_rpc_proxy->drop_tenant(drop_tenant_arg))) {
+      LOG_WARN("rpc proxy drop tenant failed", K(ret));
+    } else if (OB_FAIL(check_tenant_has_been_dropped_(
+              ctx, stmt, tenant_schema->get_tenant_id()))) {
+      LOG_WARN("fail to check tenant has been dropped", KR(ret), KPC(tenant_schema));
+    }
   }
   return ret;
 }