diff --git a/apps/emqx_management/src/emqx_management.app.src b/apps/emqx_management/src/emqx_management.app.src
index e8b235be7..bee65781a 100644
--- a/apps/emqx_management/src/emqx_management.app.src
+++ b/apps/emqx_management/src/emqx_management.app.src
@@ -1,6 +1,6 @@
 {application, emqx_management,
  [{description, "EMQ X Management API and CLI"},
-  {vsn, "4.3.10"}, % strict semver, bump manually!
+  {vsn, "4.3.11"}, % strict semver, bump manually!
   {modules, []},
   {registered, [emqx_management_sup]},
   {applications, [kernel,stdlib,minirest]},
diff --git a/apps/emqx_management/src/emqx_mgmt_data_backup.erl b/apps/emqx_management/src/emqx_mgmt_data_backup.erl
index 119906c7e..9623c6682 100644
--- a/apps/emqx_management/src/emqx_mgmt_data_backup.erl
+++ b/apps/emqx_management/src/emqx_mgmt_data_backup.erl
@@ -495,7 +495,7 @@ is_new_acl_data(#{<<"action">> := _, <<"access">> := _,
 is_new_acl_data(_) -> false.
 
 is_old_acl_data(#{<<"login">> := _, <<"topic">> := _,
-    <<"allow">> := Allow, <<"action">> := _}) -> is_boolean(Allow);
+    <<"allow">> := Allow, <<"action">> := _}) -> is_boolean(any_to_atom(Allow));
 is_old_acl_data(_) -> false.
 
 do_import_acl_mnesia_by_old_data(Acls) ->