diff --git a/0001-adjusting-maximum-number-of-connections-for-per-user.patch b/0001-adjusting-maximum-number-of-connections-for-per-user.patch
new file mode 100644
index 0000000000000000000000000000000000000000..38fc9ca9ef373fa1248cfab93f9c5a024c13cca6
--- /dev/null
+++ b/0001-adjusting-maximum-number-of-connections-for-per-user.patch
@@ -0,0 +1,50 @@
+From b9e85e0b870045a95101b0d8395b103025e9ab10 Mon Sep 17 00:00:00 2001
+From: hanjinpeng <hanjinpeng@kylinos.cn>
+Date: Tue, 2 Jul 2024 09:45:41 +0800
+Subject: [PATCH] adjusting maximum number of connections for per user
+
+---
+ bus/config-parser.c | 4 ++--
+ bus/system.conf.in  | 4 ++--
+ 2 files changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/bus/config-parser.c b/bus/config-parser.c
+index 9f2e3c7..a13b32b 100644
+--- a/bus/config-parser.c
++++ b/bus/config-parser.c
+@@ -516,14 +516,14 @@ bus_config_parser_new (const DBusString      *basedir,
+       parser->limits.pending_fd_timeout = 150000; /* 2.5 minutes */
+       
+       parser->limits.max_incomplete_connections = 64;
+-      parser->limits.max_connections_per_user = 256;
++      parser->limits.max_connections_per_user = 512;
+       parser->limits.max_containers_per_user = 16;
+       
+       /* Note that max_completed_connections / max_connections_per_user
+        * is the number of users that would have to work together to
+        * DOS all the other users. The same applies to containers.
+        */
+-      parser->limits.max_completed_connections = 2048;
++      parser->limits.max_completed_connections = 4096;
+       parser->limits.max_containers = 512;
+       /* Similarly max_connections_per_user / max_connections_per_container
+        * is the number of app-containers per user that would have to work
+diff --git a/bus/system.conf.in b/bus/system.conf.in
+index d2f3244..f53504c 100644
+--- a/bus/system.conf.in
++++ b/bus/system.conf.in
+@@ -119,9 +119,9 @@
+   <!-- <limit name="service_start_timeout">25000</limit> -->
+   <!-- <limit name="auth_timeout">5000</limit> -->
+   <!-- <limit name="pending_fd_timeout">150000</limit> -->
+-  <!-- <limit name="max_completed_connections">2048</limit> -->
++  <!-- <limit name="max_completed_connections">4096</limit> -->
+   <!-- <limit name="max_incomplete_connections">64</limit> -->
+-  <!-- <limit name="max_connections_per_user">256</limit> -->
++  <!-- <limit name="max_connections_per_user">512</limit> -->
+   <!-- <limit name="max_pending_service_starts">512</limit> -->
+   <!-- <limit name="max_names_per_connection">512</limit> -->
+   <!-- <limit name="max_match_rules_per_connection">512</limit> -->
+-- 
+2.27.0
+
diff --git a/dbus.spec b/dbus.spec
index b63fb3a25653ada734b4e39db2e684457bf8551f..c3a790a2a78ccd33adfbdea343725c75fb83ecaa 100644
--- a/dbus.spec
+++ b/dbus.spec
@@ -1,7 +1,7 @@
 Name:     dbus
 Epoch:    1
 Version:  1.14.8
-Release:  2
+Release:  3
 Summary:  System Message Bus
 License:  AFLv3.0 or GPLv2+
 URL:      http://www.freedesktop.org/Software/dbus/
@@ -10,6 +10,7 @@ Source1:  00-start-message-bus.sh
 
 Patch0001:  bugfix-let-systemd-restart-dbus-when-the-it-enters-failed.patch
 Patch0002:  print-load-average-when-activate-service-timeout.patch
+Patch0003:  0001-adjusting-maximum-number-of-connections-for-per-user.patch
 
 Patch6001:  backport-tools-Use-Python3-for-GetAllMatchRules.patch
 Patch6002:  backport-Do-not-crash-when-reloading-configuration.patch
@@ -225,6 +226,9 @@ fi
 %exclude %{_pkgdocdir}/README
 
 %changelog
+* Wed Jul 3 2024 Han Jinpeng <hanjinpeng@kylinos.cn> - 1:1.14.8-3
+- Adjust the maximum number of connections for dbus users, fix the issue of insufficient connections
+
 * Wed Feb 21 2024 hongjinghao <hongjinghao@huawei.com> - 1:1.14.8-2
 - add backport-Do-not-crash-when-reloading-configuration.patch