diff --git a/ansible/install_config/group_vars/rpm_version.yml b/ansible/install_config/group_vars/rpm_version.yml
index 3a4a8abc..8bc2d372 100644
--- a/ansible/install_config/group_vars/rpm_version.yml
+++ b/ansible/install_config/group_vars/rpm_version.yml
@@ -15,7 +15,7 @@ firewall_rpm_version:
   dns: dns-2.1.6.8cfb357
   ftp: ftp-1.0.15.1fc64fe
   http: http-2.0.12.0747ada
-  mail: mail-1.0.18.98773fe
+  mail: mail-1.0.19.e982b44
   quic: quic-2.0.6.513732e
   ssl: ssl-3.0.0.a52514a
   rtp: rtp-1.0.7.530ac76
diff --git a/ansible/roles/sapp/templates/sapp.toml.j2.j2 b/ansible/roles/sapp/templates/sapp.toml.j2.j2
index f7c038b5..37200e23 100644
--- a/ansible/roles/sapp/templates/sapp.toml.j2.j2
+++ b/ansible/roles/sapp/templates/sapp.toml.j2.j2
@@ -96,7 +96,7 @@ dictator_enable=0
 
     [packet_io.polling]
 ### note, polling_priority = call sapp_recv_pkt every call polling_entry times,     
-    polling_priority=1
+    polling_priority=100
 
     [packet_io.under_ddos]
 ### note, to reduce impact of ddos attack,set some stream bypass, all plugins will not process these streams   
diff --git a/ansible/roles/traffic-engine/files/helm/conf/sapp.toml b/ansible/roles/traffic-engine/files/helm/conf/sapp.toml
index 6562e095..837bdc7f 100644
--- a/ansible/roles/traffic-engine/files/helm/conf/sapp.toml
+++ b/ansible/roles/traffic-engine/files/helm/conf/sapp.toml
@@ -74,7 +74,7 @@ dictator_enable=0
 
     [packet_io.polling]
 ### note, polling_priority = call sapp_recv_pkt every call polling_entry times,
-    polling_priority=1
+    polling_priority=100
 
     [packet_io.under_ddos]
 ### note, to reduce impact of ddos attack,set some stream bypass, all plugins will not process these streams