diff --git a/plugins/php/conf/backup.conf b/plugins/php/conf/backup.conf
index e4f3806d0..eaa1fd87c 100644
--- a/plugins/php/conf/backup.conf
+++ b/plugins/php/conf/backup.conf
@@ -8,10 +8,10 @@ listen.group = {$PHP_GROUP}
 listen.backlog = 4096
 
 pm = dynamic
-pm.max_children = 50
+pm.max_children = 30
 pm.start_servers = 5
 pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm.max_spare_servers = 20
 pm.status_path = /phpfpm_status_{$PHP_VERSION}_backup
 pm.max_requests = 1000
 request_terminate_timeout = 30
diff --git a/plugins/php/conf/www.conf b/plugins/php/conf/www.conf
index 1512ff3e6..9a7b3fd77 100644
--- a/plugins/php/conf/www.conf
+++ b/plugins/php/conf/www.conf
@@ -8,10 +8,10 @@ listen.group = {$PHP_GROUP}
 listen.backlog = 4096
 
 pm = dynamic
-pm.max_children = 50
+pm.max_children = 30
 pm.start_servers = 5
 pm.min_spare_servers = 5
-pm.max_spare_servers = 35
+pm.max_spare_servers = 20
 pm.status_path = /phpfpm_status_{$PHP_VERSION}
 pm.max_requests = 1000
 request_terminate_timeout = 30