diff --git a/config/sys-dev.config b/config/sys-dev.config
index 9fecc45..aebdbef 100644
--- a/config/sys-dev.config
+++ b/config/sys-dev.config
@@ -2,21 +2,21 @@
   {iot, [
     {http_server, [
       {port, 18090},
-      {acceptors, 500},
-      {max_connections, 10240},
-      {backlog, 10240}
+      {acceptors, 5},
+      {max_connections, 1024},
+      {backlog, 1024}
     ]},
 
     {ssl_server, [
       {port, 443},
-      {acceptors, 500},
-      {max_connections, 10240},
-      {backlog, 10240}
+      {acceptors, 5},
+      {max_connections, 1024},
+      {backlog, 1024}
     ]},
 
     {redis_server, [
       {port, 16379},
-      {acceptors, 500},
+      {acceptors, 10},
       {max_connections, 10240},
       {backlog, 10240}
     ]},
diff --git a/config/sys-prod.config b/config/sys-prod.config
index da4d237..8d4364f 100644
--- a/config/sys-prod.config
+++ b/config/sys-prod.config
@@ -2,21 +2,21 @@
   {iot, [
     {http_server, [
       {port, 18080},
-      {acceptors, 500},
-      {max_connections, 10240},
-      {backlog, 10240}
+      {acceptors, 5},
+      {max_connections, 1024},
+      {backlog, 1024}
     ]},
 
     {ssl_server, [
-      {port, 18092},
-      {acceptors, 500},
-      {max_connections, 10240},
-      {backlog, 10240}
+      {port, 1443},
+      {acceptors, 5},
+      {max_connections, 1024},
+      {backlog, 1024}
     ]},
 
     {redis_server, [
       {port, 16379},
-      {acceptors, 500},
+      {acceptors, 5},
       {max_connections, 10240},
       {backlog, 10240}
     ]},