diff --git a/README.md b/README.md
index d616099..2e3dacd 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ Now it also try to support p2p connect.
 
 frp is under development and you can try it with latest release version. Master branch for releasing stable version when dev branch for developing.
 
-**We may change any protocol and can't promise backward compatible. Please check the release log when upgrading.**
+**We may change any protocol and can't promise backward compatibility. Please check the release log when upgrading.**
 
 ## Architecture
 
diff --git a/server/control.go b/server/control.go
index 4e13cf2..bb802a7 100644
--- a/server/control.go
+++ b/server/control.go
@@ -137,6 +137,10 @@ func NewControl(rc *controller.ResourceController, pxyManager *proxy.ProxyManage
 	statsCollector stats.Collector, ctlConn net.Conn, loginMsg *msg.Login,
 	serverCfg config.ServerCommonConf) *Control {
 
+	poolCount := loginMsg.PoolCount
+	if poolCount > int(serverCfg.MaxPoolCount) {
+		poolCount = int(serverCfg.MaxPoolCount)
+	}
 	return &Control{
 		rc:              rc,
 		pxyManager:      pxyManager,
@@ -145,9 +149,9 @@ func NewControl(rc *controller.ResourceController, pxyManager *proxy.ProxyManage
 		loginMsg:        loginMsg,
 		sendCh:          make(chan msg.Message, 10),
 		readCh:          make(chan msg.Message, 10),
-		workConnCh:      make(chan net.Conn, loginMsg.PoolCount+10),
+		workConnCh:      make(chan net.Conn, poolCount+10),
 		proxies:         make(map[string]proxy.Proxy),
-		poolCount:       loginMsg.PoolCount,
+		poolCount:       poolCount,
 		portsUsedNum:    0,
 		lastPing:        time.Now(),
 		runId:           loginMsg.RunId,