diff --git a/src/Api/WebSocketV3/SocketServer.php b/src/Api/WebSocketV3/SocketServer.php
index de2fccf..52c7173 100644
--- a/src/Api/WebSocketV3/SocketServer.php
+++ b/src/Api/WebSocketV3/SocketServer.php
@@ -158,6 +158,9 @@ private function onClose($global){
             if($con->tag=='public'){
                 $this->log($con->tag.' reconnection');
 
+                //Clear public cached data
+                foreach ($this->local_global['public'] as $k=>$v) unset($this->local_global['public'][$k]);
+
                 $this->reconnection($global,'public');
             }else{
                 $this->log('private connection close,ready to reconnect '.$con->tag_keysecret['key']);
diff --git a/src/Api/WebSocketV5/SocketServer.php b/src/Api/WebSocketV5/SocketServer.php
index 37b42d0..9b538bd 100644
--- a/src/Api/WebSocketV5/SocketServer.php
+++ b/src/Api/WebSocketV5/SocketServer.php
@@ -178,6 +178,9 @@ private function onClose($global){
             if($con->tag=='public'){
                 $this->log($con->tag.' reconnection');
 
+                //Clear public cached data
+                foreach ($this->local_global['public'] as $k=>$v) unset($this->local_global['public'][$k]);
+
                 $this->reconnection($global,'public');
             }else{
                 $this->log('private connection close,ready to reconnect '.$con->tag_keysecret['key']);