diff --git a/src/websocket-server/src/Context.php b/src/websocket-server/src/Context.php
index 4ba64bbd6..cf0bacef3 100644
--- a/src/websocket-server/src/Context.php
+++ b/src/websocket-server/src/Context.php
@@ -15,7 +15,7 @@ use Hyperf\Utils\Context as CoContext;
 
 class Context
 {
-    const FD = 'fd';
+    const FD = 'ws.fd';
 
     /**
      * @var array