diff --git a/messages/zh-CN.json b/messages/zh-CN.json
index 60944fe9c..3903508d7 100644
--- a/messages/zh-CN.json
+++ b/messages/zh-CN.json
@@ -3587,7 +3587,8 @@
     "sshPrivateKeyPlaceholder": "-----BEGIN OPENSSH PRIVATE KEY-----",
     "sshPrivateKeyRequired": "需要私钥",
     "vncTitle": "VNC",
-    "vncSignInDescription": "输入您的 VNC 密码以连接",
+    "vncSignInDescription": "Enter your VNC credentials to connect",
+    "vncUsernameOptional": "Username (optional)",
     "vncPasswordOptional": "密码 (可选)",
     "vncNoResourceTarget": "没有可用的资源目标",
     "vncFailedToLoadNovnc": "加载 noVNC 失败",