diff --git a/bigbluebutton-html5/public/locales/zh_CN.json b/bigbluebutton-html5/public/locales/zh_CN.json
index a052e91..8fb9873 100644
--- a/bigbluebutton-html5/public/locales/zh_CN.json
+++ b/bigbluebutton-html5/public/locales/zh_CN.json
@@ -345,15 +345,15 @@
     "app.talkingIndicator.isTalking" : "{0} 正在说话...",
     "app.talkingIndicator.wasTalking" : "{0} 沉默了",
     "app.actionsBar.actionsDropdown.actionsLabel": "操作",
-    "app.actionsBar.actionsDropdown.initPollLabel": "发起投票1",
+    "app.actionsBar.actionsDropdown.initPollLabel": "发起互动",
     "app.actionsBar.actionsDropdown.desktopShareLabel": "分享您的桌面",
     "app.actionsBar.actionsDropdown.lockedDesktopShareLabel": "屏幕分享已锁定",
     "app.actionsBar.actionsDropdown.stopDesktopShareLabel": "停止分享您的桌面",
     "app.actionsBar.actionsDropdown.presentationDesc": "上传您的演示文件",
-    "app.actionsBar.actionsDropdown.initPollDesc": "发起投票1",
+    "app.actionsBar.actionsDropdown.initPollDesc": "发起互动",
     "app.actionsBar.actionsDropdown.desktopShareDesc": "和参会者分享您的桌面操作演示",
     "app.actionsBar.actionsDropdown.stopDesktopShareDesc": "停止分享您的桌面演示给",
-    "app.actionsBar.actionsDropdown.pollBtnLabel": "发起投票1",
+    "app.actionsBar.actionsDropdown.pollBtnLabel": "发起互动",
     "app.actionsBar.actionsDropdown.pollBtnDesc": "打开投票面板",
     "app.actionsBar.actionsDropdown.saveUserNames": "保存用户名",
     "app.actionsBar.actionsDropdown.createBreakoutRoom": "创建分组讨论会议室",
@@ -779,7 +779,25 @@
     "app.guest-policy.button.askModerator": "询问主持人",
     "app.guest-policy.button.alwaysAccept": "总是接受",
     "app.guest-policy.button.alwaysDeny": "总是拒绝",
-    "app.guest-policy.policyBtnDesc": "设置会议访客策略"
+    "app.guest-policy.policyBtnDesc": "设置会议访客策略",
+
+    "app.presentation.options.fullscreen": "全屏演示",
+    "app.presentation.options.exitFullscreen": "退出全屏幕",
+    "app.presentation.options.minimize": "最小化",
+    "app.presentation.options.snapshot": "截屏",
+    "app.presentation.options.downloading": "正在下载...",
+    "app.presentation.options.downloaded": "当前演示文稿已下载",
+    "app.presentation.options.downloadFailed": "无法下载当前演示文稿",
+
+
+    "app.videoDock.webcamPinLabel": "Pin码",
+    "app.videoDock.webcamPinDesc": "Pin the selected webcam",
+    "app.videoDock.webcamFullscreenLabel": "摄像头全屏",
+    "app.videoDock.webcamSqueezedButtonLabel": "摄像头选项",
+    "app.videoDock.webcamUnpinLabel": "取消固定",
+    "app.videoDock.webcamUnpinLabelDisabled": "只有版主可以取消固定用户",
+    "app.videoDock.webcamUnpinDesc": "取消固定选定的网络摄像头"
+
 
 
 }