diff --git a/src/EngineEntrance.js b/src/EngineEntrance.js
index ff2fa50..93a7509 100644
--- a/src/EngineEntrance.js
+++ b/src/EngineEntrance.js
@@ -32,7 +32,7 @@ import QuestionApe from 'apes/QuestionApe';
 import UTF8 from 'utf-8';
 
 let loger = Loger.getLoger('McuClient');
-let _sdkInfo = {"version": "v1.31.11.20170613", "author": "www.3mang.com"};
+let _sdkInfo = {"version": "v1.32.0.20170613", "author": "www.3mang.com"};
 
 //APE
 let _sass;
diff --git a/src/apes/VideoApe.js b/src/apes/VideoApe.js
index 4b6c7fe..5e23bdd 100644
--- a/src/apes/VideoApe.js
+++ b/src/apes/VideoApe.js
@@ -243,10 +243,10 @@ class VideoApe extends Ape {
     //停止桌面共享推流
     stopPublishScreenShare(_param) {
         loger.log('停止桌面共享推流->',_param);
-        //if(!this.mcu.connected){
-        //    loger.warn(GlobalConfig.getCurrentStatus());
-        //    return {"code": ApeConsts.RETURN_FAILED, "data": "已经断开连接"};
-        //}
+        if(!this.mcu.connected){
+            loger.warn(GlobalConfig.getCurrentStatus());
+            return {"code": ApeConsts.RETURN_FAILED, "data": "已经断开连接"};
+        }
         let channelInfo=this.shareApe.getDefaultChannelInfo();
         channelInfo.status=ApeConsts.CHANNEL_STATUS_RELEASED;
         this.sendTableUpdateHandler(channelInfo);