diff --git a/src/EngineEntrance.js b/src/EngineEntrance.js
index b30d823..2cc71f4 100644
--- a/src/EngineEntrance.js
+++ b/src/EngineEntrance.js
@@ -63,7 +63,7 @@ export default class MessageEntrance extends Emiter {
     super();
     this.lastClassActiveTime=0;//最后一次课堂激活的时间戳
     //sdk 信息
-    GlobalConfig.sdkVersion = "v2.38.1.201712011";
+    GlobalConfig.sdkVersion = "v2.38.3.201712011";
     loger.warn("sdkVersion:" + GlobalConfig.sdkVersion);
     console.log("sdkVersion:" + GlobalConfig.sdkVersion);
     //设置
@@ -767,12 +767,56 @@ export default class MessageEntrance extends Emiter {
 
   // 通过SASS平台验证(密码和MD5)
   _sassJoinSuccessHandler(_data) {
-    //SAAS获取课堂最完整的数据
+    //先获取白板配置再获取课堂完整信息
+    try{
+      if(_ipManager){
+
+        _ipManager.loadWhiteboardJosn((_callbackInfo)=>{
+          loger.log("获取白板配置JOSN返回->",_callbackInfo);
+          if(_callbackInfo&&_callbackInfo.data){
+            let siteWhiteboradData=_callbackInfo.data[GlobalConfig.siteId];
+            if(siteWhiteboradData){
+              /*  itemIdx: GlobalConfig.whiteboardId,//指定的白板文档ID
+                name: "白板.pdf",
+                creatUserId: 0,
+                md5: "b153313f6f390328a30db5389b6cee53",
+                pageNum: 30,
+                docId: "b153313f6f390328a30db5389b6cee53",
+                url: "http://pclive.xuedianyun.com/DocSharing/data/whiteboard/default/whiteboard.pdf",
+                dynamicTransferStatic: "0",
+                relativeUrl: "/DocSharing/data/whiteboard/default/whiteboard.pdf",
+                fileType: "pdf",
+                type:"pdf"*/
+              GlobalConfig.whiteboardForSiteId={};
+              GlobalConfig.whiteboardForSiteId.itemIdx=GlobalConfig.whiteboardId;
+              GlobalConfig.whiteboardForSiteId.name=siteWhiteboradData.name;
+              GlobalConfig.whiteboardForSiteId. creatUserId= siteWhiteboradData.creatUserId;
+              GlobalConfig.whiteboardForSiteId. md5=siteWhiteboradData.md5;
+              GlobalConfig.whiteboardForSiteId. pageNum= parseInt(siteWhiteboradData.pageNum);
+              GlobalConfig.whiteboardForSiteId. docId=siteWhiteboradData.docId;
+              GlobalConfig.whiteboardForSiteId. url=siteWhiteboradData.url;
+              GlobalConfig.whiteboardForSiteId.dynamicTransferStatic=siteWhiteboradData.dynamicTransferStatic;
+              GlobalConfig.whiteboardForSiteId.relativeUrl=siteWhiteboradData.relativeUrl;
+              GlobalConfig.whiteboardForSiteId. fileType=siteWhiteboradData.fileType;
+              GlobalConfig.whiteboardForSiteId. type=siteWhiteboradData.type;
+              loger.log("站点已经有配置白板文档->使用站点私有的白板");
+            }
+          }
+          this._getClassFullParam();
+        });
+      }else {
+        this._getClassFullParam();
+      }
+    }catch (err){
+      this._getClassFullParam();
+    }
+  }
+  //SAAS获取课堂最完整的数据
+  _getClassFullParam(){
     if (_sass) {
       _sass.getClassParam();
     }
   }
-
   //加载本地Server.json文件,UserIp获取ip信息,选点
   loadServerJsonAndgetUserIpInfo() {
     let _this = this;
@@ -1897,6 +1941,7 @@ export default class MessageEntrance extends Emiter {
       GlobalConfig.setVideoCDNAddr(_data.videoCDNAddr); //cdn加速的拉流地址,直播的时候才使用
       GlobalConfig.setMediaShareList(_data.sharedMediaList); //提前上传的媒体共享文件列表
 
+      /*
       //设置白板文档,固定ID
       let whiteBoradData = {
         itemIdx: GlobalConfig.whiteboardId,//指定的白板文档ID
@@ -1911,7 +1956,14 @@ export default class MessageEntrance extends Emiter {
         fileType: "pdf",
         type:"pdf"
       }
-      GlobalConfig.docListPrepare.push(whiteBoradData);
+       GlobalConfig.docListPrepare.push(whiteBoradData);
+      */
+      if(GlobalConfig.whiteboardForSiteId&&Object.keys(GlobalConfig.whiteboardForSiteId).length>1){
+        GlobalConfig.docListPrepare.push(GlobalConfig.whiteboardForSiteId);
+      }else {
+        loger.log("站点没有配置白板文档->使用默认白板");
+        GlobalConfig.docListPrepare.push(GlobalConfig.whiteboardDefault);
+      }
 
       let appConfigStr = _data.appConfig;
       appConfigStr = _base64.decode(appConfigStr);
diff --git a/src/GlobalConfig.js b/src/GlobalConfig.js
index 16a0404..5d21a9d 100644
--- a/src/GlobalConfig.js
+++ b/src/GlobalConfig.js
@@ -651,10 +651,31 @@ GlobalConfig.updateRecordTimeDelay = 5; //(秒),同步一次课堂录制状态
 GlobalConfig.updateClassInfoDelay = 10; //(秒),同步一次课堂状态的并保存到Sass
 GlobalConfig.msDynamicChooseIpDelay = 60 * 3; //(秒)MS动态选点的间隔
 //GlobalConfig.serverTimestamp=0;//当前的系统时间戳 用get  set 获取
-GlobalConfig.whiteboardId = 2359297;//白板文档的ID
+
 GlobalConfig.activeDocId = 0; //当前激活的文档ID
 GlobalConfig.activeDocCurPage = 1; //当前激活的文档的当前页
 
+//白板
+GlobalConfig.whiteboardId = 2359297;//白板文档的ID
+GlobalConfig.whiteboardJsonPath = "pclive.xuedianyun.com/DocSharing/data/whiteboard/whiteboard.json";//白板文档配置地址
+//默认的白板数据
+GlobalConfig.whiteboardDefault={
+  itemIdx: GlobalConfig.whiteboardId,//指定的白板文档ID
+  name: "白板.pdf",
+  creatUserId: 0,
+  md5: "b153313f6f390328a30db5389b6cee53",
+  pageNum: 30,
+  docId: "b153313f6f390328a30db5389b6cee53",
+  url: "http://pclive.xuedianyun.com/DocSharing/data/whiteboard/default/whiteboard.pdf",
+  dynamicTransferStatic: "0",
+  relativeUrl: "/DocSharing/data/whiteboard/default/whiteboard.pdf",
+  fileType: "pdf",
+  type:"pdf"
+};
+
+GlobalConfig.whiteboardForSiteId=null;//站点私有的白板数据
+
+
 GlobalConfig.activeMediaId = 0; //当前显示的媒体文件的id
 GlobalConfig.activeMediaSeek = 1; //当前的媒体文件的播放进度seek点
 
@@ -695,6 +716,8 @@ GlobalConfig.appRecordingKey = "";
 GlobalConfig.channelId = "";
 GlobalConfig.channelKey = "";
 GlobalConfig.userUid = 0;
+
+GlobalConfig.videoScale = 1;//视频的缩放倍数,默认1倍无缩放
 GlobalConfig.recordInterfaces = "";//控制开启录制和录制状态改变的接口
 GlobalConfig.getRecordInfoInterfaces = "";//获取媒体录制信息数据的接口
 GlobalConfig.stopRecordingInterfaces = "";//停止录制的接口
@@ -702,7 +725,6 @@ GlobalConfig.getTxRecordInfoInterfaces = "";//获取媒体录制信息数据的�
 GlobalConfig.getRecordFileURLAgoInterfaces = "";//获取媒体录制信息数据的接口(ago)
 GlobalConfig.getChannelToken = "";//获取token的地址
 GlobalConfig.recordFileSever = "";//录制文件路径和文件地址(ago)
-GlobalConfig.videoScale = 1;//视频的缩放倍数,默认1倍无缩放
 
 export default GlobalConfig;
 
diff --git a/src/IpManager.js b/src/IpManager.js
index 45271f2..a1ae6dd 100644
--- a/src/IpManager.js
+++ b/src/IpManager.js
@@ -22,6 +22,47 @@ class IpManager extends Emiter {
     constructor() {
         super();
     }
+    //获取本地白板配置json
+    loadWhiteboardJosn(_callback){
+        //-------------加载本地数据的代码-------------------
+        let callbackInfo = {
+            ret: -1
+        };
+        let timestamp=new Date().getTime();
+        let url = `${GlobalConfig.locationProtocol+GlobalConfig.whiteboardJsonPath}?v=${timestamp}`;
+        loger.log("获取白板配置信息->", url);
+        fetch(url, {
+            timeout: 3000
+        })
+          .then(ret => {
+              if (ret.ok) {
+                  return ret.json();
+              } else {
+                  loger.error(`获取白板配置信息-网络异常.状态码:${ret.status}`);
+                  if (_callback) {
+                      _callback(callbackInfo);
+                  }
+                  return;
+              }
+          })
+          .then(ret => {
+              if (ret) {
+                  callbackInfo.data=ret;
+                  callbackInfo.ret=1;
+              }
+              loger.log('获取白板配置信息->完成->');
+              if (_callback) {
+                  _callback(callbackInfo);
+              }
+          })
+          .catch(err => {
+              loger.error(`获取白板配置信息-异常.状态码:${err}`);
+              if (_callback) {
+                  _callback(callbackInfo);
+              }
+          });
+    }
+
     //获取本地Server JSON
     loadServerJosn(_callback){
         //20170803-不再加载本地的server.json数据,以后都从Sass获取