diff --git a/README.md b/README.md
index 448119d367..56d21eee9f 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ DataEase 是开源的数据可视化分析工具，帮助用户快速分析数
 
 -   环境地址：<https://demo.dataease.io/>
 -   用户名：demo
--   密码：P@ssw0rd123..
+-   密码：dataease
 
 ## 快速开始
 
@@ -50,11 +50,11 @@ curl -sSL https://github.com/dataease/dataease/releases/latest/download/quick_st
 ```
 
 -   [在线文档](https://dataease.io/docs/)
--   [演示视频](https://dataease.oss-cn-hangzhou.aliyuncs.com/video/de-v1-demo.mp4)
+-   [演示视频](https://www.bilibili.com/video/BV1UB4y1K7jA)
 
 ## 微信群
 
-![wechat-group](https://dataease.oss-cn-hangzhou.aliyuncs.com/img/wechat-group.png)
+<img src="https://dataease.oss-cn-hangzhou.aliyuncs.com/img/wechat-group.png" width="156" height="156"/>
 
 ## 技术栈
 
diff --git a/frontend/src/views/dataset/common/DatasetGroupSelector.vue b/frontend/src/views/dataset/common/DatasetGroupSelector.vue
index d3174bfab1..8e0bf542e0 100644
--- a/frontend/src/views/dataset/common/DatasetGroupSelector.vue
+++ b/frontend/src/views/dataset/common/DatasetGroupSelector.vue
@@ -78,30 +78,35 @@
           </el-form-item>
         </el-form>
       </el-row>
-      <el-tree
-        :data="tableData"
-        node-key="id"
-        :expand-on-click-node="true"
-        class="tree-list"
-        highlight-current
-        @node-click="sceneClick"
-      >
-        <span slot-scope="{ node, data }" class="custom-tree-node-list">
-          <span :id="data.id" style="display: flex;flex: 1;width: 0;">
-            <span>
-              <svg-icon v-if="data.type === 'db'" icon-class="ds-db" class="ds-icon-db" />
-              <svg-icon v-if="data.type === 'sql'" icon-class="ds-sql" class="ds-icon-sql" />
-              <svg-icon v-if="data.type === 'excel'" icon-class="ds-excel" class="ds-icon-excel" />
-              <svg-icon v-if="data.type === 'custom'" icon-class="ds-custom" class="ds-icon-custom" />
+
+      <el-col class="custom-tree-container">
+        <div class="block" :style="treeStyle">
+          <el-tree
+            :data="tableData"
+            node-key="id"
+            :expand-on-click-node="true"
+            class="tree-list"
+            highlight-current
+            @node-click="sceneClick"
+          >
+            <span slot-scope="{ node, data }" class="custom-tree-node-list">
+              <span :id="data.id" style="display: flex;flex: 1;width: 0;">
+                <span>
+                  <svg-icon v-if="data.type === 'db'" icon-class="ds-db" class="ds-icon-db" />
+                  <svg-icon v-if="data.type === 'sql'" icon-class="ds-sql" class="ds-icon-sql" />
+                  <svg-icon v-if="data.type === 'excel'" icon-class="ds-excel" class="ds-icon-excel" />
+                  <svg-icon v-if="data.type === 'custom'" icon-class="ds-custom" class="ds-icon-custom" />
+                </span>
+                <span v-if="data.type === 'db' || data.type === 'sql'">
+                  <span v-if="data.mode === 0" style="margin-left: 6px"><i class="el-icon-s-operation" /></span>
+                  <span v-if="data.mode === 1" style="margin-left: 6px"><i class="el-icon-alarm-clock" /></span>
+                </span>
+                <span style="margin-left: 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;" :title="data.name">{{ data.name }}</span>
+              </span>
             </span>
-            <span v-if="data.type === 'db' || data.type === 'sql'">
-              <span v-if="data.mode === 0" style="margin-left: 6px"><i class="el-icon-s-operation" /></span>
-              <span v-if="data.mode === 1" style="margin-left: 6px"><i class="el-icon-alarm-clock" /></span>
-            </span>
-            <span style="margin-left: 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;" :title="data.name">{{ data.name }}</span>
-          </span>
-        </span>
-      </el-tree>
+          </el-tree>
+        </div>
+      </el-col>
     </el-col>
   </el-col>
 </template>