diff --git a/miniapp/pages/index/index.wxml b/miniapp/pages/index/index.wxml
index 9116040..9e3e540 100644
--- a/miniapp/pages/index/index.wxml
+++ b/miniapp/pages/index/index.wxml
@@ -9,7 +9,7 @@
     <image class="tool-icon upload-trigger" src="../../assets/icons/upload.svg" mode="aspectFit" bindtap="onChooseFile" />
 
     <view class="upload-box" bindtap="onChooseFile">
-      <text class="upload-text">{{uploadMessage}}</text>
+      <text class="upload-text" user-select>{{uploadMessage}}</text>
     </view>
 
     <view class="export-box">
@@ -74,15 +74,15 @@
       </view>
     </view>
 
-    <text wx:if="{{buildError}}" class="error-text">{{buildError}}</text>
-    <text wx:if="{{parseError}}" class="error-text">{{parseError}}</text>
+    <text wx:if="{{buildError}}" class="error-text" user-select>{{buildError}}</text>
+    <text wx:if="{{parseError}}" class="error-text" user-select>{{parseError}}</text>
     <canvas class="preview-canvas" canvas-id="sankeyCanvas" id="sankeyCanvas" />
   </view>
 
   <view class="bottom-panels" style="height: {{bottomPanelsHeightPx}}px;">
     <view class="panel data-panel">
       <image class="panel-title" src="../../assets/icons/data-select.svg" mode="widthFix" />
-      <scroll-view class="data-scroll" scroll-y enhanced show-scrollbar="true">
+      <scroll-view class="data-scroll" scroll-y enhanced enable-flex show-scrollbar="true">
         <text wx:if="{{columnHeaders.length === 0}}" class="empty-tip">未加载文件，暂无列信息</text>
 
         <view class="field-group">
@@ -155,13 +155,15 @@
 
     <view class="panel log-panel">
       <image class="panel-title panel-title-log" src="../../assets/icons/information.svg" mode="widthFix" />
-      <scroll-view class="log-list" scroll-y enhanced show-scrollbar="true">
-        <text class="log-item" wx:for="{{infoLogs}}" wx:key="index">{{item}}</text>
+      <scroll-view class="log-list" scroll-y enhanced enable-flex show-scrollbar="true">
+        <text class="log-item" wx:for="{{infoLogs}}" wx:key="index" user-select>{{item}}</text>
       </scroll-view>
     </view>
   </view>
 
-  <view class="footer">@版权说明：星程社所有，反馈邮箱：douboer@gmail.com</view>
+  <view class="footer">
+    <text user-select>@版权说明：星程社所有，反馈邮箱：douboer@gmail.com</text>
+  </view>
 
   <view class="theme-sheet-mask" wx:if="{{showThemeSheet}}" bindtap="onCloseThemeSheet" />
   <view class="theme-sheet" wx:if="{{showThemeSheet}}">
@@ -170,6 +172,7 @@
       class="theme-list"
       scroll-y
       enhanced
+      enable-flex
       show-scrollbar="true"
       scroll-top="{{themeListScrollTop}}"
       scroll-with-animation
diff --git a/miniapp/utils/sankey.js b/miniapp/utils/sankey.js
index 9b50056..8687812 100644
--- a/miniapp/utils/sankey.js
+++ b/miniapp/utils/sankey.js
@@ -251,7 +251,11 @@ function parseXlsxBuffer(buffer) {
     throw new Error('当前环境未启用 xlsx 解析，请先在开发者工具执行“构建 npm”');
   }
 
-  const workbook = xlsx.read(buffer, { type: 'array' });
+  const workbook = xlsx.read(buffer, {
+    type: 'array',
+    // 兼容部分旧版 xls 在小程序环境下的中文 codepage 解析。
+    codepage: 936
+  });
   const firstSheetName = workbook.SheetNames[0];
   if (!firstSheetName) {
     throw new Error('Excel 文件中没有工作表');
diff --git a/src/core/parser.ts b/src/core/parser.ts
index 9026ac3..3e64178 100644
--- a/src/core/parser.ts
+++ b/src/core/parser.ts
@@ -82,7 +82,11 @@ export function parseCsvText(csvText: string): RawTable {
  * 解析 xlsx 的二进制数据。
  */
 export function parseXlsxBuffer(buffer: ArrayBuffer): RawTable {
-  const workbook = XLSX.read(buffer, { type: 'array' });
+  const workbook = XLSX.read(buffer, {
+    type: 'array',
+    // 兼容部分旧版 xls 在浏览器环境下的中文 codepage 解析。
+    codepage: 936
+  });
   const firstSheetName = workbook.SheetNames[0];
 
   if (!firstSheetName) {