fix(wish-tree): 图片扩展名改为 .jpg

- 实际格式是 JPEG，扩展名从 .png 改为 .jpg
- 大小 332KB，远低于微信 2M 限制

mini/pages/settings/settings.js

@@ -1,3 +1,5 @@
+const versionInfo = require('../../utils/version.js');
+
 Page({
   data: {
     userInfo: null,
@@ -6,7 +8,11 @@ Page({
     solarTime: true,
     showBuddhist: false,
     highlightLunar: true,
-    bookmarks: []
+    bookmarks: [],
+    version: versionInfo.version,
+    buildNumber: versionInfo.buildNumber,
+    buildTime: versionInfo.buildTime,
+    commitSha: versionInfo.commitSha
   },
 
   onLoad() {

mini/pages/settings/settings.wxml

@@ -92,7 +92,8 @@
   <view class="card">
     <view class="section-title">关于</view>
     <view class="text-sm text-muted">
-      <text>老黄历小程序 v1.0.1</text>
+      <text>老黄历小程序 v{{version}}</text>
+      <text class="block mt-1" wx:if="{{buildNumber !== '0'}}">构建 #{{buildNumber}} ({{commitSha}})</text>
       <text class="block mt-1">提供农历、黄历、八字、许愿等功能</text>
     </view>
   </view>