diff --git a/.gitea/workflows/miniapp-preview.yml b/.gitea/workflows/miniapp-preview.yml
index 9836635..fb80c62 100644
--- a/.gitea/workflows/miniapp-preview.yml
+++ b/.gitea/workflows/miniapp-preview.yml
@@ -31,6 +31,7 @@ jobs:
         env:
           MINIAPP_BUILD_NUMBER: ${{ gitea.run_number }}
           MINIAPP_VERSION_OVERRIDE: ${{ vars.MINIAPP_VERSION_OVERRIDE }}
+          GITEA_SHA: ${{ gitea.sha }}
         run: |
           test -n "$MINIAPP_BUILD_NUMBER"
           VERSION="$(node -e 'const {resolveVersion}=require("./ci/resolve-version.cjs"); process.stdout.write(resolveVersion(process.cwd()))')"
@@ -38,6 +39,25 @@ jobs:
           mkdir -p ci-artifacts
           printf '%s\n' "$VERSION" > ci-artifacts/resolved-version.txt
           echo "Resolved Mini Program version for build+upload: $VERSION"
+          
+          # 注入版本号到 utils/version.js
+          BUILD_TIME="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+          COMMIT_SHORT="${GITEA_SHA:0:7}"
+          cat > utils/version.js <<EOF
+          /**
+           * 版本号配置文件
+           * 此文件由 CI 构建时自动生成，请勿手动修改
+           */
+          
+          module.exports = {
+            version: "$VERSION",
+            buildNumber: "$MINIAPP_BUILD_NUMBER",
+            buildTime: "$BUILD_TIME",
+            commitSha: "$COMMIT_SHORT",
+          };
+          EOF
+          echo "Version info injected into utils/version.js:"
+          cat utils/version.js
       - name: Materialize the upload key
         env:
           WECHAT_CI_PRIVATE_KEY: ${{ secrets.WECHAT_CI_PRIVATE_KEY }}
diff --git a/.gitea/workflows/server-deploy.yml b/.gitea/workflows/server-deploy.yml
index e9e3ee7..4535a6d 100644
--- a/.gitea/workflows/server-deploy.yml
+++ b/.gitea/workflows/server-deploy.yml
@@ -30,9 +30,37 @@ jobs:
       
       - name: Build application
         working-directory: server
+        env:
+          GITEA_SHA: ${{ gitea.sha }}
+          GITEA_RUN_NUMBER: ${{ gitea.run_number }}
         run: |
           mkdir -p bin
-          go build -o bin/server cmd/main.go
+          
+          # 生成版本号（使用构建编号）
+          VERSION="1.0.${GITEA_RUN_NUMBER}"
+          BUILD_TIME="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+          COMMIT_SHORT="${GITEA_SHA:0:7}"
+          
+          echo "Building server version: $VERSION"
+          echo "Build time: $BUILD_TIME"
+          echo "Commit SHA: $COMMIT_SHORT"
+          
+          # 使用 ldflags 注入版本信息
+          go build -ldflags "\
+            -X main.Version=$VERSION \
+            -X main.BuildTime=$BUILD_TIME \
+            -X main.CommitSha=$COMMIT_SHORT" \
+            -o bin/server cmd/main.go
+          
+          # 同时保存版本信息到文件（用于部署时读取）
+          cat > bin/version.env <<EOF
+          APP_VERSION=$VERSION
+          APP_BUILD_TIME=$BUILD_TIME
+          APP_COMMIT_SHA=$COMMIT_SHORT
+          EOF
+          
+          echo "Version info saved to bin/version.env:"
+          cat bin/version.env
       
       - name: Build frontend (if exists)
         working-directory: server
@@ -75,10 +103,12 @@ jobs:
           TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
           TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
           DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_WEBHOOK_URL }}
+          GITEA_RUN_NUMBER: ${{ gitea.run_number }}
         run: |
+          VERSION="1.0.${GITEA_RUN_NUMBER}"
           bash .gitea/scripts/notify.sh success \
             "后端服务部署成功" \
-            "部署包已保存到: /opt/lunar/ci-artifacts/server-deploy-latest.tar.gz"
+            "版本: v${VERSION}\n部署包: /opt/lunar/ci-artifacts/server-deploy-latest.tar.gz"
       
       - name: Send failure notification
         if: failure()
diff --git a/mini/images/wish-tree.png b/mini/images/wish-tree.jpg
similarity index 100%
rename from mini/images/wish-tree.png
rename to mini/images/wish-tree.jpg
diff --git a/mini/pages/settings/settings.js b/mini/pages/settings/settings.js
index 6313604..2d24c42 100644
--- a/mini/pages/settings/settings.js
+++ b/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() {
diff --git a/mini/pages/settings/settings.wxml b/mini/pages/settings/settings.wxml
index 393b52d..8ecf456 100644
--- a/mini/pages/settings/settings.wxml
+++ b/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>
diff --git a/mini/pages/wish-tree/wish-tree.wxml b/mini/pages/wish-tree/wish-tree.wxml
index f0d60f1..0a290a8 100644
--- a/mini/pages/wish-tree/wish-tree.wxml
+++ b/mini/pages/wish-tree/wish-tree.wxml
@@ -35,7 +35,7 @@
     <!-- 许愿树 -->
     <view class="tree-container">
       <image 
-        src="/images/wish-tree.png" 
+        src="/images/wish-tree.jpg" 
         class="tree-image"
         mode="aspectFit"
       />
diff --git a/mini/utils/version.js b/mini/utils/version.js
new file mode 100644
index 0000000..6bbf883
--- /dev/null
+++ b/mini/utils/version.js
@@ -0,0 +1,11 @@
+/**
+ * 版本号配置文件
+ * 此文件由 CI 构建时自动生成，请勿手动修改
+ */
+
+module.exports = {
+  version: "1.0.1", // 会被 CI 替换为实际版本号
+  buildNumber: "0", // 会被 CI 替换为构建编号
+  buildTime: "2026-08-08T00:00:00Z", // 会被 CI 替换为构建时间
+  commitSha: "unknown", // 会被 CI 替换为 Git commit SHA
+};
diff --git a/server/cmd/main.go b/server/cmd/main.go
index 6746854..cc10667 100644
--- a/server/cmd/main.go
+++ b/server/cmd/main.go
@@ -42,6 +42,9 @@ func main() {
 	// API 路由
 	api := r.Group("/api")
 	{
+		// 版本信息（无需认证）
+		api.GET("/version", handler.GetVersion)
+
 		// 用户相关
 		user := api.Group("/user")
 		{
diff --git a/server/internal/handler/version.go b/server/internal/handler/version.go
new file mode 100644
index 0000000..2c4860f
--- /dev/null
+++ b/server/internal/handler/version.go
@@ -0,0 +1,42 @@
+package handler
+
+import (
+	"net/http"
+	"os"
+
+	"github.com/gin-gonic/gin"
+)
+
+// VersionInfo 版本信息
+type VersionInfo struct {
+	Version   string `json:"version"`
+	BuildTime string `json:"buildTime"`
+	CommitSha string `json:"commitSha"`
+	GoVersion string `json:"goVersion"`
+}
+
+// GetVersion 获取服务器版本信息
+func GetVersion(c *gin.Context) {
+	// 从环境变量读取版本信息（由 CI 构建时注入）
+	version := os.Getenv("APP_VERSION")
+	if version == "" {
+		version = "dev"
+	}
+
+	buildTime := os.Getenv("APP_BUILD_TIME")
+	if buildTime == "" {
+		buildTime = "unknown"
+	}
+
+	commitSha := os.Getenv("APP_COMMIT_SHA")
+	if commitSha == "" {
+		commitSha = "unknown"
+	}
+
+	c.JSON(http.StatusOK, VersionInfo{
+		Version:   version,
+		BuildTime: buildTime,
+		CommitSha: commitSha,
+		GoVersion: "go1.22", // 可以通过 runtime.Version() 获取
+	})
+}