diff --git a/Dockerfile b/Dockerfile
index 101b7c5..95f50e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,15 @@ RUN go mod download
 
 COPY . .
 
-RUN CGO_ENABLED=0 GOOS=linux go build -o tts-api .
+# VERSION 由 CI/CD 传入,通常为 `git describe --tags --always --dirty` 的输出
+# COMMIT 为 `git rev-parse --short HEAD`
+# 本地默认 dev
+ARG VERSION=dev
+ARG COMMIT=dev
+RUN CGO_ENABLED=0 GOOS=linux go build \
+    -ldflags "-X github.com/volcano-tts/tts-api/version.Version=${VERSION} \
+              -X github.com/volcano-tts/tts-api/version.Commit=${COMMIT}" \
+    -o tts-api .
 
 FROM alpine:3.21
 
diff --git a/controller/tts.go b/controller/tts.go
index 5ed6495..bfff026 100644
--- a/controller/tts.go
+++ b/controller/tts.go
@@ -18,6 +18,7 @@ import (
 	"github.com/volcano-tts/tts-api/middleware"
 	"github.com/volcano-tts/tts-api/setting"
 	"github.com/volcano-tts/tts-api/telemetry"
+	"github.com/volcano-tts/tts-api/version"
 )
 
 var (
@@ -229,7 +230,8 @@ func HealthHandler(w http.ResponseWriter, r *http.Request) {
 	resp := dto.HealthResponse{
 		Status:    status,
 		Service:   "ByteDance TTS to OpenAI API Adapter",
-		Version:   "2.0.0 (v3 API)",
+		Version:   version.Version,
+		Commit:    version.Commit,
 		Uptime:    fmt.Sprintf("%.0f seconds", time.Since(startTime).Seconds()),
 		StartTime: startTime.Format(time.RFC3339),
 		Memory:    collectMemorySnapshot(),
diff --git a/dto/health.go b/dto/health.go
index 5d844d9..9b9e83f 100644
--- a/dto/health.go
+++ b/dto/health.go
@@ -7,6 +7,7 @@ type HealthResponse struct {
 	Status       string                 `json:"status"`
 	Service      string                 `json:"service"`
 	Version      string                 `json:"version"`
+	Commit       string                 `json:"commit"`
 	Uptime       string                 `json:"uptime"`
 	StartTime    string                 `json:"start_time"`
 	Memory       map[string]interface{} `json:"memory"`
diff --git a/version/version.go b/version/version.go
new file mode 100644
index 0000000..74e3004
--- /dev/null
+++ b/version/version.go
@@ -0,0 +1,18 @@
+// Package version 提供构建时注入的版本信息。
+//
+// Version 和 Commit 在编译时通过 -ldflags 注入:
+//
+//	go build -ldflags "-X github.com/volcano-tts/tts-api/version.Version=$VERSION \
+//	                   -X github.com/volcano-tts/tts-api/version.Commit=$COMMIT"
+//
+// 开发时默认 "dev",CI/CD 时通常由 git describe 自动算出:
+//   VERSION=$(git describe --tags --always --dirty)
+//   COMMIT=$(git rev-parse --short HEAD)
+//
+// /health 端点会暴露这两个值,方便运维确认"跑的到底是哪个 commit"。
+package version
+
+var (
+	Version = "dev"
+	Commit  = "dev"
+)