diff --git a/agent/cmd/safesight-agent/main.go b/agent/cmd/safesight-agent/main.go
index 0a859f5..33aa135 100644
--- a/agent/cmd/safesight-agent/main.go
+++ b/agent/cmd/safesight-agent/main.go
@@ -25,11 +25,25 @@ import (
 	"safesight-agent/internal/sysinfo"
 )
 
-var Version = "0.0.0-dev"
-var BuildID = "dev"
-var BuildType = "dev"
+// 版本信息：构建时通过 -ldflags "-X main.Version=..." 注入（版本号=构建时间 YYYYMMDD.HHMMSS）。
+// 未注入时 init() 自动填充构建时间，保证产品上不会出现占位版本号。
+var Version = ""
+var BuildID = ""
+var BuildType = "release"
 var GitSHA = ""
 
+func init() {
+	if Version == "" {
+		Version = time.Now().Format("20060102.150405")
+	}
+	if BuildID == "" {
+		BuildID = Version
+	}
+	if GitSHA == "" {
+		GitSHA = "nogit"
+	}
+}
+
 func main() {
 	cfgPath := flag.String("config", "", "config file path")
 	flag.Parse()
diff --git a/include/version.h b/include/version.h
index 0a96031..79ece32 100644
--- a/include/version.h
+++ b/include/version.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #ifndef RK_PROJECT_VERSION
-#define RK_PROJECT_VERSION "0.0.0-dev"
+#define RK_PROJECT_VERSION "unknown"
 #endif
 
 #ifndef RK_GIT_SHA