fix: resolve marketing static page path across working dirs

internal/routes/routes.go

@@ -2,6 +2,8 @@ package routes
 
 import (
 	"net/http"
+	"os"
+	"path/filepath"
 
 	"github.com/gin-gonic/gin"
 	"gorm.io/gorm"
@@ -20,6 +22,29 @@ import (
 	smokehandler "wx_service/internal/smoke/handler"
 )
 
+func resolveMarketingPage() string {
+	candidates := []string{
+		filepath.Join("web", "marketing", "index.html"),
+		filepath.Join("..", "web", "marketing", "index.html"),
+	}
+
+	if executable, err := os.Executable(); err == nil {
+		exeDir := filepath.Dir(executable)
+		candidates = append(candidates,
+			filepath.Join(exeDir, "web", "marketing", "index.html"),
+			filepath.Join(exeDir, "..", "web", "marketing", "index.html"),
+		)
+	}
+
+	for _, path := range candidates {
+		if _, err := os.Stat(path); err == nil {
+			return path
+		}
+	}
+
+	return filepath.Join("web", "marketing", "index.html")
+}
+
 func Register(
 	router *gin.Engine,
 	db *gorm.DB,
@@ -84,8 +109,9 @@ func Register(
 	}
 
 	// Web 管理后台静态文件
-	router.StaticFile("/admin/marketing", "web/marketing/index.html")
-	router.StaticFile("/admin/marketing/", "web/marketing/index.html")
+	marketingPage := resolveMarketingPage()
+	router.StaticFile("/admin/marketing", marketingPage)
+	router.StaticFile("/admin/marketing/", marketingPage)
 
 	// 健康检查：用于容器/负载均衡探活
 	router.GET("/healthz", func(c *gin.Context) {