diff --git a/backend/app/service/http/http.go b/backend/app/service/http/http.go
index f6a9332..44054c1 100644
--- a/backend/app/service/http/http.go
+++ b/backend/app/service/http/http.go
@@ -112,51 +112,8 @@ func Serve(cmd *cobra.Command, args []string) error {
 		}
 
 		// statics
-		svc.Http.Engine.Get("/admin*", func(ctx fiber.Ctx) error {
-			f := ctx.Params("*")
-			if f == "/" {
-				f = "index.html"
-			}
-
-			ext := filepath.Ext(f)
-			mime := mime.TypeByExtension(ext)
-			log.Infof("admin mime type: %s %s", ext, mime)
-			ctx.Set(fiber.HeaderContentType, mime)
-
-			log.Infof("check file: %s", filepath.Join(svc.App.DistAdmin, f))
-			file, err := fabfile.Find(filepath.Join(svc.App.DistAdmin, f))
-			if err != nil {
-
-				log.Infof("check file: %s", filepath.Join(svc.App.DistAdmin, "index.html"))
-				file, err = fabfile.Find(filepath.Join(svc.App.DistAdmin, "index.html"))
-				if err != nil {
-					return ctx.SendStatus(fiber.StatusNotFound)
-				}
-			}
-			return ctx.SendFile(file)
-		})
-
-		svc.Http.Engine.Get("*", func(ctx fiber.Ctx) error {
-			f := ctx.Params("*")
-			if f == "/" || f == "" {
-				f = "index.html"
-			}
-			ext := filepath.Ext(f)
-			mime := mime.TypeByExtension(ext)
-			log.Infof("front mime type: %s %s", ext, mime)
-			ctx.Set(fiber.HeaderContentType, mime)
-
-			log.Infof("check file: %s", filepath.Join(svc.App.DistWeChat, f))
-			file, err := fabfile.Find(filepath.Join(svc.App.DistWeChat, f))
-			if err != nil {
-				log.Infof("check file: %s", filepath.Join(svc.App.DistWeChat, "index.html"))
-				file, err = fabfile.Find(filepath.Join(svc.App.DistWeChat, "index.html"))
-				if err != nil {
-					return ctx.SendStatus(fiber.StatusNotFound)
-				}
-			}
-			return ctx.SendFile(file)
-		})
+		svc.Http.Engine.Get("/admin*", checkStaticFile(svc.App.DistAdmin))
+		svc.Http.Engine.Get("/*", checkStaticFile(svc.App.DistWeChat))
 
 		// job
 		if err := svc.Job.Start(ctx); err != nil {
@@ -168,3 +125,30 @@ func Serve(cmd *cobra.Command, args []string) error {
 		return svc.Http.Serve()
 	})
 }
+
+func checkStaticFile(rootPath string) func(ctx fiber.Ctx) error {
+	return func(ctx fiber.Ctx) error {
+		f := ctx.Params("*")
+		if f == "/" || f == "" {
+			f = "index.html"
+		}
+
+		ext := filepath.Ext(f)
+		mime := mime.TypeByExtension(ext)
+		log.Infof("admin mime type: %s %s", ext, mime)
+		ctx.Set(fiber.HeaderContentType, mime)
+
+		checkFiles := []string{f, "index.html"}
+		for _, checkFile := range checkFiles {
+			filePath := filepath.Join(rootPath, checkFile)
+			log.Infof("check file: %s", filePath)
+			file, err := fabfile.Find(filePath)
+			if err != nil {
+				log.Warnf("file not found: %s", filePath)
+				continue
+			}
+			return ctx.SendFile(file)
+		}
+		return ctx.SendStatus(fiber.StatusNotFound)
+	}
+}
diff --git a/backend/go.mod b/backend/go.mod
index 19df2af..c4f19ef 100644
--- a/backend/go.mod
+++ b/backend/go.mod
@@ -27,7 +27,7 @@ require (
 	github.com/riverqueue/river v0.15.0
 	github.com/riverqueue/river/riverdriver/riverpgxv5 v0.15.0
 	github.com/riverqueue/river/rivertype v0.15.0
-	github.com/rogeecn/fabfile v1.5.0
+	github.com/rogeecn/fabfile v1.6.0
 	github.com/rogeecn/swag v1.0.1
 	github.com/samber/lo v1.49.1
 	github.com/sirupsen/logrus v1.9.3
diff --git a/backend/go.sum b/backend/go.sum
index f4eab1c..52dcf5c 100644
--- a/backend/go.sum
+++ b/backend/go.sum
@@ -258,6 +258,8 @@ github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
 github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/rogeecn/fabfile v1.5.0 h1:I4yxvNRzsjEKMyq3opc32mmaBlfnZBjBUpjdMRR2zOM=
 github.com/rogeecn/fabfile v1.5.0/go.mod h1:EPwX7TtVcIWSLJkJAqxSzYjM/aV1Q0wymcaXqnMgzas=
+github.com/rogeecn/fabfile v1.6.0 h1:i0+Koa8yp3lsgEM8opcnya85cEohpGeGpm21xEekBmQ=
+github.com/rogeecn/fabfile v1.6.0/go.mod h1:EPwX7TtVcIWSLJkJAqxSzYjM/aV1Q0wymcaXqnMgzas=
 github.com/rogeecn/swag v1.0.1 h1:s1yxLgopqO1m8sqGjVmt6ocMBRubMPIh2JtIPG4xjQE=
 github.com/rogeecn/swag v1.0.1/go.mod h1:flG2NXERPxlRl2VdpU2VXTO8iBnQiERyowOXSkZVMOc=
 github.com/rogpeppe/clock v0.0.0-20190514195947-2896927a307a h1:3QH7VyOaaiUHNrA9Se4YQIRkDTCw1EJls9xTUCaCeRM=