diff --git a/server/acl.go b/server/acl.go
index b653999c..58234322 100644
--- a/server/acl.go
+++ b/server/acl.go
@@ -105,7 +105,7 @@ func aclMiddleware(s *Server, next echo.HandlerFunc) echo.HandlerFunc {
 			return next(c)
 		}
 
-		if common.HasPrefixes(path, "/api/memo", "/api/tag", "/api/shortcut", "/api/memo/stats") && c.Request().Method == http.MethodGet {
+		if common.HasPrefixes(path, "/api/memo", "/api/tag", "/api/shortcut") && c.Request().Method == http.MethodGet {
 			if _, err := strconv.Atoi(c.QueryParam("creatorId")); err == nil {
 				return next(c)
 			}
diff --git a/server/http_getter.go b/server/http_getter.go
index 65da8053..a0c40ada 100644
--- a/server/http_getter.go
+++ b/server/http_getter.go
@@ -11,7 +11,7 @@ import (
 	metric "github.com/usememos/memos/plugin/metrics"
 )
 
-func (s *Server) registerCrawlerPublicRoutes(g *echo.Group) {
+func (s *Server) registerGetterPublicRoutes(g *echo.Group) {
 	g.GET("/get/httpmeta", func(c echo.Context) error {
 		ctx := c.Request().Context()
 		urlStr := c.QueryParam("url")
@@ -39,6 +39,7 @@ func (s *Server) registerCrawlerPublicRoutes(g *echo.Group) {
 		}
 		return nil
 	})
+
 	g.GET("/get/image", func(c echo.Context) error {
 		ctx := c.Request().Context()
 		urlStr := c.QueryParam("url")
@@ -51,7 +52,7 @@ func (s *Server) registerCrawlerPublicRoutes(g *echo.Group) {
 
 		image, err := getter.GetImage(urlStr)
 		if err != nil {
-			return echo.NewHTTPError(http.StatusNotAcceptable, fmt.Sprintf("Failed to get image url: %s", urlStr)).SetInternal(err)
+			return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Failed to get image url: %s", urlStr)).SetInternal(err)
 		}
 		s.Collector.Collect(ctx, &metric.Metric{
 			Name: "getter used",
@@ -62,6 +63,7 @@ func (s *Server) registerCrawlerPublicRoutes(g *echo.Group) {
 
 		c.Response().Writer.WriteHeader(http.StatusOK)
 		c.Response().Writer.Header().Set("Content-Type", image.Mediatype)
+		c.Response().Writer.Header().Set(echo.HeaderCacheControl, "max-age=31536000, immutable")
 		if _, err := c.Response().Writer.Write(image.Blob); err != nil {
 			return echo.NewHTTPError(http.StatusInternalServerError, "Failed to write image blob").SetInternal(err)
 		}
diff --git a/server/resource.go b/server/resource.go
index b21462fa..b7778edc 100644
--- a/server/resource.go
+++ b/server/resource.go
@@ -262,11 +262,10 @@ func (s *Server) registerResourcePublicRoutes(g *echo.Group) {
 
 		c.Response().Writer.WriteHeader(http.StatusOK)
 		c.Response().Writer.Header().Set("Content-Type", resource.Type)
-		c.Response().Header().Set(echo.HeaderCacheControl, "max-age=31536000, immutable")
+		c.Response().Writer.Header().Set(echo.HeaderCacheControl, "max-age=31536000, immutable")
 		if _, err := c.Response().Writer.Write(resource.Blob); err != nil {
 			return echo.NewHTTPError(http.StatusInternalServerError, "Failed to write response").SetInternal(err)
 		}
-
 		return nil
 	})
 }
diff --git a/server/server.go b/server/server.go
index 3ca332ef..243f26ad 100644
--- a/server/server.go
+++ b/server/server.go
@@ -66,7 +66,7 @@ func NewServer(profile *profile.Profile) *Server {
 
 	publicGroup := e.Group("/o")
 	s.registerResourcePublicRoutes(publicGroup)
-	s.registerCrawlerPublicRoutes(publicGroup)
+	s.registerGetterPublicRoutes(publicGroup)
 
 	apiGroup := e.Group("/api")
 	apiGroup.Use(func(next echo.HandlerFunc) echo.HandlerFunc {