diff --git a/src/core/middlewares/countquota/handler.go b/src/core/middlewares/countquota/handler.go
index 1b05a4cf5..7564b1a5e 100644
--- a/src/core/middlewares/countquota/handler.go
+++ b/src/core/middlewares/countquota/handler.go
@@ -21,6 +21,7 @@ import (
 	"github.com/goharbor/harbor/src/common/utils/log"
 	"github.com/goharbor/harbor/src/core/middlewares/interceptor"
 	"github.com/goharbor/harbor/src/core/middlewares/util"
+	"strings"
 )
 
 type countQuotaHandler struct {
@@ -57,6 +58,10 @@ func (h *countQuotaHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request)
 
 	if err := interceptor.HandleRequest(req); err != nil {
 		log.Warningf("Error occurred when to handle request in count quota handler: %v", err)
+		if strings.Contains(err.Error(), "resource overflow the hard limit") {
+			http.Error(rw, util.MarshalError("DENIED", fmt.Sprintf("Not enough quota is available to process the request: %v", err)), http.StatusForbidden)
+			return
+		}
 		http.Error(rw, util.MarshalError("InternalError", fmt.Sprintf("Error occurred when to handle request in count quota handler: %v", err)),
 			http.StatusInternalServerError)
 		return
diff --git a/src/core/middlewares/countquota/handler_test.go b/src/core/middlewares/countquota/handler_test.go
index a2ebb5a69..84833e4de 100644
--- a/src/core/middlewares/countquota/handler_test.go
+++ b/src/core/middlewares/countquota/handler_test.go
@@ -202,12 +202,12 @@ func (suite *HandlerSuite) TestPutManifestFailed() {
 	}()
 
 	next := func(w http.ResponseWriter, req *http.Request) {
-		w.WriteHeader(http.StatusInternalServerError)
+		w.WriteHeader(http.StatusForbidden)
 	}
 
 	dgt := digest.FromString(randomString(15)).String()
 	code := doPutManifestRequest(projectID, projectName, "photon", "latest", dgt, next)
-	suite.Equal(http.StatusInternalServerError, code)
+	suite.Equal(http.StatusForbidden, code)
 	suite.checkCountUsage(0, projectID)
 
 	total, err := dao.GetTotalOfArtifacts(&models.ArtifactQuery{Digest: dgt})
diff --git a/src/core/middlewares/sizequota/handler.go b/src/core/middlewares/sizequota/handler.go
index 244e55589..638d560e3 100644
--- a/src/core/middlewares/sizequota/handler.go
+++ b/src/core/middlewares/sizequota/handler.go
@@ -21,6 +21,7 @@ import (
 	"github.com/goharbor/harbor/src/common/utils/log"
 	"github.com/goharbor/harbor/src/core/middlewares/interceptor"
 	"github.com/goharbor/harbor/src/core/middlewares/util"
+	"strings"
 )
 
 type sizeQuotaHandler struct {
@@ -57,6 +58,10 @@ func (h *sizeQuotaHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request)
 
 	if err := interceptor.HandleRequest(req); err != nil {
 		log.Warningf("Error occurred when to handle request in size quota handler: %v", err)
+		if strings.Contains(err.Error(), "resource overflow the hard limit") {
+			http.Error(rw, util.MarshalError("DENIED", fmt.Sprintf("Not enough quota is available to process the request: %v", err)), http.StatusForbidden)
+			return
+		}
 		http.Error(rw, util.MarshalError("InternalError", fmt.Sprintf("Error occurred when to handle request in size quota handler: %v", err)),
 			http.StatusInternalServerError)
 		return