diff --git a/src/core/middlewares/middlewares.go b/src/core/middlewares/middlewares.go
index e5ccdae05..4c353a580 100644
--- a/src/core/middlewares/middlewares.go
+++ b/src/core/middlewares/middlewares.go
@@ -15,6 +15,7 @@
 package middlewares
 
 import (
+	"github.com/goharbor/harbor/src/server/middleware/readonly"
 	"net/http"
 	"path"
 	"regexp"
@@ -29,11 +30,28 @@ import (
 )
 
 var (
-	blobURLRe = regexp.MustCompile("^/v2/(" + reference.NameRegexp.String() + ")/blobs/" + reference.DigestRegexp.String())
+	match         = regexp.MustCompile
+	numericRegexp = match(`[0-9]+`)
+
+	blobURLRe = match("^/v2/(" + reference.NameRegexp.String() + ")/blobs/" + reference.DigestRegexp.String())
 
 	// fetchBlobAPISkipper skip transaction middleware for fetch blob API
 	// because transaction use the ResponseBuffer for the response which will degrade the performance for fetch blob
 	fetchBlobAPISkipper = middleware.MethodAndPathSkipper(http.MethodGet, blobURLRe)
+
+	// readonlySkippers skip the post request when harbor sets to readonly.
+	readonlySkippers = []middleware.Skipper{
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/c/login")),
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/c/userExists")),
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/c/oidc/onboard")),
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/service/notifications/jobs/adminjob/"+numericRegexp.String())),
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/service/notifications/jobs/replication/"+numericRegexp.String())),
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/service/notifications/jobs/replication/task/"+numericRegexp.String())),
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/service/notifications/jobs/webhook/"+numericRegexp.String())),
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/service/notifications/jobs/retention/task/"+numericRegexp.String())),
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/service/notifications/jobs/schedules/"+numericRegexp.String())),
+		middleware.MethodAndPathSkipper(http.MethodPost, match("^/service/notifications/jobs/webhook/"+numericRegexp.String())),
+	}
 )
 
 // legacyAPISkipper skip middleware for legacy APIs
@@ -52,6 +70,7 @@ func legacyAPISkipper(r *http.Request) bool {
 func MiddleWares() []beego.MiddleWare {
 	return []beego.MiddleWare{
 		requestid.Middleware(),
+		readonly.Middleware(readonlySkippers...),
 		orm.Middleware(legacyAPISkipper),
 		transaction.Middleware(legacyAPISkipper, fetchBlobAPISkipper),
 	}
diff --git a/src/core/middlewares/middlewares_test.go b/src/core/middlewares/middlewares_test.go
index 7448c6db8..d21a013d5 100644
--- a/src/core/middlewares/middlewares_test.go
+++ b/src/core/middlewares/middlewares_test.go
@@ -65,3 +65,34 @@ func Test_legacyAPISkipper(t *testing.T) {
 		})
 	}
 }
+
+func Test_readonlySkipper(t *testing.T) {
+	type args struct {
+		r *http.Request
+	}
+	tests := []struct {
+		name string
+		args args
+		want bool
+	}{
+		{"login", args{httptest.NewRequest(http.MethodPost, "/c/login", nil)}, true},
+		{"login get", args{httptest.NewRequest(http.MethodGet, "/c/login", nil)}, false},
+		{"onboard", args{httptest.NewRequest(http.MethodPost, "/c/oidc/onboard", nil)}, true},
+		{"user exist", args{httptest.NewRequest(http.MethodPost, "/c/userExists", nil)}, true},
+		{"user exist", args{httptest.NewRequest(http.MethodPost, "/service/notifications/jobs/adminjob/123456", nil)}, true},
+		{"user exist", args{httptest.NewRequest(http.MethodPost, "/service/notifications/jobs/adminjob/abcdefg", nil)}, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			var pass bool
+			for _, skipper := range readonlySkippers {
+				if got := skipper(tt.args.r); got == tt.want {
+					pass = true
+				}
+			}
+			if !pass {
+				t.Errorf("readonlySkippers() = %v, want %v", tt.args, tt.want)
+			}
+		})
+	}
+}
diff --git a/src/server/middleware/readonly/readonly.go b/src/server/middleware/readonly/readonly.go
index 490c0fad5..30c3a4f5e 100644
--- a/src/server/middleware/readonly/readonly.go
+++ b/src/server/middleware/readonly/readonly.go
@@ -59,6 +59,8 @@ func Middleware(skippers ...middleware.Skipper) func(http.Handler) http.Handler
 func MiddlewareWithConfig(config Config, skippers ...middleware.Skipper) func(http.Handler) http.Handler {
 	if len(skippers) == 0 {
 		skippers = []middleware.Skipper{safeMethodSkipper}
+	} else {
+		skippers = append(skippers, []middleware.Skipper{safeMethodSkipper}...)
 	}
 
 	if config.ReadOnly == nil {
diff --git a/src/server/registry/route.go b/src/server/registry/route.go
index a0c0eeceb..dc07a1b23 100644
--- a/src/server/registry/route.go
+++ b/src/server/registry/route.go
@@ -21,7 +21,6 @@ import (
 	"github.com/goharbor/harbor/src/server/middleware/blob"
 	"github.com/goharbor/harbor/src/server/middleware/contenttrust"
 	"github.com/goharbor/harbor/src/server/middleware/immutable"
-	"github.com/goharbor/harbor/src/server/middleware/readonly"
 	"github.com/goharbor/harbor/src/server/middleware/regtoken"
 	"github.com/goharbor/harbor/src/server/middleware/v2auth"
 	"github.com/goharbor/harbor/src/server/middleware/vulnerable"
@@ -59,13 +58,11 @@ func RegisterRoutes() {
 	root.NewRoute().
 		Method(http.MethodDelete).
 		Path("/*/manifests/:reference").
-		Middleware(readonly.Middleware()).
 		Middleware(immutable.MiddlewareDelete()).
 		HandlerFunc(deleteManifest)
 	root.NewRoute().
 		Method(http.MethodPut).
 		Path("/*/manifests/:reference").
-		Middleware(readonly.Middleware()).
 		Middleware(immutable.MiddlewarePush()).
 		Middleware(blob.PutManifestMiddleware()).
 		HandlerFunc(putManifest)
@@ -86,15 +83,6 @@ func RegisterRoutes() {
 		Path("/*/blobs/uploads/:session_id").
 		Middleware(blob.PutBlobUploadMiddleware()).
 		Handler(proxy)
-	// blob
-	root.NewRoute().
-		Method(http.MethodPost).
-		Method(http.MethodPut).
-		Method(http.MethodPatch).
-		Method(http.MethodDelete).
-		Path("/{name:.*}/blobs/").
-		Middleware(readonly.Middleware()).
-		Handler(proxy)
 	// others
 	root.NewRoute().Path("/*").Handler(proxy)
 }