diff --git a/racketmq/hub/local-topic.rkt b/racketmq/hub/local-topic.rkt
index 1f6abe0..0b90cc2 100644
--- a/racketmq/hub/local-topic.rkt
+++ b/racketmq/hub/local-topic.rkt
@@ -86,10 +86,9 @@
           (current-content body)
           (current-content-type content-type)
           (last-modified-seconds (current-seconds))
-          (actor*
-           (send! (notification self-url
-                                hub-url
-                                self-url
-                                body
-                                content-type))
-           (web-respond/status! id 201 #"Created"))))))
+          (send! (notification self-url
+                               hub-url
+                               self-url
+                               body
+                               content-type))
+          (web-respond/status! id 202 #"Accepted")))))
diff --git a/racketmq/hub/remote-topic.rkt b/racketmq/hub/remote-topic.rkt
index a9d4482..376677a 100644
--- a/racketmq/hub/remote-topic.rkt
+++ b/racketmq/hub/remote-topic.rkt
@@ -178,23 +178,22 @@
 
       (on (web-request-incoming (id req) (vh host-name port) 'post ("sub" (,sub-id ())) $body)
           ;; TODO: verify the use of the shared secret
-          (actor*
-           (define parsed-link-headers (parse-link-headers (web-request-header-headers req)))
-           (define upstream-hub (link-header-ref parsed-link-headers 'hub #f))
-           (define upstream-topic (link-header-ref parsed-link-headers 'self #f))
-           (define content-type (web-request-header-content-type req))
-           (log-info "Remote topic ~a got ~v message ~v; upstream hub ~v, topic ~v"
-                     full-topic
-                     content-type
-                     body
-                     upstream-hub
-                     upstream-topic)
-           (current-content-hash (sha1 (open-input-bytes body)))
-           (current-content-type content-type)
-           (current-upstream-hub upstream-hub)
-           (send! (notification full-topic
-                                upstream-hub
-                                upstream-topic
-                                body
-                                content-type))
-           (web-respond/status! id 201 #"Created"))))))
+          (define parsed-link-headers (parse-link-headers (web-request-header-headers req)))
+          (define upstream-hub (link-header-ref parsed-link-headers 'hub #f))
+          (define upstream-topic (link-header-ref parsed-link-headers 'self #f))
+          (define content-type (web-request-header-content-type req))
+          (web-respond/status! id 202 #"Accepted")
+          (log-info "Remote topic ~a got ~v message ~v; upstream hub ~v, topic ~v"
+                    full-topic
+                    content-type
+                    body
+                    upstream-hub
+                    upstream-topic)
+          (current-content-hash (sha1 (open-input-bytes body)))
+          (current-content-type content-type)
+          (current-upstream-hub upstream-hub)
+          (send! (notification full-topic
+                               upstream-hub
+                               upstream-topic
+                               body
+                               content-type))))))