diff --git a/3rd/jemalloc b/3rd/jemalloc
index 61efbda7..896ed3a8 160000
--- a/3rd/jemalloc
+++ b/3rd/jemalloc
@@ -1 +1 @@
-Subproject commit 61efbda7098de6fe64c362d309824864308c36d4
+Subproject commit 896ed3a8b3f41998d4fb4d625d30ac63ef2d51fb
diff --git a/lualib-src/lua-multicast.c b/lualib-src/lua-multicast.c
index 8903b36e..4588bd10 100644
--- a/lualib-src/lua-multicast.c
+++ b/lualib-src/lua-multicast.c
@@ -133,6 +133,7 @@ mc_remote(lua_State *L) {
 	lua_pushlightuserdata(L, pack->data);
 	lua_pushinteger(L, (lua_Integer)(pack->size));
 	skynet_free(pack);
+	skynet_free(ptr);
 	return 2;
 }
 
diff --git a/service/multicastd.lua b/service/multicastd.lua
index bcc5ea97..a00eb3d2 100644
--- a/service/multicastd.lua
+++ b/service/multicastd.lua
@@ -97,7 +97,10 @@ skynet.register_protocol {
 	unpack = function(msg, sz)
 		return mc.packremote(msg, sz)
 	end,
-	dispatch = publish,
+	dispatch = function (...)
+		skynet.ignoreret()
+		publish(...)
+	end,
 }
 
 -- publish a message, if the caller is remote, forward the message to the owner node (by remote_publish)