diff --git a/service-src/service_master.c b/service-src/service_master.c
index 4973d917..b76abef0 100644
--- a/service-src/service_master.c
+++ b/service-src/service_master.c
@@ -119,6 +119,7 @@ _connect_to(struct master *m, int id) {
 	memcpy(tmp,ipaddress,sz);
 	tmp[sz] = '\0';
 	int port = strtol(portstr+1,NULL,10);
+	skynet_error(ctx, "Master connect to harbor(%d) %s:%d", id, tmp, port);
 	m->remote_fd[id] = skynet_socket_connect(ctx, tmp, port);
 }
 
diff --git a/skynet-src/skynet_logger.c b/skynet-src/skynet_logger.c
index 068a3035..918b2359 100644
--- a/skynet-src/skynet_logger.c
+++ b/skynet-src/skynet_logger.c
@@ -28,7 +28,7 @@ logger_release(struct logger * inst) {
 static int
 _logger(struct skynet_context * context, void *ud, int type, int session, uint32_t source, const void * msg, size_t sz) {
 	struct logger * inst = ud;
-	fprintf(inst->handle, "[%x] ",source);
+	fprintf(inst->handle, "[:%x] ",source);
 	fwrite(msg, sz , 1, inst->handle);
 	fprintf(inst->handle, "\n");