diff --git a/src/core/manager.c b/src/core/manager.c
index 14fdf8d8..b2cafbd2 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -1987,7 +1987,7 @@ inline static void notify_monitor(neu_manager_t *    manager,
     // monitor not ready, ignore
     neu_node_manager_t *mgr  = manager->node_manager;
     struct sockaddr_un  addr = neu_node_manager_get_addr(mgr, "monitor");
-    if (0 == addr.sun_path[0]) {
+    if (0 == addr.sun_path[1]) {
         return;
     }
 
diff --git a/src/core/manager_internal.h b/src/core/manager_internal.h
index de5f1183..fd53e174 100644
--- a/src/core/manager_internal.h
+++ b/src/core/manager_internal.h
@@ -20,6 +20,8 @@
 #ifndef _NEU_MANAGER_INTERNAL_H_
 #define _NEU_MANAGER_INTERNAL_H_
 
+#include <errno.h>
+
 #include "event/event.h"
 #include "persist/persist.h"
 
@@ -109,9 +111,9 @@ inline static void forward_msg(neu_manager_t *     manager,
     if (0 == ret) {
         nlog_info("forward msg %s to %s", neu_reqresp_type_string(t), receiver);
     } else {
-        nlog_warn("forward msg %s to node (%s)%s %s %s fail",
+        nlog_warn("forward msg %s to node (%s)%s %s %s fail, errno: %s(%d)",
                   neu_reqresp_type_string(t), receiver, &addr.sun_path[1], node,
-                  header->sender);
+                  header->sender, strerror(errno), errno);
         neu_msg_free(msg);
     }
 }