diff --git a/apps/emqx/src/emqx_channel.erl b/apps/emqx/src/emqx_channel.erl
index 69e0a55f7..3fb6a5f6b 100644
--- a/apps/emqx/src/emqx_channel.erl
+++ b/apps/emqx/src/emqx_channel.erl
@@ -2136,7 +2136,8 @@ publish_will_msg(
             ok;
         false ->
             NMsg = emqx_mountpoint:mount(MountPoint, Msg),
-            _ = emqx_broker:publish(NMsg),
+            NMsg2 = NMsg#message{timestamp = erlang:system_time(millisecond)},
+            _ = emqx_broker:publish(NMsg2),
             ok
     end.
 
diff --git a/changes/ce/fix-10682.en.md b/changes/ce/fix-10682.en.md
new file mode 100644
index 000000000..df8d93116
--- /dev/null
+++ b/changes/ce/fix-10682.en.md
@@ -0,0 +1 @@
+Fix the timestamp for the will message is incorrectly assigned at the session creation time, now this timestamp is the disconnected time of the session.