From edb1460b56d152659abebf07692f33bac6fe3dc4 Mon Sep 17 00:00:00 2001
From: JianBo He <heeejianbo@gmail.com>
Date: Sun, 20 Mar 2022 10:18:50 +0800
Subject: [PATCH] chore(rule-engine): more safe generate even_msg content

---
 apps/emqx_rule_engine/src/emqx_rule_events.erl | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/apps/emqx_rule_engine/src/emqx_rule_events.erl b/apps/emqx_rule_engine/src/emqx_rule_events.erl
index 10e3e41ef..de3af52ac 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_events.erl
+++ b/apps/emqx_rule_engine/src/emqx_rule_events.erl
@@ -191,12 +191,12 @@ eventmsg_connected(_ClientInfo = #{
                     clean_start := CleanStart,
                     proto_name := ProtoName,
                     proto_ver := ProtoVer,
-                    keepalive := Keepalive,
-                    connected_at := ConnectedAt,
-                    conn_props := ConnProps,
-                    receive_maximum := RcvMax,
-                    expiry_interval := ExpiryInterval
+                    connected_at := ConnectedAt
                    }) ->
+    Keepalive = maps:get(keepalive, ConnInfo, 0),
+    ConnProps = maps:get(conn_props, ConnInfo, #{}),
+    RcvMax = maps:get(receive_maximum, ConnInfo, 0),
+    ExpiryInterval = maps:get(expiry_interval, ConnInfo, 0),
     with_basic_columns('client.connected',
         #{clientid => ClientId,
           username => Username,