diff --git a/apps/emqx_bridge/etc/emqx_bridge.conf b/apps/emqx_bridge/etc/emqx_bridge.conf
index 04f4709b8..de931ae12 100644
--- a/apps/emqx_bridge/etc/emqx_bridge.conf
+++ b/apps/emqx_bridge/etc/emqx_bridge.conf
@@ -34,8 +34,8 @@
 #    direction = egress
 #    ## NOTE: we cannot use placehodler variables in the `scheme://host:port` part of the url
 #    url = "http://localhost:9901/messages/${topic}"
-#    request_timeout = "30s"
-#    connect_timeout = "30s"
+#    request_timeout = "15s"
+#    connect_timeout = "15s"
 #    max_retries = 3
 #    retry_interval = "10s"
 #    pool_type = "random"
diff --git a/apps/emqx_bridge/src/emqx_bridge_api.erl b/apps/emqx_bridge/src/emqx_bridge_api.erl
index 1358cccdc..4def97327 100644
--- a/apps/emqx_bridge/src/emqx_bridge_api.erl
+++ b/apps/emqx_bridge/src/emqx_bridge_api.erl
@@ -158,8 +158,8 @@ method_example(_Type, _Direction, put) ->
 info_example_basic(http, _) ->
     #{
         url => <<"http://localhost:9901/messages/${topic}">>,
-        request_timeout => <<"30s">>,
-        connect_timeout => <<"30s">>,
+        request_timeout => <<"15s">>,
+        connect_timeout => <<"15s">>,
         max_retries => 3,
         retry_interval => <<"10s">>,
         pool_type => <<"random">>,
diff --git a/apps/emqx_bridge/src/emqx_bridge_http_schema.erl b/apps/emqx_bridge/src/emqx_bridge_http_schema.erl
index 540a6a070..a5937509c 100644
--- a/apps/emqx_bridge/src/emqx_bridge_http_schema.erl
+++ b/apps/emqx_bridge/src/emqx_bridge_http_schema.erl
@@ -59,7 +59,7 @@ Template with variables is allowed.
 """
            })}
     , {request_timeout, mk(emqx_schema:duration_ms(),
-          #{ default => <<"30s">>
+          #{ default => <<"15s">>
            , desc =>"""
 How long will the HTTP request timeout.
 """
diff --git a/apps/emqx_connector/src/emqx_connector_api.erl b/apps/emqx_connector/src/emqx_connector_api.erl
index c20632658..35e0c8ecb 100644
--- a/apps/emqx_connector/src/emqx_connector_api.erl
+++ b/apps/emqx_connector/src/emqx_connector_api.erl
@@ -107,14 +107,14 @@ info_example_basic(mqtt) ->
     #{
         mode => cluster_shareload,
         server => <<"127.0.0.1:1883">>,
-        reconnect_interval => <<"30s">>,
+        reconnect_interval => <<"15s">>,
         proto_ver => <<"v4">>,
         username => <<"foo">>,
         password => <<"bar">>,
         clientid => <<"foo">>,
         clean_start => true,
         keepalive => <<"300s">>,
-        retry_interval => <<"30s">>,
+        retry_interval => <<"15s">>,
         max_inflight => 100,
         ssl => #{
             enable => false
diff --git a/apps/emqx_connector/src/emqx_connector_http.erl b/apps/emqx_connector/src/emqx_connector_http.erl
index 2f72c869e..509e293cf 100644
--- a/apps/emqx_connector/src/emqx_connector_http.erl
+++ b/apps/emqx_connector/src/emqx_connector_http.erl
@@ -75,7 +75,7 @@ For example: http://localhost:9901/
            })}
     , {connect_timeout,
         sc(emqx_schema:duration_ms(),
-           #{ default => "30s"
+           #{ default => "15s"
             , desc => "The timeout when connecting to the HTTP server"
             })}
     , {max_retries,
diff --git a/apps/emqx_connector/src/mqtt/emqx_connector_mqtt_schema.erl b/apps/emqx_connector/src/mqtt/emqx_connector_mqtt_schema.erl
index bee1861bd..303617a29 100644
--- a/apps/emqx_connector/src/mqtt/emqx_connector_mqtt_schema.erl
+++ b/apps/emqx_connector/src/mqtt/emqx_connector_mqtt_schema.erl
@@ -60,7 +60,7 @@ topic filters for 'remote_topic' of ingress connections.
            #{ default => "127.0.0.1:1883"
             , desc => "The host and port of the remote MQTT broker"
             })}
-    , {reconnect_interval, mk_duration("reconnect interval", #{default => "30s"})}
+    , {reconnect_interval, mk_duration("reconnect interval", #{default => "15s"})}
     , {proto_ver,
         sc(hoconsc:enum([v3, v4, v5]),
            #{ default => v4
@@ -82,7 +82,7 @@ topic filters for 'remote_topic' of ingress connections.
             , desc => "The clean-start or the clean-session of the MQTT protocol"
             })}
     , {keepalive, mk_duration("keepalive", #{default => "300s"})}
-    , {retry_interval, mk_duration("retry interval", #{default => "30s"})}
+    , {retry_interval, mk_duration("retry interval", #{default => "15s"})}
     , {max_inflight,
         sc(integer(),
            #{ default => 32