diff --git a/plugins/admin/admin-plugin.c b/plugins/admin/admin-plugin.c
index 958cde8..6824030 100644
--- a/plugins/admin/admin-plugin.c
+++ b/plugins/admin/admin-plugin.c
@@ -703,7 +703,12 @@ static int admin_show_connectionlist(network_mysqld_con *admin_con, const char *
             g_ptr_array_add(row, g_strdup("0"));
         } else {
             g_ptr_array_add(row, g_strdup("Query"));
-            int diff = (now.tv_sec - con->req_recv_time.tv_sec) * 1000;
+            int diff = now.tv_sec - con->req_recv_time.tv_sec;
+            if (diff > 7200) {
+                g_critical("%s:too slow connection(%s) processing for con:%p",
+                        G_STRLOC, con->client->src->name->str, con);
+            }
+            diff = diff * 1000;
             diff += (now.tv_usec - con->req_recv_time.tv_usec) / 1000;
             snprintf(buffer, sizeof(buffer), "%d", diff);
             g_ptr_array_add(row, g_strdup(buffer));
diff --git a/plugins/proxy/proxy-plugin.c b/plugins/proxy/proxy-plugin.c
index e9efb63..1ae8775 100644
--- a/plugins/proxy/proxy-plugin.c
+++ b/plugins/proxy/proxy-plugin.c
@@ -1060,7 +1060,8 @@ process_quit_cmd(network_mysqld_con *con, int backend_ndx, int *disp_flag)
     if (con->is_in_transaction || network_mysqld_con_is_trx_feature_changed(con)) {
         g_message("%s: change user when COM_QUIT:%d", G_STRLOC, backend_ndx);
         int result;
-        if (con->srv->is_reset_conn_enabled) {
+        if (con->server->is_reset_conn_supported) {
+            g_debug("%s: reset conn when COM_QUIT:%d", G_STRLOC, backend_ndx);
             result = reset_connection(con);
         } else {
             result = adjust_user(con);
diff --git a/src/chassis-mainloop.h b/src/chassis-mainloop.h
index c888ff9..9cb96f1 100644
--- a/src/chassis-mainloop.h
+++ b/src/chassis-mainloop.h
@@ -139,7 +139,6 @@ struct chassis {
     unsigned int master_preferred;
     unsigned int is_reduce_conns;
     unsigned int xa_log_detailed;
-    unsigned int is_reset_conn_enabled;
     unsigned int sharding_reload;
     unsigned int check_slave_delay;
     int complement_conn_cnt;
diff --git a/src/mysql-proxy-cli.c b/src/mysql-proxy-cli.c
index efcad1c..b6cf90d 100644
--- a/src/mysql-proxy-cli.c
+++ b/src/mysql-proxy-cli.c
@@ -102,7 +102,6 @@ typedef struct {
     int is_client_compress_support;
     int check_slave_delay;
     int is_reduce_conns;
-    int is_reset_conn_enabled;
     int long_query_time;
     int xa_log_detailed;
     int cetus_max_allowed_packet;
@@ -374,11 +373,6 @@ int chassis_frontend_set_chassis_options(chassis_frontend_t *frontend, chassis_o
             0, 0, OPTION_ARG_NONE, &(frontend->is_reduce_conns),
             "Reduce connections when idle connection num is too high", NULL);
 
-    chassis_options_add(opts,
-            "enable-reset-connection",
-            0, 0, OPTION_ARG_NONE, &(frontend->is_reset_conn_enabled),
-            "Restart connections when feature changed", NULL);
-
     chassis_options_add(opts,
             "enable-query-cache",
             0, 0, OPTION_ARG_NONE, &(frontend->query_cache_enabled),
@@ -516,7 +510,6 @@ static void init_parameters(chassis_frontend_t *frontend, chassis *srv)
     } else {
         g_message("%s:xa_log_detailed false", G_STRLOC);
     }
-    srv->is_reset_conn_enabled = frontend->is_reset_conn_enabled;
     srv->query_cache_enabled = frontend->query_cache_enabled;
     if (srv->query_cache_enabled) {
         srv->query_cache_table = g_hash_table_new_full(g_str_hash,
diff --git a/src/network-mysqld.c b/src/network-mysqld.c
index 2000485..5d890be 100644
--- a/src/network-mysqld.c
+++ b/src/network-mysqld.c
@@ -959,7 +959,7 @@ network_mysqld_read_mul_packets(chassis G_GNUC_UNUSED *chas,
                 }
 
                 if (query->warning_count > 0) {
-                    g_critical("%s warning flag from server:%s is met:%s", 
+                    g_message("%s warning flag from server:%s is met:%s",
                             G_STRLOC, server->dst->name->str, con->orig_sql->str);
                     con->last_warning_met = 1;
                 }
@@ -4341,6 +4341,11 @@ static retval_t proxy_self_read_handshake(chassis *srv, server_connection_state_
         return RET_ERROR;
     }
 
+    g_debug("%s: server version:%d", G_STRLOC, challenge->server_version);
+    if (challenge->server_version >= 50700) {
+        recv_sock->is_reset_conn_supported = 1;
+    }
+
 #ifndef SIMPLE_PARSER
     if (challenge->server_version < 50707) {
         g_warning("%s: for xa, server:%s, mysql version:%s is lower than 5.7.7", 
diff --git a/src/network-socket.h b/src/network-socket.h
index 1db450d..0ce243d 100644
--- a/src/network-socket.h
+++ b/src/network-socket.h
@@ -149,6 +149,7 @@ typedef struct {
     unsigned int is_multi_stmt_set:1;
     unsigned int is_closed:1;
     unsigned int unavailable:1;
+    unsigned int is_reset_conn_supported:1;
     unsigned int is_in_sess_context:1;
     unsigned int is_in_tran_context:1;
     unsigned int is_robbed:1;