diff --git a/src/obproxy/ob_proxy.cpp b/src/obproxy/ob_proxy.cpp
index 36003e15a3b1bd4ef7195ce66f7652fdeae51ef8..c90b70e75ea181839b109453fd52c3fd0bc32987 100644
--- a/src/obproxy/ob_proxy.cpp
+++ b/src/obproxy/ob_proxy.cpp
@@ -262,7 +262,7 @@ int ObProxy::start()
   } else if (OB_FAIL(ObMysqlProxyServerMain::start_mysql_proxy_server(*mysql_config_params_))) {
     LOG_ERROR("fail to start mysql proxy server", K(ret));
   } else if (OB_FAIL(ObProxyMain::get_instance()->schedule_detect_task())) {
-    LOG_ERROR("fail to schedule detech task", K(ret));
+    LOG_ERROR("fail to schedule detect task", K(ret));
   } else {
 
     // we can't strongly dependent on the OCP.
@@ -326,7 +326,7 @@ int ObProxy::start()
     } else if (OB_FAIL(ObCacheCleaner::schedule_cache_cleaner())) {
       LOG_WARN("fail to alloc and schedule cache cleaner", K(ret));
     } else if (config_->is_metadb_used() && OB_FAIL(proxy_table_processor_.start_check_table_task())) {
-      LOG_WARN("fail to start check table check", K(ret));
+      LOG_WARN("fail to start check table task", K(ret));
     } else if (OB_FAIL(hot_upgrade_processor_.start_hot_upgrade_task())) {
       LOG_WARN("fail to start hot upgrade task", K(ret));
     } else if (OB_FAIL(log_file_processor_->start_cleanup_log_file())) {
@@ -338,7 +338,7 @@ int ObProxy::start()
     } else if (OB_FAIL(tenant_stat_mgr_->start_tenant_stat_dump_task())) {
       LOG_ERROR("fail to start_tenant_stat_dump_task", K(ret));
     } else if (OB_FAIL(g_ob_qos_stat_processor.start_qos_stat_clean_task())) {
-      LOG_ERROR("fail to start_tenant_stat_dump_task", K(ret));
+      LOG_ERROR("fail to start_qos_stat_clean_task", K(ret));
     } else if (config_->enable_sharding
                && config_->is_control_plane_used()
                && !config_->use_local_dbconfig
diff --git a/src/obproxy/proxy/mysql/ob_mysql_sm.cpp b/src/obproxy/proxy/mysql/ob_mysql_sm.cpp
index 11da28076201de616d25859737bd66ce85e5825b..fe3ff3b1fd18ec715d35c138bced4e5663a9b6dc 100644
--- a/src/obproxy/proxy/mysql/ob_mysql_sm.cpp
+++ b/src/obproxy/proxy/mysql/ob_mysql_sm.cpp
@@ -2069,7 +2069,7 @@ int ObMysqlSM::analyze_login_request(ObRequestAnalyzeCtx &ctx, ObMysqlAnalyzeSta
   ObUnixNetVConnection* unix_vc = static_cast<ObUnixNetVConnection *>(client_session_->get_netvc());
   if (NULL == unix_vc) {
     ret = OB_ERR_UNEXPECTED;
-    LOG_WARN("client entry vc is null", K(ret));
+    LOG_WARN("client unix vc is null", K(ret));
   } else if (hsr.response_.is_ssl_request() && !unix_vc->ssl_connected()) {
     if (OB_FAIL(unix_vc->ssl_init(ObUnixNetVConnection::SSL_SERVER,
                                   client_session_->get_vip_cluster_name(),
diff --git a/src/obproxy/proxy/route/ob_tenant_server.cpp b/src/obproxy/proxy/route/ob_tenant_server.cpp
index 6eb8ddfcda16773bddc98bc3a0b7ef31820cf92d..fcf5186a5cea91223aeeb22d3de4151fffeb36f7 100644
--- a/src/obproxy/proxy/route/ob_tenant_server.cpp
+++ b/src/obproxy/proxy/route/ob_tenant_server.cpp
@@ -43,7 +43,7 @@ int ObTenantServer::init(const ObIArray<ObProxyReplicaLocation> &locations)
     LOG_WARN("invalid replica location", K(locations), K(ret));
   } else if (OB_UNLIKELY(NULL != server_array_)) {
     ret = OB_ERR_UNEXPECTED;
-    LOG_WARN("server_list_ should be null here", K(server_array_), K(ret));
+    LOG_WARN("server_array_ should be null here", K(server_array_), K(ret));
   } else {
     const int64_t alloc_size = static_cast<int64_t>(sizeof(ObProxyReplicaLocation)) * locations.count();
     char *server_list_buf = NULL;