diff --git a/dev.conf b/dev.conf
index c627f81e..117e18fd 100644
--- a/dev.conf
+++ b/dev.conf
@@ -9,5 +9,5 @@ file_format = "%d [%V] %f:%L %m%n"
 
 [rules]
 
-*.*     "./logs/%c.log", 10MB * 3 ~ "./logs/%c.#2s.log"; file_format
+*.*     "./logs/%c.log", 100MB * 10 ~ "./logs/%c.#2s.log"; file_format
 *.*    	>stdout; stdout_format
diff --git a/plugins/ekuiper/plugin_ekuiper.c b/plugins/ekuiper/plugin_ekuiper.c
index a505e09e..93592be1 100644
--- a/plugins/ekuiper/plugin_ekuiper.c
+++ b/plugins/ekuiper/plugin_ekuiper.c
@@ -229,7 +229,7 @@ static int ekuiper_plugin_request(neu_plugin_t *      plugin,
 {
     bool disconnected = false;
 
-    plog_info(plugin, "handling request type: %d", header->type);
+    plog_debug(plugin, "handling request type: %d", header->type);
 
     nng_mtx_lock(plugin->mtx);
     disconnected =
diff --git a/sdk-zlog.conf b/sdk-zlog.conf
index 933e90fe..8c7441ec 100644
--- a/sdk-zlog.conf
+++ b/sdk-zlog.conf
@@ -9,4 +9,4 @@ simple = "%d [%V] %f:%L %m%n"
 
 [rules]
 
-*.INFO     "/var/log/neuron/%c.log", 10MB * 3 ~ "/var/log/neuron/%c-%d(%Y%m%d).#2s.log"; simple
+*.INFO     "/var/log/neuron/%c.log", 100MB * 10 ~ "/var/log/neuron/%c-%d(%Y%m%d).#2s.log"; simple
diff --git a/src/adapter/adapter.c b/src/adapter/adapter.c
index 4bd97951..fcf88ae0 100644
--- a/src/adapter/adapter.c
+++ b/src/adapter/adapter.c
@@ -371,13 +371,8 @@ static int adapter_loop(enum neu_event_io_type type, int fd, void *usr_data)
 
     nng_recvmsg(adapter->sock, &msg, 0);
     header = (neu_reqresp_head_t *) nng_msg_body(msg);
-    if (header->type == NEU_REQRESP_NODES_STATE) {
-        nlog_debug("adapter(%s) recv msg from: %s, type: %s", adapter->name,
-                   header->sender, neu_reqresp_type_string(header->type));
-    } else {
-        nlog_info("adapter(%s) recv msg from: %s, type: %s", adapter->name,
-                  header->sender, neu_reqresp_type_string(header->type));
-    }
+    nlog_debug("adapter(%s) recv msg from: %s, type: %s", adapter->name,
+               header->sender, neu_reqresp_type_string(header->type));
 
     switch (header->type) {
     case NEU_RESP_GET_DRIVER_GROUP:
diff --git a/src/adapter/driver/driver.c b/src/adapter/driver/driver.c
index 620526ca..39c45546 100644
--- a/src/adapter/driver/driver.c
+++ b/src/adapter/driver/driver.c
@@ -846,8 +846,8 @@ static int read_callback(void *usr_data)
             group->driver->adapter.plugin, &group->grp);
 
         spend = global_timestamp - spend;
-        nlog_info("%s-%s timer: %" PRId64, group->driver->adapter.name,
-                  group->name, spend);
+        nlog_debug("%s-%s timer: %" PRId64, group->driver->adapter.name,
+                   group->name, spend);
 
         neu_adapter_update_group_metric(&group->driver->adapter, group->name,
                                         NEU_METRIC_GROUP_LAST_TIMER_MS, spend);
diff --git a/src/core/manager.c b/src/core/manager.c
index e61f3c8c..3e2710c8 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -226,8 +226,8 @@ static int manager_loop(enum neu_event_io_type type, int fd, void *usr_data)
 
     header = (neu_reqresp_head_t *) nng_msg_body(msg);
 
-    nlog_info("manager recv msg from: %s to %s, type: %s", header->sender,
-              header->receiver, neu_reqresp_type_string(header->type));
+    nlog_debug("manager recv msg from: %s to %s, type: %s", header->sender,
+               header->receiver, neu_reqresp_type_string(header->type));
     switch (header->type) {
     case NEU_REQRESP_TRANS_DATA: {
         neu_reqresp_trans_data_t *cmd = (neu_reqresp_trans_data_t *) &header[1];
@@ -658,7 +658,7 @@ inline static void forward_msg_dup(neu_manager_t *manager, nng_msg *msg,
     nng_msg_dup(&out_msg, msg);
     nng_msg_set_pipe(out_msg, pipe);
     if (nng_sendmsg(manager->socket, out_msg, 0) == 0) {
-        nlog_info("forward msg to pipe %d", pipe.id);
+        nlog_debug("forward msg to pipe %d", pipe.id);
     } else {
         nng_msg_free(out_msg);
     }
@@ -673,7 +673,7 @@ inline static void forward_msg(neu_manager_t *manager, nng_msg *msg,
     nng_msg_dup(&out_msg, msg);
     nng_msg_set_pipe(out_msg, pipe);
     if (nng_sendmsg(manager->socket, out_msg, 0) == 0) {
-        nlog_info("forward msg to %s", node);
+        nlog_debug("forward msg to %s", node);
     } else {
         nng_msg_free(out_msg);
     }
diff --git a/src/main.c b/src/main.c
index 5d323536..4ec7ef3d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -68,7 +68,7 @@ static int neuron_run(const neu_cli_args_t *args)
     rv = neu_persister_create(args->config_dir);
     assert(rv == 0);
 
-    zlog_notice(neuron, "neuron process, daemon: %d, version: %s (%s %s)",
+    zlog_notice(neuron, "neuron start, daemon: %d, version: %s (%s %s)",
                 args->daemonized, NEURON_VERSION,
                 NEURON_GIT_REV NEURON_GIT_DIFF, NEURON_BUILD_DATE);
     g_manager = neu_manager_create();
diff --git a/zlog.conf b/zlog.conf
index 13e1a261..97b556a4 100644
--- a/zlog.conf
+++ b/zlog.conf
@@ -8,4 +8,4 @@ simple = "%d [%V] %f:%L %m%n"
 
 [rules]
 
-*.*     "./logs/%c.log", 10MB * 3 ~ "./logs/%c.#2s.log"; simple
+*.*     "./logs/%c.log", 100MB * 10 ~ "./logs/%c.#2s.log"; simple