diff --git a/components/bt/common/osi/thread.c b/components/bt/common/osi/thread.c
index f53eadb66593..91bc7906ceab 100644
--- a/components/bt/common/osi/thread.c
+++ b/components/bt/common/osi/thread.c
@@ -271,10 +271,10 @@ osi_thread_t *osi_thread_create(const char *name, size_t stack_size, int priorit
         }
 
         for (int i = 0; i < thread->work_queue_num; i++) {
-            if (thread->work_queues[i]) {
+            if (thread->work_queues && thread->work_queues[i]) {
                 osi_work_queue_delete(thread->work_queues[i]);
+                thread->work_queues[i] = NULL;
             }
-            thread->work_queues[i] = NULL;
         }
 
         if (thread->work_queues) {
diff --git a/examples/bluetooth/bluedroid/ble_50/ble50_security_client/main/ble50_sec_gattc_demo.c b/examples/bluetooth/bluedroid/ble_50/ble50_security_client/main/ble50_sec_gattc_demo.c
index bc6d94db364d..dc80eeb7ca9c 100644
--- a/examples/bluetooth/bluedroid/ble_50/ble50_security_client/main/ble50_sec_gattc_demo.c
+++ b/examples/bluetooth/bluedroid/ble_50/ble50_security_client/main/ble50_sec_gattc_demo.c
@@ -430,7 +430,7 @@ static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *par
     }
     case ESP_GAP_BLE_EXT_SCAN_START_COMPLETE_EVT:
         if (param->ext_scan_start.status != ESP_BT_STATUS_SUCCESS) {
-            ESP_LOGE(GATTC_TAG, "scan start failed, error status = %x", param->scan_start_cmpl.status);
+            ESP_LOGE(GATTC_TAG, "scan start failed, error status = %x", param->ext_scan_start.status);
             break;
         }
         ESP_LOGI(GATTC_TAG, "Scan start success");