diff --git a/components/bt/host/bluedroid/bta/dm/bta_dm_co.c b/components/bt/host/bluedroid/bta/dm/bta_dm_co.c
index c6b62f3a6f77..5c7ee9bdede2 100644
--- a/components/bt/host/bluedroid/bta/dm/bta_dm_co.c
+++ b/components/bt/host/bluedroid/bta/dm/bta_dm_co.c
@@ -52,6 +52,18 @@ tBTE_APPL_CFG bte_appl_cfg = {
     BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE,
     BTM_BLE_OOB_DISABLE,
 };
+
+void bta_dm_co_security_param_init(void)
+{
+    bte_appl_cfg.ble_auth_req = BTA_LE_AUTH_REQ_SC_MITM_BOND;
+    bte_appl_cfg.ble_io_cap = BTM_LOCAL_IO_CAPS_BLE;
+    bte_appl_cfg.ble_init_key = BTM_BLE_INITIATOR_KEY_SIZE;
+    bte_appl_cfg.ble_resp_key = BTM_BLE_RESPONDER_KEY_SIZE;
+    bte_appl_cfg.ble_max_key_size = BTM_BLE_MAX_KEY_SIZE;
+    bte_appl_cfg.ble_min_key_size = BTM_BLE_MIN_KEY_SIZE;
+    bte_appl_cfg.ble_accept_auth_enable = BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE;
+    bte_appl_cfg.oob_support = BTM_BLE_OOB_DISABLE;
+};
 #endif
 
 #if (defined CLASSIC_BT_INCLUDED && CLASSIC_BT_INCLUDED == TRUE)
diff --git a/components/bt/host/bluedroid/bta/dm/include/bta_dm_int.h b/components/bt/host/bluedroid/bta/dm/include/bta_dm_int.h
index 8adc430b1855..f8548edea43d 100644
--- a/components/bt/host/bluedroid/bta/dm/include/bta_dm_int.h
+++ b/components/bt/host/bluedroid/bta/dm/include/bta_dm_int.h
@@ -1797,6 +1797,9 @@ extern void bta_dm_ble_set_scan_rsp_raw (tBTA_DM_MSG *p_data);
 extern void bta_dm_ble_broadcast (tBTA_DM_MSG *p_data);
 extern void bta_dm_ble_set_data_length(tBTA_DM_MSG *p_data);
 extern void bta_dm_ble_update_duplicate_exceptional_list(tBTA_DM_MSG *p_data);
+#if SMP_INCLUDED == TRUE
+extern void bta_dm_co_security_param_init(void);
+#endif
 #if BLE_ANDROID_CONTROLLER_SCAN_FILTER == TRUE
 extern void bta_dm_cfg_filter_cond (tBTA_DM_MSG *p_data);
 extern void bta_dm_scan_filter_param_setup (tBTA_DM_MSG *p_data);
diff --git a/components/bt/host/bluedroid/btc/core/btc_main.c b/components/bt/host/bluedroid/btc/core/btc_main.c
index 28f70b4b6a5d..c1c694b8a258 100644
--- a/components/bt/host/bluedroid/btc/core/btc_main.c
+++ b/components/bt/host/bluedroid/btc/core/btc_main.c
@@ -60,6 +60,7 @@ static void btc_init_bluetooth(void)
 #if (BLE_INCLUDED == TRUE)
     //load the ble local key which has been stored in the flash
     btc_dm_load_ble_local_keys();
+    bta_dm_co_security_param_init();
 #endif  ///BLE_INCLUDED == TRUE
 #endif /* #if (SMP_INCLUDED) */
 #if BTA_DYNAMIC_MEMORY