diff --git a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_ble.c b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_ble.c
index 35c4bc64a19..978f701f2e5 100644
--- a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_ble.c
+++ b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_ble.c
@@ -82,7 +82,7 @@ static void btc_ble_mesh_ble_callback(esp_ble_mesh_ble_cb_param_t *cb_params, ui
     msg.pid = BTC_PID_BLE_MESH_BLE_COEX;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_ble_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_ble_cb_param_t),
                          btc_ble_mesh_ble_copy_req_data);
 }
 
diff --git a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_config_model.c b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_config_model.c
index 02fc518f8bc..360b37a44bf 100644
--- a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_config_model.c
+++ b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_config_model.c
@@ -298,7 +298,7 @@ static void btc_ble_mesh_config_client_callback(esp_ble_mesh_cfg_client_cb_param
     msg.pid = BTC_PID_CONFIG_CLIENT;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_cfg_client_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_cfg_client_cb_param_t),
                          btc_ble_mesh_config_client_copy_req_data);
 }
 
@@ -702,7 +702,7 @@ static void btc_ble_mesh_config_server_callback(esp_ble_mesh_cfg_server_cb_param
     msg.pid = BTC_PID_CONFIG_SERVER;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_cfg_server_cb_param_t), NULL);
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_cfg_server_cb_param_t), NULL);
 }
 
 void bt_mesh_config_server_cb_evt_to_btc(uint8_t evt_type, struct bt_mesh_model *model,
diff --git a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_generic_model.c b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_generic_model.c
index 6563c3ea0b8..2761fa1b06c 100644
--- a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_generic_model.c
+++ b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_generic_model.c
@@ -368,7 +368,7 @@ static void btc_ble_mesh_generic_client_callback(esp_ble_mesh_generic_client_cb_
     msg.pid = BTC_PID_GENERIC_CLIENT;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_generic_client_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_generic_client_cb_param_t),
                          btc_ble_mesh_generic_client_copy_req_data);
 }
 
@@ -685,7 +685,7 @@ static void btc_ble_mesh_generic_server_callback(esp_ble_mesh_generic_server_cb_
     msg.pid = BTC_PID_GENERIC_SERVER;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_generic_server_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_generic_server_cb_param_t),
                          btc_ble_mesh_generic_server_copy_req_data);
 }
 
diff --git a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_health_model.c b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_health_model.c
index 8b46048b599..867b532ec36 100644
--- a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_health_model.c
+++ b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_health_model.c
@@ -231,7 +231,7 @@ static void btc_ble_mesh_health_client_callback(esp_ble_mesh_health_client_cb_pa
     msg.pid = BTC_PID_HEALTH_CLIENT;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_health_client_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_health_client_cb_param_t),
                          btc_ble_mesh_health_client_copy_req_data);
 }
 
@@ -542,7 +542,7 @@ static void btc_ble_mesh_health_server_callback(esp_ble_mesh_health_server_cb_pa
     msg.pid = BTC_PID_HEALTH_SERVER;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_health_server_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_health_server_cb_param_t),
                          btc_ble_mesh_health_server_copy_req_data);
 }
 
diff --git a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_lighting_model.c b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_lighting_model.c
index 1c3fc68e54c..ec711c50182 100644
--- a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_lighting_model.c
+++ b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_lighting_model.c
@@ -212,7 +212,7 @@ static void btc_ble_mesh_lighting_client_callback(esp_ble_mesh_light_client_cb_p
     msg.pid = BTC_PID_LIGHTING_CLIENT;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_light_client_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_light_client_cb_param_t),
                          btc_ble_mesh_lighting_client_copy_req_data);
 }
 
@@ -497,7 +497,7 @@ static void btc_ble_mesh_lighting_server_callback(esp_ble_mesh_lighting_server_c
     msg.pid = BTC_PID_LIGHTING_SERVER;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_lighting_server_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_lighting_server_cb_param_t),
                          btc_ble_mesh_lighting_server_copy_req_data);
 }
 
diff --git a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_prov.c b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_prov.c
index 0f41e512f9d..7ffe09ce634 100644
--- a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_prov.c
+++ b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_prov.c
@@ -368,7 +368,7 @@ static bt_status_t btc_ble_mesh_model_callback(esp_ble_mesh_model_cb_param_t *pa
     msg.pid = BTC_PID_MODEL;
     msg.act = act;
 
-    ret = btc_transfer_context(&msg, param, sizeof(esp_ble_mesh_model_cb_param_t),
+    ret = btc_transfer_context(&msg, param, param == NULL ? 0 : sizeof(esp_ble_mesh_model_cb_param_t),
                                btc_ble_mesh_model_copy_req_data);
     if (ret != BT_STATUS_SUCCESS) {
         BT_ERR("btc_transfer_context failed");
@@ -528,7 +528,7 @@ static bt_status_t btc_ble_mesh_prov_callback(esp_ble_mesh_prov_cb_param_t *para
     msg.pid = BTC_PID_PROV;
     msg.act = act;
 
-    ret = btc_transfer_context(&msg, param, sizeof(esp_ble_mesh_prov_cb_param_t), NULL);
+    ret = btc_transfer_context(&msg, param, param == NULL ? 0 : sizeof(esp_ble_mesh_prov_cb_param_t), NULL);
     if (ret != BT_STATUS_SUCCESS) {
         BT_ERR("btc_transfer_context failed");
     }
diff --git a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_sensor_model.c b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_sensor_model.c
index c89ff4a7d45..c33be507c07 100644
--- a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_sensor_model.c
+++ b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_sensor_model.c
@@ -450,7 +450,7 @@ static void btc_ble_mesh_sensor_client_callback(esp_ble_mesh_sensor_client_cb_pa
     msg.pid = BTC_PID_SENSOR_CLIENT;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_sensor_client_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_sensor_client_cb_param_t),
                          btc_ble_mesh_sensor_client_copy_req_data);
 }
 
@@ -817,7 +817,7 @@ static void btc_ble_mesh_sensor_server_callback(esp_ble_mesh_sensor_server_cb_pa
     msg.pid = BTC_PID_SENSOR_SERVER;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_sensor_server_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_sensor_server_cb_param_t),
                          btc_ble_mesh_sensor_server_copy_req_data);
 }
 
diff --git a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_time_scene_model.c b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_time_scene_model.c
index fa2d4ab7ea6..67862cb2572 100644
--- a/components/bt/esp_ble_mesh/btc/btc_ble_mesh_time_scene_model.c
+++ b/components/bt/esp_ble_mesh/btc/btc_ble_mesh_time_scene_model.c
@@ -214,7 +214,7 @@ static void btc_ble_mesh_time_scene_client_callback(esp_ble_mesh_time_scene_clie
     msg.pid = BTC_PID_TIME_SCENE_CLIENT;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_time_scene_client_cb_param_t),
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_time_scene_client_cb_param_t),
                          btc_ble_mesh_time_scene_client_copy_req_data);
 }
 
@@ -401,7 +401,7 @@ static void btc_ble_mesh_time_scene_server_callback(esp_ble_mesh_time_scene_serv
     msg.pid = BTC_PID_TIME_SCENE_SERVER;
     msg.act = act;
 
-    btc_transfer_context(&msg, cb_params, sizeof(esp_ble_mesh_time_scene_server_cb_param_t), NULL);
+    btc_transfer_context(&msg, cb_params, cb_params == NULL ? 0 : sizeof(esp_ble_mesh_time_scene_server_cb_param_t), NULL);
 }
 
 void bt_mesh_time_scene_server_cb_evt_to_btc(uint8_t evt_type, struct bt_mesh_model *model,