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 6c66a29de66..8fb22a10676 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
@@ -90,7 +90,7 @@ 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 22dccaa7b2e..a9c7ca0d177 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
@@ -306,7 +306,7 @@ 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);
 }
 
@@ -710,7 +710,7 @@ 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 c73b43155e4..222eb39266a 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
@@ -376,7 +376,7 @@ 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);
 }
 
@@ -693,7 +693,7 @@ 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 2cc8dcf7788..996a353cac6 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
@@ -239,7 +239,7 @@ 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);
 }
 
@@ -550,7 +550,7 @@ 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 8ece595a99b..254065f3a80 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
@@ -220,7 +220,7 @@ 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);
 }
 
@@ -505,7 +505,7 @@ 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 0361595b5f6..0eab5620bec 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
@@ -376,7 +376,7 @@ 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");
@@ -536,7 +536,7 @@ 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 9e6c1ae3b7f..d3ef66c4de4 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
@@ -458,7 +458,7 @@ 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);
 }
 
@@ -825,7 +825,7 @@ 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 66ad4eaaecb..90e4d251756 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
@@ -222,7 +222,7 @@ 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);
 }
 
@@ -409,7 +409,7 @@ 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,