diff --git a/components/bt/common/btc/core/btc_task.c b/components/bt/common/btc/core/btc_task.c
index bc2bd836d0..93f36b5e23 100644
--- a/components/bt/common/btc/core/btc_task.c
+++ b/components/bt/common/btc/core/btc_task.c
@@ -239,6 +239,7 @@ bt_status_t btc_transfer_context(btc_msg_t *msg, void *arg, int arg_len, btc_arg
     bt_status_t ret;
     //                              arg XOR arg_len
     if ((msg == NULL) || ((arg == NULL) == !(arg_len == 0))) {
+        BTC_TRACE_WARNING("%s Invalid parameters\n", __func__);
         return BT_STATUS_PARM_INVALID;
     }
 
@@ -246,6 +247,7 @@ bt_status_t btc_transfer_context(btc_msg_t *msg, void *arg, int arg_len, btc_arg
 
     lmsg = (btc_msg_t *)osi_malloc(sizeof(btc_msg_t) + arg_len);
     if (lmsg == NULL) {
+        BTC_TRACE_WARNING("%s No memory\n", __func__);
         return BT_STATUS_NOMEM;
     }
 
diff --git a/components/bt/host/bluedroid/api/esp_hf_ag_api.c b/components/bt/host/bluedroid/api/esp_hf_ag_api.c
index 7ab3e4b575..918e08ca01 100644
--- a/components/bt/host/bluedroid/api/esp_hf_ag_api.c
+++ b/components/bt/host/bluedroid/api/esp_hf_ag_api.c
@@ -51,7 +51,7 @@ esp_err_t esp_hf_ag_init(void)
     msg.act = BTC_HF_INIT_EVT;
 
     /* Switch to BTC context */
-    bt_status_t status = btc_transfer_context(&msg, NULL, sizeof(btc_hf_args_t), NULL, NULL);
+    bt_status_t status = btc_transfer_context(&msg, NULL, 0, NULL, NULL);
     return (status == BT_STATUS_SUCCESS) ? ESP_OK : ESP_FAIL;
 }
 
@@ -66,7 +66,7 @@ esp_err_t esp_hf_ag_deinit(void)
     msg.act = BTC_HF_DEINIT_EVT;
 
     /* Switch to BTC context */
-    bt_status_t status = btc_transfer_context(&msg, NULL, sizeof(btc_hf_args_t), NULL, NULL);
+    bt_status_t status = btc_transfer_context(&msg, NULL, 0, NULL, NULL);
     return (status == BT_STATUS_SUCCESS) ? ESP_OK : ESP_FAIL;
 }