diff --git a/examples/bluetooth/bluedroid/classic_bt/hfp_ag/main/bt_app_hf.c b/examples/bluetooth/bluedroid/classic_bt/hfp_ag/main/bt_app_hf.c
index a83c1e39bb..05b75588d4 100644
--- a/examples/bluetooth/bluedroid/classic_bt/hfp_ag/main/bt_app_hf.c
+++ b/examples/bluetooth/bluedroid/classic_bt/hfp_ag/main/bt_app_hf.c
@@ -85,9 +85,9 @@ const char *c_volume_control_target_str[] = {
 
 // esp_hf_subscriber_service_type_t
 char *c_operator_name_str[] = {
-    "中国移动",
-    "中国联通",
-    "中国电信",
+    "China Mobile",
+    "China Unicom",
+    "China Telecom",
 };
 
 // esp_hf_subscriber_service_type_t