diff --git a/components/bt/bluedroid/btc/profile/std/gatt/btc_gattc.c b/components/bt/bluedroid/btc/profile/std/gatt/btc_gattc.c
index a49f3ed1b..6a4d51974 100644
--- a/components/bt/bluedroid/btc/profile/std/gatt/btc_gattc.c
+++ b/components/bt/bluedroid/btc/profile/std/gatt/btc_gattc.c
@@ -631,7 +631,7 @@ static void btc_gattc_prepare_write_char_descr(btc_ble_gattc_args_t *arg)
                                     arg->prep_write_descr.auth_req);
 }
 
-static void btc_gattc_execute_wrtie(btc_ble_gattc_args_t *arg)
+static void btc_gattc_execute_write(btc_ble_gattc_args_t *arg)
 {
     BTA_GATTC_ExecuteWrite(arg->exec_write.conn_id, arg->exec_write.is_execute);
 }
@@ -711,7 +711,7 @@ void btc_gattc_call_handler(btc_msg_t *msg)
         btc_gattc_prepare_write_char_descr(arg);
         break;
     case BTC_GATTC_ACT_EXECUTE_WRITE:
-        btc_gattc_execute_wrtie(arg);
+        btc_gattc_execute_write(arg);
         break;
     case BTC_GATTC_ACT_REG_FOR_NOTIFY:
         btc_gattc_reg_for_notify(arg);
diff --git a/docs/api-guides/romconsole.rst b/docs/api-guides/romconsole.rst
index 37fd5694e..d33ca0000 100644
--- a/docs/api-guides/romconsole.rst
+++ b/docs/api-guides/romconsole.rst
@@ -44,7 +44,7 @@ Expressions, Math
 Control
 -------
 
-- IF expression THEN statement - *perform statement if expression is true*
+- IF expression statement - *perform statement if expression is true*
 - FOR variable = start TO end	- *start for block*
 - FOR variable = start TO end STEP value - *start for block with step*
 - NEXT - *end of for block*
diff --git a/docs/get-started/index-cn.rst b/docs/get-started/index-cn.rst
index 5a0bbbe62..5d2a21da3 100644
--- a/docs/get-started/index-cn.rst
+++ b/docs/get-started/index-cn.rst
@@ -142,7 +142,7 @@ ESP-IDF 将会被下载到 ``~/esp/esp-idf``。
 将 :example:`get-started/hello_world` 拷贝到 ``~/esp`` 目录： ::
 
     cd ~/esp
-    cp -r $IDF_PATH/examples/get-started/hello_world
+    cp -r $IDF_PATH/examples/get-started/hello_world .
 
 ESP-IDF 的 :idf:`examples` 目录下有一系列示例工程，都可以按照上面的方法进行创建。