FE+BE+DOCS: lock fields, devVlan not saveable

Signed-off-by: jokob-sk <jokob.sk@gmail.com>

front/php/templates/language/zh_cn.json

@@ -300,6 +300,7 @@
     "FieldLock_Error": "",
     "FieldLock_Lock_Tooltip": "",
     "FieldLock_Locked": "",
+    "FieldLock_SaveBeforeLocking": "",
     "FieldLock_Source_Label": "",
     "FieldLock_Unlock_Tooltip": "",
     "FieldLock_Unlocked": "",
@@ -782,4 +783,4 @@
     "settings_system_label": "系统",
     "settings_update_item_warning": "更新下面的值。请注意遵循先前的格式。<b>未执行验证。</b>",
     "test_event_tooltip": "在测试设置之前，请先保存更改。"
-}
+}