diff --git a/settings.json b/settings.json
index 45563fa..0b85770 100644
--- a/settings.json
+++ b/settings.json
@@ -75,7 +75,10 @@
         "stop_token": "cpp",
         "thread": "cpp",
         "early_ticket.h": "c",
-        "chrono": "cpp"
+        "chrono": "cpp",
+        "usart.h": "c",
+        "gins.h": "c",
+        "common_hardware_init.h": "c"
     },
     "files.autoGuessEncoding": false,
     "files.encoding": "gbk"