diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..e834bc5
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "files.associations": {
+        "los_queue_pri.h": "c",
+        "los_trace.h": "c",
+        "los_task_pri.h": "c"
+    }
+}
\ No newline at end of file
diff --git a/doc/用例描述_oujiashu.docx b/doc/用例描述_oujiashu.docx
new file mode 100644
index 0000000..367e6a9
Binary files /dev/null and b/doc/用例描述_oujiashu.docx differ