diff --git a/README.md b/README.md
index 49bdf32..c51aa11 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,11 @@
 - 融合评估：比较两路偏差并选择可信输出
 - 演示入口：展示正常、降级与故障情形
 
-## 运行与验收
+## 构建或运行
+
+`g++ -std=c++17 -Iinclude src/reading.cpp src/fusion.cpp src/main.cpp -o demo && ./demo`
+
+## 验收重点
 
 覆盖双路一致、单路过期、双路冲突及双路无效四种情况，状态和融合值满足规则