diff --git a/C++/readme.md b/C++/readme.md
index 7a0520f7..be3f96ac 100644
--- a/C++/readme.md
+++ b/C++/readme.md
@@ -1,3 +1,16 @@
 # 客流统计算法
 
 ## 环境配置
+
+### 安装RK1109/RK1126交叉编译工具链
+
+### Opencv交叉编译
+
+### OpenSSL交叉编译
+
+### 编译
+    mkdir build
+    cd build
+    cmake ..
+    make
+    
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