diff --git a/.vscode/settings.json b/.vscode/settings.json
index ee85816..608c7fa 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,6 +1,7 @@
 {
     "files.associations": {
         "*.hpp": "cpp",
-        "functional": "cpp"
+        "functional": "cpp",
+        "iostream": "cpp"
     }
 }
\ No newline at end of file
diff --git a/README.md b/README.md
index ebdb595..a623f7b 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,2 @@
- gcc -static -static-libgcc -static-libstdc++ .\rockchip_gpio_pin_num_to_name.cpp -lwsock32 -lstdc++ -o rockchip_gpio_pin_num_to_name.exe
\ No newline at end of file
+ gcc -static -static-libgcc -static-libstdc++ .\rockchip_gpio_pin_num_to_name.cpp -lwsock32 -lstdc++ -o rockchip_gpio_pin_num_to_name.exe
+ gcc -static -static-libgcc -static-libstdc++ .\rockchip_gpio_pin_name_to_num.cpp -lwsock32 -lstdc++ -o rockchip_gpio_pin_name_to_num.exe
\ No newline at end of file
diff --git a/release/rockchip_gpio_pin_name_to_num.exe b/release/rockchip_gpio_pin_name_to_num.exe
new file mode 100644
index 0000000..ce97121
Binary files /dev/null and b/release/rockchip_gpio_pin_name_to_num.exe differ
diff --git a/rockchip_gpio_pin_name_to_num.cpp b/rockchip_gpio_pin_name_to_num.cpp
new file mode 100644
index 0000000..86a1abb
--- /dev/null
+++ b/rockchip_gpio_pin_name_to_num.cpp
@@ -0,0 +1,30 @@
+#include <fstream>
+#include <functional>
+#include <iostream>
+#include <list>
+#include <map>
+#include <memory>
+#include <set>
+#include <sstream>
+#include <string>
+#include <vector>
+using namespace std;
+
+int main(int argc, char const *argv[]) {
+  //
+  cout << "============== Rockchip gpio computer ==============" << endl;
+
+  while (true) {
+    int gpiopinNum = 0;
+    int pingroup = 0;
+    char pinsubgroup = 0;
+    int pinoff = 0;
+    printf("Please input gpio pin name: GPIO");
+    fflush(stdout);
+    scanf("%d-%c%d", &pingroup, &pinsubgroup, &pinoff);
+    gpiopinNum = pingroup * 32 + (pinsubgroup - 'A') * 8 + pinoff;
+    printf("GPIO%d-%c%d -> GPIO%d\n", pingroup, pinsubgroup, pinoff, gpiopinNum);
+  }
+
+  return 0;
+}