diff --git a/c/src/p2fa.c b/c/src/p2fa.c
index eae1bb9..4d7825d 100644
--- a/c/src/p2fa.c
+++ b/c/src/p2fa.c
@@ -18,11 +18,6 @@ void Handler(int sigNum) {
     exit(0);
 }
 
-int main() {
-    signal(SIGINT, Handler);
-    return 0;
-}
-
 int draw() {
     Debug("EPD_2in13_V4_test Demo\r\n");
     if(DEV_Module_Init()!=0){
@@ -161,3 +156,11 @@ int draw() {
     DEV_Module_Exit();
     return 0;
 }
+
+int main() {
+    signal(SIGINT, Handler);
+
+    draw();
+
+    return 0;
+}
\ No newline at end of file