diff --git a/c/libs/GUI/GUI_Paint.c b/c/libs/GUI/GUI_Paint.c
index 91b3981..1c751d0 100644
--- a/c/libs/GUI/GUI_Paint.c
+++ b/c/libs/GUI/GUI_Paint.c
@@ -570,6 +570,13 @@ void Paint_DrawString(UWORD Xstart, UWORD Ystart, const char * pString,
     UWORD Xpoint = Xstart;
     UWORD Ypoint = Ystart;
 
+    Debug("Width: ");
+    Debug(Paint.Width)
+    Debug("\n")
+    Debug("Height: ")
+    Debug(Paint.Height)
+    Debug("\n")
+
     if (Xstart > Paint.Width || Ystart > Paint.Height) {
         Debug("Paint_DrawString_EN Input exceeds the normal display range\r\n");
         return;
diff --git a/c/src/p2fa.c b/c/src/p2fa.c
index 8370ead..12658ae 100644
--- a/c/src/p2fa.c
+++ b/c/src/p2fa.c
@@ -31,6 +31,7 @@ int draw() {
     const char *confName = "default";
     GoString confStr = {confName, strlen(confName)};
     const char *code = getCode(confStr);
+    Debug("Code: %s", code);
     Paint_DrawString(5, 5, code, &Font24, WHITE, BLACK);
 
     Paint_DrawRectangle(10, 112, 240, 92, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);