diff --git a/c/src/p2fa.c b/c/src/p2fa.c
index 35be4c8..aa8df23 100644
--- a/c/src/p2fa.c
+++ b/c/src/p2fa.c
@@ -33,11 +33,9 @@ int draw() {
         return -1;
     }
     Paint_NewImage(BlackImage, EPD_2in13_V4_WIDTH, EPD_2in13_V4_HEIGHT, 90, WHITE);
-
-    EPD_2in13_V4_Init();
-    Paint_SelectImage(BlackImage);
     Paint_Clear(WHITE);
 
+    Paint_SelectImage(BlackImage)
     Paint_DrawString(32, 10, "Hello, World!", &Font16, WHITE, BLACK);
 
     const char *confName = "default";
@@ -47,10 +45,13 @@ int draw() {
     Paint_DrawString(5, 5, code, &Font24, WHITE, BLACK);
 
     Paint_DrawRectangle(10, 112, 240, 92, BLACK, DOT_PIXEL_1X1, DRAW_FILL_EMPTY);
+    EPD_2in13_V4_Display_Base(BlackImage);
+
     uint64_t timeLeft = getTimeRemainingMS(30);
     for (int j = 0; j < 3; ++j) {
         for (int i = getTimeRemainingMS(30); i > 200; i = getTimeRemainingMS(30)) {
             Paint_DrawRectangle(10, 112, (timeLeft / (30 * 1000)) * 240, 92, BLACK, DOT_PIXEL_1X1, DRAW_FILL_FULL);
+            EPD_2in13_V4_Display_Partial(BlackImage);
             DEV_Delay_ms(100);
         }
     }