diff --git a/src/TextRenderer.cpp b/src/TextRenderer.cpp
index ba90270..5ea0a9e 100644
--- a/src/TextRenderer.cpp
+++ b/src/TextRenderer.cpp
@@ -1,6 +1,7 @@
 //
 // Created by my on 2019/11/16.
 //
+#include <internal.hpp>
 #include "TextRenderer.h"
 
 TextRenderer::TextRenderer(int windowWidth, int windowHeight, vkvm::Color _backGroundColor, vkvm::Color fontColor, vkvm::Color speicialFontColor,
@@ -211,6 +212,8 @@ void TextRenderer::blink1() {
         }
         signal = !signal;
 
+        vkvm::callEvent(vkvm::Redraw);
+
         std::this_thread::sleep_for(std::chrono::milliseconds(800));
     }
 }