diff --git a/main/main.cpp b/main/main.cpp
index 025475e..b175a60 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -69,8 +69,9 @@ TextRenderer generateTextRender() {
     vkvm::Color speicialFontColor = vkvm::Color(100, 100, 100);
 
 //    vkvm::FontType fontType = vkvm::getFont();
-    int fontSize = std::stoi(command);
+//    int fontSize = std::stoi(command);
 
+    int fontSize = 2;
 //    int font_id = fontType.getId();
     std::string fontResourcePath = "../res/font" + std::to_string(3)  + ".bmp";
     std::string fontConfigureFilePath = "../res/font" + std::to_string(3)  + ".toml";
@@ -92,7 +93,7 @@ void test1() {
     while(command.compare("quit") != 0) {
         if(command.compare("RenderText") == 0) {
             vkvm::callEvent(vkvm::EventType::RenderText);
-            outputWindow(vkvm::getHeight(), vkvm::getWidth(), vkvm::getForegroundColor());
+//            outputWindow(vkvm::getHeight(), vkvm::getWidth(), vkvm::getForegroundColor());
         }
 
         else if(command.compare("Redraw") == 0) {
diff --git a/src/TextRenderer.cpp b/src/TextRenderer.cpp
index 5ea0a9e..4334ef6 100644
--- a/src/TextRenderer.cpp
+++ b/src/TextRenderer.cpp
@@ -55,6 +55,8 @@ void TextRenderer::update(std::string newText) {
     int fontNumbersInOneLine = windowWidth / (fontWidth + left_margin);
     std::vector<std::vector<bool>> characterBitmap;
 
+//    std::cout << fontNumbersInOneLine << "..." << std::endl;
+
     if(newText.size() < oldTextsize) {
         clear(currentX, currentY, fontWidth, currentY + fontHeight);
     }
@@ -76,10 +78,15 @@ void TextRenderer::update(std::string newText) {
 
 //                    blink.setCurrentX(currentX + fontWidth);
 //                    blink.setCurrentY(currentY);
+                    int tempBlinkX = blinkX;
+                    int tempBlinkY = blinkY;
+
                     blinkX = currentX + fontWidth;
                     blinkY = currentY;
 
-                    characterBitmap = getCharacter(newText[i], font);
+                    clear(tempBlinkX, tempBlinkY, tempBlinkX + 1, tempBlinkY + fontHeight);
+
+                    characterBitmap = getCharacter(newText[i - 1], font);
 
                     translateToSharedMemory(characterBitmap, currentX, currentY, speicialFontColor);
                 } else {
diff --git a/src/TextRenderer.h b/src/TextRenderer.h
index c59d810..7c83796 100644
--- a/src/TextRenderer.h
+++ b/src/TextRenderer.h
@@ -87,7 +87,6 @@ private:
 
 //    void setPixelRange(int startX, int startY, int endX, int endY, int type);
     std::string adjustText(std::string newText);
-
     std::string adjustText(std::string newText, int startLine, int endLine);
 };