diff --git a/src/main/java/rvc/timecalc/ProgressSquare.java b/src/main/java/rvc/timecalc/ProgressSquare.java
index b9c6154..1fec15c 100644
--- a/src/main/java/rvc/timecalc/ProgressSquare.java
+++ b/src/main/java/rvc/timecalc/ProgressSquare.java
@@ -17,8 +17,13 @@ public class ProgressSquare extends JPanel {
     private int side = 0;
     private int square;
     private double donePercent = 0;
+
     private boolean highlight = false;
 
+    public void setHighlight(boolean highlight) {
+        this.highlight = highlight;
+    }
+
     public ProgressSquare() {
         setPreferredSize(new Dimension(400, 400));
         setBackground(BACKGROUND_COLOR);
@@ -57,10 +62,6 @@ public class ProgressSquare extends JPanel {
 
     @Override
     public void paintComponent(Graphics g) {
-
-        if(donePercent >= 0.99) {
-            highlight = true;
-        }
         if (side == 0) {
             this.side = Math.min(getWidth(), getHeight());
             this.square = side * side;
diff --git a/src/main/java/rvc/timecalc/TimeCalcWindow.java b/src/main/java/rvc/timecalc/TimeCalcWindow.java
index 84bf3e4..795f1f2 100644
--- a/src/main/java/rvc/timecalc/TimeCalcWindow.java
+++ b/src/main/java/rvc/timecalc/TimeCalcWindow.java
@@ -188,6 +188,7 @@ public class TimeCalcWindow {
             }
             if (hourRemains == 0 && minuteRemains <= 3) {
                 analogClock.setHighlight(true);
+                progressSquare.setHighlight(true);
                 text.setForeground(Color.BLUE);
             }