diff --git a/Scripts/UI/Internal/CoordinateChart.cs b/Scripts/UI/Internal/CoordinateChart.cs
index 0d2d542b..65a4dd79 100644
--- a/Scripts/UI/Internal/CoordinateChart.cs
+++ b/Scripts/UI/Internal/CoordinateChart.cs
@@ -636,7 +636,7 @@ namespace XCharts
         private void UpdateAxisMinMaxValue(int axisIndex, Axis axis)
         {
             axis.minValue = 0;
-            axis.maxValue = 100;
+            axis.maxValue = 0;
             if (axis.IsCategory()) return;
 
             int tempMinValue = 0;