diff --git a/Runtime/Internal/CoordinateChart_DrawBar.cs b/Runtime/Internal/CoordinateChart_DrawBar.cs
index dbe0a0fd..169a6306 100644
--- a/Runtime/Internal/CoordinateChart_DrawBar.cs
+++ b/Runtime/Internal/CoordinateChart_DrawBar.cs
@@ -86,10 +86,19 @@ namespace XCharts
                 }
                 else
                 {
-                    valueTotal = xMaxValue - xMinValue;
-                    if (valueTotal != 0)
-                        barHig = (xMinValue > 0 ? value - xMinValue : value)
-                            / valueTotal * grid.runtimeWidth;
+                    if (yAxis.IsLog())
+                    {
+                        int minIndex = xAxis.runtimeMinLogIndex;
+                        float nowIndex = xAxis.GetLogValue(value);
+                        barHig = (nowIndex - minIndex) / xAxis.splitNumber * grid.runtimeWidth;
+                    }
+                    else
+                    {
+                        valueTotal = xMaxValue - xMinValue;
+                        if (valueTotal != 0)
+                            barHig = (xMinValue > 0 ? value - xMinValue : value)
+                                / valueTotal * grid.runtimeWidth;
+                    }
                 }
                 serieData.runtimeStackHig = barHig;
                 var isBarEnd = false;
@@ -223,7 +232,16 @@ namespace XCharts
                     valueTotal = yMaxValue - yMinValue;
                     if (valueTotal != 0)
                     {
-                        barHig = (yMinValue > 0 ? value - yMinValue : value) / valueTotal * grid.runtimeHeight;
+                        if (yAxis.IsLog())
+                        {
+                            int minIndex = yAxis.runtimeMinLogIndex;
+                            float nowIndex = yAxis.GetLogValue(value);
+                            barHig = (nowIndex - minIndex) / yAxis.splitNumber * grid.runtimeHeight;
+                        }
+                        else
+                        {
+                            barHig = (yMinValue > 0 ? value - yMinValue : value) / valueTotal * grid.runtimeHeight;
+                        }
                     }
                 }
                 serieData.runtimeStackHig = barHig;
diff --git a/Runtime/Internal/CoordinateChart_DrawLine.cs b/Runtime/Internal/CoordinateChart_DrawLine.cs
index f557a4f0..ad12063c 100644
--- a/Runtime/Internal/CoordinateChart_DrawLine.cs
+++ b/Runtime/Internal/CoordinateChart_DrawLine.cs
@@ -440,7 +440,7 @@ namespace XCharts
                 {
                     int minIndex = xAxis.runtimeMinLogIndex;
                     float nowIndex = xAxis.GetLogValue(xValue);
-                    xDataHig = (nowIndex - minIndex) / (xAxis.splitNumber - 1) * grid.runtimeWidth;
+                    xDataHig = (nowIndex - minIndex) / xAxis.splitNumber * grid.runtimeWidth;
                 }
                 else
                 {
@@ -451,7 +451,7 @@ namespace XCharts
                 {
                     int minIndex = yAxis.runtimeMinLogIndex;
                     float nowIndex = yAxis.GetLogValue(yValue);
-                    yDataHig = (nowIndex - minIndex) / (yAxis.splitNumber - 1) * grid.runtimeHeight;
+                    yDataHig = (nowIndex - minIndex) / yAxis.splitNumber * grid.runtimeHeight;
                 }
                 else
                 {
@@ -477,7 +477,7 @@ namespace XCharts
                 {
                     int minIndex = yAxis.runtimeMinLogIndex;
                     float nowIndex = yAxis.GetLogValue(yValue);
-                    yDataHig = (nowIndex - minIndex) / (yAxis.splitNumber - 1) * grid.runtimeHeight;
+                    yDataHig = (nowIndex - minIndex) / yAxis.splitNumber * grid.runtimeHeight;
                 }
                 else
                 {
@@ -577,7 +577,7 @@ namespace XCharts
                 {
                     int minIndex = xAxis.runtimeMinLogIndex;
                     float nowIndex = xAxis.GetLogValue(value);
-                    dataHig = (nowIndex - minIndex) / (xAxis.splitNumber - 1) * grid.runtimeWidth;
+                    dataHig = (nowIndex - minIndex) / xAxis.splitNumber * grid.runtimeWidth;
                 }
                 else
                 {
diff --git a/Runtime/Internal/CoordinateChart_DrawScatter.cs b/Runtime/Internal/CoordinateChart_DrawScatter.cs
index 31391e22..5614d043 100644
--- a/Runtime/Internal/CoordinateChart_DrawScatter.cs
+++ b/Runtime/Internal/CoordinateChart_DrawScatter.cs
@@ -91,7 +91,7 @@ namespace XCharts
             {
                 int minIndex = axis.runtimeMinLogIndex;
                 float nowIndex = axis.GetLogValue(value);
-                return (nowIndex - minIndex) / (axis.splitNumber - 1) * totalWidth;
+                return (nowIndex - minIndex) / axis.splitNumber * totalWidth;
             }
             else
             {