diff --git a/Editor/MainComponents/MainComponentListEditor.cs b/Editor/MainComponents/MainComponentListEditor.cs
index 751904d7..065ea98f 100644
--- a/Editor/MainComponents/MainComponentListEditor.cs
+++ b/Editor/MainComponents/MainComponentListEditor.cs
@@ -133,7 +133,26 @@ namespace XCharts.Editor
 
         public void AddChartComponent(Type type)
         {
-            chart.AddChartComponent(type);
+            var component = chart.AddChartComponent(type);
+            if (component != null)
+            {
+                if (component is YAxis)
+                {
+                    var yAxis = component as YAxis;
+                    if (yAxis.index == 1)
+                    {
+                        yAxis.position = Axis.AxisPosition.Right;
+                    }
+                }
+                else if (component is XAxis)
+                {
+                    var xAxis = component as XAxis;
+                    if (xAxis.index == 1)
+                    {
+                        xAxis.position = Axis.AxisPosition.Top;
+                    }
+                }
+            }
             m_ComponentsProperty = m_BaseEditor.RefreshComponent();
             RefreshEditors();
             EditorUtility.SetDirty(chart);
diff --git a/Editor/Windows/XChartsEditor.LineChart.cs b/Editor/Windows/XChartsEditor.LineChart.cs
index 4052d4e4..d41cc4f7 100644
--- a/Editor/Windows/XChartsEditor.LineChart.cs
+++ b/Editor/Windows/XChartsEditor.LineChart.cs
@@ -83,5 +83,13 @@ namespace XCharts.Editor
             var chart = AddChart<LineChart>("LineChart_Time", "Time Line");
             chart.DefaultTimeLineChart();
         }
+
+        [MenuItem("XCharts/LineChart/Log Line", priority = 44)]
+        [MenuItem("GameObject/XCharts/LineChart/Log Line", priority = 44)]
+        public static void AddLineChart_Log()
+        {
+            var chart = AddChart<LineChart>("LineChart_Log", "Log Line");
+            chart.DefaultLogLineChart();
+        }
     }
 }
\ No newline at end of file
diff --git a/Runtime/Chart/LineChart.cs b/Runtime/Chart/LineChart.cs
index 974968f1..a051226f 100644
--- a/Runtime/Chart/LineChart.cs
+++ b/Runtime/Chart/LineChart.cs
@@ -131,5 +131,16 @@ namespace XCharts.Runtime
             var xAxis = GetChartComponent<XAxis>();
             xAxis.type = Axis.AxisType.Time;
         }
+
+        /// <summary>
+        /// default logarithmic line chart.
+        /// || 默认对数轴折线图。
+        /// </summary>
+        public void DefaultLogLineChart()
+        {
+            CheckChartInit();
+            var yAxis = GetChartComponent<YAxis>();
+            yAxis.type = Axis.AxisType.Log;
+        }
     }
 }
\ No newline at end of file