diff --git a/Editor/PropertyDrawers/AxisDrawer.cs b/Editor/PropertyDrawers/AxisDrawer.cs
index eaa80b80..8107432c 100644
--- a/Editor/PropertyDrawers/AxisDrawer.cs
+++ b/Editor/PropertyDrawers/AxisDrawer.cs
@@ -66,7 +66,13 @@ namespace XCharts
                 {
                     EditorGUI.PropertyField(drawRect, m_LogBaseE);
                     drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
+                    EditorGUI.BeginChangeCheck();
                     EditorGUI.PropertyField(drawRect, m_LogBase);
+                    if (m_LogBase.floatValue <= 0 || m_LogBase.floatValue == 1)
+                    {
+                        m_LogBase.floatValue = 10;
+                    }
+                    EditorGUI.EndChangeCheck();
                     drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 }
                 if (type == Axis.AxisType.Value)
diff --git a/Runtime/Component/Main/Axis.cs b/Runtime/Component/Main/Axis.cs
index 18bd4c56..aac96e45 100644
--- a/Runtime/Component/Main/Axis.cs
+++ b/Runtime/Component/Main/Axis.cs
@@ -169,7 +169,11 @@ namespace XCharts
         public float logBase
         {
             get { return m_LogBase; }
-            set { if (PropertyUtility.SetStruct(ref m_LogBase, value)) SetAllDirty(); }
+            set
+            {
+                if (value <= 0 || value == 1) value = 10;
+                if (PropertyUtility.SetStruct(ref m_LogBase, value)) SetAllDirty();
+            }
         }
         /// <summary>
         /// On the log axis, if base e is the natural number, and is true, logBase fails.
@@ -745,7 +749,7 @@ namespace XCharts
 
         public float GetLogValue(float value)
         {
-            if (value <= 0) return 0;
+            if (value <= 0 || value == 1) return 0;
             return logBaseE ? Mathf.Log(value) : Mathf.Log(value, logBase);
         }