diff --git a/Scripts/Editor/PropertyDrawers/AxisLabelDrawer.cs b/Scripts/Editor/PropertyDrawers/AxisLabelDrawer.cs
index d55cbacf..6f420d5d 100644
--- a/Scripts/Editor/PropertyDrawers/AxisLabelDrawer.cs
+++ b/Scripts/Editor/PropertyDrawers/AxisLabelDrawer.cs
@@ -14,6 +14,7 @@ namespace XCharts
             Rect drawRect = pos;
             drawRect.height = EditorGUIUtility.singleLineHeight;
             SerializedProperty show = prop.FindPropertyRelative("m_Show");
+            SerializedProperty m_Formatter = prop.FindPropertyRelative("m_Formatter");
             SerializedProperty m_Inside = prop.FindPropertyRelative("m_Inside");
             SerializedProperty m_Interval = prop.FindPropertyRelative("m_Interval");
             SerializedProperty m_Rotate = prop.FindPropertyRelative("m_Rotate");
@@ -22,9 +23,9 @@ namespace XCharts
             SerializedProperty m_FontSize = prop.FindPropertyRelative("m_FontSize");
             SerializedProperty m_FontStyle = prop.FindPropertyRelative("m_FontStyle");
 
-            ChartEditorHelper.MakeFoldout(ref drawRect, ref m_AxisLabelToggle,prop, "Axis Label", show, false);
+            ChartEditorHelper.MakeFoldout(ref drawRect, ref m_AxisLabelToggle, prop, "Axis Label", show, false);
             drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
-            if (ChartEditorHelper.IsToggle(m_AxisLabelToggle,prop))
+            if (ChartEditorHelper.IsToggle(m_AxisLabelToggle, prop))
             {
                 ++EditorGUI.indentLevel;
                 EditorGUI.PropertyField(drawRect, m_Inside);
@@ -41,6 +42,8 @@ namespace XCharts
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 EditorGUI.PropertyField(drawRect, m_FontStyle);
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
+                EditorGUI.PropertyField(drawRect, m_Formatter);
+                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 --EditorGUI.indentLevel;
             }
         }
@@ -48,9 +51,9 @@ namespace XCharts
         public override float GetPropertyHeight(SerializedProperty prop, GUIContent label)
         {
             float height = 0;
-            if (ChartEditorHelper.IsToggle(m_AxisLabelToggle,prop))
+            if (ChartEditorHelper.IsToggle(m_AxisLabelToggle, prop))
             {
-                height += 7 * EditorGUIUtility.singleLineHeight + 6 * EditorGUIUtility.standardVerticalSpacing;
+                height += 8 * EditorGUIUtility.singleLineHeight + 7 * EditorGUIUtility.standardVerticalSpacing;
             }
             return height;
         }
diff --git a/Scripts/UI/Component/Axis.cs b/Scripts/UI/Component/Axis.cs
index b620abb2..d194cbbd 100644
--- a/Scripts/UI/Component/Axis.cs
+++ b/Scripts/UI/Component/Axis.cs
@@ -440,15 +440,7 @@ namespace XCharts
                 {
                     value = (minValue + (maxValue - minValue) * index / (split - 1));
                 }
-                if (_cacheValue2str.ContainsKey(value)) return _cacheValue2str[value];
-                else
-                {
-                    if (value - (int)value == 0)
-                        _cacheValue2str[value] = (value).ToString();
-                    else
-                        _cacheValue2str[value] = (value).ToString("f1");
-                    return _cacheValue2str[value];
-                }
+                return m_AxisLabel.GetFormatterContent(value);
             }
             var showData = GetDataList(dataZoom);
             int dataCount = showData.Count;
@@ -456,7 +448,7 @@ namespace XCharts
 
             if (index == split - 1 && !m_BoundaryGap)
             {
-                return showData[dataCount - 1];
+                return m_AxisLabel.GetFormatterContent(showData[dataCount - 1]);
             }
             else
             {
@@ -465,7 +457,7 @@ namespace XCharts
                 int offset = m_BoundaryGap ? (int)(rate / 2) : 0;
                 int newIndex = (int)(index * rate >= dataCount - 1 ?
                     dataCount - 1 : offset + index * rate);
-                return showData[newIndex];
+                return m_AxisLabel.GetFormatterContent(showData[newIndex]);
             }
         }
 
diff --git a/Scripts/UI/Component/Legend.cs b/Scripts/UI/Component/Legend.cs
index a726d058..bebb6721 100644
--- a/Scripts/UI/Component/Legend.cs
+++ b/Scripts/UI/Component/Legend.cs
@@ -90,7 +90,7 @@ namespace XCharts
         /// <summary>
         /// 图例内容字符串模版格式器。支持用 \n 换行。
         /// 模板变量为图例名称 {name}
-        /// </example>
+        /// </summary>
         public string formatter { get { return m_Formatter; } set { m_Formatter = value; } }
         /// <summary>
         /// Data array of legend. An array item is usually a name representing string. (If it is a pie chart, 
diff --git a/Scripts/UI/Internal/AxisLabel.cs b/Scripts/UI/Internal/AxisLabel.cs
index c26ff44c..980878fb 100644
--- a/Scripts/UI/Internal/AxisLabel.cs
+++ b/Scripts/UI/Internal/AxisLabel.cs
@@ -11,6 +11,7 @@ namespace XCharts
     public class AxisLabel
     {
         [SerializeField] private bool m_Show = true;
+        [SerializeField] private string m_Formatter;
         [SerializeField] private int m_Interval = 0;
         [SerializeField] private bool m_Inside = false;
         [SerializeField] private float m_Rotate;
@@ -59,6 +60,11 @@ namespace XCharts
         /// 文字字体的风格。
         /// </summary>
         public FontStyle fontStyle { get { return m_FontStyle; } set { m_FontStyle = value; } }
+        /// <summary>
+        /// 图例内容字符串模版格式器。支持用 \n 换行。
+        /// 模板变量为图例名称 {value}，{value:f1} 表示取1为小数
+        /// </summary>
+        public string formatter { get { return m_Formatter; } set { m_Formatter = value; } }
 
         public static AxisLabel defaultAxisLabel
         {
@@ -87,6 +93,7 @@ namespace XCharts
             m_Color = other.color;
             m_FontSize = other.fontSize;
             m_FontStyle = other.fontStyle;
+            m_Formatter = other.formatter;
         }
 
         public override bool Equals(object obj)
@@ -103,12 +110,55 @@ namespace XCharts
                 m_Margin == other.margin &&
                 m_Color == other.color &&
                 m_FontSize == other.fontSize &&
-                m_FontStyle == other.fontStyle;
+                m_FontStyle == other.fontStyle &&
+                m_Formatter == other.formatter;
         }
 
         public override int GetHashCode()
         {
             return base.GetHashCode();
         }
+
+        public string GetFormatterContent(string category)
+        {
+            if (string.IsNullOrEmpty(m_Formatter))
+                return category;
+            else
+            {
+                var content = m_Formatter.Replace("{value}", category);
+                content = content.Replace("\\n", "\n");
+                content = content.Replace("<br/>", "\n");
+                return content;
+            }
+        }
+
+        public string GetFormatterContent(float value)
+        {
+            if (string.IsNullOrEmpty(m_Formatter))
+                if (value - (int)value == 0)
+                    return ChartCached.IntToStr((int)value);
+                else
+                    return ChartCached.FloatToStr(value, 1);
+            else
+            {
+                var content = m_Formatter;
+                if (content.Contains("{value:f2}"))
+                    content = m_Formatter.Replace("{value:f2}", ChartCached.FloatToStr(value, 2));
+                else if (content.Contains("{value:f1}"))
+                    content = m_Formatter.Replace("{value:f1}", ChartCached.FloatToStr(value, 1));
+                else if (content.Contains("{value}"))
+                {
+                    if (value - (int)value == 0)
+
+                        content = m_Formatter.Replace("{value}", ChartCached.IntToStr((int)value));
+                    else
+                        content = m_Formatter.Replace("{value}", ChartCached.FloatToStr(value, 1));
+                }
+
+                content = content.Replace("\\n", "\n");
+                content = content.Replace("<br/>", "\n");
+                return content;
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/Scripts/UI/Utility/ChartCached.cs b/Scripts/UI/Utility/ChartCached.cs
index 2a8192d0..b47f63a2 100644
--- a/Scripts/UI/Utility/ChartCached.cs
+++ b/Scripts/UI/Utility/ChartCached.cs
@@ -12,6 +12,7 @@ namespace XCharts
 
         public static string FloatToStr(float value, int f = 0)
         {
+            if (f > 2) f = 2;
             Dictionary<float, string> valueDic;
             if (f == 1) valueDic = s_ValueToF1Str;
             else if (f == 2) valueDic = s_ValueToF2Str;