diff --git a/Documentation~/zh/changelog.md b/Documentation~/zh/changelog.md
index 10313dce..18d8d109 100644
--- a/Documentation~/zh/changelog.md
+++ b/Documentation~/zh/changelog.md
@@ -80,6 +80,9 @@ slug: /changelog
 
 ## master
 
+* (2025.03.18) 增加`LabelStyle`的`fixedX`和`fixedY`可固定label的坐标
+* (2025.03.17) 增加`ItemStyle`的`backgroundGap`可设置数据项背景间隙
+
 ## v3.14.0
 
 版本要点：
diff --git a/Editor/ChildComponents/LabelStyleDrawer.cs b/Editor/ChildComponents/LabelStyleDrawer.cs
index 359da59d..a6b760f3 100644
--- a/Editor/ChildComponents/LabelStyleDrawer.cs
+++ b/Editor/ChildComponents/LabelStyleDrawer.cs
@@ -24,6 +24,8 @@ namespace XCharts.Editor
                 PropertyField(prop, "m_Rotate");
                 PropertyField(prop, "m_Width");
                 PropertyField(prop, "m_Height");
+                PropertyField(prop, "m_FixedX");
+                PropertyField(prop, "m_FixedY");
                 PropertyField(prop, "m_Icon");
                 PropertyField(prop, "m_Background");
                 PropertyField(prop, "m_TextStyle");
diff --git a/Runtime/Component/Axis/AxisHelper.cs b/Runtime/Component/Axis/AxisHelper.cs
index 03fe5fdb..6131828a 100644
--- a/Runtime/Component/Axis/AxisHelper.cs
+++ b/Runtime/Component/Axis/AxisHelper.cs
@@ -536,9 +536,9 @@ namespace XCharts.Runtime
         /// <param name="scaleWidth"></param>
         /// <param name="value"></param>
         /// <returns></returns>
-        public static float GetAxisValueLength(GridCoord grid, Axis axis, float scaleWidth, double value)
+        public static float GetAxisValueLength(GridCoord grid, Axis axis, float scaleWidth, double value, float gap = 0)
         {
-            return GetAxisPositionInternal(grid, axis, scaleWidth, value, false, true);
+            return GetAxisPositionInternal(grid, axis, scaleWidth, value, false, true, gap);
         }
 
         /// <summary>
@@ -572,10 +572,11 @@ namespace XCharts.Runtime
             }
         }
 
-        private static float GetAxisPositionInternal(GridCoord grid, Axis axis, float scaleWidth, double value, bool includeGridXY, bool realLength)
+        private static float GetAxisPositionInternal(GridCoord grid, Axis axis, float scaleWidth, double value, bool includeGridXY, bool realLength, float gap = 0)
         {
             var isY = axis is YAxis;
             var gridHeight = isY ? grid.context.height : grid.context.width;
+            gridHeight -= gap;
             var gridXY = isY ? grid.context.y : grid.context.x;
 
             if (axis.IsLog())
diff --git a/Runtime/Component/Label/LabelStyle.cs b/Runtime/Component/Label/LabelStyle.cs
index d6ed4875..247f7a2f 100644
--- a/Runtime/Component/Label/LabelStyle.cs
+++ b/Runtime/Component/Label/LabelStyle.cs
@@ -80,6 +80,8 @@ namespace XCharts.Runtime
         [SerializeField] protected string m_NumericFormatter = "";
         [SerializeField] protected float m_Width = 0;
         [SerializeField] protected float m_Height = 0;
+        [SerializeField][Since("v3.15.0")] protected float m_FixedX = 0;
+        [SerializeField][Since("v3.15.0")] protected float m_FixedY = 0;
 
         [SerializeField] protected IconStyle m_Icon = new IconStyle();
         [SerializeField] protected ImageStyle m_Background = new ImageStyle();
@@ -288,6 +290,24 @@ namespace XCharts.Runtime
             set { if (PropertyUtil.SetStruct(ref m_AutoOffset, value)) SetAllDirty(); }
         }
         /// <summary>
+        /// the fixed x of label. When not 0, it will be fixed on the specified x value.
+        /// ||固定的X值。不为0时，会固定在指定的X值上。
+        /// </summary> 
+        public float fixedX
+        {
+            get { return m_FixedX; }
+            set { if (PropertyUtil.SetStruct(ref m_FixedX, value)) SetComponentDirty(); }
+        }
+        /// <summary>
+        /// the fixed y of label. When not 0, it will be fixed on the specified y value.
+        /// ||固定的Y值。不为0时，会固定在指定的Y值上。
+        /// </summary>
+        public float fixedY
+        {
+            get { return m_FixedY; }
+            set { if (PropertyUtil.SetStruct(ref m_FixedY, value)) SetComponentDirty(); }
+        }
+        /// <summary>
         /// the sytle of background.
         /// ||背景图样式。
         /// </summary>
@@ -375,6 +395,8 @@ namespace XCharts.Runtime
             label.m_Height = m_Height;
             label.m_NumericFormatter = m_NumericFormatter;
             label.m_AutoOffset = m_AutoOffset;
+            label.m_FixedX = m_FixedX;
+            label.m_FixedY = m_FixedY;
             label.m_Icon.Copy(m_Icon);
             label.m_Background.Copy(m_Background);
             label.m_TextPadding = m_TextPadding;
@@ -394,6 +416,8 @@ namespace XCharts.Runtime
             m_Height = label.m_Height;
             m_NumericFormatter = label.m_NumericFormatter;
             m_AutoOffset = label.m_AutoOffset;
+            m_FixedX = label.m_FixedX;
+            m_FixedY = label.m_FixedY;
             m_Icon.Copy(label.m_Icon);
             m_Background.Copy(label.m_Background);
             m_TextPadding = label.m_TextPadding;
diff --git a/Runtime/Serie/SerieHandler.cs b/Runtime/Serie/SerieHandler.cs
index 4d65f8fe..4d48299b 100644
--- a/Runtime/Serie/SerieHandler.cs
+++ b/Runtime/Serie/SerieHandler.cs
@@ -610,6 +610,8 @@ namespace XCharts.Runtime
         protected Vector3 UpdateLabelPosition(SerieData serieData, LabelStyle currLabel)
         {
             var labelPosition = GetSerieDataLabelPosition(serieData, currLabel);
+            if(currLabel.fixedX != 0) labelPosition.x = currLabel.fixedX;
+            if(currLabel.fixedY != 0) labelPosition.y = currLabel.fixedY;
             var offset = GetSerieDataLabelOffset(serieData, currLabel);
             serieData.labelObject.SetPosition(labelPosition + offset);
             if (currLabel.autoRotate && serieData.context.angle != 0)