diff --git a/Runtime/Component/Axis/Axis.cs b/Runtime/Component/Axis/Axis.cs
index c3e24d24..18928a63 100644
--- a/Runtime/Component/Axis/Axis.cs
+++ b/Runtime/Component/Axis/Axis.cs
@@ -115,13 +115,13 @@ namespace XCharts.Runtime
 
         public AxisContext context = new AxisContext();
 
-        private Action<Vector3, int, string> m_OnLabelClick;
+        private Action<int, string> m_OnLabelClick;
         /// <summary>
-        /// Callback function when click on the label. Parameters: clickPos, labelIndex, labelName.
-        /// ||点击文本标签回调函数。参数：clickPos, labelIndex, labelName。
+        /// Callback function when click on the label. Parameters: labelIndex, labelName.
+        /// ||点击文本标签回调函数。参数：labelIndex, labelName。
         /// </summary>
         [Since("v3.15.0")]
-        public Action<Vector3, int, string> onLabelClick { internal get { return m_OnLabelClick; } set { m_OnLabelClick = value; } }
+        public Action<int, string> onLabelClick { internal get { return m_OnLabelClick; } set { m_OnLabelClick = value; } }
         /// <summary>
         /// Whether to show axis.
         /// ||是否显示坐标轴。
diff --git a/Runtime/Component/Axis/AxisHandler.cs b/Runtime/Component/Axis/AxisHandler.cs
index 117afdda..bb328ff9 100644
--- a/Runtime/Component/Axis/AxisHandler.cs
+++ b/Runtime/Component/Axis/AxisHandler.cs
@@ -43,7 +43,7 @@ namespace XCharts
                 if (label == null) continue;
                 if (label.InRect(chart.pointerPos))
                 {
-                    component.onLabelClick.Invoke(chart.pointerPos, i, label.text.text.text);
+                    component.onLabelClick.Invoke(i, label.text.text.text);
                     break;
                 }
             }