diff --git a/CHANGELOG-EN.md b/CHANGELOG-EN.md
index d9cd52af..37f63e63 100644
--- a/CHANGELOG-EN.md
+++ b/CHANGELOG-EN.md
@@ -40,6 +40,8 @@
 
 ## master
 
+* (2021.09.06) Fixed bug where `GaugeChart` changing `splitNumber` with code does not refresh `label` #167
+
 ## v2.4.0
 
 ### Main points
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea05a15b..93b96763 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -40,6 +40,8 @@
 
 ## master
 
+* (2021.09.06) 修复`GaugeChart`用代码改变`splitNumber`不会刷新`label`的问题 #167
+
 ## v2.4.0
 
 ### 版本要点
diff --git a/Runtime/Internal/DrawSerieGauge.cs b/Runtime/Internal/DrawSerieGauge.cs
index 55385a02..82a68068 100644
--- a/Runtime/Internal/DrawSerieGauge.cs
+++ b/Runtime/Internal/DrawSerieGauge.cs
@@ -9,6 +9,7 @@ using UnityEngine;
 using UnityEngine.UI;
 using UnityEngine.EventSystems;
 using XUGL;
+using System.Collections.Generic;
 
 namespace XCharts
 {
@@ -20,6 +21,7 @@ namespace XCharts
         private static readonly string s_AxisLabelObjectName = "axis_label";
         private bool m_UpdateTitleText = false;
         private bool m_UpdateLabelText = false;
+        private Dictionary<int, int> m_LastSplitNumber = new Dictionary<int, int>();
 
         public DrawSerieGauge(BaseChart chart)
         {
@@ -61,6 +63,21 @@ namespace XCharts
                     }
                 }
             }
+            foreach (var serie in chart.series.list)
+            {
+                if (serie.type == SerieType.Gauge)
+                {
+                    if (!m_LastSplitNumber.TryGetValue(serie.index, out var lastSplitNumber))
+                    {
+                        m_LastSplitNumber[serie.index] = lastSplitNumber;
+                    }
+                    else if (serie.splitNumber != lastSplitNumber)
+                    {
+                        m_LastSplitNumber[serie.index] = serie.splitNumber;
+                        InitAxisLabel();
+                    }
+                }
+            }
         }
 
         public void DrawBase(VertexHelper vh)