diff --git a/CHANGELOG-EN.md b/CHANGELOG-EN.md
index 5494e09e..625b0d66 100644
--- a/CHANGELOG-EN.md
+++ b/CHANGELOG-EN.md
@@ -39,6 +39,7 @@
 
 ## master
 
+* (2021.08.25) Fixed an issue where the theme switch could not be save to the scene (#166)
 * (2021.08.24) Added `Animation`'s `alongWithLinePath`
 * (2021.08.22) Added `Serie`'s `ignoreLineBreak` (#164)
 * (2021.08.22) Fixed `Axis` label may not be updated when `DataZoom` is turn on (#164)
diff --git a/CHANGELOG.md b/CHANGELOG.md
index efc04c20..3850f33e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -39,6 +39,7 @@
 
 ## master
 
+* (2021.08.25) 修复`Theme`主题切换无法保持到场景上的问题 (#166)
 * (2021.08.24) 增加`Animation`的`alongWithLinePath`参数设置折线轨迹匀速动画
 * (2021.08.22) 增加`Serie`的`ignoreLineBreak`参数设置忽略数据连线是否断开 (#164)
 * (2021.08.22) 修复`Axis`在`DataZoom`开启时`Label`可能不更新的问题 (#164)
diff --git a/Runtime/API/BaseChart_API.cs b/Runtime/API/BaseChart_API.cs
index 507abc8d..b65d42a9 100644
--- a/Runtime/API/BaseChart_API.cs
+++ b/Runtime/API/BaseChart_API.cs
@@ -643,6 +643,9 @@ namespace XCharts
         {
             m_Theme.CopyTheme(theme);
             SetAllComponentDirty();
+#if UNITY_EDITOR
+            UnityEditor.EditorUtility.SetDirty(this);
+#endif
         }
 
         /// <summary>
diff --git a/Runtime/Internal/BaseChart.cs b/Runtime/Internal/BaseChart.cs
index 62ce23d0..b3665378 100644
--- a/Runtime/Internal/BaseChart.cs
+++ b/Runtime/Internal/BaseChart.cs
@@ -224,6 +224,9 @@ namespace XCharts
                 {
                     m_CheckTheme = m_Theme.theme;
                     m_Theme.CopyTheme(m_CheckTheme);
+#if UNITY_EDITOR
+                    UnityEditor.EditorUtility.SetDirty(this);
+#endif
                     SetAllComponentDirty();
                     OnThemeChanged();
                 }