diff --git a/Assets/XCharts/CHANGELOG-EN.md b/Assets/XCharts/CHANGELOG-EN.md
index 524997e1..092db02d 100644
--- a/Assets/XCharts/CHANGELOG-EN.md
+++ b/Assets/XCharts/CHANGELOG-EN.md
@@ -1,6 +1,7 @@
 
 # 更新日志
 
+* (2020.07.25) Fixed problem with gradual discoloration on `LiquidChart` at `100%`#80
 * (2020.07.25) Added `RadarChart` support for `formatter` of `Tooltip`#77
 * (2020.07.23) Added `RingChart` ring gradient support#75
 * (2020.07.21) Added `formatter` of `AxisLabel` and `SerieLabel` to configure numeric formatting separately.
diff --git a/Assets/XCharts/CHANGELOG.md b/Assets/XCharts/CHANGELOG.md
index 31a31437..76e2e138 100644
--- a/Assets/XCharts/CHANGELOG.md
+++ b/Assets/XCharts/CHANGELOG.md
@@ -1,6 +1,7 @@
 
 # 更新日志
 
+* (2020.07.25) 修复`LiquidChart`在`100%`时渐变色会失效的问题#80
 * (2020.07.25) 增加`RadarChart`对`Tooltip`的`formatter`支持#77
 * (2020.07.23) 增加`RingChart`环形渐变支持#75
 * (2020.07.21) 增加`AxisLabel`和`SerieLabel`的`formatter`可单独配置数值格式化#68
diff --git a/Assets/XCharts/Runtime/LiquidChart.cs b/Assets/XCharts/Runtime/LiquidChart.cs
index 2bec8f9a..66b0d2fa 100644
--- a/Assets/XCharts/Runtime/LiquidChart.cs
+++ b/Assets/XCharts/Runtime/LiquidChart.cs
@@ -169,8 +169,10 @@ namespace XCharts
 
             var color = SerieHelper.GetItemColor(serie, serieData, m_ThemeInfo, colorIndex, false);
             var toColor = SerieHelper.GetItemToColor(serie, serieData, m_ThemeInfo, colorIndex, false);
-
-            if (hig >= 2 * radius)
+            var isNeedGradient = !ChartHelper.IsValueEqualsColor(color, toColor);
+            var isFull = hig >= 2 * radius;
+            if (hig >= 2 * radius) hig = 2 * radius;
+            if (isFull && !isNeedGradient)
             {
                 ChartDrawer.DrawCricle(vh, cenPos, radius, toColor, m_Settings.cicleSmoothness);
             }
@@ -238,7 +240,7 @@ namespace XCharts
                 }
             }
 
-            if (serie.waveSpeed != 0 && Application.isPlaying)
+            if (serie.waveSpeed != 0 && Application.isPlaying && !isFull)
             {
                 RefreshChart();
             }