diff --git a/Assets/XCharts/CHANGELOG.md b/Assets/XCharts/CHANGELOG.md
index d13c6bb6..30b17420 100644
--- a/Assets/XCharts/CHANGELOG.md
+++ b/Assets/XCharts/CHANGELOG.md
@@ -1,6 +1,7 @@
 
 # 更新日志
 
+* (2020.04.16) 修复`PieChart`在设置`Space`参数后动画绘制异常的问题
 * (2020.04.11) 发布`v1.4.0`版本
 * (2020.04.11) 增加`Check warning`检测功能
 * (2020.04.09) 修复`Legend`初始化异常的问题
diff --git a/Assets/XCharts/Runtime/Utility/ChartDrawer.cs b/Assets/XCharts/Runtime/Utility/ChartDrawer.cs
index d6d0a4ac..41d15bf2 100644
--- a/Assets/XCharts/Runtime/Utility/ChartDrawer.cs
+++ b/Assets/XCharts/Runtime/Utility/ChartDrawer.cs
@@ -646,6 +646,7 @@ namespace XCharts
                     spaceAngle = 2 * Mathf.Asin(space / (2 * radius));
                     realStartAngle = startAngle + spaceAngle;
                     realToAngle = toAngle - spaceAngle;
+                    if (realToAngle < realStartAngle) realToAngle = realStartAngle;
                     p2 = GetPos(p, radius, realStartAngle);
                 }
                 if (needBorder)
@@ -659,6 +660,7 @@ namespace XCharts
                     p2 = borderX1;
 
                     realToAngle = realToAngle - borderAngle;
+                    if (realToAngle < realStartAngle) realToAngle = realStartAngle;
                     var borderX2 = GetPos(p, radius, realToAngle);
                     var pEnd = GetPos(p, radius, toAngle - spaceAngle);
                     DrawPolygon(vh, realCenter, borderX2, pEnd, spaceCenter, borderColor);
@@ -768,7 +770,7 @@ namespace XCharts
             var needBorder = borderWidth != 0;
             var needSpace = space != 0;
             var diffAngle = Mathf.Abs(toDegree - startDegree) * Mathf.Deg2Rad;
-            
+
             int segments = (int)((2 * Mathf.PI * outsideRadius) * (diffAngle * Mathf.Rad2Deg / 360) / smoothness);
             float startAngle = startDegree * Mathf.Deg2Rad;
             float toAngle = toDegree * Mathf.Deg2Rad;