修复PieChart数据全为0时Label无法正常显示的问题

CHANGELOG-EN.md

@@ -34,6 +34,7 @@
 
 ## master
 
+* (2021.05.24) Fixed the problem that `Label` could not display properly when `PieChart` data were all `0`
 * (2021.05.24) Fixed an issue where `Serie Name` was not working on the `Add Serie` panel (#149)
 * (2021.05.23) Added `TextStyle` `wrap` to set whether to wrap lines
 * (2021.05.23) Added` axisLabel `to` autoAlign `whether to set alignment automatically

CHANGELOG.md

@@ -34,6 +34,7 @@
 
 ## master
 
+* (2021.05.24) 修复`PieChart`数据全为`0`时`Label`无法正常显示的问题
 * (2021.05.24) 修复`Add Serie`面板上`Serie Name`不生效的问题 (#149)
 * (2021.05.23) 增加`TextStyle`的`wrap`设置是否自动换行
 * (2021.05.23) 增加`AxisLabel`的`autoAlign`设置是否让系统自动设置对齐方式

Runtime/Internal/DrawSeriePie.cs

@@ -188,6 +188,7 @@ namespace XCharts
                 zeroReplaceValue = totalDegree / data.Count;
                 serie.runtimeDataMax = zeroReplaceValue;
                 serie.runtimePieDataTotal = 360;
+                dataTotalFilterMinAngle = 360;
             }
             else
             {