diff --git a/CHANGELOG.md b/CHANGELOG.md
index 64d9a9ef..0f259304 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -54,6 +54,7 @@
 
 ## master
 
+* (2022.07.02) 修复`PieChart`用代码动态创建时`Legend`不正常的问题 (#206)
 * (2022.07.02) 修复`YAxis`的`AxisLabel`设置`onZero`不生效的问题
 * (2022.07.02) 修复`AxisLabel`代码设置`distance`属性后一直刷新的问题
 * (2022.06.30) 修复`Runtime`下代码创建图表时组件无法初始化的问题
diff --git a/Runtime/Component/Axis/AxisHandler.cs b/Runtime/Component/Axis/AxisHandler.cs
index 109fa876..60ea3238 100644
--- a/Runtime/Component/Axis/AxisHandler.cs
+++ b/Runtime/Component/Axis/AxisHandler.cs
@@ -272,7 +272,7 @@ namespace XCharts
                     list.Add(value);
                     value += tick;
 
-                    if (list.Count > 20)
+                    if (list.Count > 100)
                         break;
                 }
                 if (!ChartHelper.IsEquals(axis.context.maxValue, list[list.Count - 1]))
diff --git a/Runtime/Component/Legend/LegendHelper.cs b/Runtime/Component/Legend/LegendHelper.cs
index f51f9cfa..9151d94d 100644
--- a/Runtime/Component/Legend/LegendHelper.cs
+++ b/Runtime/Component/Legend/LegendHelper.cs
@@ -48,7 +48,7 @@ namespace XCharts.Runtime
             var objAnchorMin = new Vector2(0, 1);
             var objAnchorMax = new Vector2(0, 1);
             var objPivot = new Vector2(0, 1);
-            var btnObj = ChartHelper.AddObject(objName, parent, objAnchorMin, objAnchorMax, objPivot, sizeDelta, i);
+            var btnObj = ChartHelper.AddObject(objName, parent, objAnchorMin, objAnchorMax, objPivot, sizeDelta);
             var iconObj = ChartHelper.AddObject("icon", btnObj.transform, anchorMin, anchorMax, pivot, iconSizeDelta);
             var img = ChartHelper.GetOrAddComponent<Image>(btnObj);
             img.color = Color.clear;
diff --git a/Runtime/Internal/BaseChart.Serie.cs b/Runtime/Internal/BaseChart.Serie.cs
index d5c28b8b..8d8c0a5e 100644
--- a/Runtime/Internal/BaseChart.Serie.cs
+++ b/Runtime/Internal/BaseChart.Serie.cs
@@ -100,7 +100,14 @@ namespace XCharts.Runtime
         {
             foreach (var serie in m_Series)
             {
-                if (serie.serieName.Equals(serieName)) return serie;
+                if (string.IsNullOrEmpty(serie.serieName))
+                {
+                    if (string.IsNullOrEmpty(serieName)) return serie;
+                }
+                else if (serie.serieName.Equals(serieName))
+                {
+                    return serie;
+                }
             }
             return null;
         }