From faa5bc7cd869515c04979e7e8330de1d6f56171e Mon Sep 17 00:00:00 2001
From: monitor1394 <monitor1394@gmail.com>
Date: Wed, 2 Nov 2022 07:20:00 +0800
Subject: [PATCH] check null

---
 Runtime/Component/Axis/RadiusAxis/RadiusAxisHandler.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Runtime/Component/Axis/RadiusAxis/RadiusAxisHandler.cs b/Runtime/Component/Axis/RadiusAxis/RadiusAxisHandler.cs
index 60382f55..a72e17c5 100644
--- a/Runtime/Component/Axis/RadiusAxis/RadiusAxisHandler.cs
+++ b/Runtime/Component/Axis/RadiusAxis/RadiusAxisHandler.cs
@@ -26,6 +26,8 @@ namespace XCharts.Runtime
 
         protected override void UpdatePointerValue(Axis axis)
         {
+            if (axis == null)
+                return;
             var polar = chart.GetChartComponent<PolarCoord>(axis.polarIndex);
             if (polar == null)
                 return;
@@ -47,6 +49,7 @@ namespace XCharts.Runtime
 
         private void UpdateAxisMinMaxValue(RadiusAxis axis, bool updateChart = true)
         {
+            if (axis == null) return;
             if (axis.IsCategory() || !axis.show) return;
             double tempMinValue = 0;
             double tempMaxValue = 0;
@@ -70,6 +73,8 @@ namespace XCharts.Runtime
 
         internal void UpdateAxisLabelText(RadiusAxis axis)
         {
+            if (axis == null)
+                return;
             var polar = chart.GetChartComponent<PolarCoord>(axis.polarIndex);
             if (axis.context.labelObjectList.Count <= 0)
                 InitRadiusAxis(axis);
@@ -144,6 +149,9 @@ namespace XCharts.Runtime
 
         private void DrawRadiusAxis(VertexHelper vh, RadiusAxis radiusAxis)
         {
+            if (radiusAxis == null)
+                return;
+
             var polar = chart.GetChartComponent<PolarCoord>(radiusAxis.polarIndex);
             if (polar == null)
                 return;