From d9a0f6f7f24989f239b6c4843cad3decdf91f241 Mon Sep 17 00:00:00 2001
From: monitor1394 <monitor1394@gmail.com>
Date: Sat, 4 Dec 2021 14:12:34 +0800
Subject: [PATCH] optimize emptyRect symbol

---
 Runtime/Internal/Utility/ChartDrawer.cs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Runtime/Internal/Utility/ChartDrawer.cs b/Runtime/Internal/Utility/ChartDrawer.cs
index 21b79ffe..7075ab5f 100644
--- a/Runtime/Internal/Utility/ChartDrawer.cs
+++ b/Runtime/Internal/Utility/ChartDrawer.cs
@@ -60,8 +60,7 @@ namespace XCharts
                     if (gap > 0)
                     {
                         UGL.DrawSquare(vh, pos, symbolSize + gap, backgroundColor);
-                        UGL.DrawSquare(vh, pos, symbolSize, color, toColor);
-                        UGL.DrawSquare(vh, pos, symbolSize - tickness, centerFillColor, centerFillColor);
+                        UGL.DrawBorder(vh, pos, symbolSize / 2, symbolSize / 2, tickness, color);
                     }
                     else
                     {