diff --git a/Runtime/Component/Tooltip/TooltipHandler.cs b/Runtime/Component/Tooltip/TooltipHandler.cs
index bfdd627b..2c2bb639 100644
--- a/Runtime/Component/Tooltip/TooltipHandler.cs
+++ b/Runtime/Component/Tooltip/TooltipHandler.cs
@@ -562,7 +562,7 @@ namespace XCharts.Runtime
                                 break;
                             Vector2 sp = new Vector2(pX, grid.context.y);
                             Vector2 ep = new Vector2(pX, grid.context.y + grid.context.height);
-                            var lineColor = TooltipHelper.GetLineColor(tooltip, chart.theme);
+                            var lineColor = TooltipHelper.GetLineColor(tooltip, chart.theme.tooltip.lineColor);
                             ChartDrawer.DrawLineStyle(vh, lineType, lineWidth, sp, ep, lineColor);
                             if (tooltip.type == Tooltip.Type.Corss)
                             {
@@ -584,7 +584,8 @@ namespace XCharts.Runtime
                                 Vector3 p2 = new Vector3(pX, pY);
                                 Vector3 p3 = new Vector3(pX + tooltipSplitWid, pY);
                                 Vector3 p4 = new Vector3(pX + tooltipSplitWid, grid.context.y);
-                                UGL.DrawQuadrilateral(vh, p1, p2, p3, p4, chart.theme.tooltip.areaColor);
+                                var areaColor = TooltipHelper.GetLineColor(tooltip, chart.theme.tooltip.areaColor);
+                                UGL.DrawQuadrilateral(vh, p1, p2, p3, p4, areaColor);
                             }
                             break;
                     }
@@ -625,7 +626,7 @@ namespace XCharts.Runtime
                                 break;
                             Vector2 sp = new Vector2(grid.context.x, pY);
                             Vector2 ep = new Vector2(grid.context.x + grid.context.width, pY);
-                            var lineColor = TooltipHelper.GetLineColor(tooltip, chart.theme);
+                            var lineColor = TooltipHelper.GetLineColor(tooltip, chart.theme.tooltip.lineColor);
                             ChartDrawer.DrawLineStyle(vh, lineType, lineWidth, sp, ep, lineColor);
                             if (tooltip.type == Tooltip.Type.Corss)
                             {
@@ -660,7 +661,7 @@ namespace XCharts.Runtime
             if (tooltip.context.angle < 0) return;
             var theme = chart.theme;
             var m_AngleAxis = ComponentHelper.GetAngleAxis(chart.components, m_Polar.index);
-            var lineColor = TooltipHelper.GetLineColor(tooltip, theme);
+            var lineColor = TooltipHelper.GetLineColor(tooltip, theme.tooltip.lineColor);
             var lineType = tooltip.lineStyle.GetType(theme.tooltip.lineType);
             var lineWidth = tooltip.lineStyle.GetWidth(theme.tooltip.lineWidth);
             var cenPos = m_Polar.context.center;
diff --git a/Runtime/Component/Tooltip/TooltipHelper.cs b/Runtime/Component/Tooltip/TooltipHelper.cs
index 8f9d729d..eeae3318 100644
--- a/Runtime/Component/Tooltip/TooltipHelper.cs
+++ b/Runtime/Component/Tooltip/TooltipHelper.cs
@@ -87,7 +87,7 @@ namespace XCharts.Runtime
             else return tooltip.numericFormatter;
         }
 
-        public static Color32 GetLineColor(Tooltip tooltip, ThemeStyle theme)
+        public static Color32 GetLineColor(Tooltip tooltip, Color32 defaultColor)
         {
             var lineStyle = tooltip.lineStyle;
             if (!ChartHelper.IsClearColor(lineStyle.color))
@@ -96,7 +96,7 @@ namespace XCharts.Runtime
             }
             else
             {
-                var color = theme.tooltip.lineColor;
+                var color = defaultColor;
                 ChartHelper.SetColorOpacity(ref color, lineStyle.opacity);
                 return color;
             }