diff --git a/Mastodon/Scene/Search/Search/View/LineChartView.swift b/Mastodon/Scene/Search/Search/View/LineChartView.swift
index 51164034..2fb8ac73 100644
--- a/Mastodon/Scene/Search/Search/View/LineChartView.swift
+++ b/Mastodon/Scene/Search/Search/View/LineChartView.swift
@@ -94,14 +94,11 @@ extension LineChartView {
         if let last = points.last {
             dotPath.addArc(withCenter: last, radius: 3, startAngle: 0, endAngle: 2 * .pi, clockwise: true)
         }
-        
-        // this not works
-        // linePath.lineJoinStyle = .round
-        // lineShapeLayer.lineJoin = .round
-        
+
         lineShapeLayer.lineWidth = 3
         lineShapeLayer.strokeColor = Asset.Colors.brandBlue.color.cgColor
         lineShapeLayer.fillColor = UIColor.clear.cgColor
+        lineShapeLayer.lineJoin = .round
         lineShapeLayer.lineCap = .round
         lineShapeLayer.path = linePath.cgPath
         
diff --git a/Mastodon/Vender/CurveAlgorithm.swift b/Mastodon/Vender/CurveAlgorithm.swift
index 00db0604..0ca4c873 100644
--- a/Mastodon/Vender/CurveAlgorithm.swift
+++ b/Mastodon/Vender/CurveAlgorithm.swift
@@ -16,7 +16,7 @@ class CurveAlgorithm {
     private func controlPointsFrom(points: [CGPoint]) -> [CurvedSegment] {
         var result: [CurvedSegment] = []
         
-        let delta: CGFloat = 0.4
+        let delta: CGFloat = 0.2
         
         // only use horizontal control point
         for i in 1..<points.count {