diff --git a/designer-chart/src/main/java/com/fr/van/chart/designer/component/VanChartTrendLinePane.java b/designer-chart/src/main/java/com/fr/van/chart/designer/component/VanChartTrendLinePane.java
index 8f6d3456f5..eb8bd0f16d 100644
--- a/designer-chart/src/main/java/com/fr/van/chart/designer/component/VanChartTrendLinePane.java
+++ b/designer-chart/src/main/java/com/fr/van/chart/designer/component/VanChartTrendLinePane.java
@@ -35,7 +35,7 @@ public class VanChartTrendLinePane extends BasicPane{
     private static final int PREFERRED_WIDTH = 100;
     private static final double LINE_WIDTH_MIN_VALUE = 0.5;
     private static final double LINE_WIDTH_DIERTA_VALUE = 0.5;
-    private static final double LINE_WIDTH_DEFAULT_VALUE = 2;
+    private static final double LINE_WIDTH_DEFAULT_VALUE = 1;
 
     private UITextField trendLineName;
     private ColorSelectBox trendLineColor;
diff --git a/designer-chart/src/main/java/com/fr/van/chart/designer/style/background/VanChartAlertValuePane.java b/designer-chart/src/main/java/com/fr/van/chart/designer/style/background/VanChartAlertValuePane.java
index 6f88e586ca..85aff83629 100644
--- a/designer-chart/src/main/java/com/fr/van/chart/designer/style/background/VanChartAlertValuePane.java
+++ b/designer-chart/src/main/java/com/fr/van/chart/designer/style/background/VanChartAlertValuePane.java
@@ -47,7 +47,7 @@ public class VanChartAlertValuePane extends BasicBeanPane<VanChartAlertValue> {
     private static final int PREFERRED_WIDTH = 100;
     private static final double LINE_WIDTH_MIN_VALUE = 0.5;
     private static final double LINE_WIDTH_DIERTA_VALUE = 0.5;
-    private static final double LINE_WIDTH_DEFAULT_VALUE = 2;
+    private static final double LINE_WIDTH_DEFAULT_VALUE = 1;
 
     private UIButtonGroup alertAxis;
     protected TinyFormulaPane alertValue;