diff --git a/src/Obj/Base/FlowLine/index.js b/src/Obj/Base/FlowLine/index.js
index c631284..9e15936 100644
--- a/src/Obj/Base/FlowLine/index.js
+++ b/src/Obj/Base/FlowLine/index.js
@@ -141,7 +141,7 @@ class FlowLine extends Base {
         parent: celiangEntity,
         polyline: {
           positions: [start, end],
-          width: 2,
+          width: that.options.width,
           // material:Cesium.Color.RED
           material: new Cesium.FlowLineMaterialProperty({
             color: that.options.color,