diff --git a/src/Obj/Base/FlowLine/index.js b/src/Obj/Base/FlowLine/index.js
index 9e15936..2e82e73 100644
--- a/src/Obj/Base/FlowLine/index.js
+++ b/src/Obj/Base/FlowLine/index.js
@@ -215,6 +215,17 @@ class FlowLine extends Base {
       this.getLine(this, this.positions)
     }
   }
+  get show() {
+    return this.options.show
+  }
+
+  set show(v) {
+    this.options.show = v
+    let entity = this.viewer.entities.getById(this.options.id)
+    if (entity) {
+      entity.show = v
+    }
+  }
 
   get heightDifference() {
     return this.options.heightDifference