From dd27974d071ccdaccec5aa51c4c82940c1fa317e Mon Sep 17 00:00:00 2001
From: DD <liudi08@gmail.com>
Date: Fri, 25 Aug 2017 14:00:30 -0400
Subject: [PATCH] clean up in deactivate

---
 src/containers/line-mode.jsx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/containers/line-mode.jsx b/src/containers/line-mode.jsx
index 9b61546c..1a84c394 100644
--- a/src/containers/line-mode.jsx
+++ b/src/containers/line-mode.jsx
@@ -250,6 +250,9 @@ class LineMode extends React.Component {
     }
     deactivateTool () {
         this.props.canvas.removeEventListener('mousewheel', this.onScroll);
+        this.tool.remove();
+        this.tool = null;
+        this.hitResult = null;
         if (this.path) {
             this.path.setSelected(false);
             this.path = null;