From f6f7c186a2880030f559ed84c33631531d5389eb Mon Sep 17 00:00:00 2001
From: JM <32119686+jiaming743@users.noreply.github.com>
Date: Tue, 14 May 2019 19:44:25 +0800
Subject: [PATCH] Bug Fixes: delGraph - Delete exception.

---
 class/crender.class.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/class/crender.class.js b/class/crender.class.js
index 5de8fca..b756b88 100644
--- a/class/crender.class.js
+++ b/class/crender.class.js
@@ -140,10 +140,10 @@ CRender.prototype.sortGraphsByIndex = function () {
  */
 CRender.prototype.delGraph = function (graph) {
   if (typeof graph.delProcessor !== 'function') return
-  
-  this.graphs = this.graphs.filter(graph => graph)
 
   graph.delProcessor(this)
+  
+  this.graphs = this.graphs.filter(graph => graph)
 
   this.drawAllGraph()
 }