From f9481eeb19dce16094599129175412d103f1ccd4 Mon Sep 17 00:00:00 2001
From: David Chen <mvjome@gmail.com>
Date: Tue, 11 Sep 2012 10:28:01 +0800
Subject: [PATCH] Fix  Cannot read property env of null

---
 lib/ace/ace.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/ace/ace.js b/lib/ace/ace.js
index c6f087ff..3dd08504 100644
--- a/lib/ace/ace.js
+++ b/lib/ace/ace.js
@@ -65,7 +65,10 @@ exports.config = require("./config");
      **/
 exports.edit = function(el) {
     if (typeof(el) == "string") {
-        el = document.getElementById(el);
+        var _id = el;
+        if (!(el = document.getElementById(el))) {
+          console.log("can't match div #" + _id);
+        }
     }
 
     if (el.env && el.env.editor instanceof Editor)