From 6cd898d2c0836710afc508c29bb22600f30eca0e Mon Sep 17 00:00:00 2001
From: virusdefender <1670873886@qq.com>
Date: Tue, 8 Sep 2015 17:12:45 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=9B=E5=BB=BA=20codeMirror=20=E4=B9=8B?=
 =?UTF-8?q?=E5=89=8D=E5=85=88=E5=88=A4=E6=96=AD=E9=80=89=E6=8B=A9=E5=99=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 static/src/js/app/oj/problem/problem.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/static/src/js/app/oj/problem/problem.js b/static/src/js/app/oj/problem/problem.js
index 1faeb6d..4612a94 100644
--- a/static/src/js/app/oj/problem/problem.js
+++ b/static/src/js/app/oj/problem/problem.js
@@ -1,5 +1,10 @@
 require(["jquery", "codeMirror", "csrfToken", "bsAlert"], function ($, codeMirror, csrfTokenHeader, bsAlert) {
-    var codeEditor = codeMirror($("#code-editor")[0], "text/x-csrc");
+    var codeEditorSelector = $("#code-editor")[0];
+    // 部分界面逻辑会隐藏代码输入框，先判断有没有。
+    if (codeEditorSelector == undefined){
+        return;
+    }
+    var codeEditor = codeMirror(codeEditorSelector, "text/x-csrc");
     var language = $("input[name='language'][checked]").val();
     var submissionId;