From 47b544df4e8f333f33ee7429ea9c4ae6e52cc6ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E6=A0=91=E6=9E=97?= <904079904@qq.com>
Date: Wed, 11 Mar 2020 21:12:20 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4?=
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---
 .../modules/courses/exercise/Studentshavecompletedthelist.js  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
index 3b46b680a..c3d4bf465 100644
--- a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
+++ b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
@@ -1272,7 +1272,11 @@ class Studentshavecompletedthelist extends Component {
 		//被columnsys当作参数接收
 		// console.log("componentDidMount");
 		// console.log(columnsystwo);
+		try {
 			columnsystwo=this.state.columnsys;
+		}catch (e) {
+
+		}
    // console.log(columnsystwo);
 		this.Teacherliststudentlist();