diff --git a/public/react/src/modules/tpm/shixunchild/Challenges/Challenges.js b/public/react/src/modules/tpm/shixunchild/Challenges/Challenges.js
index 0480c208a..8890efbd2 100644
--- a/public/react/src/modules/tpm/shixunchild/Challenges/Challenges.js
+++ b/public/react/src/modules/tpm/shixunchild/Challenges/Challenges.js
@@ -407,10 +407,10 @@ class Challenges extends Component {
                 <span className="font-16 fl">简介</span>
 
                 {this.props.identity < 5 && ChallengesDataList&&ChallengesDataList.shixun_status < 3 ?
-                  <Link to={"/shixuns/" + id + "/settings"} className="fr color-blue font-14">
+                  <a href={"/shixuns/" + id + "/settings"} className="fr color-blue font-14">
                   {/*<img src={getImageUrl("images/educoder/icon/edit.svg")} className="fl mt3 ml2" />*/}
                   编辑
-                </Link>:""}
+                </a>:""}
                 {this.props.user && this.props.user.main_site === true ?
                   this.props.identity < 5?<a className="fr font-14 color-blue mr20" href="/forums/2943"
                      target="_blank">实训制作指南</a> : "":""}
diff --git a/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js b/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js
index c8cbc2fbc..e04ad17c9 100644
--- a/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js
+++ b/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js
@@ -227,10 +227,10 @@ class Challengesjupyter extends Component {
 						<div className={"shixunjianjie"}>
 							<span className="font-16 fl">简介</span>
 							<Tooltip placement="bottom" title={"编辑"}>
-								<Link style={{ display: this.props.identity < 5 && ChallengesDataList&&ChallengesDataList.shixun_status < 3 ? "block" : 'none' }}
-									 to={"/shixuns/" + id + "/settings?edit=1"} className="fr color-blue font-14">
+								<a style={{ display: this.props.identity < 5 && ChallengesDataList&&ChallengesDataList.shixun_status < 3 ? "block" : 'none' }}
+									 href={"/shixuns/" + id + "/settings?edit=1"} className="fr color-blue font-14">
 									编辑
-								</Link>
+								</a>
 							</Tooltip>
 						</div>
 						{this.state.opentitletype===true?<style>
diff --git a/public/react/src/modules/tpm/shixunchild/Collaborators/Collaborators.js b/public/react/src/modules/tpm/shixunchild/Collaborators/Collaborators.js
index 9799d060c..a5e055e41 100644
--- a/public/react/src/modules/tpm/shixunchild/Collaborators/Collaborators.js
+++ b/public/react/src/modules/tpm/shixunchild/Collaborators/Collaborators.js
@@ -330,6 +330,7 @@ class Collaborators extends Component {
       });
       this.updatacomponentDiddata();
       this.props.showNotification(response.data.message);
+      // window.location.reload();
     }).catch((error) => {
       console.log(error)
     });
@@ -530,7 +531,7 @@ class Collaborators extends Component {
                   {
                     Collaboratorslist.length === 0 ? "" : Collaboratorslist.map((item, key) => {
                       return (
-                        <Radio key={key} style={radioStyle} value={item.user_id}
+                        <Radio key={key} style={radioStyle} value={item.user_id} defaultChecked={false}
                                onClick={() => this.addadminredio(item.user_id)}>{item.name}</Radio>
                       )
                     })