diff --git a/public/react/src/modules/tpm/shixunchild/Challenges/Challenges.js b/public/react/src/modules/tpm/shixunchild/Challenges/Challenges.js
index 640562f5e..5aa95f4a1 100644
--- a/public/react/src/modules/tpm/shixunchild/Challenges/Challenges.js
+++ b/public/react/src/modules/tpm/shixunchild/Challenges/Challenges.js
@@ -526,7 +526,7 @@ class Challenges extends Component {
                   </style>:""}
 
 
-                <div className="justify break_full_word new_li "
+                <div className="justify break_full_word new_li"
                      id="challenge_editorMd_description">
                   {ChallengesDataList === undefined || ChallengesDataList&&ChallengesDataList.description=== ""||ChallengesDataList&&ChallengesDataList.description===null||ChallengesDataList&&ChallengesDataList.description===undefined?
                     <div className="edu-tab-con-box clearfix edu-txt-center">
@@ -535,7 +535,7 @@ class Challenges extends Component {
                                                                                                                   src={getImageUrl("images/educoder/nodata.png")} />}
                       <p className="edu-nodata-p mb80">暂时还没有相关数据哦！</p>
                     </div>
-                    :<p id="ReactMarkdown" style={{overflow:'hidden'}}>
+                    :<p className={"markdown-body"} style={{overflow:'hidden'}}>
                     {ChallengesDataList === undefined ? "" :ChallengesDataList&&ChallengesDataList.description===null?"":
                       <div className={"markdown-body"} dangerouslySetInnerHTML={{__html: markdownToHTML(ChallengesDataList.description).replace(/▁/g,"▁▁▁")}}></div>
                     }
@@ -745,7 +745,7 @@ class Challenges extends Component {
                         </div>
 
                         <div className="challengtes_Item">
-                          <div className="flex1 width0">   
+                          <div className="flex1 width0">
                             <div className="clearfix mb5">
                               {/*onClick={() => this.EditTraining(this.props.identity, item.challenge_id, "/editquestion")}*/}
                               {this.props.identity<5?
@@ -758,7 +758,7 @@ class Challenges extends Component {
                               }
                               {/* onClick={() => this.EditTraining(this.props.identity, item.challenge_id, "/editcheckpoint")}*/}
 
-                              
+
 
                             </div>
                             <div className="clearfix">
@@ -779,11 +779,11 @@ class Challenges extends Component {
                           </div>
                           {
                             item.open_game ?
-                            <a onClick={()=>this.beginChallenge(item.open_game)} className="challengeBtn blue">开启挑战</a>   
+                            <a onClick={()=>this.beginChallenge(item.open_game)} className="challengeBtn blue">开启挑战</a>
                             :
-                            <span className="challengeBtn">开启挑战</span>   
+                            <span className="challengeBtn">开启挑战</span>
                           }
-                        </div> 
+                        </div>
                       </div>
                     )
                   })}
diff --git a/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js b/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js
index 9e50e44d5..21b935edd 100644
--- a/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js
+++ b/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js
@@ -613,7 +613,7 @@ class Challengesjupyter extends Component {
 								</style>:""}
 
 							<div className={"pd20"} id={"shixunchallengesid"}>
-								<p id="ReactMarkdown" style={{overflow:'hidden'}}>
+								<p  style={{overflow:'hidden'}}>
 									{/*{ChallengesDataList === undefined ? "" :ChallengesDataList&&ChallengesDataList.description===null?"":*/}
 									{/*	<div className={"markdown-body"} dangerouslySetInnerHTML={{__html: markdownToHTML(ChallengesDataList.description).replace(/▁/g,"▁▁▁")}}></div>*/}
 									{/*}*/}
@@ -625,7 +625,7 @@ class Challengesjupyter extends Component {
 																																																									src={getImageUrl("images/educoder/nodata.png")} />}
 											<p className="edu-nodata-p mb80">暂时还没有相关数据哦！</p>
 										</div>
-										:<p id="ReactMarkdown" style={{overflow:'hidden'}}>
+										:<p className={"markdown-body"} style={{overflow:'hidden'}}>
 											{ChallengesDataList === undefined ? "" :ChallengesDataList&&ChallengesDataList.description===null?"":
 												<div className={"markdown-body"} dangerouslySetInnerHTML={{__html: markdownToHTML(ChallengesDataList.description).replace(/▁/g,"▁▁▁")}}></div>
 											}