diff --git a/public/react/src/common/course/WordsBtn.js b/public/react/src/common/course/WordsBtn.js
index 698da6d5f..f4167bb80 100644
--- a/public/react/src/common/course/WordsBtn.js
+++ b/public/react/src/common/course/WordsBtn.js
@@ -8,12 +8,13 @@ class WordsBtn extends Component {
   }
 
   render() {
-    let{to, href,target}=this.props
+    let{to, href,targets}=this.props
     return(
       <React.Fragment>
         {
-          to==undefined ? 
-          <a href={href || "javascript:void(0)"} target={target} onClick={this.props.onClick} className={"btn "+`${map[this.props.style]} ${this.props.className}`}>{this.props.children}</a>
+          to==undefined&&targets==undefined ?
+          <a href={href || "javascript:void(0)"} onClick={this.props.onClick} className={"btn "+`${map[this.props.style]} ${this.props.className}`}>{this.props.children}</a>:
+						target!=undefined? <a href={href || "javascript:void(0)"} target="_blank" onClick={this.props.onClick} className={"btn "+`${map[this.props.style]} ${this.props.className}`}>{this.props.children}</a>
           :
           <Link to={to} className={"btn "+`${map[this.props.style]} ${this.props.className}`}>{this.props.children}</Link>
         }
diff --git a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
index fa3a29542..438c07aeb 100644
--- a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
+++ b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
@@ -1021,6 +1021,7 @@ class Studentshavecompletedthelist extends Component {
 									>--</span>
 									:
 									<a style={{textAlign: "center"}} className="color-blue"
+										 target="_blank"
 										 href={`/courses/${this.props.match.params.coursesId}/exercises/${this.props.match.params.Id}/users/${record.myid}`}>{record.finalscore}</a>
 							}
 
@@ -1211,6 +1212,7 @@ class Studentshavecompletedthelist extends Component {
 									>--</span>
 									:
 									<a style={{textAlign: "center"}} className="color-blue"
+										 target="_blank"
 										 href={`/courses/${this.props.match.params.coursesId}/exercises/${this.props.match.params.Id}/users/${record.myid}`}>{record.finalscore}</a>
 							}
 
diff --git a/public/react/src/modules/courses/poll/PollDetailTabFirst.js b/public/react/src/modules/courses/poll/PollDetailTabFirst.js
index cc1a94bc0..a03328c7a 100644
--- a/public/react/src/modules/courses/poll/PollDetailTabFirst.js
+++ b/public/react/src/modules/courses/poll/PollDetailTabFirst.js
@@ -228,7 +228,7 @@ class PollDetailTabFirst extends Component{
       width:120,
       render:(operation,item,index)=>{
         return(
-          item.status == 1 ? <WordsBtn style="blue" target={"_blank"} to={`/courses/${this.props.match.params.coursesId}/polls/${this.props.match.params.pollId}/users/${item.login}`}>查看</WordsBtn>:<span className="color-grey-9">--</span>
+          item.status == 1 ? <WordsBtn style="blue" targets={"_blank"} to={`/courses/${this.props.match.params.coursesId}/polls/${this.props.match.params.pollId}/users/${item.login}`}>查看</WordsBtn>:<span className="color-grey-9">--</span>
         )
       }
     }];