diff --git a/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js b/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js
index a33bb203e..7be68d6dc 100644
--- a/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js
+++ b/public/react/src/modules/tpm/shixunchild/Challenges/Challengesjupyter.js
@@ -424,7 +424,18 @@ class Challengesjupyter extends Component {
 		};
 		return (
 			<React.Fragment>
-				<div className="">
+				<div >
+					<style>
+						{
+						`
+						.ant-notification{
+						
+						    position: fixed;
+                z-index: 3000;
+						}
+						`
+						}
+					</style>
 					<p className="clearfix mb20 edu-back-white">
 						<div className={"shixunjianjie"}>
 							<span className="font-16 fl">简介</span>
diff --git a/public/react/src/modules/tpm/shixunchild/shixunchildCss/Challenges.css b/public/react/src/modules/tpm/shixunchild/shixunchildCss/Challenges.css
index 6b055be56..f4f68cdba 100644
--- a/public/react/src/modules/tpm/shixunchild/shixunchildCss/Challenges.css
+++ b/public/react/src/modules/tpm/shixunchild/shixunchildCss/Challenges.css
@@ -198,7 +198,7 @@
     position: fixed;
     top: 0px;
     left: 0px;
-    z-index: 999999;
+    z-index: 2800;
     right: 0px;
 }
 
@@ -210,7 +210,7 @@
     margin-top: 63px;
     bottom: 0px;
     left: 0px;
-    z-index: 999999;
+    z-index: 2800;
     right: 0px;
 }