空白试卷打开pdf

public/react/src/modules/courses/exercise/Testpapersettinghomepage.js

@@ -163,7 +163,7 @@ class Testpapersettinghomepage extends Component{
 		}
 
 	}
-    //打开pdf 
+    //打开pdf
 	 confpdf = (url) =>{
 		 window.open(url);
 	 }