fix issue

templates/repo/header.tmpl

@@ -93,7 +93,7 @@
 			<div class="ui tabular stackable menu navbar">
 				{{if .Permission.CanRead $.UnitTypeCode}}
 				<div class="dropdown-menu">
-					<a class="{{if or .PageIsViewCode .PageIsReleaseList .PageIsWiki .PageIsActivity}}active{{end}} item" href="{{.RepoLink}}{{if (ne .BranchName .Repository.DefaultBranch)}}/src/{{.BranchNameSubURL | EscapePound}}{{end}}">
+					<a class="{{if or .PageIsViewCode .PageIsReleaseList .PageIsWiki .PageIsActivity .PageIsViewCode}}active{{end}} item" href="{{.RepoLink}}{{if (ne .BranchName .Repository.DefaultBranch)}}/src/{{.BranchNameSubURL | EscapePound}}{{end}}">
 							<span>{{svg "octicon-code" 16}} {{.i18n.Tr "repo.code"}} <i class="dropdown icon"></i></span>
 					</a>
 					<div class="dropdown-content">