Merge pull request 'fix issue' (#547) from fix-455 into V20211018

Reviewed-on: https://git.openi.org.cn/OpenI/aiforge/pulls/547
Reviewed-by: lewis <747342561@qq.com>

templates/repo/home.tmpl

@@ -291,7 +291,7 @@
 							{{end}} -->
 							{{range .Topics}}
 
-								<a class="ui repo-topic small label topic" href="{{AppSubUrl}}/explore/repos?q={{.Name}}&topic=1">{{.Name}}</a>
+								<a class="ui repo-topic small label topic" href="{{AppSubUrl}}/explore/repos?q={{.Name}}&topic=">{{.Name}}</a>
 
 
 							{{end}}