feat: 剑鱼学堂精选文库下载次数显示逻辑调整

Signed-off-by: tangshizhe <48740614+tangshizhe@users.noreply.github.com>

src/web/templates/site/page/jySchool/index.html

@@ -115,7 +115,11 @@
               <div class="doc-title" title="{{$v.docName}}">{{$v.docName}}</div>
               <!-- <div class="doc-tag yellow">法律法规</div> -->
               <div class="doc-desc">
+                {{ if $v.downTimes }}
                 <span>{{$v.downTimes}}次下载</span>
+                {{else}}
+                <span>0次下载</span>
+                {{ end}}
                 <span>共{{$v.docPageSize}}页</span>
                 <span class="file-size">{{$v.docFileSize}}</span>
               </div>