增加软件添加方式

css/global.css

@@ -213,6 +213,9 @@
   padding:10px;
   margin: 15px 0;
 }
+.dropdown-wrap{
+  min-width: 0;
+}
 
 .btn-blue {
   color: #fff;

software-install.html

@@ -79,7 +79,12 @@
           <div class="software-left-bottom border-top">
             <div class="d-flex bd-highlight">
               <div class="p-2 flex-fill bd-highlight"><button style="width:100%;" type="button" class="btn btn-primary btn-blue btn-sm">下载软件</button></div>
-              <div class="p-2 flex-fill bd-highlight"><button style="width:100%;" type="button" class="btn btn-primary btn-blue btn-sm">添加软件</button></div>
+              <div class="p-2 flex-fill bd-highlight dropup"><button style="width:100%;" type="button" class="btn btn-primary btn-blue btn-sm dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">添加软件</button>
+                <div class="dropdown-menu dropdown-wrap">
+                  <a class="dropdown-item" href="#">自动获取</a>
+                  <a class="dropdown-item" href="#">手动添加</a>
+                </div>
+              </div>
             </div>
           </div>
         </div>