update

app/controllers/home_controller.rb

@@ -1,7 +1,8 @@
 class HomeController < ApplicationController
   def index
     config = get_conf
-    @current_dir = config["project_path"]
+#    @current_dir = config["project_path"]
+    @current_dir = `~`
     file_directory(@current_dir)
   end
 end

app/views/home/index.html.erb

@@ -108,7 +108,7 @@
                   <tbody id="tbody_volume1">
                     <tr>
                       <td><i class="fa fa-reply"></i> 
-                         <a onclick="change_upper('<%=@current_dir%>')">  ..</a>
+                         <a onclick="change_upper('<%=@current_dir%>')"> ..</a>
                       </td>
                       <td></td>
                       <td></td>
@@ -118,7 +118,7 @@
                       <tr>
                         <% if t["auth"][0]=='d'%> 
                          <td style="color:#0d8ade;"><i class="fa fa-folder-open-o"></i> 
-                           <a style="cursor: pointer" onclick="change_directory('<%=@current_dir + "/" + t["name"]%>')"><%=t["name"]%></a>
+                           <a style="cursor: pointer" onclick="change_directory('<%=@current_dir + "/" + t["name"]%>')"> <%=t["name"]%></a>
                           </td>
                         <% else %>
                          <td><i class="fa fa-file-o"></i>