bug fix~

app/controllers/projects_controller.rb

@@ -179,11 +179,16 @@ class ProjectsController < ApplicationController
     @project_type = params[:project_type]
     @school_id = params[:school_id]
     per_page_option = 10
-
+    if @school_id == "0" or @school.nil?
+      @projects_all = Project.active.visible.
+                        joins("LEFT JOIN #{ProjectStatus.table_name} ON #{Project.table_name}.id = #{ProjectStatus.table_name}.project_id").
+                        where("#{Project.table_name}.project_type = ? ", Project::ProjectType_course)    
+    else
       @projects_all = Project.active.visible.
                         joins("LEFT JOIN #{ProjectStatus.table_name} ON #{Project.table_name}.id = #{ProjectStatus.table_name}.project_id").
                         joins(:course_extra).
                         where("#{Project.table_name}.project_type = ?  AND #{Course.table_name}.school_id = ?", Project::ProjectType_course, @school_id)
+    end
 
     @project_count = @projects_all.count
     @project_pages = Paginator.new @project_count, per_page_option, params['page']

app/views/welcome/course.html.erb

@@ -100,6 +100,8 @@
 	<div class="welcome_left" >
 			<span class="font_welcome_trustie">
 				<% if params[:school_id].nil? and User.current.user_extensions.school.nil? %>
+				<% else%>
+					<% if params[:school_id] == "0" %>
 					<% else %>
 						<% if params[:school_id].nil? %>
 							<%= School.find(User.current.user_extensions.school.id).name %>
@@ -109,6 +111,7 @@
 							<br />
 						<% end %>
 					<% end %>
+				<% end %>
 				<%= l(:label_welcome_trustie) %><%= l(:label_welcome_trustie_course) %> </span><span class="font_welcome_tdescription">, <%= l(:label_welcome_trustie_course_description) %></span>
 	</div>
 	<div class="search-bar">