Hide subtitle when no papers and always display content.

app/views/admin/e_paper_criterias/emailer.html.erb

@@ -181,11 +181,11 @@
 					<%= t('e_paper.description') %>：
 				</span>
 				<span>
-					<%= paper.description.html_safe %>
 					<% if papers_data.present? %>
+						<%= paper.description.html_safe %>
 						<br>
-						<%= paper.content.html_safe %>
 					<% end %>
+					<%= paper.content.html_safe %>
 				</span>
 			</div>
 		</div>