菜单选中图标功能修复，根菜单修改图标

src/main/webapp/WEB-INF/include/left_menu.jsp

@@ -23,7 +23,7 @@
 		     						 href="javascript:;" class="nav-link nav-toggle"> 
 		     					</c:if> 
 		     					
-								<i class="${secondMenu.icon }"></i> 
+								<i class="fa fa-${secondMenu.icon }"></i> 
 								<span class="title"> 
 								<%-- ${secondMenu.name } --%> <spring:message code="${secondMenu.code}"></spring:message></span>
 								<c:if test="${not empty secondMenu.children }" var="secondClid">