修改

public/resource/js/user.js

@@ -35,11 +35,13 @@ define(['doT', 'text!temp/user_template_tpl.html', 'ckfinder', 'ckfinderStart',
             }(jQuery));
            	
 			$(".form_datetime").datetimepicker({
-				format: 'yyyy-mm-dd hh:ii:ss',
+				//format: 'yyyy-mm-dd hh:ii:ss',
+				format: 'yyyy-mm-dd hh:ii:00',
 		        autoclose: true,
 		        language: 'zh-CN',
 		        minView: 0,
-		        minuteStep: 1
+		        minuteStep: 30
+		        //hourStep: 1
 			});
 		},
 		event: function() {