update

 var tipMessage = $('#tipMessage').html();
 var activityID = $('#activityID').html();
+var activityCode;
+var checkCode;
 $('#phone').bind('input propertychange', function() {
 	if ($(this).val().length === 11) {
 		$('.input-content div').eq('0').addClass('verification-code');
@@ -46,14 +48,15 @@ function getQueryStr(key){
 	var str = svalue ? svalue[1] : svalue;
 	return str == null ? "" : str;
 }
-$(function() {
 
-	var activityCode = getQueryStr("code");
-	if (activityCode == ""){
-		activityCode = getQueryStr("union_type");
-	}
+activityCode = getQueryStr("code");
+if (activityCode == ""){
+	activityCode = getQueryStr("union_type");
+}
 
-	var checkCode = getQueryStr("checkCode");
+checkCode = getQueryStr("checkCode");
+
+$(function() {
 
 	$("#phone").val("");