diff --git a/app/assets/javascripts/calendar_widget.js b/app/assets/javascripts/calendar_widget.js
index 0f7c18c..c2de600 100644
--- a/app/assets/javascripts/calendar_widget.js
+++ b/app/assets/javascripts/calendar_widget.js
@@ -293,11 +293,12 @@
     }
     function toggle_event(ele,type){
       $(ele).parents('.month_template').find('td').removeClass('w-calendar-toggle')
+      var toggle_month
       if ($(ele).length==1){
         $(ele).addClass('w-calendar-toggle')
         toggle_data = $(ele).data('date-node')
+        toggle_month = $(ele).data('date-node').split('-')[1]
       }
-      var toggle_month = $(ele).data('date-node').split('-')[1]
       if (toggle_month==month || $(ele).length!=1){
         if (type=='show'){
           show_event($(ele).data('date-node'),ele)
diff --git a/app/assets/javascripts/calendar_widget2.js b/app/assets/javascripts/calendar_widget2.js
index 2442ca4..dbd0c75 100644
--- a/app/assets/javascripts/calendar_widget2.js
+++ b/app/assets/javascripts/calendar_widget2.js
@@ -432,11 +432,12 @@
     }
     function toggle_event(ele,type){
       $(ele).parents('.month_template').find('td').removeClass('w-calendar-toggle')
+      var toggle_month
       if ($(ele).length==1){
         $(ele).addClass('w-calendar-toggle')
         toggle_data = $(ele).data('date-node')
+        toggle_month = $(ele).data('date-node').split('-')[1]
       }
-      var toggle_month = $(ele).data('date-node').split('-')[1]
       if (toggle_month==month || $(ele).length!=1){
         if (type=='show'){
           show_event($(ele).data('date-node'),ele)