diff --git a/src/app/helpers/jquery.module.js b/src/app/helpers/jquery.module.js
index 2884f2a..ac0020e 100644
--- a/src/app/helpers/jquery.module.js
+++ b/src/app/helpers/jquery.module.js
@@ -114,6 +114,8 @@ define(function(require, exports) {
                         self.data.set("visible", false);
                         // remove all the slots from timetable
                         $grid.find(".slot[id^=" + self.id + "-]").remove();
+                        // refresh timetable
+                        $.publish("grid:refresh");
                     } else {
                         // add slots to timetable
                         $this.removeClass("icon-eye-close").addClass("icon-eye-open");
diff --git a/src/app/views/plannerView.js b/src/app/views/plannerView.js
index b386c54..ef151ff 100644
--- a/src/app/views/plannerView.js
+++ b/src/app/views/plannerView.js
@@ -75,6 +75,15 @@ define(function(require, exports) {
         }
     });
 
+    // refresh all days after some thing on timetable
+    $.subscribe("grid:refresh", function() {
+        var i, len = planner.weekDays.length;
+
+        for (i = 0; i < len; i++) {
+            weekdays[planner.weekDays[i]].compressRows();
+        }
+    });
+
     // allocate a single slot and its section slot
     $.subscribe("grid:module:allocate", function(e, slot, type, mod) {
         _allocateSlot(slot, type, mod);