diff --git a/controllers/AssignController.php b/controllers/AssignController.php
index cfd61551..03f938f7 100644
--- a/controllers/AssignController.php
+++ b/controllers/AssignController.php
@@ -109,7 +109,7 @@ class AssignController extends Controller {
             Yii::$app->response->format = "json";
             return [
                 "schedule" => Schedule::findOne($post['schedule'])->name,
-                "doors" => implode("<br>", $doors)
+                "doors" => $doors
             ];
         }
     }
diff --git a/helpers/StaffGrid.php b/helpers/StaffGrid.php
index 5ababf11..3ed153b0 100644
--- a/helpers/StaffGrid.php
+++ b/helpers/StaffGrid.php
@@ -86,14 +86,22 @@ class StaffGrid extends CommonGrid {
     public static function doors($array) {
         return function($model) use ($array) {
             $doors = [];
+            $alert = $hidden = "";
             if ($model->door_access) {
                 $ls = json_decode($model->door_access, true);
                 foreach ($ls as $key => $value) {
                     if (isset($array[$value]))
                         $doors[] = $array[$value];
                 }
+                if (count($ls) <= 2) {
+                    $alert = "<div id='short-{$model->id}'>" . implode("<br>", $doors) . "</div>";
+                } else {
+                    $alert = "<div id='short-{$model->id}'>" . $doors[0] . "<br>" . $doors[1] . "<a href='#' onclick='openDoorList(this, true);return false;' data='{$model->id}'><i class='fa fa-chevron-down'></i> Xem thêm</a></div>";
+                    $hidden = "<div id='full-{$model->id}' class='hidden'>" . implode("<br>", $doors) . "<a href='#' onclick='openDoorList(this, false);return false;' data='{$model->id}'><i class='fa fa-chevron-up'></i> Thu gọn</a></div>";
+                }
+                return $alert . $hidden;
             }
-            return implode("<br>", $doors);
+            return "";
         };
     }
 
diff --git a/nbproject/private/private.xml b/nbproject/private/private.xml
index 0928d03a..cd90a725 100644
--- a/nbproject/private/private.xml
+++ b/nbproject/private/private.xml
@@ -3,9 +3,8 @@
     <editor-bookmarks xmlns="http://www.netbeans.org/ns/editor-bookmarks/2" lastBookmarkId="0"/>
     <open-files xmlns="http://www.netbeans.org/ns/projectui-open-files/2">
         <group>
-            <file>file:/C:/xampp/htdocs/Server_AccessControl/views/device/doors.tpl</file>
-            <file>file:/C:/xampp/htdocs/Server_AccessControl/web/js/device.js</file>
-            <file>file:/C:/xampp/htdocs/Server_AccessControl/controllers/DeviceController.php</file>
+            <file>file:/C:/xampp/htdocs/Server_AccessControl/helpers/StaffGrid.php</file>
+            <file>file:/C:/xampp/htdocs/Server_AccessControl/views/assign/staff.tpl</file>
         </group>
     </open-files>
 </project-private>
diff --git a/web/js/assign.js b/web/js/assign.js
index 9754e4c9..cf799098 100644
--- a/web/js/assign.js
+++ b/web/js/assign.js
@@ -92,8 +92,17 @@ schedule.setSchedule = function (e) {
             notification.success("Đã lưu thông tin", 1000);
             $.each($("input[name='checkbox-staff-schedule']:checked"), function () {
                 if ($(this).val() !== "0") {
-                    $("#schedule-staff-results-" + $(this).val()).html(data.schedule);
-                    $("#schedule-door-results-" + $(this).val()).html(data.doors);
+                    var id = $(this).val();
+                    $("#schedule-staff-results-" + id).html(data.schedule);
+                    var alert = "";
+                    var hidden = "";
+                    if (data.doors.length <= 2) {
+                        alert = "<div id='short-{$model->id}'>" + data.doors.join("<br>") + "</div>";
+                    } else {
+                        alert = "<div id='short-" + id + "'>" + data.doors[0] + "<br>" + data.doors[1] + "<a href='#' onclick='openDoorList(this, true);return false;' data='" + id + "'><i class='fa fa-chevron-down'></i> Xem thêm</a></div>";
+                        hidden = "<div id='full-" + id + "' class='hidden'>" + data.doors.join("<br>") + "<a href='#' onclick='openDoorList(this, false);return false;' data='" + id + "'><i class='fa fa-chevron-up'></i> Thu gọn</a></div>";
+                    }
+                    $("#schedule-door-results-" + id).html(alert + hidden);
                 }
             });
 
@@ -103,4 +112,15 @@ schedule.setSchedule = function (e) {
             common.ajaxError();
         }
     });
-};
\ No newline at end of file
+};
+
+function openDoorList(e, stt) {
+    var id = $(e).attr("data");
+    if (stt) {
+        $("#short-" + id).addClass("hidden");
+        $("#full-" + id).removeClass("hidden");
+    } else {
+        $("#short-" + id).removeClass("hidden");
+        $("#full-" + id).addClass("hidden");
+    }
+}
\ No newline at end of file