diff --git a/apps/ops/templates/ops/celery_task_log.html b/apps/ops/templates/ops/celery_task_log.html
index c7f177c6e..455fc28d6 100644
--- a/apps/ops/templates/ops/celery_task_log.html
+++ b/apps/ops/templates/ops/celery_task_log.html
@@ -6,15 +6,37 @@
     <script src="{% static 'js/plugins/xterm/xterm.js' %}"></script>
     <script src="{% static 'js/plugins/xterm/addons/fit/fit.js' %}"></script>
     <link rel="stylesheet" href="{% static 'js/plugins/xterm/xterm.css' %}" />
+    <link rel="shortcut icon" href="{{ FAVICON_URL }}" type="image/x-icon">
     <style>
         body {
             background-color: black;
         }
+
         .xterm-rows {
-            {#padding: 15px;#}
             font-family: "Bitstream Vera Sans Mono", Monaco, "Consolas", Courier, monospace;
             font-size: 13px;
         }
+
+        .terminal .xterm-viewport {
+            background-color: #1f1b1b;
+            overflow: auto;
+        }
+
+        body ::-webkit-scrollbar-track {
+            -webkit-box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.3);
+            background-color: #272323;
+            border-radius: 6px;
+        }
+
+        body ::-webkit-scrollbar {
+            width: 8px;
+            height: 8px;
+        }
+
+        body ::-webkit-scrollbar-thumb {
+            background-color: #494141;
+            border-radius: 6px;
+        }
     </style>
 </head>
 <div id="term" style="height: 100%;width: 100%">
@@ -36,7 +58,8 @@
             cursorBlink: false,
             screenKeys: false,
             fontFamily: '"Monaco", "Consolas", "monospace"',
-            fontSize: 12,
+            fontSize: 13,
+            lineHeight: 1.2,
             rightClickSelectsWord: true,
             disableStdin: true
         });
diff --git a/apps/ops/templates/ops/command_execution_create.html b/apps/ops/templates/ops/command_execution_create.html
index 9176c608d..cd1867c74 100644
--- a/apps/ops/templates/ops/command_execution_create.html
+++ b/apps/ops/templates/ops/command_execution_create.html
@@ -34,6 +34,27 @@
         .select2-container .select2-selection--single {
             height: 34px;
         }
+
+        .terminal .xterm-viewport {
+            background-color: #1f1b1b;
+            overflow: auto;
+        }
+
+        body ::-webkit-scrollbar-track {
+            -webkit-box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.3);
+            background-color: #272323;
+            border-radius: 6px;
+        }
+
+        body ::-webkit-scrollbar {
+            width: 8px;
+            height: 8px;
+        }
+
+        body ::-webkit-scrollbar-thumb {
+            background-color: #494141;
+            border-radius: 6px;
+        }
     </style>
 {% endblock %}
 
@@ -201,11 +222,10 @@
                 cursorBlink: false,
                 screenKeys: false,
                 fontFamily: 'monaco, Consolas, "Lucida Console", monospace',
-                fontSize: 14,
-                lineHeight: 1,
+                fontSize: 13,
                 rightClickSelectsWord: true,
                 disableStdin: true,
-                cursorBlink: false,
+                lineHeight: 1.2,
                 theme: {
                     background: '#1f1b1b'
                 }
diff --git a/apps/ops/ws.py b/apps/ops/ws.py
index d6bff86a7..cd2fa33bb 100644
--- a/apps/ops/ws.py
+++ b/apps/ops/ws.py
@@ -23,40 +23,46 @@ class CeleryLogWebsocket(JsonWebsocketConsumer):
         if task_id:
             self.handle_task(task_id)
 
+    def wait_util_log_path_exist(self, task_id):
+        log_path = get_celery_task_log_path(task_id)
+        while not self.disconnected:
+            if not os.path.exists(log_path):
+                self.send_json({'message': '.', 'task': task_id})
+                time.sleep(0.5)
+                continue
+            self.send_json({'message': '\r\n'})
+            try:
+                logger.debug('Task log path: {}'.format(log_path))
+                task_log_f = open(log_path, 'rb')
+                return task_log_f
+            except OSError:
+                return None
+
+    def read_log_file(self, task_id):
+        task_log_f = self.wait_util_log_path_exist(task_id)
+        if not task_log_f:
+            return
+
+        task_end_mark = []
+        while not self.disconnected:
+            data = task_log_f.read(4096)
+            if data:
+                data = data.replace(b'\n', b'\r\n')
+                self.send_json(
+                    {'message': data.decode(errors='ignore'), 'task': task_id})
+                if data.find(b'succeeded in') != -1:
+                    task_end_mark.append(1)
+                if data.find(bytes(task_id, 'utf8')) != -1:
+                    task_end_mark.append(1)
+            elif len(task_end_mark) == 2:
+                logger.debug('Task log end: {}'.format(task_id))
+                break
+            time.sleep(0.2)
+        task_log_f.close()
+
     def handle_task(self, task_id):
         logger.info("Task id: {}".format(task_id))
-        log_path = get_celery_task_log_path(task_id)
-
-        def func():
-            task_log_f = None
-
-            while not self.disconnected:
-                if not os.path.exists(log_path):
-                    self.send_json({'message': '.', 'task': task_id})
-                    time.sleep(0.5)
-                    continue
-                self.send_json({'message': '\r\n'})
-                try:
-                    logger.debug('Task log path: {}'.format(log_path))
-                    task_log_f = open(log_path, 'rb')
-                    break
-                except OSError:
-                    return
-
-            if not task_log_f:
-                return
-
-            while not self.disconnected:
-                data = task_log_f.readline()
-
-                if data:
-                    data = data.replace(b'\n', b'\r\n')
-                    self.send_json({'message': data.decode(errors='ignore'), 'task': task_id})
-                    if data.startswith(b'Task') and data.find(b'succeeded'):
-                        break
-                time.sleep(0.1)
-            task_log_f.close()
-        thread = threading.Thread(target=func)
+        thread = threading.Thread(target=self.read_log_file, args=(task_id,))
         thread.start()
 
     def disconnect(self, close_code):