diff --git a/app/assets/javascripts/fluent_log.js b/app/assets/javascripts/fluent_log.js
index 1e7e422..1611a48 100644
--- a/app/assets/javascripts/fluent_log.js
+++ b/app/assets/javascripts/fluent_log.js
@@ -9,7 +9,7 @@
       paramAttributes: ["logUrl"],
       data: {
         "logs": [],
-        // limit: 30 (with v-model="limit" on shared/vue/_fluent_log)
+        "limit": 30
       },
 
       created: function(){
diff --git a/app/views/shared/vue/_fluent_log.html.erb b/app/views/shared/vue/_fluent_log.html.erb
index 0380ef2..781af3a 100644
--- a/app/views/shared/vue/_fluent_log.html.erb
+++ b/app/views/shared/vue/_fluent_log.html.erb
@@ -1,7 +1,7 @@
 <!-- vue.js -->
 <div id="fluent-log" logUrl="<%= log_tail_fluentd_agent_path(fluentd) %>">
   <pre>
-<button class="btn btn-primary" v-on="click: fetchLogs"><%= t "terms.reload_log" %></button> <input type="text" v-model="limit" size="4" v-on="keyup: fetchLogs | key enter" value="<%= Settings.default_log_tail_count %>" />
+<button class="btn btn-primary" v-on="click: fetchLogs"><%= t "terms.reload_log" %></button> <input type="text" v-model="limit" size="4" v-on="keyup: fetchLogs | key enter" />
 
 <div class="log"><span v-repeat="logs">{{ $value }}
 </span></div></pre>