diff --git a/lib/strategy/templates/key_monitor_panel.html b/lib/strategy/templates/key_monitor_panel.html
index 2efba5e..1620014 100644
--- a/lib/strategy/templates/key_monitor_panel.html
+++ b/lib/strategy/templates/key_monitor_panel.html
@@ -196,7 +196,7 @@
     </details>
     <div class="panel-scroll pos-list key-panel-scroll key-monitor-panel-scroll">
         {% for k in key %}
-        <details class="key-row-collapse" id="key-row-{{ k.id }}">
+        <details class="key-row-collapse" id="key-row-{{ k.id }}"{% if (key|length) == 1 %} open{% endif %}>
             <summary class="key-row-collapse-summary">
                 <span class="key-row-summary-main">
                     <span class="key-row-summary-title">