diff --git a/modules/story-summary/story-summary-ui.js b/modules/story-summary/story-summary-ui.js
index 82a6111..23e077b 100644
--- a/modules/story-summary/story-summary-ui.js
+++ b/modules/story-summary/story-summary-ui.js
@@ -575,7 +575,7 @@
             config.trigger.timing = timing;
             config.trigger.role = $('trigger-role').value || 'system';
             config.trigger.enabled = timing === 'manual' ? false : $('trigger-enabled').checked;
-            config.trigger.interval = parseInt($('trigger-interval').value) || 20;
+            config.trigger.interval = Math.max(1, Math.min(30, parseInt($('trigger-interval').value) || 20));
             config.trigger.useStream = $('trigger-stream').checked;
             config.trigger.maxPerRun = parseInt($('trigger-max-per-run').value) || 100;
             config.trigger.wrapperHead = $('trigger-wrapper-head').value;
@@ -1690,6 +1690,13 @@ CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "
             }
         };
 
+        // 总结间隔范围校验
+        $('trigger-interval').onchange = e => {
+            let val = parseInt(e.target.value) || 20;
+            val = Math.max(1, Math.min(30, val));
+            e.target.value = val;
+        };
+
         // Main actions
         $('btn-clear').onclick = () => postMsg('REQUEST_CLEAR');
         $('btn-generate').onclick = () => {
diff --git a/modules/story-summary/story-summary.html b/modules/story-summary/story-summary.html
index bfa9987..404748c 100644
--- a/modules/story-summary/story-summary.html
+++ b/modules/story-summary/story-summary.html
@@ -254,7 +254,7 @@
                     <div class="settings-row">
                         <div class="settings-field">
                             <label>自动总结间隔（楼）</label>
-                            <input type="number" id="trigger-interval" min="5" step="5" value="20">
+                            <input type="number" id="trigger-interval" min="1" max="30" step="1" value="20">
                         </div>
                         <div class="settings-field">
                             <label>触发时机</label>