diff --git a/static/app/config-manager.js b/static/app/config-manager.js
index 1e031f7..e4b08ab 100644
--- a/static/app/config-manager.js
+++ b/static/app/config-manager.js
@@ -251,6 +251,18 @@ async function loadConfiguration() {
             if (scheduledHealthCheckIntervalEl) scheduledHealthCheckIntervalEl.value = 600000;
         }
         
+        // 定时健康检查间隔快捷按钮
+        const intervalQuickBtns = document.querySelectorAll('#scheduledHealthCheckInterval + .quick-select-btns button');
+        intervalQuickBtns.forEach(btn => {
+            btn.addEventListener('click', (e) => {
+                e.preventDefault();
+                const value = parseInt(btn.getAttribute('data-value'));
+                if (scheduledHealthCheckIntervalEl) {
+                    scheduledHealthCheckIntervalEl.value = value;
+                }
+            });
+        });
+        
     } catch (error) {
         console.error('Failed to load configuration:', error);
     }
diff --git a/static/app/i18n.js b/static/app/i18n.js
index 830a521..5080210 100644
--- a/static/app/i18n.js
+++ b/static/app/i18n.js
@@ -347,7 +347,7 @@ const translations = {
         'config.healthCheck.enabled': '启用定时检查',
         'config.healthCheck.startupRun': '启动时运行',
         'config.healthCheck.interval': '检查间隔',
-        'config.healthCheck.intervalNote': '设置定时健康检查的执行间隔',
+        'config.healthCheck.intervalNote': '单位毫秒，最小60000ms(1分钟)，最大3600000ms(1小时)，可手动输入或点击快捷按钮',
         'config.log.title': '日志设置',
         'config.log.enabled': '启用日志',
         'config.log.outputMode': '日志输出模式',
diff --git a/static/components/section-config.css b/static/components/section-config.css
index 6cd16ca..e5ecaac 100644
--- a/static/components/section-config.css
+++ b/static/components/section-config.css
@@ -7,6 +7,65 @@
     border: 1px solid var(--border-color);
 }
 
+.form-group {
+    margin-bottom: 1.5rem;
+}
+
+.form-row {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 1.5rem;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 0.5rem;
+    font-weight: 600;
+    color: var(--text-primary);
+    font-size: 0.9rem;
+}
+
+.optional-tag, .form-group label .optional-mark {
+    font-size: 0.75rem;
+    color: var(--text-tertiary);
+    font-weight: 400;
+    margin-left: 0.5rem;
+    background: var(--bg-tertiary);
+    padding: 0.125rem 0.375rem;
+    border-radius: var(--radius-sm);
+}
+
+.form-control::placeholder {
+    color: var(--text-tertiary);
+}
+
+textarea.form-control {
+    resize: vertical;
+    font-family: inherit;
+}
+
+/* 带快捷选择的输入框 */
+.input-with-quick-select {
+    display: flex;
+    flex-direction: column;
+    gap: 0.5rem;
+}
+
+.input-with-quick-select .form-control {
+    width: 100%;
+}
+
+.quick-select-btns {
+    display: flex;
+    gap: 0.5rem;
+    flex-wrap: wrap;
+}
+
+.quick-select-btns .btn {
+    padding: 0.25rem 0.75rem;
+    font-size: 0.75rem;
+}
+
 .config-form {
     max-width: 800px;
     margin: 0 auto;
diff --git a/static/components/section-config.html b/static/components/section-config.html
index d5fd694..37d1eee 100644
--- a/static/components/section-config.html
+++ b/static/components/section-config.html
@@ -249,12 +249,15 @@
                 </div>
                 <div class="form-group">
                     <label for="scheduledHealthCheckInterval" data-i18n="config.healthCheck.interval">检查间隔</label>
-                    <select id="scheduledHealthCheckInterval" class="form-control">
-                        <option value="300000">5 分钟</option>
-                        <option value="600000" selected>10 分钟</option>
-                        <option value="1800000">30 分钟</option>
-                    </select>
-                    <small class="form-text" data-i18n="config.healthCheck.intervalNote">设置定时健康检查的执行间隔</small>
+                    <div class="input-with-quick-select">
+                        <input type="number" id="scheduledHealthCheckInterval" class="form-control" min="60000" max="3600000" step="60000" value="600000" placeholder="毫秒">
+                        <div class="quick-select-btns">
+                            <button type="button" class="btn btn-sm btn-outline-secondary" data-value="300000">5分钟</button>
+                            <button type="button" class="btn btn-sm btn-outline-secondary" data-value="600000">10分钟</button>
+                            <button type="button" class="btn btn-sm btn-outline-secondary" data-value="1800000">30分钟</button>
+                        </div>
+                    </div>
+                    <small class="form-text" data-i18n="config.healthCheck.intervalNote">单位毫秒，最小60000ms(1分钟)，最大3600000ms(1小时)</small>
                 </div>
             </div>