diff --git a/src/ui-modules/config-api.js b/src/ui-modules/config-api.js
index 178831f..8310a8e 100644
--- a/src/ui-modules/config-api.js
+++ b/src/ui-modules/config-api.js
@@ -116,7 +116,18 @@ export async function handleUpdateConfig(req, res, currentConfig) {
         if (newConfig.LOG_MAX_FILES !== undefined) currentConfig.LOG_MAX_FILES = newConfig.LOG_MAX_FILES;
 
         // Scheduled Health Check settings
-        if (newConfig.SCHEDULED_HEALTH_CHECK !== undefined) currentConfig.SCHEDULED_HEALTH_CHECK = newConfig.SCHEDULED_HEALTH_CHECK;
+        if (newConfig.SCHEDULED_HEALTH_CHECK !== undefined) {
+            const incoming = newConfig.SCHEDULED_HEALTH_CHECK;
+            currentConfig.SCHEDULED_HEALTH_CHECK = {
+                enabled: incoming?.enabled === true,
+                startupRun: incoming?.startupRun !== false,
+                interval: (() => {
+                    const val = Number(incoming?.interval);
+                    return isNaN(val) ? 600000 : Math.max(60000, Math.min(3600000, val));
+                })(),
+                providerTypes: Array.isArray(incoming?.providerTypes) ? incoming.providerTypes : []
+            };
+        }
 
         // Handle system prompt update
         if (newConfig.systemPrompt !== undefined) {
diff --git a/static/app/config-manager.js b/static/app/config-manager.js
index 9c16a00..e093f3c 100644
--- a/static/app/config-manager.js
+++ b/static/app/config-manager.js
@@ -398,10 +398,14 @@ async function saveConfiguration() {
             .map(tag => tag.getAttribute('data-value'))
         : [];
     
+    // 验证并规范化 interval 值
+    const rawInterval = parseInt(document.getElementById('scheduledHealthCheckInterval')?.value);
+    const validatedInterval = isNaN(rawInterval) ? 600000 : Math.max(60000, Math.min(3600000, rawInterval));
+    
     config.SCHEDULED_HEALTH_CHECK = {
         enabled: document.getElementById('scheduledHealthCheckEnabled')?.checked !== false,
         startupRun: document.getElementById('scheduledHealthCheckStartupRun')?.checked !== false,
-        interval: parseInt(document.getElementById('scheduledHealthCheckInterval')?.value || 600000),
+        interval: validatedInterval,
         providerTypes: scheduledHealthCheckProviderTypes
     };