diff --git a/packages/backend/src/services/passkey.service.ts b/packages/backend/src/services/passkey.service.ts
index 6cfff4c..1b3bf07 100644
--- a/packages/backend/src/services/passkey.service.ts
+++ b/packages/backend/src/services/passkey.service.ts
@@ -267,7 +267,6 @@ export class PasskeyService {
 
   async listPasskeysByUserId(userId: number): Promise<Partial<Passkey>[]> {
     const passkeys = await this.passkeyRepo.getPasskeysByUserId(userId);
-    console.log(`[PasskeyService] Passkeys for user ${userId} before mapping to partial:`, JSON.stringify(passkeys, null, 2));
     // 只返回部分信息以避免泄露敏感数据
     return passkeys.map(pk => ({
       credential_id: pk.credential_id,
diff --git a/packages/frontend/src/views/SettingsView.vue b/packages/frontend/src/views/SettingsView.vue
index 7fe4133..d9ae578 100644
--- a/packages/frontend/src/views/SettingsView.vue
+++ b/packages/frontend/src/views/SettingsView.vue
@@ -1247,19 +1247,24 @@ const handleDeletePasskey = async (credentialID: string) => {
 const formatDate = (dateInput: string | number | Date | undefined): string => {
     if (!dateInput) return t('statusMonitor.notAvailable');
     try {
-        const date = new Date(dateInput);
-        // Check if date is valid
-        if (isNaN(date.getTime())) {
-            // Try parsing as seconds if it's a number (common for Unix timestamps)
-            if (typeof dateInput === 'number') {
-                const dateFromSeconds = new Date(dateInput * 1000);
-                if (!isNaN(dateFromSeconds.getTime())) {
-                    return dateFromSeconds.toLocaleString();
-                }
+        // If dateInput is a number, assume it's a Unix timestamp in seconds
+        if (typeof dateInput === 'number') {
+            const dateFromSeconds = new Date(dateInput * 1000);
+            if (!isNaN(dateFromSeconds.getTime())) {
+                return dateFromSeconds.toLocaleString();
             }
+            // If conversion from seconds still results in an invalid date, return N/A
             return t('statusMonitor.notAvailable');
         }
-        return date.toLocaleString();
+
+        // If dateInput is a string or Date object, try to parse it directly
+        const date = new Date(dateInput);
+        if (!isNaN(date.getTime())) {
+            return date.toLocaleString();
+        }
+
+        // If all parsing fails
+        return t('statusMonitor.notAvailable');
     } catch (e) {
         console.error("Error formatting date:", e);
         return t('statusMonitor.notAvailable');