diff --git a/.gitignore b/.gitignore
index 5e9296f9..3a41cb76 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,6 +32,7 @@ frontend/node_modules/
 frontend/dist/
 *.local
 *.tsbuildinfo
+vite.config.d.ts
 
 # 日志
 npm-debug.log*
diff --git a/backend/internal/service/account.go b/backend/internal/service/account.go
index f740cb90..5bcd98f5 100644
--- a/backend/internal/service/account.go
+++ b/backend/internal/service/account.go
@@ -1,6 +1,7 @@
 package service
 
 import (
+	"encoding/json"
 	"strconv"
 	"time"
 )
@@ -94,6 +95,9 @@ func (a *Account) GetCredential(key string) string {
 	switch val := v.(type) {
 	case string:
 		return val
+	case json.Number:
+		// GORM datatypes.JSONMap 使用 UseNumber() 解析，数字类型为 json.Number
+		return val.String()
 	case float64:
 		// JSON 解析后数字默认为 float64
 		return strconv.FormatInt(int64(val), 10)
diff --git a/backend/internal/service/token_refresh_service.go b/backend/internal/service/token_refresh_service.go
index 5420dd3e..23126bfb 100644
--- a/backend/internal/service/token_refresh_service.go
+++ b/backend/internal/service/token_refresh_service.go
@@ -106,6 +106,9 @@ func (s *TokenRefreshService) processRefresh() {
 		return
 	}
 
+	totalAccounts := len(accounts)
+	oauthAccounts := 0 // 可刷新的OAuth账号数
+	needsRefresh := 0  // 需要刷新的账号数
 	refreshed, failed := 0, 0
 
 	for i := range accounts {
@@ -117,11 +120,15 @@ func (s *TokenRefreshService) processRefresh() {
 				continue
 			}
 
+			oauthAccounts++
+
 			// 检查是否需要刷新
 			if !refresher.NeedsRefresh(account, refreshWindow) {
-				continue
+				break // 不需要刷新，跳过
 			}
 
+			needsRefresh++
+
 			// 执行刷新
 			if err := s.refreshWithRetry(ctx, account, refresher); err != nil {
 				log.Printf("[TokenRefresh] Account %d (%s) failed: %v", account.ID, account.Name, err)
@@ -136,9 +143,9 @@ func (s *TokenRefreshService) processRefresh() {
 		}
 	}
 
-	if refreshed > 0 || failed > 0 {
-		log.Printf("[TokenRefresh] Cycle complete: %d refreshed, %d failed", refreshed, failed)
-	}
+	// 始终打印周期日志，便于跟踪服务运行状态
+	log.Printf("[TokenRefresh] Cycle complete: total=%d, oauth=%d, needs_refresh=%d, refreshed=%d, failed=%d",
+		totalAccounts, oauthAccounts, needsRefresh, refreshed, failed)
 }
 
 // listActiveAccounts 获取所有active状态的账号
diff --git a/backend/internal/service/token_refresher.go b/backend/internal/service/token_refresher.go
index a43a525e..2ae3c822 100644
--- a/backend/internal/service/token_refresher.go
+++ b/backend/internal/service/token_refresher.go
@@ -43,19 +43,13 @@ func (r *ClaudeTokenRefresher) CanRefresh(account *Account) bool {
 // NeedsRefresh 检查token是否需要刷新
 // 基于 expires_at 字段判断是否在刷新窗口内
 func (r *ClaudeTokenRefresher) NeedsRefresh(account *Account, refreshWindow time.Duration) bool {
-	var expiresAt int64
+	s := account.GetCredential("expires_at")
+	if s == "" {
+		return false
+	}
 
-	// 方式1: 通过 GetCredential 获取（处理字符串和部分数字类型）
-	if s := account.GetCredential("expires_at"); s != "" {
-		v, err := strconv.ParseInt(s, 10, 64)
-		if err != nil {
-			return false
-		}
-		expiresAt = v
-	} else if v, ok := account.Credentials["expires_at"].(float64); ok {
-		// 方式2: 直接获取 float64（处理某些 JSON 解码器将数字解析为 float64 的情况）
-		expiresAt = int64(v)
-	} else {
+	expiresAt, err := strconv.ParseInt(s, 10, 64)
+	if err != nil {
 		return false
 	}
 
diff --git a/frontend/vite.config.d.ts b/frontend/vite.config.d.ts
deleted file mode 100644
index 135c1dc0..00000000
--- a/frontend/vite.config.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-declare const _default: import('vite').UserConfig
-export default _default