Fix: failed unit test / Feat: support TTL in redis cache

models/setting.go

@@ -31,7 +31,7 @@ func GetSettingByName(name string) string {
 	// 尝试数据库中查找
 	result := DB.Where("name = ?", name).First(&setting)
 	if result.Error == nil {
-		_ = cache.Set(cacheKey, setting.Value)
+		_ = cache.Set(cacheKey, setting.Value, -1)
 		return setting.Value
 	}
 	return ""