diff --git a/internal/config/config.example.yaml b/internal/config/config.example.yaml
index c8283a4..3d86927 100644
--- a/internal/config/config.example.yaml
+++ b/internal/config/config.example.yaml
@@ -3,6 +3,7 @@ slurm_api_url: "http://localhost:6820"
 slurm_user_name: "root"
 slurm_jwt_key_path: "/etc/slurm/jwt_hs256.key"
 mysql_dsn: "root:@tcp(127.0.0.1:3306)/hpc_platform?parseTime=true"
+work_dir_base: "/mnt/nfs_mount/platform"  # 作业工作目录根路径，留空则不自动创建
 
 log:
   level: "info"          # debug, info, warn, error
diff --git a/internal/config/config.go b/internal/config/config.go
index c5e66fa..996326a 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -27,6 +27,7 @@ type Config struct {
 	SlurmUserName   string    `yaml:"slurm_user_name"`
 	SlurmJWTKeyPath string    `yaml:"slurm_jwt_key_path"`
 	MySQLDSN        string    `yaml:"mysql_dsn"`
+	WorkDirBase     string    `yaml:"work_dir_base"` // base directory for job work dirs
 	Log             LogConfig `yaml:"log"`
 }