diff --git a/internal/model/job.go b/internal/model/job.go
index d9b5268..dcc282e 100644
--- a/internal/model/job.go
+++ b/internal/model/job.go
@@ -10,6 +10,7 @@ type SubmitJobRequest struct {
 	TimeLimit   string            `json:"time_limit,omitempty"`  // 运行时间限制 (分钟)
 	JobName     string            `json:"job_name,omitempty"`    // 作业名称
 	Environment map[string]string `json:"environment,omitempty"` // 环境变量键值对
+	WorkDir     string            `json:"work_dir,omitempty"`    // 作业工作目录
 }
 
 // JobResponse is the API response for a job.
diff --git a/internal/service/job_service.go b/internal/service/job_service.go
index ce84f47..7c8d72a 100644
--- a/internal/service/job_service.go
+++ b/internal/service/job_service.go
@@ -32,6 +32,9 @@ func (s *JobService) SubmitJob(ctx context.Context, req *model.SubmitJobRequest)
 		Qos:       strToPtrOrNil(req.QOS),
 		Name:      strToPtrOrNil(req.JobName),
 	}
+	if req.WorkDir != "" {
+		jobDesc.CurrentWorkingDirectory = &req.WorkDir
+	}
 	if req.CPUs > 0 {
 		jobDesc.MinimumCpus = slurm.Ptr(req.CPUs)
 	}