diff --git a/rag/enio/base_task.go b/rag/enio/base_task.go
index 0da9f59..6364fba 100644
--- a/rag/enio/base_task.go
+++ b/rag/enio/base_task.go
@@ -9,7 +9,7 @@ type BaseTask struct {
 	beans.MongoBaseDO `bson:",inline"`
 	// 任务信息
 	TaskType string       `bson:"taskType" json:"taskType"`
-	Status   string       `bson:"status" json:"status"`
+	Status   TaskStatus   `bson:"status" json:"status"`
 	Priority TaskPriority `bson:"priority,omitempty" json:"priority,omitempty"`
 	// 进度
 	TotalItems     int64   `bson:"totalItems" json:"totalItems"`
diff --git a/rag/enio/task_status.go b/rag/enio/task_status.go
new file mode 100644
index 0000000..d6d2479
--- /dev/null
+++ b/rag/enio/task_status.go
@@ -0,0 +1,12 @@
+package enio
+
+// TaskStatus 任务状态
+type TaskStatus string
+
+const (
+	TaskStatusPending   TaskStatus = "pending"   // 待处理
+	TaskStatusRunning   TaskStatus = "running"   // 运行中
+	TaskStatusCompleted TaskStatus = "completed" // 已完成
+	TaskStatusFailed    TaskStatus = "failed"    // 失败
+	TaskStatusCancelled TaskStatus = "cancelled" // 已取消
+)