feat: status constant define

internal/controllers/dashboard_controller.go

@@ -111,7 +111,7 @@ func (dc *DashboardController) GetSendStats(c *gin.Context) {
 		}
 		ds := dayMap[s.Day]
 		ds.Total += s.Num
-		if s.Status == "success" {
+		if s.Status == constant.TaskStatusSuccess {
 			ds.Success += s.Num
 		} else {
 			ds.Failed += s.Num

internal/controllers/task_controller.go

@@ -69,7 +69,7 @@ func (tc *TaskController) CreateTask(c *gin.Context) {
 	}
 
 	// 普通任务需要命令
-	if req.Type != "repo" && req.Command == "" {
+	if req.Type != constant.TaskTypeRepo && req.Command == "" {
 		utils.BadRequest(c, "命令不能为空")
 		return
 	}