diff --git a/models/actions/schedule_list.go b/models/actions/schedule_list.go
index 1d35adc420..5361b94801 100644
--- a/models/actions/schedule_list.go
+++ b/models/actions/schedule_list.go
@@ -40,6 +40,9 @@ func (schedules ScheduleList) LoadTriggerUser(ctx context.Context) error {
 			schedule.TriggerUser = user_model.NewActionsUser()
 		} else {
 			schedule.TriggerUser = users[schedule.TriggerUserID]
+			if schedule.TriggerUser == nil {
+				schedule.TriggerUser = user_model.NewGhostUser()
+			}
 		}
 	}
 	return nil
diff --git a/models/organization/org.go b/models/organization/org.go
index ba0fd756e3..b33d15d29c 100644
--- a/models/organization/org.go
+++ b/models/organization/org.go
@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"strings"
 
+	actions_model "code.gitea.io/gitea/models/actions"
 	"code.gitea.io/gitea/models/db"
 	"code.gitea.io/gitea/models/perm"
 	repo_model "code.gitea.io/gitea/models/repo"
@@ -402,6 +403,8 @@ func DeleteOrganization(ctx context.Context, org *Organization) error {
 		&TeamInvite{OrgID: org.ID},
 		&secret_model.Secret{OwnerID: org.ID},
 		&user_model.Blocking{BlockerID: org.ID},
+		&actions_model.ActionRunner{OwnerID: org.ID},
+		&actions_model.ActionRunnerToken{OwnerID: org.ID},
 	); err != nil {
 		return fmt.Errorf("DeleteBeans: %w", err)
 	}
diff --git a/routers/api/actions/runner/runner.go b/routers/api/actions/runner/runner.go
index 1d07be3aec..b2f3e7af78 100644
--- a/routers/api/actions/runner/runner.go
+++ b/routers/api/actions/runner/runner.go
@@ -9,6 +9,8 @@ import (
 	"net/http"
 
 	actions_model "code.gitea.io/gitea/models/actions"
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
 	"code.gitea.io/gitea/modules/actions"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/util"
@@ -52,6 +54,18 @@ func (s *Service) Register(
 		return nil, errors.New("runner registration token has been invalidated, please use the latest one")
 	}
 
+	if runnerToken.OwnerID > 0 {
+		if _, err := user_model.GetUserByID(ctx, runnerToken.OwnerID); err != nil {
+			return nil, errors.New("owner of the token not found")
+		}
+	}
+
+	if runnerToken.RepoID > 0 {
+		if _, err := repo_model.GetRepositoryByID(ctx, runnerToken.RepoID); err != nil {
+			return nil, errors.New("repository of the token not found")
+		}
+	}
+
 	labels := req.Msg.Labels
 	// TODO: agent_labels should be removed from pb after Gitea 1.20 released.
 	// Old version runner's agent_labels slice is not empty and labels slice is empty.
diff --git a/services/actions/notifier_helper.go b/services/actions/notifier_helper.go
index 8c98f56af5..c48886a824 100644
--- a/services/actions/notifier_helper.go
+++ b/services/actions/notifier_helper.go
@@ -525,12 +525,9 @@ func DetectAndHandleSchedules(ctx context.Context, repo *repo_model.Repository)
 	}
 
 	// We need a notifyInput to call handleSchedules
-	// Here we use the commit author as the Doer of the notifyInput
-	commitUser, err := user_model.GetUserByEmail(ctx, commit.Author.Email)
-	if err != nil {
-		return fmt.Errorf("get user by email: %w", err)
-	}
-	notifyInput := newNotifyInput(repo, commitUser, webhook_module.HookEventSchedule)
+	// if repo is a mirror, commit author maybe an external user,
+	// so we use action user as the Doer of the notifyInput
+	notifyInput := newNotifyInput(repo, user_model.NewActionsUser(), webhook_module.HookEventSchedule)
 
 	return handleSchedules(ctx, scheduleWorkflows, commit, notifyInput, repo.DefaultBranch)
 }
diff --git a/services/repository/delete.go b/services/repository/delete.go
index 8d6729f31b..7c7dfe2ddd 100644
--- a/services/repository/delete.go
+++ b/services/repository/delete.go
@@ -163,6 +163,7 @@ func DeleteRepositoryDirectly(ctx context.Context, doer *user_model.User, repoID
 		&actions_model.ActionScheduleSpec{RepoID: repoID},
 		&actions_model.ActionSchedule{RepoID: repoID},
 		&actions_model.ActionArtifact{RepoID: repoID},
+		&actions_model.ActionRunnerToken{RepoID: repoID},
 	); err != nil {
 		return fmt.Errorf("deleteBeans: %w", err)
 	}
diff --git a/services/user/delete.go b/services/user/delete.go
index 212cb83e03..889da3eb67 100644
--- a/services/user/delete.go
+++ b/services/user/delete.go
@@ -94,6 +94,7 @@ func deleteUser(ctx context.Context, u *user_model.User, purge bool) (err error)
 		&actions_model.ActionRunner{OwnerID: u.ID},
 		&user_model.Blocking{BlockerID: u.ID},
 		&user_model.Blocking{BlockeeID: u.ID},
+		&actions_model.ActionRunnerToken{OwnerID: u.ID},
 	); err != nil {
 		return fmt.Errorf("deleteBeans: %w", err)
 	}