diff --git a/models/org_team.go b/models/org_team.go
index be3b63b52..4c973b4d1 100644
--- a/models/org_team.go
+++ b/models/org_team.go
@@ -414,6 +414,7 @@ func DeleteTeam(t *organization.Team) error {
 		&organization.TeamUser{OrgID: t.OrgID, TeamID: t.ID},
 		&organization.TeamUnit{TeamID: t.ID},
 		&organization.TeamInvite{TeamID: t.ID},
+		&issues_model.Review{Type: issues_model.ReviewTypeRequest, ReviewerTeamID: t.ID}, // batch delete the binding relationship between team and PR (request review from team)
 	); err != nil {
 		return err
 	}
diff --git a/templates/repo/issue/view_content/comments.tmpl b/templates/repo/issue/view_content/comments.tmpl
index 251f205a0..39a6722e8 100644
--- a/templates/repo/issue/view_content/comments.tmpl
+++ b/templates/repo/issue/view_content/comments.tmpl
@@ -688,10 +688,15 @@
 							{{$.locale.Tr "repo.issues.review.add_review_request" (.Assignee.GetDisplayName|Escape) $createdStr | Safe}}
 						{{end}}
 					{{else}}
+						<!-- If the assigned team is deleted, just displaying "Ghost Team" in the comment -->
+						{{$teamName := "Ghost Team"}}
+						{{if .AssigneeTeam}}
+							{{$teamName = .AssigneeTeam.Name}}
+						{{end}}
 						{{if .RemovedAssignee}}
-							{{$.locale.Tr "repo.issues.review.remove_review_request" (.AssigneeTeam.Name|Escape) $createdStr | Safe}}
+							{{$.locale.Tr "repo.issues.review.remove_review_request" ($teamName|Escape) $createdStr | Safe}}
 						{{else}}
-							{{$.locale.Tr "repo.issues.review.add_review_request" (.AssigneeTeam.Name|Escape) $createdStr | Safe}}
+							{{$.locale.Tr "repo.issues.review.add_review_request" ($teamName|Escape) $createdStr | Safe}}
 						{{end}}
 					{{end}}
 				</span>