diff --git a/models/issue.go b/models/issue.go
index 48d845e6e8..c3f5de6429 100644
--- a/models/issue.go
+++ b/models/issue.go
@@ -685,6 +685,24 @@ func (issue *Issue) ChangeTitle(doer *User, title string) (err error) {
 	return nil
 }
 
+// AddDeletePRBranchComment adds delete branch comment for pull request issue
+func AddDeletePRBranchComment(doer *User, repo *Repository, issueID int64, branchName string) error {
+	issue, err := getIssueByID(x, issueID)
+	if err != nil {
+		return err
+	}
+	sess := x.NewSession()
+	defer sess.Close()
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+	if _, err := createDeleteBranchComment(sess, doer, repo, issue, branchName); err != nil {
+		return err
+	}
+
+	return sess.Commit()
+}
+
 // ChangeContent changes issue content, as the given user.
 func (issue *Issue) ChangeContent(doer *User, content string) (err error) {
 	oldContent := issue.Content
diff --git a/models/issue_comment.go b/models/issue_comment.go
index e011f5f0d5..2eadba810b 100644
--- a/models/issue_comment.go
+++ b/models/issue_comment.go
@@ -44,6 +44,8 @@ const (
 	CommentTypeAssignees
 	// Change Title
 	CommentTypeChangeTitle
+	// Delete Branch
+	CommentTypeDeleteBranch
 )
 
 // CommentTag defines comment tag type
@@ -472,6 +474,16 @@ func createChangeTitleComment(e *xorm.Session, doer *User, repo *Repository, iss
 	})
 }
 
+func createDeleteBranchComment(e *xorm.Session, doer *User, repo *Repository, issue *Issue, branchName string) (*Comment, error) {
+	return createComment(e, &CreateCommentOptions{
+		Type:      CommentTypeDeleteBranch,
+		Doer:      doer,
+		Repo:      repo,
+		Issue:     issue,
+		CommitSHA: branchName,
+	})
+}
+
 // CreateCommentOptions defines options for creating comment
 type CreateCommentOptions struct {
 	Type  CommentType
diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 3d1fd9da58..7e0d3feec9 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -551,6 +551,7 @@ issues.self_assign_at = `self-assigned this %s`
 issues.add_assignee_at = `was assigned by <b>%s</b> %s`
 issues.remove_assignee_at = `removed their assignment %s`
 issues.change_title_at = `changed title from <b>%s</b> to <b>%s</b> %s`
+issues.delete_branch_at = `deleted branch <b>%s</b> %s`
 issues.open_tab = %d Open
 issues.close_tab = %d Closed
 issues.filter_label = Label
diff --git a/options/locale/locale_zh-CN.ini b/options/locale/locale_zh-CN.ini
index 3356a41280..74810cd882 100644
--- a/options/locale/locale_zh-CN.ini
+++ b/options/locale/locale_zh-CN.ini
@@ -510,6 +510,7 @@ issues.self_assign_at = `于 %s 指派给自己`
 issues.add_assignee_at = `于 %[2]s 被 <b>%[1]s</b> 指派`
 issues.remove_assignee_at = `于 %s 取消了指派`
 issues.change_title_at = `于 %[3]s 修改标题 <b>%[1]s</b> 为 <b>%[2]s</b>`
+issues.delete_branch_at = `于 %[2]s 删除了分支 <b>%[1]s`
 issues.open_tab=%d 个开启中
 issues.close_tab=%d 个已关闭
 issues.filter_label=标签筛选
diff --git a/routers/repo/branch.go b/routers/repo/branch.go
index 104d459a7d..d040f2a560 100644
--- a/routers/repo/branch.go
+++ b/routers/repo/branch.go
@@ -6,6 +6,7 @@ package repo
 
 import (
 	"code.gitea.io/git"
+	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/base"
 	"code.gitea.io/gitea/modules/context"
 	"code.gitea.io/gitea/modules/log"
@@ -70,12 +71,21 @@ func DeleteBranchPost(ctx *context.Context) {
 	}
 
 	if err := ctx.Repo.GitRepo.DeleteBranch(branchName, git.DeleteBranchOptions{
-		Force: false,
+		Force: true,
 	}); err != nil {
 		log.Error(4, "DeleteBranch: %v", err)
 		ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", fullBranchName))
 		return
 	}
 
+	issueID := ctx.QueryInt64("issue_id")
+	if issueID > 0 {
+		if err := models.AddDeletePRBranchComment(ctx.User, ctx.Repo.Repository, issueID, branchName); err != nil {
+			log.Error(4, "DeleteBranch: %v", err)
+			ctx.Flash.Error(ctx.Tr("repo.branch.deletion_failed", fullBranchName))
+			return
+		}
+	}
+
 	ctx.Flash.Success(ctx.Tr("repo.branch.deletion_success", fullBranchName))
 }
diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index 17c3b56c2e..e9b60175f3 100644
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -635,7 +635,8 @@ func ViewIssue(ctx *context.Context) {
 			} else if ctx.User.IsWriterOfRepo(pull.HeadRepo) {
 				canDelete = true
 				deleteBranchURL := pull.HeadRepo.Link() + "/branches/" + pull.HeadBranch + "/delete"
-				ctx.Data["DeleteBranchLink"] = fmt.Sprintf("%s?commit=%s&redirect_to=%s", deleteBranchURL, pull.MergedCommitID, ctx.Data["Link"])
+				ctx.Data["DeleteBranchLink"] = fmt.Sprintf("%s?commit=%s&redirect_to=%s&issue_id=%d",
+					deleteBranchURL, pull.MergedCommitID, ctx.Data["Link"], issue.ID)
 
 			}
 		}
diff --git a/templates/repo/issue/view_content.tmpl b/templates/repo/issue/view_content.tmpl
index def50a179b..40993e54d2 100644
--- a/templates/repo/issue/view_content.tmpl
+++ b/templates/repo/issue/view_content.tmpl
@@ -185,6 +185,16 @@
 					<span class="text grey"><a href="{{.Poster.HomeLink}}">{{.Poster.Name}}</a>
 					{{$.i18n.Tr "repo.issues.change_title_at" .OldTitle .NewTitle $createdStr | Safe}}
 					</span>
+				{{else if eq .Type 11}}
+					<div class="event">
+						<span class="octicon octicon-primitive-dot"></span>
+					</div>
+					<a class="ui avatar image" href="{{.Poster.HomeLink}}">
+						<img src="{{.Poster.RelAvatarLink}}">
+					</a>
+					<span class="text grey"><a href="{{.Poster.HomeLink}}">{{.Poster.Name}}</a>
+					{{$.i18n.Tr "repo.issues.delete_branch_at" .CommitSHA $createdStr | Safe}}
+					</span>
 				{{end}}
 
 			{{end}}