diff --git a/models/attachment.go b/models/attachment.go
index 5179c0170..6214567ef 100755
--- a/models/attachment.go
+++ b/models/attachment.go
@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"io"
 	"path"
+	"strings"
 
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/obs"
@@ -70,6 +71,7 @@ type AttachmentsOptions struct {
 	NeedIsPrivate   bool
 	IsPrivate       bool
 	NeedRepoInfo    bool
+	Keyword         string
 }
 
 func (a *Attachment) AfterUpdate() {
@@ -554,8 +556,14 @@ func Attachments(opts *AttachmentsOptions) ([]*AttachmentInfo, int64, error) {
 
 	var count int64
 	var err error
-	if (opts.Type) >= 0 {
+	if len(opts.Keyword) == 0 {
 		count, err = sess.Where(cond).Count(new(Attachment))
+	} else {
+		lowerKeyWord := strings.ToLower(opts.Keyword)
+
+		cond = cond.And(builder.Or(builder.Like{"LOWER(attachment.name)", lowerKeyWord}))
+		count, err = sess.Table(&Attachment{}).Where(cond).Count(new(AttachmentInfo))
+
 	}
 
 	if err != nil {