update

src/server/torr/apihelper.go

@@ -65,6 +65,10 @@ func GetTorrent(hashHex string) *Torrent {
 	go func() {
 		tr, _ := NewTorrent(tor.TorrentSpec, bts)
 		if tr != nil {
+			tr.Title = tor.Title
+			tr.Poster = tor.Poster
+			tr.Size = tor.Size
+			tr.Timestamp = tor.Timestamp
 			tr.GotInfo()
 		}
 	}()

src/server/torr/storage/torrstor/cache.go

@@ -4,11 +4,12 @@ import (
 	"sort"
 	"sync"
 
-	"github.com/anacrolix/torrent"
 	"server/log"
 	"server/settings"
 	"server/torr/utils"
 
+	"github.com/anacrolix/torrent"
+
 	"github.com/anacrolix/torrent/metainfo"
 	"github.com/anacrolix/torrent/storage"
 )
@@ -137,7 +138,7 @@ func (c *Cache) getRemPieces() []*Piece {
 	loading := 0
 	used := c.bufferPull.Used()
 	for u := range used {
-		v := c.pieces[u]
+		if v, ok := c.pieces[u]; ok {
 			if v.Size > 0 {
 				if v.Id > 0 {
 					pieces = append(pieces, v)
@@ -148,6 +149,7 @@ func (c *Cache) getRemPieces() []*Piece {
 				}
 			}
 		}
+	}
 	c.filled = fill
 	sort.Slice(pieces, func(i, j int) bool {
 		return pieces[i].accessed < pieces[j].accessed