diff --git a/cluster.go b/cluster.go
index e8430d33..631635dc 100644
--- a/cluster.go
+++ b/cluster.go
@@ -35,6 +35,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"sort"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -588,6 +589,7 @@ func (cr *Cluster) SyncFiles(ctx context.Context, files []FileInfo, heavyCheck b
 		return
 	}
 
+	sort.Slice(files, func(i, j int) bool { return files[i].Hash < files[j].Hash })
 	cr.syncFiles(ctx, files, heavyCheck)
 
 	fileset := make(map[string]int64, len(files))
@@ -629,24 +631,31 @@ func (cr *Cluster) checkFileFor(storage Storage, files []FileInfo, heavy bool, m
 	defer setLogOutput(nil)
 
 	var (
-		checkingHashMux sync.RWMutex
-		checkingHash    string
+		checkingHashMux  sync.Mutex
+		checkingHash     string
+		lastCheckingHash string
 	)
 
 	bar := pg.AddBar((int64)(len(files)),
 		mpb.BarRemoveOnComplete(),
 		mpb.PrependDecorators(
 			decor.Name("Checking "+storage.String()),
-			decor.Any(func(decor.Statistics) string {
-				checkingHashMux.RLock()
-				defer checkingHashMux.RUnlock()
-				return "/" + checkingHash
-			}),
 		),
 		mpb.AppendDecorators(
 			decor.CountersNoUnit("%d / %d", decor.WCSyncSpaceR),
 			decor.NewPercentage("%d"),
+			decor.EwmaETA(decor.ET_STYLE_GO, 30),
 		),
+		mpb.BarExtender((mpb.BarFillerFunc)(func(w io.Writer, _ decor.Statistics) (err error) {
+			if checkingHashMux.TryLock() {
+				lastCheckingHash = checkingHash
+				checkingHashMux.Unlock()
+			}
+			if lastCheckingHash != "" {
+				_, err = fmt.Fprintln(w, "    ", lastCheckingHash)
+			}
+			return
+		}), true),
 	)
 
 	sizeMap := make(map[string]int64, len(files))
@@ -657,25 +666,26 @@ func (cr *Cluster) checkFileFor(storage Storage, files []FileInfo, heavy bool, m
 
 	var buf [1024 * 32]byte
 	for _, f := range files {
+		start := time.Now()
 		hash := f.Hash
-		checkingHashMux.Lock()
-		checkingHash = hash
-		checkingHashMux.Unlock()
-		bar.Increment()
+		if checkingHashMux.TryLock() {
+			checkingHash = hash
+			checkingHashMux.Unlock()
+		}
 		if f.Size == 0 {
 			logDebugf("Skipped empty file %s", hash)
-			continue
+			goto CONTINUE
 		}
 		if size, ok := sizeMap[hash]; ok {
 			if size != f.Size {
-				logInfof("Found modified file: size of %q is %d, expect %d", hash, size, f.Size)
+				logWarnf("Found modified file: size of %q is %d, expect %d", hash, size, f.Size)
 				goto MISSING
 			}
 			if heavy {
 				hashMethod, err := getHashMethod(len(hash))
 				if err != nil {
 					logErrorf("Unknown hash method for %q", hash)
-					continue
+					goto CONTINUE
 				}
 				hw := hashMethod.New()
 
@@ -688,19 +698,26 @@ func (cr *Cluster) checkFileFor(storage Storage, files []FileInfo, heavy bool, m
 				r.Close()
 				if err != nil {
 					logErrorf("Could not calculate hash for %q: %v", hash, err)
-					continue
+					goto CONTINUE
 				}
 				if hs := hex.EncodeToString(hw.Sum(buf[:0])); hs != f.Hash {
-					logInfof("Found modified file: hash of %q is %s, expect %s", hash, hs, f.Hash)
+					logWarnf("Found modified file: hash of %q is %s, expect %s", hash, hs, f.Hash)
 					goto MISSING
 				}
 			}
-			continue
+			goto CONTINUE
 		}
 		logDebugf("Could not found file %q", hash)
 	MISSING:
 		addMissing(f)
+	CONTINUE:
+		bar.EwmaIncrement(time.Since(start))
 	}
+
+	checkingHashMux.Lock()
+	checkingHash = ""
+	checkingHashMux.Unlock()
+
 	pg.Wait()
 	logInfof("File check finished for %s", storage.String())
 	return
@@ -862,7 +879,10 @@ func (cr *Cluster) gcFor(s Storage) {
 }
 
 func (cr *Cluster) fetchFile(ctx context.Context, stats *syncStats, f FileInfo) (<-chan string, error) {
-	const maxRetryCount = 5
+	const (
+		maxRetryCount  = 5
+		maxTryWithOpen = 3
+	)
 
 	slotId, buf, free := stats.slots.Alloc(ctx)
 	if buf == nil {
@@ -902,13 +922,14 @@ func (cr *Cluster) fetchFile(ctx context.Context, stats *syncStats, f FileInfo)
 		)
 		defer bar.Abort(true)
 
+		noOpen := stats.noOpen
 		interval := time.Second
 		for {
 			bar.SetCurrent(0)
 			hashMethod, err := getHashMethod(len(f.Hash))
 			if err == nil {
 				var path string
-				if path, err = cr.fetchFileWithBuf(ctx, f, hashMethod, buf, stats.noOpen, func(r io.Reader) io.Reader {
+				if path, err = cr.fetchFileWithBuf(ctx, f, hashMethod, buf, noOpen, func(r io.Reader) io.Reader {
 					return ProxyReader(r, bar, stats.totalBar, &stats.lastInc)
 				}); err == nil {
 					pathRes <- path
@@ -922,9 +943,13 @@ func (cr *Cluster) fetchFile(ctx context.Context, stats *syncStats, f FileInfo)
 			bar.SetRefill(bar.Current())
 
 			logErrorf("Download error %s:\n\t%s", f.Path, err)
-			if trycount.Add(1) > maxRetryCount {
+			c := trycount.Add(1)
+			if c > maxRetryCount {
 				break
 			}
+			if c > maxTryWithOpen {
+				noOpen = true
+			}
 			select {
 			case <-time.After(interval):
 				interval *= 2
diff --git a/go.mod b/go.mod
index e3b23ca7..a380677b 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/LiterMC/go-openbmclapi
 go 1.21.6
 
 require (
-	github.com/LiterMC/socket.io v0.1.0
+	github.com/LiterMC/socket.io v0.1.1
 	github.com/hamba/avro/v2 v2.18.0
 	github.com/klauspost/compress v1.17.4
 	github.com/patrickmn/go-cache v2.1.0+incompatible
diff --git a/go.sum b/go.sum
index 2778e92b..ce4252d5 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 github.com/LiterMC/socket.io v0.1.0 h1:p3SGNJRKaTldk5Weye1EvKG92l02fLyRgRDmkcLzC7U=
 github.com/LiterMC/socket.io v0.1.0/go.mod h1:60lM7+qdBnP64Fk2fB6WmAS6HxI6WCdhlcvaSnutx50=
+github.com/LiterMC/socket.io v0.1.1 h1:3DDMHFIG73HlUfjrH8bm1WPGHR+bEWbxQEofUr8pQeg=
+github.com/LiterMC/socket.io v0.1.1/go.mod h1:60lM7+qdBnP64Fk2fB6WmAS6HxI6WCdhlcvaSnutx50=
 github.com/VividCortex/ewma v1.2.0 h1:f58SaIzcDXrSy3kWaHNvuJgJ3Nmz59Zji6XoJR/q1ow=
 github.com/VividCortex/ewma v1.2.0/go.mod h1:nz4BbCtbLyFDeC9SUHbtcT5644juEuWfUAUnGx7j5l4=
 github.com/acarl005/stripansi v0.0.0-20180116102854-5a71ef0e047d h1:licZJFw2RwpHMqeKTCYkitsPqHNxTmd4SNR5r94FGM8=