diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index d7488122..867b122f 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -121,9 +121,9 @@ jobs:
           # search package https://pkgs.org/
           sudo add-apt-repository universe
           sudo apt-get -y -qq update
-          sudo apt-get -y -qq install ffmpeg webp youtube-dl
+          sudo apt-get -y -qq install ffmpeg webp yt-dlp
           pip3 install you-get
-          echo "youtube-dl version $(youtube-dl --version)"
+          echo "yt-dlp version $(yt-dlp --version)"
           you-get --version
           ffmpeg -version
 
diff --git a/config/options.go b/config/options.go
index 22dd655e..eca1412d 100644
--- a/config/options.go
+++ b/config/options.go
@@ -8,6 +8,7 @@ import (
 	"net/url"
 	"os"
 	"path"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -927,7 +928,12 @@ func (o *Options) WaybackTimeout() time.Duration {
 
 // WaybackMaxRetries returns max retries for a wayback request.
 func (o *Options) WaybackMaxRetries() uint64 {
-	return uint64(o.waybackMaxRetries)
+	s := strconv.Itoa(o.waybackMaxRetries)
+	u, err := strconv.ParseUint(s, 10, 64)
+	if err != nil {
+		return 0
+	}
+	return u
 }
 
 // WaybackUserAgent returns User-Agent for a wayback request.
diff --git a/docs/changelog.md b/docs/changelog.md
index 331a0cc1..2a74081d 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - Fix playback from discord no response
 - Improve IRC publish
+- Improve type conversion ([#628](https://github.com/wabarc/wayback/pull/628))
 
 ## [0.20.1] - 2024-07-02
 
diff --git a/service/discord/discord.go b/service/discord/discord.go
index 865f6d3c..b1d25027 100644
--- a/service/discord/discord.go
+++ b/service/discord/discord.go
@@ -205,7 +205,13 @@ func (d *Discord) buttonHandlers() map[string]func(*discord.Session, *discord.In
 			}
 
 			// Query playback callback data from database
-			pb, err := d.store.Playback(uint64(id))
+			x := strconv.Itoa(id)
+			u, err := strconv.ParseUint(x, 10, 64)
+			if err != nil {
+				logger.Error("parse uint failed: %v", err)
+				return
+			}
+			pb, err := d.store.Playback(u)
 			if err != nil {
 				logger.Error("query playback data failed: %v", err)
 				metrics.IncrementWayback(metrics.ServiceDiscord, metrics.StatusFailure)
diff --git a/service/telegram/telegram.go b/service/telegram/telegram.go
index 8685c2ec..76faa25e 100644
--- a/service/telegram/telegram.go
+++ b/service/telegram/telegram.go
@@ -119,7 +119,13 @@ func (t *Telegram) Serve() (err error) {
 			}
 
 			// Query playback callback data from database
-			pb, err := t.store.Playback(uint64(id))
+			x := strconv.Itoa(id)
+			u, err := strconv.ParseUint(x, 10, 64)
+			if err != nil {
+				logger.Error("parse uint failed: %v", err)
+				return false
+			}
+			pb, err := t.store.Playback(u)
 			if err != nil {
 				logger.Error("query playback data failed: %v", err)
 				metrics.IncrementWayback(metrics.ServiceTelegram, metrics.StatusFailure)
diff --git a/service/utils.go b/service/utils.go
index 28eb7d2e..32d8f982 100644
--- a/service/utils.go
+++ b/service/utils.go
@@ -9,6 +9,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"strconv"
 	"strings"
 	"sync"
 
@@ -103,7 +104,13 @@ func filterArtifact(art reduxer.Artifact, upper int64) (paths []string) {
 		}
 		fsize += helper.FileSize(asset.Local)
 		if fsize > upper {
-			logger.Warn("total file size large than %s, skipped", humanize.Bytes(uint64(upper)))
+			s := strconv.FormatInt(upper, 10)
+			u, err := strconv.ParseUint(s, 10, 64)
+			if err != nil {
+				logger.Warn("parse uint failed %v", err)
+				continue
+			}
+			logger.Warn("total file size large than %s, skipped", humanize.Bytes(u))
 			continue
 		}
 		paths = append(paths, asset.Local)