diff --git a/cmd/internal/build_libbox/main.go b/cmd/internal/build_libbox/main.go
index f6540c85..3bfe862c 100644
--- a/cmd/internal/build_libbox/main.go
+++ b/cmd/internal/build_libbox/main.go
@@ -54,7 +54,7 @@ func init() {
 	sharedFlags = append(sharedFlags, "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=")
 	debugFlags = append(debugFlags, "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
 
-	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_clash_api")
+	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_ech", "with_utls", "with_clash_api")
 	iosTags = append(iosTags, "with_dhcp", "with_low_memory", "with_conntrack")
 	debugTags = append(debugTags, "debug")
 }
diff --git a/cmd/internal/update_apple_version/main.go b/cmd/internal/update_apple_version/main.go
index dba81f83..864b788e 100644
--- a/cmd/internal/update_apple_version/main.go
+++ b/cmd/internal/update_apple_version/main.go
@@ -29,8 +29,7 @@ func main() {
 	newContent, updated0 := findAndReplace(objectsMap, projectContent, []string{"io.nekohasekai.sfa"}, newVersion.VersionString())
 	newContent, updated1 := findAndReplace(objectsMap, newContent, []string{"io.nekohasekai.sfa.independent", "io.nekohasekai.sfa.system"}, newVersion.String())
 	if updated0 || updated1 {
-		log.Info("updated version to ", newVersion.VersionString())
-		common.Must(os.WriteFile("sing-box.xcodeproj/project.pbxproj.bak", []byte(projectContent), 0o644))
+		log.Info("updated version to ", newVersion.VersionString(), " (", newVersion.String(), ")")
 		common.Must(os.WriteFile("sing-box.xcodeproj/project.pbxproj", []byte(newContent), 0o644))
 	} else {
 		log.Info("version not changed")
diff --git a/common/tls/ech_client.go b/common/tls/ech_client.go
index 930dfaaf..60560387 100644
--- a/common/tls/ech_client.go
+++ b/common/tls/ech_client.go
@@ -178,7 +178,7 @@ func NewECHClient(ctx context.Context, serverAddress string, options option.Outb
 	} else if options.ECH.ConfigPath != "" {
 		content, err := os.ReadFile(options.ECH.ConfigPath)
 		if err != nil {
-			return nil, E.Cause(err, "read key")
+			return nil, E.Cause(err, "read ECH config")
 		}
 		echConfig = content
 	}
diff --git a/common/tls/ech_server.go b/common/tls/ech_server.go
index b6b6f7d0..43ddd820 100644
--- a/common/tls/ech_server.go
+++ b/common/tls/ech_server.go
@@ -159,7 +159,7 @@ func (c *echServerConfig) startECHWatcher() error {
 	if err != nil {
 		return err
 	}
-	c.watcher = watcher
+	c.echWatcher = watcher
 	go c.loopECHUpdate()
 	return nil
 }
@@ -178,7 +178,7 @@ func (c *echServerConfig) loopECHUpdate() {
 			if err != nil {
 				c.logger.Error(E.Cause(err, "reload ECH key"))
 			}
-		case err, ok := <-c.watcher.Errors:
+		case err, ok := <-c.echWatcher.Errors:
 			if !ok {
 				return
 			}
@@ -304,7 +304,7 @@ func NewECHServer(ctx context.Context, logger log.Logger, options option.Inbound
 	} else if options.KeyPath != "" {
 		content, err := os.ReadFile(options.ECH.KeyPath)
 		if err != nil {
-			return nil, E.Cause(err, "read key")
+			return nil, E.Cause(err, "read ECH key")
 		}
 		echKey = content
 	} else {