diff --git a/lib/ui/ftp_settings.dart b/lib/ui/ftp_settings.dart
index acbd980..ca1dc2a 100644
--- a/lib/ui/ftp_settings.dart
+++ b/lib/ui/ftp_settings.dart
@@ -207,7 +207,7 @@ Future<FtpServer?> editFtpServer(BuildContext context, AppController c, {FtpServ
                   child: TextField(
                     controller: host,
                     keyboardType: TextInputType.url,
-                    decoration: InputDecoration(labelText: tr('서버 주소'), helperText: tr('예: nas.local · 192.168.0.10 · 100.x.y.z (Tailscale)')),
+                    decoration: InputDecoration(labelText: tr('서버 주소'), helperText: tr('예: nas.local · 192.168.0.10 · 100.x.y.z (Tailscale)'), helperMaxLines: 3),
                     onChanged: (_) => set(() {}),
                   ),
                 ),
@@ -265,7 +265,7 @@ Future<FtpServer?> editFtpServer(BuildContext context, AppController c, {FtpServ
               ),
               TextField(
                 controller: root,
-                decoration: InputDecoration(labelText: tr('시작 폴더 (비우면 로그인한 곳)'), helperText: tr('예: /volume1/video · 탭의 맨 위가 됩니다')),
+                decoration: InputDecoration(labelText: tr('시작 폴더 (비우면 로그인한 곳)'), helperText: tr('예: /volume1/video · 탭의 맨 위가 됩니다'), helperMaxLines: 3),
               ),
               if (security != 'none') ...[
                 const SizedBox(height: 6),
diff --git a/lib/ui/sftp_settings.dart b/lib/ui/sftp_settings.dart
index 84f7a2d..a425b6b 100644
--- a/lib/ui/sftp_settings.dart
+++ b/lib/ui/sftp_settings.dart
@@ -254,7 +254,7 @@ Future<SftpServer?> editSftpServer(BuildContext context, AppController c, {SftpS
                   child: TextField(
                     controller: host,
                     keyboardType: TextInputType.url,
-                    decoration: InputDecoration(labelText: tr('서버 주소'), helperText: tr('예: nas.local · 192.168.0.10 · 100.x.y.z (Tailscale)')),
+                    decoration: InputDecoration(labelText: tr('서버 주소'), helperText: tr('예: nas.local · 192.168.0.10 · 100.x.y.z (Tailscale)'), helperMaxLines: 3),
                     onChanged: (_) => set(() {}),
                   ),
                 ),
@@ -302,7 +302,7 @@ Future<SftpServer?> editSftpServer(BuildContext context, AppController c, {SftpS
                 ),
               TextField(
                 controller: root,
-                decoration: InputDecoration(labelText: tr('시작 폴더 (비우면 홈 폴더)'), helperText: tr('예: /volume1/video · 탭의 맨 위가 됩니다')),
+                decoration: InputDecoration(labelText: tr('시작 폴더 (비우면 홈 폴더)'), helperText: tr('예: /volume1/video · 탭의 맨 위가 됩니다'), helperMaxLines: 3),
               ),
               CheckboxListTile(
                 contentPadding: EdgeInsets.zero,
diff --git a/lib/ui/smb_settings.dart b/lib/ui/smb_settings.dart
index f5767a1..b7acc82 100644
--- a/lib/ui/smb_settings.dart
+++ b/lib/ui/smb_settings.dart
@@ -175,7 +175,7 @@ Future<SmbServer?> editSmbServer(BuildContext context, AppController c, {SmbServ
                   child: TextField(
                     controller: host,
                     keyboardType: TextInputType.url,
-                    decoration: InputDecoration(labelText: tr('서버 주소'), helperText: tr('예: nas.local · 192.168.0.10 · 100.x.y.z (Tailscale)')),
+                    decoration: InputDecoration(labelText: tr('서버 주소'), helperText: tr('예: nas.local · 192.168.0.10 · 100.x.y.z (Tailscale)'), helperMaxLines: 3),
                     onChanged: (_) => set(() {}),
                   ),
                 ),
@@ -208,7 +208,7 @@ Future<SmbServer?> editSmbServer(BuildContext context, AppController c, {SmbServ
               ),
               TextField(
                 controller: share,
-                decoration: InputDecoration(labelText: tr('공유 이름'), helperText: tr('예: video · home (\\\\서버\\공유 의 공유)')),
+                decoration: InputDecoration(labelText: tr('공유 이름'), helperText: tr('예: video · home (\\\\서버\\공유 의 공유)'), helperMaxLines: 3),
                 onChanged: (_) => set(() {}),
               ),
               TextField(controller: root, decoration: InputDecoration(labelText: tr('시작 폴더 (공유 안, 비우면 맨 위)'))),
diff --git a/lib/ui/webdav_settings.dart b/lib/ui/webdav_settings.dart
index 214cb1f..b39b750 100644
--- a/lib/ui/webdav_settings.dart
+++ b/lib/ui/webdav_settings.dart
@@ -165,6 +165,7 @@ Future<DavServer?> editDavServer(BuildContext context, AppController c, {DavServ
                 decoration: InputDecoration(
                   labelText: tr('주소'),
                   helperText: tr('예: https://nas.local:5006/home · https://cloud.example.com/remote.php/dav/files/아이디'),
+                  helperMaxLines: 3,
                 ),
                 onChanged: (_) => set(() {}),
               ),