diff --git a/cli.py b/cli.py
index 7eea991..1b6bdac 100644
--- a/cli.py
+++ b/cli.py
@@ -25,6 +25,25 @@ from engine import TunnelManager, probe_host  # noqa: E402
 from storage import Store, data_root  # noqa: E402
 import tui  # noqa: E402
 
+VERSION = "1.4"
+
+
+def _print_banner(store: Store) -> None:
+    """开场:像素 Logo + 产品信息(类 Claude Code 风格)。"""
+    from platform import python_version, system
+    logo = tui.logo_lines()
+    info = [
+        tui.bold("ssh-e2e · SSH 隧道管理器"),
+        tui.dim(f"v{VERSION} · 中文交互向导"),
+        tui.faint(f"{system()} · Python {python_version()}"),
+        tui.faint(f"配置 {store.path}"),
+        tui.faint("回车采用 [默认值] · Ctrl+C 退出"),
+    ]
+    print()
+    for row, line in zip(logo, info):
+        print(f" {row}  {line}")
+    print(" " + tui.accent("─" * 46))
+
 
 def _print(msg: str) -> None:
     print(msg, flush=True)
@@ -392,14 +411,7 @@ def _wizard_new_tunnel(store: Store, host: dict):
 
 def wizard(store: Store) -> int:
     _ensure_tty_stdin()
-    title = "SSH 隧道配置向导"
-    sub = "回车采用 [方括号] 默认值 · Ctrl+C 随时退出"
-    w = max(tui.disp_len(title) + 4, tui.disp_len(sub) + 4, 40)
-    print()
-    print(tui.accent("╭─ ") + tui.bold(title) + " " + tui.accent("─" * (w - tui.disp_len(title) - 3) + "╮"))
-    print(tui.accent("│") + "  " + tui.faint(sub) + " " * (w - tui.disp_len(sub) - 2) + tui.accent("│"))
-    print(tui.accent("╰" + "─" * w + "╯"))
-    print(tui.faint(f"  配置文件: {store.path}"))
+    _print_banner(store)
 
     if store.warn_plaintext:
         _print("提示: 当前平台密码以明文保存于配置文件(权限已设为仅本用户可读)。")
diff --git a/engine.py b/engine.py
index edc9256..2253aab 100644
--- a/engine.py
+++ b/engine.py
@@ -20,6 +20,9 @@ def friendly_error(e: Exception) -> str:
         return "SSH 认证失败:请检查用户名、密码或私钥。"
     if isinstance(e, paramiko.SSHException):
         msg = str(e)
+        if "banner" in msg.lower():
+            return ("SSH 握手失败:已连上端口但对方未回应 SSH 协议"
+                    "(远程主机宕机/过载,或端口映射网关异常)")
         if "negotiation" in msg or "timed out" in msg or "Timeout" in msg:
             return "SSH 握手超时:远程主机无响应。"
         if "not a valid" in msg.lower() or ("key" in msg.lower() and "invalid" in msg.lower()):
@@ -59,6 +62,7 @@ class Tunnel:
         self._client: paramiko.SSHClient | None = None
         self._listener: socket.socket | None = None
         self._wakeup = threading.Event()
+        self.attempts = 0  # 本次断线后的重试次数
 
     # ---------- 状态 ----------
 
@@ -168,7 +172,7 @@ class Tunnel:
             port = int(host.get("port") or 22)
             kw = dict(
                 hostname=host["hostname"], port=port, username=host.get("username"),
-                timeout=12, banner_timeout=12, auth_timeout=12,
+                timeout=15, banner_timeout=25, auth_timeout=15,
                 allow_agent=False, look_for_keys=False,
             )
             if host.get("auth") == "key":
@@ -177,8 +181,11 @@ class Tunnel:
                     kw["passphrase"] = host["key_passphrase"]
             else:
                 kw["password"] = host.get("password")
-            self._log("info", f"正在连接 {host.get('username')}@{host['hostname']}:{port} ...")
+            self.attempts += 1
+            n = f"(第 {self.attempts} 次尝试)" if self.attempts > 1 else ""
+            self._log("info", f"正在连接 {host.get('username')}@{host['hostname']}:{port} ... {n}")
             client.connect(**kw)
+            self.attempts = 0
             try:
                 client.save_host_keys(str(self.known_hosts_path))
             except Exception:
diff --git a/tui.py b/tui.py
index 4686ff1..2923dcf 100644
--- a/tui.py
+++ b/tui.py
@@ -69,6 +69,32 @@ def warn(s: str) -> str: return _c(s, AMBER)
 def bold(s: str) -> str: return _c(s, TEXT, bold=True)
 
 
+# ---------- 品牌标识:像素字符画 "❯_"(终端提示符) ----------
+
+_LOGO_ROWS = [
+    "█.........",
+    "██........",
+    "█.█.......",
+    "██........",
+    "█...██████",
+]
+_CURSOR_FROM = 4  # 第 4 列起是"光标下划线",用绿色
+
+
+def logo_lines() -> list:
+    """5 行着色 logo;无色模式输出单色块画。"""
+    out = []
+    for row in _LOGO_ROWS:
+        line = ""
+        for i, ch in enumerate(row):
+            if ch == "█":
+                line += _c("█", GREEN if i >= _CURSOR_FROM else ACCENT)
+            else:
+                line += " "
+        out.append(line)
+    return out
+
+
 # ---------- 显示宽度(CJK 全角按 2 列) ----------
 
 _WIDE = ((0x1100, 0x115F), (0x2E80, 0x303E), (0x3041, 0x33FF), (0x3400, 0x4DBF),
@@ -225,6 +251,9 @@ _STATUS_STYLE = {
 }
 
 
+_SPIN = "◐◓◑◒"  # 连接中旋转帧,按时间取模
+
+
 class Dashboard:
     """运行时面板:隧道状态 + 滚动日志,原地刷新。非 tty 时为空操作。"""
 
@@ -256,16 +285,20 @@ class Dashboard:
         if not self._on:
             return
         lines = []
-        head = " ssh-e2e · 隧道运行中 "
+        head = " ❯_ ssh-e2e · 隧道运行中 "
         lines.append(accent("─" + head) + faint("─" * max(0, 46 - disp_len(head))))
         for st in self._stats:
-            rgb, label = _STATUS_STYLE.get(st["status"], (FAINT, "○ 未知"))
-            dot = _c(label.split()[0], rgb)
-            text = " ".join(label.split()[1:])
+            if st["status"] == "connecting":
+                glyph = _SPIN[int(time.time() * 2) % len(_SPIN)]
+                dot, text = _c(glyph, AMBER), "连接中"
+            else:
+                rgb, label = _STATUS_STYLE.get(st["status"], (FAINT, "○ 未知"))
+                dot = _c(label.split()[0], rgb)
+                text = " ".join(label.split()[1:])
             lines.append(f"  {dot} {bold(st['name'])}")
             m = f"{dim('127.0.0.1:' + str(st['local_port']))} {accent('⇄')} {dim(st['remote'])}"
             uptime = fmt_up(time.time() - st["started_at"]) if st.get("started_at") else "--:--:--"
-            lines.append(f"      {m}   {_c(text, rgb)} · {faint(uptime)} · {faint('连接 ' + str(st.get('conns', 0)))}")
+            lines.append(f"      {m}   {_c(text, AMBER if st['status'] == 'connecting' else _STATUS_STYLE[st['status']][0])} · {faint(uptime)} · {faint('连接 ' + str(st.get('conns', 0)))}")
             if st.get("error"):
                 lines.append(f"      {err(st['error'])}")
         if self._logs: