diff --git a/desktop/activation_dialog.py b/desktop/activation_dialog.py
index f692e61..05848c1 100644
--- a/desktop/activation_dialog.py
+++ b/desktop/activation_dialog.py
@@ -11,14 +11,13 @@ from device_store import load_device, machine_fingerprint
 
 
 def _bring_front(win: tk.Misc) -> None:
-    """确保对话框在 Windows 上可见（避免挂在 withdraw 根窗后不显示）。"""
     try:
         win.update_idletasks()
         win.deiconify()
         win.lift()
         win.focus_force()
         win.attributes("-topmost", True)
-        win.after(200, lambda: win.attributes("-topmost", False))
+        win.after(250, lambda: win.attributes("-topmost", False))
     except Exception:
         pass
 
@@ -27,15 +26,10 @@ def ensure_activated(parent: Optional[tk.Misc] = None) -> bool:
     """已激活且能 ping 通则通过；否则弹出激活窗。返回是否可继续。"""
     device = load_device()
     owns_root = False
-    root: tk.Misc
     if parent is not None:
         root = parent
     else:
         root = tk.Tk()
-        root.title("黄金市价辅助")
-        root.geometry("360x80")
-        ttk.Label(root, text="正在启动…").pack(expand=True, padx=16, pady=16)
-        root.update()
         owns_root = True
 
     try:
@@ -50,31 +44,46 @@ def ensure_activated(parent: Optional[tk.Misc] = None) -> bool:
             ):
                 return True
 
-        win = tk.Toplevel(root)
+        # 单独可见窗口，避免「正在启动」残窗 + 按钮被裁切
+        if owns_root:
+            win = root
+        else:
+            win = tk.Toplevel(root)
         win.title("激活黄金辅助")
-        win.geometry("480x300")
-        win.resizable(False, False)
-        # 不要 transient 到已隐藏的父窗，否则 Windows 上常不显示
+        win.minsize(520, 420)
+        win.geometry("520x420")
+        win.resizable(True, True)
         result = {"ok": False}
 
-        frm = ttk.Frame(win, padding=16)
-        frm.pack(fill=tk.BOTH, expand=True)
+        # 底部按钮区先占位，保证高 DPI 下仍可见
+        btn_bar = ttk.Frame(win, padding=(16, 10, 16, 16))
+        btn_bar.pack(side=tk.BOTTOM, fill=tk.X)
 
-        ttk.Label(frm, text="首次使用请输入中控地址与激活码（网页下载中心生成）").pack(anchor="w")
-        ttk.Label(frm, text="服务器地址（例：http://192.168.1.10:5800）").pack(anchor="w", pady=(12, 4))
+        body = ttk.Frame(win, padding=16)
+        body.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
+
+        ttk.Label(
+            body,
+            text="首次使用请输入中控地址与激活码（网页下载中心生成）",
+            wraplength=470,
+        ).pack(anchor="w")
+
+        ttk.Label(body, text="服务器地址（例：http://192.168.1.10:5800）").pack(
+            anchor="w", pady=(14, 4)
+        )
         var_server = tk.StringVar(value=device.get("server") or "http://127.0.0.1:5800")
-        ttk.Entry(frm, textvariable=var_server, width=48).pack(fill=tk.X)
+        ttk.Entry(body, textvariable=var_server).pack(fill=tk.X, ipady=3)
 
-        ttk.Label(frm, text="激活码").pack(anchor="w", pady=(12, 4))
+        ttk.Label(body, text="激活码").pack(anchor="w", pady=(12, 4))
         var_code = tk.StringVar()
-        ttk.Entry(frm, textvariable=var_code, width=48).pack(fill=tk.X)
+        ttk.Entry(body, textvariable=var_code).pack(fill=tk.X, ipady=3)
 
-        ttk.Label(frm, text="本机名称（可改）").pack(anchor="w", pady=(12, 4))
+        ttk.Label(body, text="本机名称（可改）").pack(anchor="w", pady=(12, 4))
         var_name = tk.StringVar(value=device.get("machine_name") or "")
-        ttk.Entry(frm, textvariable=var_name, width=48).pack(fill=tk.X)
+        ttk.Entry(body, textvariable=var_name).pack(fill=tk.X, ipady=3)
 
-        status = ttk.Label(frm, text="", foreground="#888")
-        status.pack(anchor="w", pady=(10, 0))
+        status = ttk.Label(body, text="", foreground="#888")
+        status.pack(anchor="w", pady=(14, 0))
 
         def do_skip():
             result["ok"] = True
@@ -86,6 +95,8 @@ def ensure_activated(parent: Optional[tk.Misc] = None) -> bool:
             if not server or not code:
                 status.configure(text="请填写服务器与激活码", foreground="#f6465d")
                 return
+            status.configure(text="正在激活…", foreground="#888")
+            win.update_idletasks()
             try:
                 hub_client.activate(
                     server, code, machine_fingerprint(), var_name.get().strip() or "PC"
@@ -98,19 +109,22 @@ def ensure_activated(parent: Optional[tk.Misc] = None) -> bool:
             except hub_client.HubError as exc:
                 status.configure(text=str(exc), foreground="#f6465d")
 
-        btns = ttk.Frame(frm)
-        btns.pack(fill=tk.X, pady=(16, 0))
-        ttk.Button(btns, text="离线使用", command=do_skip).pack(side=tk.LEFT)
-        ttk.Button(btns, text="激活", command=do_ok).pack(side=tk.RIGHT)
+        ttk.Button(btn_bar, text="离线使用", command=do_skip).pack(side=tk.LEFT, ipadx=8, ipady=4)
+        ttk.Button(btn_bar, text="确认激活", command=do_ok).pack(side=tk.RIGHT, ipadx=12, ipady=4)
+        win.bind("<Return>", lambda _e: do_ok())
 
         win.protocol("WM_DELETE_WINDOW", do_skip)
         _bring_front(win)
-        win.grab_set()
-        root.wait_window(win)
+        try:
+            win.grab_set()
+        except Exception:
+            pass
+        win.wait_window()
         return result["ok"]
     finally:
         if owns_root:
             try:
-                root.destroy()
+                if root.winfo_exists():
+                    root.destroy()
             except Exception:
                 pass
diff --git a/releases/黄金市价辅助.exe b/releases/黄金市价辅助.exe
index df0aff9..59b07c4 100644
Binary files a/releases/黄金市价辅助.exe and b/releases/黄金市价辅助.exe differ