diff --git a/docs/host_comm_guide.md b/docs/host_comm_guide.md
index 58b25c0..b69a25d 100644
--- a/docs/host_comm_guide.md
+++ b/docs/host_comm_guide.md
@@ -180,60 +180,6 @@ def send_debug_tune(ser,
 
 ---
 
-## Tkinter 界面建议
-
-```python
-import tkinter as tk
-import tkinter.ttk as ttk
-import serial
-import struct
-import threading
-
-class TunerApp:
-    def __init__(self, root):
-        self.ser = serial.Serial('COM3', 115200, timeout=0.01)
-
-        # 视觉环 PID
-        self.vision_frame = ttk.LabelFrame(root, text="视觉环 PID")
-        self.v_yaw = self._make_pid_row(self.vision_frame, "Yaw",  0, (1.5, 3.0, 0.07))
-        self.v_pitch = self._make_pid_row(self.vision_frame, "Pitch", 1, (1.0, 2.0, 0.05))
-
-        # 电机角度环 PID
-        self.motor_frame = ttk.LabelFrame(root, text="电机角度环 PID")
-        self.m_yaw = self._make_pid_row(self.motor_frame, "Yaw",  2, (30, 80, 0.2))
-        self.m_pitch = self._make_pid_row(self.motor_frame, "Pitch", 3, (20, 50, 0.1))
-
-        ttk.Button(root, text="发送调参", command=self.send_tune).pack()
-
-    def _make_pid_row(self, parent, label, row, default):
-        frame = ttk.Frame(parent)
-        ttk.Label(frame, text=label).grid(row=0, column=0)
-        kp = tk.DoubleVar(value=default[0])
-        ki = tk.DoubleVar(value=default[1])
-        kd = tk.DoubleVar(value=default[2])
-        ttk.Entry(frame, textvariable=kp, width=8).grid(row=0, column=1)
-        ttk.Entry(frame, textvariable=ki, width=8).grid(row=0, column=2)
-        ttk.Entry(frame, textvariable=kd, width=8).grid(row=0, column=3)
-        frame.pack()
-        return (kp, ki, kd)
-
-    def send_tune(self):
-        def get(v): return v[0].get(), v[1].get(), v[2].get()
-        vy_kp, vy_ki, vy_kd = get(self.v_yaw)
-        vp_kp, vp_ki, vp_kd = get(self.v_pitch)
-        my_kp, my_ki, my_kd = get(self.m_yaw)
-        mp_kp, mp_ki, mp_kd = get(self.m_pitch)
-        send_debug_tune(self.ser,
-                        vy_kp, vy_ki, vy_kd,
-                        vp_kp, vp_ki, vp_kd,
-                        my_kp, my_ki, my_kd,
-                        mp_kp, mp_ki, mp_kd)
-
-root = tk.Tk()
-app = TunerApp(root)
-root.mainloop()
-```
-
 ## 校验和计算
 
 ```python