diff --git a/src/KSP_tools/KRPC_intergration/__init__.py b/src/KSP_tools/KRPC_intergration/__init__.py
new file mode 100644
index 0000000..c4b49ae
--- /dev/null
+++ b/src/KSP_tools/KRPC_intergration/__init__.py
@@ -0,0 +1,377 @@
+"""
+KRPC integration helpers
+提供一个函数 run_flight_sequence 来连接本地 kRPC 服务，并按照用户需求控制当前活动载具。
+需要安装 krpc: pip install krpc
+
+行为：
+1) 点火并将油门设为 70%，垂直向上飞行 40s
+2) 计算并设定维持 1G 的油门（若计算失败回退到 50%），航向 90，俯仰 45°，维持 20s
+3) 将油门提升到 100%，航向 270，俯仰 70°，维持 15s
+
+注意：不同飞行环境（行星/轨道）下重力与最大推力不同，计算油门只是近似。
+"""
+
+import time
+
+try:
+    import krpc
+except Exception:  # 保持导入失败时的可读性
+    krpc = None
+
+
+def run_flight_sequence(host='localhost', port=50000, ignite_stage=True, verbose=True):
+    """连接 kRPC 并执行飞行序列。
+
+    参数:
+    - host, port: krpc 服务器地址和端口
+    - ignite_stage: 是否在开始时执行一次 stage 激活以点火（默认 True）
+    - verbose: 是否打印运行信息
+
+    返回: dict 状态信息
+    """
+    if krpc is None:
+        raise RuntimeError('krpc 库未安装或不可用，运行前请 pip install krpc')
+
+    conn = krpc.connect(name='general_tools_flight_sequence', address=host, rpc_port=port)
+    sc = conn.space_center
+
+    vessel = sc.active_vessel
+    if vessel is None:
+        conn.close()
+        raise RuntimeError('未找到活动载具')
+
+    # 预先包含 result 字段，使用字符串默认值以保持类型一致
+    status = {'steps': [], 'result': ''}
+
+    try:
+        # 保险起见先把油门设为 0
+        vessel.control.throttle = 0.0
+        time.sleep(0.1)
+
+        if ignite_stage:
+            if verbose:
+                print('激活第一个 stage 以点火（如适用）')
+            try:
+                # 在分级前先设置目标油门，这样发动机激活后会立刻使用该油门
+                vessel.control.throttle = 0.7
+                vessel.control.activate_next_stage()
+                # activate_next_stage 可能改变当前活动载具（比如 decouple 导致控制权转移），
+                # 重新获取 active_vessel 保证后续写入作用在当前载具上
+                time.sleep(0.05)
+                vessel = sc.active_vessel
+            except Exception:
+                # 某些情况下 activate_next_stage 可能无效，继续也没问题
+                if verbose:
+                    print('activate_next_stage 失败，继续执行')
+
+            # 使用 streams 优先监控并确保油门生效
+            thrust_ok = _ensure_throttle_applied(conn, sc, desired_throttle=0.7, timeout=10.0, verbose=verbose)
+            if not thrust_ok:
+                if verbose:
+                    print('警告：通过 streams/轮询仍未检测到油门生效，尝试更激进的写入（_force_apply_throttle）并输出发动机诊断')
+                try:
+                    forced = _force_apply_throttle(conn, sc, desired_throttle=0.7, timeout=5.0, verbose=verbose)
+                except Exception:
+                    forced = False
+                if verbose:
+                    print(f'_force_apply_throttle 返回: {forced}')
+                try:
+                    print(_diagnose_engines(sc.active_vessel))
+                except Exception:
+                    pass
+            time.sleep(0.15)
+
+        # 1) 推力 70%，垂直向上 40s
+        t0 = time.time()
+        vessel.control.throttle = 0.7
+        # 设置自动驾驶为垂直向上（俯仰 90°），保持当前航向
+        flight = vessel.flight()
+        heading = flight.heading if hasattr(flight, 'heading') else 0.0
+        ap = vessel.auto_pilot
+        try:
+            ap.engage()
+            ap.target_pitch_and_heading(90.0, heading)
+        except Exception:
+            # 如果 target_pitch_and_heading 不可用，尝试设置朝向为航向不变，俯仰 90
+            if verbose:
+                print('auto_pilot.target_pitch_and_heading 不可用，尝试基础设置')
+        if verbose:
+            print('阶段1: 70% 推力，垂直上升，持续 40s')
+        status['steps'].append({'step': 1, 'throttle': 0.7, 'pitch': 90, 'heading': heading, 'duration_s': 40})
+        _sleep_with_progress(40)
+
+        # 2) 计算维持 1G 所需油门，航向 90，俯仰 45，持续 20s
+        desired_g = 9.81
+        throttle_for_1g = None
+        try:
+            # vessel.mass 与 vessel.available_thrust 在多数 kRPC 版本可用
+            mass = vessel.mass
+            available_thrust = vessel.available_thrust
+            if available_thrust is None or available_thrust == 0:
+                raise RuntimeError('available_thrust 无效')
+            # 所需油门比例 = (质量 * 目标加速度) / 可用推力
+            throttle_for_1g = (mass * desired_g) / available_thrust
+            throttle_for_1g = max(0.0, min(1.0, throttle_for_1g))
+        except Exception:
+            # 计算失败时回退到一个保守值
+            throttle_for_1g = 0.5
+            if verbose:
+                print('无法精确计算 1G 所需油门，回退到 50%')
+
+        vessel.control.throttle = float(throttle_for_1g)
+        try:
+            ap.target_pitch_and_heading(45.0, 90.0)
+        except Exception:
+            if verbose:
+                print('设置 45°/90° 方向到 auto_pilot 失败')
+        if verbose:
+            print(f'阶段2: 维持 1G (估计油门 {throttle_for_1g:.3f})，航向 90，俯仰 45，持续 20s')
+        status['steps'].append({'step': 2, 'throttle': throttle_for_1g, 'pitch': 45, 'heading': 90, 'duration_s': 20})
+        _sleep_with_progress(20)
+
+        # 3) 推力 100%，航向 270，俯仰 70，持续 15s
+        vessel.control.throttle = 1.0
+        try:
+            ap.target_pitch_and_heading(70.0, 270.0)
+        except Exception:
+            if verbose:
+                print('设置 70°/270° 方向到 auto_pilot 失败')
+        if verbose:
+            print('阶段3: 100% 推力，航向 270，俯仰 70，持续 15s')
+        status['steps'].append({'step': 3, 'throttle': 1.0, 'pitch': 70, 'heading': 270, 'duration_s': 15})
+        _sleep_with_progress(15)
+
+        if verbose:
+            print('飞行序列完成')
+        status['result'] = 'ok'
+    finally:
+        try:
+            # 结束时不改变油门状态，仅可选地切换到 0
+            vessel.control.throttle = 0.0
+            if hasattr(vessel.auto_pilot, 'disengage'):
+                try:
+                    vessel.auto_pilot.disengage()
+                except Exception:
+                    pass
+        except Exception:
+            pass
+        try:
+            conn.close()
+        except Exception:
+            pass
+
+    return status
+
+
+def _sleep_with_progress(duration_s):
+    # 小循环以便能快速响应（比如可拓展为监听中断）
+    end = time.time() + duration_s
+    while True:
+        now = time.time()
+        if now >= end:
+            break
+        time.sleep(min(0.5, end - now))
+
+
+def _ensure_throttle_applied(conn, sc, desired_throttle=0.7, timeout=10.0, verbose=False):
+    """尝试确保对当前活动载具的油门设置被游戏接受。
+
+    优先使用 kRPC streams 订阅 control.throttle、available_thrust、thrust 的回显。
+    在分级后调用，函数会在超时前反复写入 throttle 并检查回显或推力变化。
+    返回：布尔，表示油门是否被接受。
+    """
+    try:
+        start = time.time()
+        vessel = sc.active_vessel
+        # 尝试建立 streams
+        streams = {}
+        try:
+            streams['throttle'] = conn.add_stream(getattr, vessel.control, 'throttle')
+            streams['available_thrust'] = conn.add_stream(getattr, vessel, 'available_thrust')
+            streams['thrust'] = conn.add_stream(getattr, vessel, 'thrust')
+        except Exception:
+            streams = {}
+
+        while time.time() - start < timeout:
+            try:
+                vessel = sc.active_vessel
+                vessel.control.throttle = desired_throttle
+            except Exception:
+                pass
+
+            # 读取 stream 回显
+            try:
+                tval = streams.get('throttle').read() if 'throttle' in streams else getattr(vessel.control, 'throttle', None)
+            except Exception:
+                try:
+                    tval = getattr(vessel.control, 'throttle', None)
+                except Exception:
+                    tval = None
+
+            try:
+                thrust_val = streams.get('thrust').read() if 'thrust' in streams else getattr(vessel, 'thrust', None)
+            except Exception:
+                thrust_val = None
+
+            try:
+                avail = streams.get('available_thrust').read() if 'available_thrust' in streams else getattr(vessel, 'available_thrust', None)
+            except Exception:
+                avail = None
+
+            # 额外调试输出，帮助定位为何油门被限制
+            if verbose:
+                try:
+                    vs = getattr(vessel, 'name', None)
+                except Exception:
+                    vs = None
+                print(f"_ensure_throttle_applied: vessel={vs} desired={desired_throttle:.3f} tval={tval} thrust={thrust_val} avail={avail}")
+
+            if tval is not None and tval >= desired_throttle * 0.95:
+                # 回显已接近目标
+                _cleanup_streams(streams)
+                return True
+            if thrust_val is not None and thrust_val > 0:
+                _cleanup_streams(streams)
+                return True
+            if avail is not None and avail > 0 and tval is not None and tval > 0:
+                _cleanup_streams(streams)
+                return True
+
+            time.sleep(0.1)
+
+        # 超时仍失败，清理并返回 False
+        _cleanup_streams(streams)
+        return False
+    except Exception:
+        return False
+
+
+def _cleanup_streams(streams):
+    try:
+        for s in list(streams.values()):
+            try:
+                s.remove()
+            except Exception:
+                try:
+                    s.close()
+                except Exception:
+                    pass
+    except Exception:
+        pass
+
+
+def _diagnose_engines(vessel):
+    """收集并返回当前载具的一些发动机/推进相关诊断信息（尽量安全）。"""
+    info = {}
+    try:
+        info['control_throttle'] = getattr(vessel.control, 'throttle', 'N/A')
+    except Exception:
+        info['control_throttle'] = 'N/A'
+    try:
+        info['available_thrust'] = getattr(vessel, 'available_thrust', 'N/A')
+    except Exception:
+        info['available_thrust'] = 'N/A'
+    try:
+        info['thrust'] = getattr(vessel, 'thrust', 'N/A')
+    except Exception:
+        info['thrust'] = 'N/A'
+    # 尝试获取部件计数和发动机计数
+    try:
+        parts = vessel.parts
+        info['parts_count'] = getattr(parts, 'count', 'N/A')
+        engines = getattr(parts, 'engines', None)
+        if engines is not None:
+            info['engines_count'] = getattr(engines, 'count', 'N/A')
+            # 尝试收集每个 engine 的状态
+            engines_list = []
+            try:
+                for i, eng in enumerate(engines):
+                    ed = {'index': i}
+                    try:
+                        ed['part_name'] = getattr(eng, 'part', None)
+                    except Exception:
+                        ed['part_name'] = 'N/A'
+                    # 常见 engine 属性，安全读取
+                    for attr in ('active', 'ignited', 'has_fuel', 'thrust_limit', 'thrust', 'available_thrust', 'fuel_flow', 'flameout'):
+                        try:
+                            ed[attr] = getattr(eng, attr)
+                        except Exception:
+                            try:
+                                # 有时属性在 engine 上不可用，但可在 part 或 module 上
+                                ed[attr] = getattr(eng, attr, 'N/A')
+                            except Exception:
+                                ed[attr] = 'N/A'
+                    engines_list.append(ed)
+            except Exception:
+                engines_list = 'N/A'
+            info['engines'] = engines_list
+        else:
+            info['engines_count'] = 'N/A'
+            info['engines'] = 'N/A'
+    except Exception:
+        info['parts_count'] = 'N/A'
+        info['engines_count'] = 'N/A'
+        info['engines'] = 'N/A'
+
+    return info
+
+
+def _force_apply_throttle(conn, sc, desired_throttle, timeout=5.0, verbose=False):
+    """在 _ensure_throttle_applied 失败后尝试更激进地应用油门：
+    - 设置每个发动机的 thrust_limit 到目标（如果属性存在）
+    - 多次写入 vessel.control.throttle
+    返回是否成功检测到油门生效。
+    """
+    try:
+        start = time.time()
+        vessel = sc.active_vessel
+        # 尝试设置各发动机的 thrust_limit
+        try:
+            parts = vessel.parts
+            engines = getattr(parts, 'engines', None)
+            if engines is not None:
+                for eng in engines:
+                    try:
+                        # 有些 engine 对象暴露 thrust_limit 属性
+                        if hasattr(eng, 'thrust_limit'):
+                            eng.thrust_limit = desired_throttle
+                    except Exception:
+                        # 忽略单个发动机失败
+                        pass
+        except Exception:
+            pass
+
+        # 重复写入并检测
+        while time.time() - start < timeout:
+            try:
+                vessel = sc.active_vessel
+                vessel.control.throttle = float(desired_throttle)
+            except Exception:
+                pass
+
+            try:
+                tval = getattr(vessel.control, 'throttle', None)
+            except Exception:
+                tval = None
+            try:
+                thrust_val = getattr(vessel, 'thrust', None)
+            except Exception:
+                thrust_val = None
+
+            if verbose:
+                print(f"_force_apply_throttle: desired={desired_throttle:.3f} tval={tval} thrust={thrust_val}")
+
+            if tval is not None and tval >= desired_throttle * 0.9:
+                return True
+            if thrust_val is not None and thrust_val > 0:
+                return True
+
+            time.sleep(0.1)
+
+        return False
+    except Exception:
+        return False
+
+
+if __name__ == "__main__":
+    run_flight_sequence(verbose=True)
diff --git a/src/KSP_tools/KRPC_intergration/engage_mj_landing.py b/src/KSP_tools/KRPC_intergration/engage_mj_landing.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/KSP_tools/krpc_explore.py b/src/KSP_tools/krpc_explore.py
index bb3a708..cc3d420 100644
--- a/src/KSP_tools/krpc_explore.py
+++ b/src/KSP_tools/krpc_explore.py
@@ -26,4 +26,257 @@ def get_surface_velocity():
     while True:
         velocity = vessel.flight(ref_frame).velocity
         print('Surface velocity = (%.1f, %.1f, %.1f)' % velocity)
-        time.sleep(1)
\ No newline at end of file
+        time.sleep(1)
+
+
+def surface_prograde():
+    conn = krpc.connect(name='Surface prograde')
+    vessel = conn.space_center.active_vessel
+    ap = vessel.auto_pilot
+
+    ap.reference_frame = vessel.surface_velocity_reference_frame
+    ap.target_direction = (0, 1, 0)
+    ap.engage()
+    ap.wait()
+    print('Auto-pilot now pointing prograde in surface reference frame')
+    ap.disengage()
+
+def surface_retrograde():
+    conn = krpc.connect(name='Surface retrograde')
+    vessel = conn.space_center.active_vessel
+    ap = vessel.auto_pilot
+
+    ap.reference_frame = vessel.surface_velocity_reference_frame
+    ap.target_direction = (0, -1, 0)
+    ap.engage()
+    ap.wait()
+    print('Auto-pilot now pointing retrograde in surface reference frame')
+    ap.disengage()
+
+def vessel_available_thrust():
+    conn = krpc.connect(name='Vessel available thrust')
+    vessel = conn.space_center.active_vessel
+
+    while True:
+        thrust = vessel.available_thrust
+        print('Vessel available thrust = %.1f kN' % (thrust / 1000))
+        time.sleep(1)
+
+def auto_land_predictive(host='localhost', port=50000, target_altitude=0.5, target_vspeed=-2.0, safety_margin=5.0, verbose=True):
+    """预测式自动着陆（suicide burn 思路）。
+
+    关键点：
+    1) 速度从接口获取：surface speed 用 flight(surface_frame).speed（标量），垂直速度用 flight(surface_frame).vertical_speed。
+       不再用“高度差/时间差”估算。
+    2) 不再脚本激活即点火；先计算 braking distance，根据可用推力决定何时点火（countdown）。
+
+    近似模型（忽略空气阻力、推力变化、TWR变化导致的积分误差）：
+      a_max_up = max(0, available_thrust/mass - g)
+      braking_distance ≈ (v^2 - vf^2) / (2*a_max_up) + safety_margin
+    当 remaining_alt <= braking_distance 时开始点火。
+
+    燃烧阶段按剩余距离反推所需净向上加速度：
+      a_req_up = max(0, (v^2 - vf^2) / (2*remaining_alt))
+      throttle = (a_req_up + g) * mass / available_thrust
+
+    注：这里 v 取“相对地表速度”的标量（surface speed），更贴近你提到的 get_surface_speed。
+        若需要更精细，可改成取 surface_velocity 向量的径向分量/或用垂直速度替代。
+    """
+    try:
+        import math
+    except Exception:
+        math = None
+
+    if krpc is None:
+        raise RuntimeError('krpc 未安装')
+
+    conn = krpc.connect(name='auto_land_predictive', address=host, rpc_port=port)
+    sc = conn.space_center
+    vessel = sc.active_vessel
+    if vessel is None:
+        conn.close()
+        raise RuntimeError('未找到活动载具')
+
+    status = {'result': 'failed', 'logs': []}
+
+    def _get_g(local_vessel):
+        try:
+            body = local_vessel.orbit.body
+            g = float(getattr(body, 'surface_gravity', 9.81))
+            if g > 0:
+                return g
+        except Exception:
+            pass
+        try:
+            g = float(getattr(local_vessel.flight(), 'surface_gravity', 9.81))
+            if g > 0:
+                return g
+        except Exception:
+            pass
+        return 9.81
+
+    # 使用 body 的 reference_frame 读取 surface speed / vertical_speed（对应 get_surface_speed 思路）
+    try:
+        surface_frame = vessel.orbit.body.reference_frame
+    except Exception:
+        surface_frame = None
+
+    # autopilot 指向 surface retrograde
+    try:
+        ap = vessel.auto_pilot
+        ap.reference_frame = vessel.surface_velocity_reference_frame
+        ap.target_direction = (0, -1, 0)
+        ap.engage()
+    except Exception:
+        ap = None
+
+    def _read_state():
+        """从接口读取状态：alt, surface_speed(标量), vertical_speed, mass, available_thrust, g"""
+        flight = vessel.flight(surface_frame) if surface_frame is not None else vessel.flight()
+        alt = float(getattr(flight, 'surface_altitude', 0.0))
+        srf_speed = float(getattr(flight, 'speed', 0.0))
+        v_speed = float(getattr(flight, 'vertical_speed', 0.0))
+        mass = float(getattr(vessel, 'mass', 0.0))
+        avail_thrust = float(getattr(vessel, 'available_thrust', 0.0))
+        g_local = _get_g(vessel)
+        return alt, srf_speed, v_speed, mass, avail_thrust, g_local
+
+    try:
+        # 初始确保不点火
+        try:
+            vessel.control.throttle = 0.0
+        except Exception:
+            pass
+
+        # 倒计时/等待点火
+        ignited = False
+        last_log_t = 0.0
+        while True:
+            alt, srf_speed, v_speed, mass, avail_thrust, g_local = _read_state()
+            remaining_alt = max(0.0, alt - float(target_altitude))
+
+            # v：使用 surface speed（标量）作为“需要刹掉的速度”
+            v = max(0.0, float(srf_speed))
+            vf = max(0.0, abs(float(target_vspeed)))
+
+            # 若推力不可用，直接点火尝试（避免永远等不到）
+            if mass <= 0 or avail_thrust <= 1e-6:
+                a_max_up = 0.0
+            else:
+                a_max_up = max(0.0, avail_thrust / mass - g_local)
+
+            if a_max_up <= 1e-6:
+                braking_dist = float('inf')
+            else:
+                braking_dist = max(0.0, (v * v - vf * vf) / (2.0 * a_max_up)) + float(safety_margin)
+
+            countdown = None
+            if v > 1e-6 and braking_dist != float('inf'):
+                # 近似把“还剩多少距离”除以当前速度当作倒计时（粗略）
+                countdown = (remaining_alt - braking_dist) / v
+
+            now = time.time()
+            if verbose and now - last_log_t > 0.2:
+                last_log_t = now
+                msg = (
+                    f'WAIT alt={alt:.1f} rem={remaining_alt:.1f} '
+                    f'srf_speed={srf_speed:.2f} vs={v_speed:.2f} '
+                    f'a_max_up={a_max_up:.2f} braking={braking_dist:.1f} '
+                    f'countdown={(countdown if countdown is not None else float("nan")):.2f}'
+                )
+                status['logs'].append(msg)
+                print(msg)
+
+            # 点火条件：进入刹车距离 or 推力未知（inf）但高度很低
+            should_ignite = (remaining_alt <= braking_dist) or (braking_dist == float('inf') and remaining_alt < 200.0)
+            if should_ignite:
+                break
+
+            # 确保仍在滑行
+            try:
+                vessel.control.throttle = 0.0
+            except Exception:
+                pass
+            time.sleep(0.05)
+
+        # 点火
+        try:
+            vessel.control.activate_next_stage()
+        except Exception:
+            pass
+        ignited = True
+
+        # 燃烧闭环：根据 remaining_alt 反推需要的减速度 -> 油门
+        while True:
+            alt, srf_speed, v_speed, mass, avail_thrust, g_local = _read_state()
+            remaining_alt = max(0.0, alt - float(target_altitude))
+
+            v = max(0.0, float(srf_speed))
+            vf = max(0.0, abs(float(target_vspeed)))
+
+            # 终止条件（接地附近 + 速度已足够小）
+            if remaining_alt <= max(0.2, float(target_altitude)) and v <= (vf + 0.5):
+                try:
+                    vessel.control.throttle = 0.0
+                except Exception:
+                    pass
+                status['result'] = 'landed'
+                status['logs'].append('预测着陆完成')
+                if verbose:
+                    print('预测着陆完成')
+                break
+
+            # 计算所需净向上加速度
+            if remaining_alt <= 1e-3:
+                a_req_up = 0.0
+            else:
+                a_req_up = max(0.0, (v * v - vf * vf) / (2.0 * remaining_alt))
+
+            # 推力不足时给满油门
+            if mass <= 0 or avail_thrust <= 1e-6:
+                throttle = 1.0
+            else:
+                throttle = (a_req_up + g_local) * mass / avail_thrust
+
+            throttle = max(0.0, min(1.0, float(throttle)))
+
+            # 低空兜底：高度<5m 且仍很快 -> 满油门
+            if alt < 5.0 and v > 10.0:
+                throttle = 1.0
+
+            try:
+                vessel.control.throttle = throttle
+            except Exception:
+                pass
+
+            if verbose:
+                msg = (
+                    f'BURN alt={alt:.1f} rem={remaining_alt:.1f} '
+                    f'srf_speed={srf_speed:.2f} vs={v_speed:.2f} '
+                    f'a_req_up={a_req_up:.2f} throttle={throttle:.2f}'
+                )
+                status['logs'].append(msg)
+                print(msg)
+
+            time.sleep(0.05)
+
+    finally:
+        try:
+            if ap is not None and hasattr(ap, 'disengage'):
+                try:
+                    ap.disengage()
+                except Exception:
+                    pass
+        except Exception:
+            pass
+        try:
+            conn.close()
+        except Exception:
+            pass
+
+    return status
+
+if __name__ == "__main__":
+    xxx = auto_land_predictive()
+    print(xxx)
+    print('done')
\ No newline at end of file
diff --git a/src/TG_tools/history_message_upload.py b/src/TG_tools/history_message_upload.py
index 6f069d7..98f1702 100644
--- a/src/TG_tools/history_message_upload.py
+++ b/src/TG_tools/history_message_upload.py
@@ -243,7 +243,7 @@ def upload_didi_saved_message_to_db():
 if __name__ == "__main__":
     tg = MessageUploader(
         local_logger=LoggerClass().get_log(logging.DEBUG),
-        local_load_path='E:\\SNSFiles\\ChatExport_2026-01-01',
+        local_load_path='E:\\SNSFiles\\ChatExport_2026-01-02',
         local_file_db_path=project_config['file_db_path'],
         size_limit=0.25
     )