diff --git a/ext_components/cp0_lvgl/include/cp0_lvgl_app.h b/ext_components/cp0_lvgl/include/cp0_lvgl_app.h
index 2dd3d0a..6a601dc 100644
--- a/ext_components/cp0_lvgl/include/cp0_lvgl_app.h
+++ b/ext_components/cp0_lvgl/include/cp0_lvgl_app.h
@@ -182,6 +182,7 @@ int cp0_sudo_run_argv_async_ex(const char *const *argv,
 /* Cancellation is idempotent while a request ID remains in the bounded recent
  * completion history. Returns -ENOENT only for an unknown or expired ID. */
 int cp0_sudo_cancel(uint64_t request_id);
+int cp0_sudo_queue_password(const char *password);
 int cp0_file_read_first_line(const char *path, char *out, int out_size);
 int cp0_desktop_exec_is_safe(const char *exec, char *reason, int reason_size);
 int cp0_network_default_info_read(cp0_eth_info_t *info);
diff --git a/ext_components/cp0_lvgl/include/keyboard_input.h b/ext_components/cp0_lvgl/include/keyboard_input.h
index 0f7f408..55bda15 100644
--- a/ext_components/cp0_lvgl/include/keyboard_input.h
+++ b/ext_components/cp0_lvgl/include/keyboard_input.h
@@ -41,6 +41,7 @@ extern volatile uint32_t LV_EVENT_KEYBOARD;
 
 void *keyboard_read_thread(void *argv);
 int cp0_keyboard_inject(uint32_t key_code, int key_state, uint32_t mods);
+int cp0_keyboard_inject_text(const char *utf8);
 const char *kbd_state_name(int state);
 void kbd_dump_keymap_table(void);
 #ifdef __cplusplus
diff --git a/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_keyboard.c b/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_keyboard.c
index cfb3b56..9496f8c 100644
--- a/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_keyboard.c
+++ b/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_keyboard.c
@@ -576,6 +576,32 @@ int cp0_keyboard_inject(uint32_t key_code, int key_state, uint32_t mods)
     return 0;
 }
 
+int cp0_keyboard_inject_text(const char *utf8)
+{
+    if (!utf8)
+        return -1;
+
+    const unsigned char *cursor = (const unsigned char *)utf8;
+    while (*cursor) {
+        size_t length = 1;
+        if ((*cursor & 0xe0) == 0xc0) length = 2;
+        else if ((*cursor & 0xf0) == 0xe0) length = 3;
+        else if ((*cursor & 0xf8) == 0xf0) length = 4;
+
+        for (size_t i = 1; i < length; ++i)
+            if (!cursor[i] || (cursor[i] & 0xc0) != 0x80)
+                return -1;
+
+        struct key_item item = {0};
+        item.key_state = KBD_KEY_RELEASED;
+        memcpy(item.utf8, cursor, length);
+        snprintf(item.sym_name, sizeof(item.sym_name), "RPC_TEXT");
+        enqueue_key(&item);
+        cursor += length;
+    }
+    return 0;
+}
+
 /* ============================================================
  *  Key repeat control
  * ============================================================ */
diff --git a/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_rpc.cpp b/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_rpc.cpp
index 752db46..ff9ac73 100644
--- a/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_rpc.cpp
+++ b/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_rpc.cpp
@@ -1,4 +1,5 @@
 #include "cp0_lvgl.h"
+#include "cp0_lvgl_app.h"
 
 #ifndef CP0_LVGL_USE_ZMQ_RPC
 #define CP0_LVGL_USE_ZMQ_RPC 0
@@ -47,6 +48,13 @@ const char *env_or_default(const char *name, const char *fallback)
     return value && value[0] ? value : fallback;
 }
 
+void secure_clear(std::string &value)
+{
+    volatile char *data = value.empty() ? nullptr : &value[0];
+    for (size_t i = 0; data && i < value.size(); ++i) data[i] = 0;
+    value.clear();
+}
+
 bool capture_ppm(std::vector<uint8_t> &out, std::string &error)
 {
     const char *device = env_or_default("APPLAUNCH_LINUX_FBDEV_DEVICE", "/dev/fb0");
@@ -186,6 +194,38 @@ void rpc_broker(std::shared_ptr<zmq::context_t> context)
                 send_text(rep, "OK key");
                 continue;
             }
+            if (command == "text") {
+                std::string value;
+                std::getline(input, value);
+                if (!value.empty() && value.front() == ' ') value.erase(0, 1);
+                if (value.empty()) {
+                    send_text(rep, "ERR usage: text <utf8>");
+                    continue;
+                }
+                if (cp0_keyboard_inject_text(value.c_str()) != 0) {
+                    send_text(rep, "ERR invalid utf8 text");
+                    continue;
+                }
+                send_text(rep, "OK text");
+                continue;
+            }
+            if (command == "password") {
+                std::string value;
+                std::getline(input, value);
+                if (!value.empty() && value.front() == ' ') value.erase(0, 1);
+                if (value.empty()) {
+                    send_text(rep, "ERR usage: password <value>");
+                    continue;
+                }
+                const int result = cp0_sudo_queue_password(value.c_str());
+                secure_clear(value);
+                if (result != 0) {
+                    send_text(rep, "ERR unable to queue password " + std::to_string(result));
+                    continue;
+                }
+                send_text(rep, "OK password");
+                continue;
+            }
             if (command == "screenshot") {
                 std::vector<uint8_t> ppm;
                 std::string error;
diff --git a/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_settings.cpp b/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_settings.cpp
index b2a5b02..1977145 100644
--- a/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_settings.cpp
+++ b/ext_components/cp0_lvgl/src/cp0/cp0_lvgl_settings.cpp
@@ -34,6 +34,12 @@ struct ExtPortGpioMap {
 static constexpr const char *kHwIdPath = "/proc/cardputerzero_hw_id";
 static constexpr ExtPortGpioMap kCardputerZeroGpioMap = {"/dev/gpiochip1", 3, 12, false, false};
 static constexpr ExtPortGpioMap kFallbackGpioMap = {"/dev/gpiochip0", 17, 5, false, true};
+static constexpr const char *kGrove5vLedPaths[] = {
+    "/sys/class/leds/grove_5v_out/brightness",
+};
+static constexpr const char *kExt5vLedPaths[] = {
+    "/sys/class/leds/ext_5v_out/brightness",
+};
 
 static int gpio_v2_get_value(int line_fd);
 
@@ -217,22 +223,40 @@ class SettingsSystem
     int set_named_gpio(const char *name, int val)
     {
         std::lock_guard<std::mutex> lock(gpio_mutex_);
-        const ExtPortGpioMap &map = active_gpio_map_locked();
-        if (is_grove5v_name(name))
+        if (is_grove5v_name(name)) {
+            int ret = write_led_value(kGrove5vLedPaths, val);
+            if (ret != -ENOENT)
+                return ret;
+            const ExtPortGpioMap &map = active_gpio_map_locked();
             return set_gpio_value(map.chip_path, map.grove5v_line, map.grove5v_active_low, "GROVE5V", val);
-        if (is_ext5v_name(name))
+        }
+        if (is_ext5v_name(name)) {
+            int ret = write_led_value(kExt5vLedPaths, val);
+            if (ret != -ENOENT)
+                return ret;
+            const ExtPortGpioMap &map = active_gpio_map_locked();
             return set_gpio_value(map.chip_path, map.ext5v_line, map.ext5v_active_low, "EXT5V", val);
+        }
         return -EINVAL;
     }
 
     int get_named_gpio(const char *name)
     {
         std::lock_guard<std::mutex> lock(gpio_mutex_);
-        const ExtPortGpioMap &map = active_gpio_map_locked();
-        if (is_grove5v_name(name))
+        if (is_grove5v_name(name)) {
+            int value = read_led_value(kGrove5vLedPaths);
+            if (value != -ENOENT)
+                return value;
+            const ExtPortGpioMap &map = active_gpio_map_locked();
             return get_gpio_value(map.chip_path, map.grove5v_line, map.grove5v_active_low, "GROVE5V");
-        if (is_ext5v_name(name))
+        }
+        if (is_ext5v_name(name)) {
+            int value = read_led_value(kExt5vLedPaths);
+            if (value != -ENOENT)
+                return value;
+            const ExtPortGpioMap &map = active_gpio_map_locked();
             return get_gpio_value(map.chip_path, map.ext5v_line, map.ext5v_active_low, "EXT5V");
+        }
         return -EINVAL;
     }
 
@@ -260,6 +284,48 @@ class SettingsSystem
         return value < 0 ? value : (value ^ (active_low ? 1 : 0));
     }
 
+    template <size_t N>
+    static int write_led_value(const char *const (&paths)[N], int val)
+    {
+        const char value = val ? '1' : '0';
+        for (const char *path : paths) {
+            int fd = open(path, O_WRONLY | O_CLOEXEC);
+            if (fd < 0) {
+                if (errno == ENOENT)
+                    continue;
+                return -errno;
+            }
+            ssize_t written = write(fd, &value, 1);
+            int err = written == 1 ? 0 : (written < 0 ? errno : EIO);
+            close(fd);
+            return -err;
+        }
+        return -ENOENT;
+    }
+
+    template <size_t N>
+    static int read_led_value(const char *const (&paths)[N])
+    {
+        for (const char *path : paths) {
+            int fd = open(path, O_RDONLY | O_CLOEXEC);
+            if (fd < 0) {
+                if (errno == ENOENT)
+                    continue;
+                return -errno;
+            }
+            char buf[16] = {};
+            ssize_t size = read(fd, buf, sizeof(buf) - 1);
+            int err = size >= 0 ? 0 : errno;
+            close(fd);
+            if (err != 0)
+                return -err;
+            if (size == 0)
+                return -EIO;
+            return std::strtol(buf, nullptr, 10) != 0 ? 1 : 0;
+        }
+        return -ENOENT;
+    }
+
     static int config_get_int(const char *key, int default_val)
     {
         int val = default_val;
diff --git a/ext_components/cp0_lvgl/src/cp0_sudo_async.cpp b/ext_components/cp0_lvgl/src/cp0_sudo_async.cpp
index 2d40a56..ca32c41 100644
--- a/ext_components/cp0_lvgl/src/cp0_sudo_async.cpp
+++ b/ext_components/cp0_lvgl/src/cp0_sudo_async.cpp
@@ -18,6 +18,7 @@
 #include <cstring>
 #include <iterator>
 #include <memory>
+#include <mutex>
 #include <new>
 #include <string>
 #include <thread>
@@ -60,6 +61,9 @@ lv_group_t *g_prompt_group = nullptr;
 lv_timer_t *g_timer = nullptr;
 std::shared_ptr<Request> g_prompt_request;
 std::string g_password;
+std::mutex g_queued_password_mutex;
+std::string g_queued_password;
+int64_t g_queued_password_deadline_ms = 0;
 
 int64_t now_ms()
 {
@@ -142,6 +146,30 @@ bool authentication_error(const std::string &output)
 
 void key_event_cb(lv_event_t *event);
 void execute_actions(std::vector<Action> actions);
+void submit_password();
+void apply_queued_password(void *);
+
+void clear_queued_password()
+{
+    std::lock_guard<std::mutex> lock(g_queued_password_mutex);
+    secure_clear(g_queued_password);
+    g_queued_password_deadline_ms = 0;
+}
+
+bool take_queued_password(std::string &password)
+{
+    std::lock_guard<std::mutex> lock(g_queued_password_mutex);
+    if (g_queued_password.empty()) return false;
+    if (g_queued_password_deadline_ms > 0 && now_ms() > g_queued_password_deadline_ms) {
+        secure_clear(g_queued_password);
+        g_queued_password_deadline_ms = 0;
+        return false;
+    }
+    password = std::move(g_queued_password);
+    g_queued_password.clear();
+    g_queued_password_deadline_ms = 0;
+    return true;
+}
 
 void destroy_prompt()
 {
@@ -158,6 +186,7 @@ void destroy_prompt()
     g_hint_label = nullptr;
     g_prompt_request.reset();
     secure_clear(g_password);
+    clear_queued_password();
 }
 
 void update_password_label()
@@ -217,6 +246,7 @@ void create_prompt(const std::shared_ptr<Request> &request)
     lv_group_add_obj(g_prompt_group, g_overlay);
     lv_group_set_default(g_prompt_group);
     if (lv_indev_t *indev = lv_indev_get_next(nullptr)) lv_indev_set_group(indev, g_prompt_group);
+    lv_async_call(apply_queued_password, nullptr);
 }
 
 void show_auth_error(const std::shared_ptr<Request> &request)
@@ -301,41 +331,31 @@ void run_worker(std::shared_ptr<Request> request, std::string password)
     if (!resolve_run_user(identity)) exit_code = -EPERM;
     else {
         std::string password_line = password + "\n";
-        int auth_timeout = request->auth_timeout_ms;
-        if (auth_timeout > 0)
-            auth_timeout = static_cast<int>(std::max<int64_t>(1, request->deadline_ms - now_ms()));
-        auto auth = cp0_runner::run({"sudo", "-k", "-S", "-p", "", "-v"},
-            &password_line, {}, &request->cancel_requested, auth_timeout,
-            kMaxCapturedOutputBytes, identity.uid, identity.gid, identity.name,
-            identity.home, identity.shell);
-        secure_clear(password_line);
-        if (auth.exit_code != 0) {
-            exit_code = auth.exit_code;
-            result = auth.exit_code == -ECANCELED ? CP0_SUDO_RESULT_CANCELLED :
-                     auth.exit_code == -ETIMEDOUT ? CP0_SUDO_RESULT_TIMED_OUT :
-                     authentication_error(auth.output) ? CP0_SUDO_RESULT_AUTH_FAILED :
-                     CP0_SUDO_RESULT_EXEC_FAILED;
-            auto actions = g_coordinator.worker_auth_result(request->id, result, exit_code, now_ms());
-            secure_clear(password);
-            if (!actions.empty() && !post_actions(actions))
-                g_coordinator.requeue_actions(std::move(actions));
-            return;
-        }
         std::vector<std::string> command;
         if (request->use_login_shell)
-            command = {"sudo", "-n", "--", identity.shell, "-c", request->argv.front()};
+            command = {"sudo", "-k", "-S", "-p", "", "--", identity.shell, "-c",
+                       request->argv.front()};
         else {
-            command = {"sudo", "-n", "--"};
+            command = {"sudo", "-k", "-S", "-p", "", "--"};
             command.insert(command.end(), request->argv.begin(), request->argv.end());
         }
-        auto execution = cp0_runner::run(std::move(command), nullptr,
+        auto execution = cp0_runner::run(std::move(command), &password_line,
             [request](const char *data, size_t size) { stream_output(request, data, size); },
             &request->cancel_requested, request->exec_timeout_ms, kMaxCapturedOutputBytes,
             identity.uid, identity.gid, identity.name, identity.home, identity.shell);
+        secure_clear(password_line);
         exit_code = execution.exit_code;
         result = exit_code == -ECANCELED ? CP0_SUDO_RESULT_CANCELLED :
                  exit_code == -ETIMEDOUT ? CP0_SUDO_RESULT_TIMED_OUT :
+                 authentication_error(execution.output) ? CP0_SUDO_RESULT_AUTH_FAILED :
                  exit_code == 0 ? CP0_SUDO_RESULT_SUCCESS : CP0_SUDO_RESULT_EXEC_FAILED;
+        if (result == CP0_SUDO_RESULT_AUTH_FAILED) {
+            auto actions = g_coordinator.worker_auth_result(request->id, result, exit_code, now_ms());
+            secure_clear(password);
+            if (!actions.empty() && !post_actions(actions))
+                g_coordinator.requeue_actions(std::move(actions));
+            return;
+        }
     }
 #endif
     secure_clear(password);
@@ -398,6 +418,18 @@ void submit_password()
     execute_actions(g_coordinator.submit_password(g_prompt_request->id));
 }
 
+void apply_queued_password(void *)
+{
+    if (!g_prompt_request || g_coordinator.state(g_prompt_request->id) != cp0_sudo::State::PROMPT)
+        return;
+    std::string password;
+    if (!take_queued_password(password)) return;
+    secure_clear(g_password);
+    g_password = std::move(password);
+    update_password_label();
+    submit_password();
+}
+
 void key_event_cb(lv_event_t *event)
 {
     auto *key = static_cast<key_item *>(lv_event_get_param(event));
@@ -516,6 +548,24 @@ extern "C" int cp0_sudo_cancel(uint64_t request_id)
     return 0;
 }
 
+extern "C" int cp0_sudo_queue_password(const char *password)
+{
+    if (!password || !password[0]) return -EINVAL;
+    const size_t length = std::strlen(password);
+    if (length > kMaxPasswordBytes) return -E2BIG;
+    {
+        std::lock_guard<std::mutex> lock(g_queued_password_mutex);
+        secure_clear(g_queued_password);
+        g_queued_password.assign(password, length);
+        g_queued_password_deadline_ms = now_ms() + 60000;
+    }
+    if (lv_async_call(apply_queued_password, nullptr) != LV_RESULT_OK) {
+        clear_queued_password();
+        return -EIO;
+    }
+    return 0;
+}
+
 extern "C" void init_sudo_signals(void)
 {
     cp0_signal_sudo_argv_async.append([](std::list<std::string> args, int auth_timeout_ms,
diff --git a/projects/APPLaunch/main/src/main.cpp b/projects/APPLaunch/main/src/main.cpp
index 5100b50..b3a6b13 100644
--- a/projects/APPLaunch/main/src/main.cpp
+++ b/projects/APPLaunch/main/src/main.cpp
@@ -1,3 +1,7 @@
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
 /*
  * SPDX-FileCopyrightText: 2026 M5Stack Technology CO LTD
  *
@@ -7,6 +11,7 @@
 #include "lvgl/lvgl.h"
 #include "lvgl/demos/lv_demos.h"
 #include <stdio.h>
+#include <errno.h>
 #include <chrono>
 #include <string>
 #include <semaphore.h>
@@ -26,6 +31,28 @@
 
 static sem_t lvgl_sem;
 
+static void lvgl_wait(uint32_t milliseconds)
+{
+    struct timespec deadline;
+#if defined(__linux__)
+    clock_gettime(CLOCK_MONOTONIC, &deadline);
+#else
+    clock_gettime(CLOCK_REALTIME, &deadline);
+#endif
+    deadline.tv_nsec += (milliseconds % 1000) * 1000000;
+    deadline.tv_sec += milliseconds / 1000 + deadline.tv_nsec / 1000000000;
+    deadline.tv_nsec %= 1000000000;
+
+    int result;
+    do {
+#if defined(__linux__)
+        result = sem_clockwait(&lvgl_sem, CLOCK_MONOTONIC, &deadline);
+#else
+        result = sem_timedwait(&lvgl_sem, &deadline);
+#endif
+    } while (result != 0 && errno == EINTR);
+}
+
 static void lvgl_resume_cb(void *data) {
     sem_post(&lvgl_sem);
 }
@@ -60,12 +87,7 @@ int main(void)
         if (ms == LV_NO_TIMER_READY) {
             sem_wait(&lvgl_sem);      // 无定时器，阻塞等事件
         } else {
-            struct timespec ts;
-            clock_gettime(CLOCK_REALTIME, &ts);
-            ts.tv_nsec += (ms % 1000) * 1000000;
-            ts.tv_sec += ms / 1000 + ts.tv_nsec / 1000000000;
-            ts.tv_nsec %= 1000000000;
-            sem_timedwait(&lvgl_sem, &ts);  // 定时唤醒 或 被事件提前唤醒
+            lvgl_wait(ms);  // 定时唤醒或被事件提前唤醒，不受系统时间调整影响
         }
     }
 
diff --git a/scripts/cp0_rpc.py b/scripts/cp0_rpc.py
index 4fbbd46..2d8f8cf 100644
--- a/scripts/cp0_rpc.py
+++ b/scripts/cp0_rpc.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import argparse
+import getpass
 import pathlib
 import sys
 import time
@@ -52,6 +53,10 @@ def main() -> int:
     tap = sub.add_parser("tap")
     tap.add_argument("key", type=key_code)
     tap.add_argument("--duration", type=float, default=0.08)
+    text = sub.add_parser("text")
+    text.add_argument("value")
+    password = sub.add_parser("password")
+    password.add_argument("value", nargs="?")
     hold = sub.add_parser("hold")
     hold.add_argument("key", type=key_code)
     hold.add_argument("seconds", type=float)
@@ -80,6 +85,11 @@ def main() -> int:
             send_key(socket, args.key, 1)
             time.sleep(max(0.0, args.duration))
             send_key(socket, args.key, 0)
+        elif args.command == "text":
+            request(socket, f"text {args.value}")
+        elif args.command == "password":
+            value = args.value if args.value is not None else getpass.getpass("Password: ")
+            request(socket, f"password {value}")
         elif args.command == "hold":
             send_key(socket, args.key, 1)
             try: