diff --git a/src/invicta_deploy/include/config/deploy_config.h b/src/invicta_deploy/include/config/deploy_config.h
index 3817715..7585832 100644
--- a/src/invicta_deploy/include/config/deploy_config.h
+++ b/src/invicta_deploy/include/config/deploy_config.h
@@ -163,17 +163,17 @@ inline bool DeployConfig::Load(const std::string& path, std::string* error) {
     try {
         tbl = toml::parse_file(path);
     } catch (const toml::parse_error& e) {
-        return fail(std::string("TOML 解析失败: ") + std::string(e.description()) + " @ " + path);
+        return fail(std::string("TOML parse failed: ") + std::string(e.description()) + " @ " + path);
     }
 
     const toml::table* robot = detail::Section(tbl, "robot");
-    if (!robot) return fail("缺少 [robot] 段");
+    if (!robot) return fail("missing [robot] section");
     detail::GetStr(robot, "name", robot_name);
     detail::GetStr(robot, "version", robot_version);
     detail::GetStrArr(robot, "joint_names", joint_names);
-    if (joint_names.empty()) return fail("[robot].joint_names 为空");
+    if (joint_names.empty()) return fail("[robot].joint_names is empty");
     dof = int(joint_names.size());
-    if (dof % 2 != 0) return fail("joint_names 数量必须是偶数（每腿 摆臂+轮）");
+    if (dof % 2 != 0) return fail("joint_names count must be even (one swing + one wheel per leg)");
 
     std::vector<double> lower, upper, vel_limit;
     const toml::table* limits = detail::Section(tbl, "joint_limits");
@@ -181,7 +181,7 @@ inline bool DeployConfig::Load(const std::string& path, std::string* error) {
     detail::GetDoubleArr(limits, "upper", upper);
     detail::GetDoubleArr(limits, "vel_limit", vel_limit);
     if (int(lower.size()) != dof || int(upper.size()) != dof || int(vel_limit.size()) != dof) {
-        return fail("[joint_limits] 的 lower/upper/vel_limit 长度必须等于关节数量");
+        return fail("[joint_limits] lower/upper/vel_limit length must equal joint count");
     }
     joints.assign(size_t(dof), JointSpec{});
     for (int i = 0; i < dof; ++i) {
@@ -204,7 +204,7 @@ inline bool DeployConfig::Load(const std::string& path, std::string* error) {
             leg.swing_index = IndexOf(leg.swing_joint);
             leg.wheel_index = IndexOf(leg.wheel_joint);
             if (leg.swing_index < 0 || leg.wheel_index < 0) {
-                return fail("[[legs]] " + leg.name + " 的 swing_joint/wheel_joint 不在 joint_names 里");
+                return fail("[[legs]] " + leg.name + " swing_joint/wheel_joint not in joint_names");
             }
             joints[size_t(leg.swing_index)].leg = int(legs.size());
             joints[size_t(leg.wheel_index)].leg = int(legs.size());
@@ -212,8 +212,8 @@ inline bool DeployConfig::Load(const std::string& path, std::string* error) {
             legs.push_back(leg);
         }
     }
-    if (legs.empty()) return fail("缺少 [[legs]] 段");
-    if (int(legs.size()) * 2 != dof) return fail("腿数与关节数不匹配（每腿 2 个关节）");
+    if (legs.empty()) return fail("missing [[legs]] section");
+    if (int(legs.size()) * 2 != dof) return fail("leg count does not match joint count (2 joints per leg)");
 
     const toml::table* gc = detail::Section(tbl, "leg");
     detail::Get(gc, "swing_link_len", swing_link_len);
@@ -235,12 +235,12 @@ inline bool DeployConfig::Load(const std::string& path, std::string* error) {
     detail::Get(gains, "damping_kd_wheel", damping_kd_wheel);
     detail::GetBool(gains, "wheel_kp_zero", wheel_kp_zero);
 
-    if (swing_link_len <= 1e-6) return fail("[leg].swing_link_len 必须 > 0");
+    if (swing_link_len <= 1e-6) return fail("[leg].swing_link_len must be > 0");
     for (const auto& pair : {std::make_pair("stand_height", stand_height),
                              std::make_pair("pre_height", pre_height),
                              std::make_pair("lie_height", lie_height)}) {
         if (pair.second > swing_link_len) {
-            return fail(std::string("[leg].") + pair.first + " 大于 swing_link_len，物理上不可达");
+            return fail(std::string("[leg].") + pair.first + " greater than swing_link_len, physically unreachable");
         }
     }
 
@@ -264,14 +264,14 @@ inline bool DeployConfig::Load(const std::string& path, std::string* error) {
         detail::GetDoubleArr(pol, "kp", policy_kp);
         detail::GetDoubleArr(pol, "kd", policy_kd);
         if (policy_joint_order.empty()) policy_joint_order = joint_names;
-        if (int(policy_joint_order.size()) != dof) return fail("[policy].joint_order 长度必须等于关节数量");
+        if (int(policy_joint_order.size()) != dof) return fail("[policy].joint_order length must equal joint count");
         for (const auto& n : policy_joint_order) {
-            if (IndexOf(n) < 0) return fail("[policy].joint_order 里的 " + n + " 不在 joint_names 里");
+            if (IndexOf(n) < 0) return fail("[policy].joint_order entry " + n + " not in joint_names");
         }
         action_dim = dof;
         for (const auto& arr : {&action_scale, &default_joint_pos, &policy_kp, &policy_kd}) {
             if (int(arr->size()) != action_dim) {
-                return fail("[policy] 的 action_scale/default_joint_pos/kp/kd 长度必须等于关节数量");
+                return fail("[policy] action_scale/default_joint_pos/kp/kd length must equal joint count");
             }
         }
         obs_dim = 9 + 3 * action_dim;  // 角速度(3) + 投影重力(3) + 速度指令(3) + 关节角 + 关节速度 + 上一步动作
@@ -285,7 +285,7 @@ inline bool DeployConfig::Load(const std::string& path, std::string* error) {
                 try {
                     gait_policies[uint32_t(std::stoul(std::string(k.str())))] = v.value_or(std::string{});
                 } catch (const std::exception&) {
-                    return fail("[gait.policies] 的键必须能转成整数步态值");
+                    return fail("[gait.policies] key must convert to an integer gait value");
                 }
             }
         }
@@ -320,7 +320,7 @@ inline std::string DeployConfig::Summary() const {
     for (size_t i = 0; i < legs.size(); ++i) {
         const double sw = SwingAngleForHeight(stand_height, int(i));
         const double li = SwingAngleForHeight(lie_height, int(i));
-        snprintf(buf, sizeof(buf), "[config]   %s splay=%+.0f 站立摆臂=%+.1f° 趴下=%+.1f°\n",
+        snprintf(buf, sizeof(buf), "[config]   %s splay=%+.0f stand swing=%+.1f deg lie down=%+.1f deg\n",
                  legs[i].name.c_str(), legs[i].splay_sign, sw * 180. / M_PI, li * 180. / M_PI);
         s += buf;
     }
diff --git a/src/invicta_deploy/include/utils/safe_controller.hpp b/src/invicta_deploy/include/utils/safe_controller.hpp
index 9198873..9153243 100644
--- a/src/invicta_deploy/include/utils/safe_controller.hpp
+++ b/src/invicta_deploy/include/utils/safe_controller.hpp
@@ -216,7 +216,7 @@ private:
         }
 
         if (robot_error_state_.motor_heat_warn) {
-            std::cout << "Motor overheat warning: motor " << max_temp_idx_ << " reached " << max_temp_ << "°C"
+            std::cout << "Motor overheat warning: motor " << max_temp_idx_ << " reached " << max_temp_ << " C"
                       << std::endl;
         }
 
diff --git a/src/invicta_deploy/interface/robot/hardware/invicta_interface.hpp b/src/invicta_deploy/interface/robot/hardware/invicta_interface.hpp
index 4790fdd..5b323b9 100644
--- a/src/invicta_deploy/interface/robot/hardware/invicta_interface.hpp
+++ b/src/invicta_deploy/interface/robot/hardware/invicta_interface.hpp
@@ -34,7 +34,7 @@ public:
     InvictaInterface(const std::string& robot_name, int dof_num)
         : RobotInterface(robot_name, dof_num), cfg_(invicta::Config()) {
         if (dof_num_ != cfg_.dof) {
-            ROS_WARN("[InvictaInterface] 传入 dof=%d 与配置的 %d 不一致，按配置执行", dof_num_, cfg_.dof);
+            ROS_WARN("[InvictaInterface] passed dof=%d does not match configured %d, using config value", dof_num_, cfg_.dof);
         }
         joint_pos_ = VecXf::Zero(dof_num_);
         joint_vel_ = VecXf::Zero(dof_num_);
@@ -58,7 +58,7 @@ public:
         SendStartupSequence();
         std::cout << "[InvictaInterface] topics: " << cfg_.topic_joint_states << " / " << cfg_.topic_imu << " -> "
                   << cfg_.topic_joint_commands << std::endl;
-        std::cout << "[InvictaInterface] 模型帧透传：dir/offset 由 invicta_hardware 施加" << std::endl;
+        std::cout << "[InvictaInterface] model frame passthrough: dir/offset applied by invicta_hardware" << std::endl;
     }
 
     virtual void Stop() {}
@@ -124,21 +124,21 @@ protected:
             ros::Duration(0.01).sleep();
         }
         if (cmd_pub_.getNumSubscribers() == 0) {
-            std::cout << "[InvictaInterface] 警告：joint_commands 还没有订阅者，启动时序可能丢失" << std::endl;
+            std::cout << "[InvictaInterface] warning: joint_commands has no subscribers yet, startup sequence may be lost" << std::endl;
         }
         const uint16_t seq[] = {invicta_msgs::kDisable, invicta_msgs::kErrorReset, invicta_msgs::kEnable};
         for (uint16_t word : seq) {
             PublishRawCommand(word);
             ros::Duration(0.01).sleep();
         }
-        std::cout << "[InvictaInterface] 启动控制序列完成 (disable -> error_reset -> enable)" << std::endl;
+        std::cout << "[InvictaInterface] startup control sequence complete (disable -> error_reset -> enable)" << std::endl;
     }
 
     // ------------------------------------------------------------------ 回调
     void JointStateHandler(const sensor_msgs::JointState::ConstPtr& msg) {
         const size_t n = size_t(dof_num_);
         if (msg->position.size() != n || msg->velocity.size() != n || msg->effort.size() != n) {
-            ROS_WARN_THROTTLE(5.0, "[InvictaInterface] %s 长度应为 %d，收到 pos=%zu vel=%zu eff=%zu，丢帧",
+            ROS_WARN_THROTTLE(5.0, "[InvictaInterface] %s length should be %d, got pos=%zu vel=%zu eff=%zu, dropping frame",
                               cfg_.topic_joint_states.c_str(), dof_num_, msg->position.size(), msg->velocity.size(),
                               msg->effort.size());
             return;
@@ -159,11 +159,11 @@ protected:
         }
         if (!by_name && !warned_name_mismatch_) {
             warned_name_mismatch_ = true;
-            ROS_WARN("[InvictaInterface] %s 未按约定给出 %d 个 name，按数组下标解析",
+            ROS_WARN("[InvictaInterface] %s did not provide the agreed %d names, resolving by array index",
                      cfg_.topic_joint_states.c_str(), dof_num_);
         }
         if (unknown > 0) {
-            ROS_WARN_THROTTLE(5.0, "[InvictaInterface] %s 有 %d 个关节名不认识，已忽略",
+            ROS_WARN_THROTTLE(5.0, "[InvictaInterface] %s has %d unknown joint names, ignored",
                               cfg_.topic_joint_states.c_str(), unknown);
         }
 
@@ -182,7 +182,7 @@ protected:
         if (msg->orientation_covariance[0] == -1.0) {
             if (!warned_imu_no_orientation_) {
                 warned_imu_no_orientation_ = true;
-                ROS_WARN("[InvictaInterface] %s 没有提供 orientation（covariance=-1），姿态观测无效",
+                ROS_WARN("[InvictaInterface] %s did not provide orientation (covariance=-1), attitude observation invalid",
                          cfg_.topic_imu.c_str());
             }
             return;
@@ -190,7 +190,7 @@ protected:
         Eigen::Quaternionf q(float(msg->orientation.w), float(msg->orientation.x), float(msg->orientation.y),
                              float(msg->orientation.z));
         if (q.norm() < 1e-6f) {
-            ROS_WARN_THROTTLE(5.0, "[InvictaInterface] %s 四元数模长近零，忽略该帧", cfg_.topic_imu.c_str());
+            ROS_WARN_THROTTLE(5.0, "[InvictaInterface] %s quaternion norm near zero, ignoring this frame", cfg_.topic_imu.c_str());
             return;
         }
         q.normalize();
diff --git a/src/invicta_deploy/interface/user_command/ros_command_interface.hpp b/src/invicta_deploy/interface/user_command/ros_command_interface.hpp
index 085d81d..ceed971 100644
--- a/src/invicta_deploy/interface/user_command/ros_command_interface.hpp
+++ b/src/invicta_deploy/interface/user_command/ros_command_interface.hpp
@@ -47,12 +47,12 @@ public:
 
     void Start() override {
         if (msfb_) msfb_->UpdateCurrentGait(uint32_t(default_gait_));
-        std::cout << "\n╔════════════════════════════════════════════════╗\n"
-                  << "║          INVICTA MOTION COMMAND LINK           ║\n"
-                  << "╚════════════════════════════════════════════════╝\n"
-                  << "  指令来源: " << topic_ << "（由 invicta_remote 发布）\n"
-                  << "  默认步态: " << GaitName(uint32_t(default_gait_)) << "\n"
-                  << "  已支持步态: " << SupportedGaitList() << "\n\n";
+        std::cout << "\n+==================================================+\n"
+                  << "|           INVICTA MOTION COMMAND LINK           |\n"
+                  << "+==================================================+\n"
+                  << "  Command source: " << topic_ << " (published by invicta_remote)\n"
+                  << "  Default gait: " << GaitName(uint32_t(default_gait_)) << "\n"
+                  << "  Supported gaits: " << SupportedGaitList() << "\n\n";
     }
 
     void Stop() override {}
@@ -61,7 +61,7 @@ public:
 
 private:
     std::string SupportedGaitList() const {
-        if (!loaded_gaits_ || loaded_gaits_->empty()) return "(无)";
+        if (!loaded_gaits_ || loaded_gaits_->empty()) return "(none)";
         std::string s;
         for (int gait : *loaded_gaits_) {
             char buf[16];
@@ -83,39 +83,39 @@ private:
 
         switch (int(target)) {
             case kMotionStanding:
-                name = "站立";
+                name = "stand up";
                 next = uint8_t(RobotMotionState::StandingUp);
                 accepted = (cur == RobotMotionState::WaitingForStand || cur == RobotMotionState::LieDown);
                 break;
             case kMotionJointDamping:
-                name = "关节阻尼";
+                name = "joint damping";
                 next = uint8_t(RobotMotionState::JointDamping);
                 accepted = true;
                 break;
             case kMotionBootDamping:
-                name = "开机阻尼(按关节阻尼处理)";
+                name = "boot damping (handled as joint damping)";
                 next = uint8_t(RobotMotionState::JointDamping);
                 accepted = true;
                 break;
             case kMotionLieDown:
-                name = "趴下";
+                name = "lie down";
                 next = uint8_t(RobotMotionState::LieDown);
                 accepted = (cur == RobotMotionState::StandingUp || cur == RobotMotionState::RLControlMode);
                 break;
             case kMotionRlControl:
-                name = "RL控制";
+                name = "RL control";
                 next = uint8_t(RobotMotionState::RLControlMode);
                 accepted = (cur == RobotMotionState::StandingUp);
                 break;
             case kMotionIdle:
                 // 状态机没有「直接回空闲」的路径（RL / 站立只能经阻尼或趴下退出），不作为请求
                 if (last_request_ != kMotionIdle) {
-                    std::cout << "[MODE] 空闲(0)：不作为切换请求（退出 RL 请先切关节阻尼或趴下）" << std::endl;
+                    std::cout << "[MODE] idle (0): not treated as a switch request (to exit RL, switch to joint damping or lie down first)" << std::endl;
                 }
                 last_request_ = kMotionIdle;
                 return false;
             default:
-                std::cout << "[MODE] 未知目标状态 " << int(target) << "（来自 " << src << "）" << std::endl;
+                std::cout << "[MODE] unknown target state " << int(target) << " (from " << src << ")" << std::endl;
                 return false;
         }
 
@@ -127,9 +127,9 @@ private:
 
         if (accepted) {
             usr_cmd_->target_mode = next;
-            if (last_request_ != target) std::cout << "[MODE] " << name << "（来自 " << src << "）" << std::endl;
+            if (last_request_ != target) std::cout << "[MODE] " << name << " (from " << src << ")" << std::endl;
         } else if (last_request_ != target) {
-            std::cout << "[MODE] 拒绝 " << name << "（来自 " << src << "，当前状态 " << int(cur) << "）" << std::endl;
+            std::cout << "[MODE] reject " << name << " (from " << src << ", current state " << int(cur) << ")" << std::endl;
         }
         last_request_ = target;
         return accepted;
@@ -145,14 +145,14 @@ private:
         if (gait == 0 || gait == last_gait_request_) return;
         // 只有"启动时真的加载了模型"的步态才接受；否则状态会上报未切换，而不是假成功
         if (!loaded_gaits_ || loaded_gaits_->count(int(gait)) == 0) {
-            std::cout << "[GAIT] 拒绝 " << GaitName(gait) << "（来自 " << src
-                      << "）：该步态没有对应的 RL 模型（启动时未加载，见 gait/policy_map）" << std::endl;
+            std::cout << "[GAIT] reject " << GaitName(gait) << " (from " << src
+                      << "): this gait has no corresponding RL model (not loaded at startup, see gait/policy_map)" << std::endl;
             last_gait_request_ = gait;
             return;
         }
         usr_cmd_->gait = gait;
         if (msfb_) msfb_->UpdateCurrentGait(gait);
-        std::cout << "[GAIT] " << GaitName(gait) << "（来自 " << src << "），实际生效" << std::endl;
+        std::cout << "[GAIT] " << GaitName(gait) << " (from " << src << "), now effective" << std::endl;
         last_gait_request_ = gait;
     }
 
@@ -160,7 +160,7 @@ private:
         const std::string src = "invicta_remote";
         if (!has_command_) {
             has_command_ = true;
-            std::cout << "[MODE] 收到第一条运动指令（" << topic_ << "）" << std::endl;
+            std::cout << "[MODE] received first motion command (" << topic_ << ")" << std::endl;
         }
 
         // 轴指令：协议里是比例 [-1,1]，策略直接用这三个分量
@@ -171,7 +171,7 @@ private:
 
         if (msg->usage_mode != usr_cmd_->usage_mode) {
             usr_cmd_->usage_mode = msg->usage_mode;
-            std::cout << "[MODE] 使用模式 -> " << int(msg->usage_mode) << "（0 常规 / 1 导航 / 2 辅助）" << std::endl;
+            std::cout << "[MODE] usage mode -> " << int(msg->usage_mode) << " (0 normal / 1 navigation / 2 assist)" << std::endl;
         }
 
         RequestMotionState(msg->target_state, src);
diff --git a/src/invicta_deploy/main.cpp b/src/invicta_deploy/main.cpp
index 5941d57..c2b9e70 100644
--- a/src/invicta_deploy/main.cpp
+++ b/src/invicta_deploy/main.cpp
@@ -29,7 +29,7 @@ int main(int argc, char** argv) {
     std::string err;
     auto& cfg = invicta::Config();
     if (!cfg.Load(config_path, &err)) {
-        ROS_FATAL("[invicta_deploy] 配置加载失败：%s（%s）", err.c_str(), config_path.c_str());
+        ROS_FATAL("[invicta_deploy] failed to load config: %s (%s)", err.c_str(), config_path.c_str());
         return 1;
     }
     std::cout << cfg.Summary() << std::flush;
diff --git a/src/invicta_deploy/run_policy/invicta_policy_runner.hpp b/src/invicta_deploy/run_policy/invicta_policy_runner.hpp
index 023f0bd..a0dcab9 100644
--- a/src/invicta_deploy/run_policy/invicta_policy_runner.hpp
+++ b/src/invicta_deploy/run_policy/invicta_policy_runner.hpp
@@ -37,7 +37,7 @@ public:
         action_dim_ = cfg_.action_dim;
         obs_dim_ = cfg_.obs_dim;
         if (action_dim_ <= 0 || obs_dim_ <= 0) {
-            throw std::runtime_error("策略维度为 0：配置未加载或 [policy] 段不完整");
+            throw std::runtime_error("policy dimension is 0: config not loaded or [policy] section incomplete");
         }
 
         robot2policy_idx_ = Permutation(cfg_.joint_names, cfg_.policy_joint_order);
diff --git a/src/invicta_deploy/state_machine/quadruped_wheel/invicta_state_machine.hpp b/src/invicta_deploy/state_machine/quadruped_wheel/invicta_state_machine.hpp
index 2006e6e..7233b16 100644
--- a/src/invicta_deploy/state_machine/quadruped_wheel/invicta_state_machine.hpp
+++ b/src/invicta_deploy/state_machine/quadruped_wheel/invicta_state_machine.hpp
@@ -88,7 +88,7 @@ public:
         current_state_name_ = kIdle;
         next_state_name_ = kIdle;
 
-        std::cout << "control period: " << cfg.control_period_ms << " ms, 默认模型: " << policy_path << std::endl;
+        std::cout << "control period: " << cfg.control_period_ms << " ms, default model: " << policy_path << std::endl;
 
         // ---- 状态回报（供 invicta_remote 判前提 + 状态上报）----
         state_reporter_ = std::make_shared<interface::MotionStateReporter>(
diff --git a/src/invicta_deploy/state_machine/quadruped_wheel/joint_damping_state.hpp b/src/invicta_deploy/state_machine/quadruped_wheel/joint_damping_state.hpp
index 596d973..e8e794b 100644
--- a/src/invicta_deploy/state_machine/quadruped_wheel/joint_damping_state.hpp
+++ b/src/invicta_deploy/state_machine/quadruped_wheel/joint_damping_state.hpp
@@ -34,13 +34,13 @@ public:
 
     virtual void OnEnter() {
         start_time_ = std::chrono::steady_clock::now();
-        std::cout << "[DAMPING] 进入关节阻尼，持续 " << invicta::Config().damping_hold_s << " s 后转入空闲"
+        std::cout << "[DAMPING] entering joint damping, duration " << invicta::Config().damping_hold_s << " s then transition to idle"
                   << std::endl;
         msfb_.UpdateCurrentState(RobotMotionState::JointDamping);
     }
 
     virtual void OnExit() {
-        std::cout << "[DAMPING] 结束（实际 " << Elapsed() << " s），转入空闲" << std::endl;
+        std::cout << "[DAMPING] exit (actual " << Elapsed() << " s), transition to idle" << std::endl;
     }
 
     virtual void Run() { ri_ptr_->SetJointCommand(joint_cmd_); }
diff --git a/src/invicta_deploy/state_machine/quadruped_wheel/liedown_state.hpp b/src/invicta_deploy/state_machine/quadruped_wheel/liedown_state.hpp
index 00a5948..420ff04 100644
--- a/src/invicta_deploy/state_machine/quadruped_wheel/liedown_state.hpp
+++ b/src/invicta_deploy/state_machine/quadruped_wheel/liedown_state.hpp
@@ -44,7 +44,7 @@ public:
             joint_cmd_(cfg.legs[l].wheel_index, 2) = float(cfg.damping_kd_wheel);
 
             char buf[160];
-            snprintf(buf, sizeof(buf), "[GAIT] 趴下: %s 目标高度 %.3f m → 摆臂 %+.1f°\n", cfg.legs[l].name.c_str(),
+            snprintf(buf, sizeof(buf), "[GAIT] lie down: %s target height %.3f m -> swing %+.1f deg\n", cfg.legs[l].name.c_str(),
                      cfg.lie_height, target_swing_(int(l)) * 180. / M_PI);
             std::cout << buf;
         }
diff --git a/src/invicta_deploy/state_machine/quadruped_wheel/rl_control_state.hpp b/src/invicta_deploy/state_machine/quadruped_wheel/rl_control_state.hpp
index f2756ab..cef5fb3 100644
--- a/src/invicta_deploy/state_machine/quadruped_wheel/rl_control_state.hpp
+++ b/src/invicta_deploy/state_machine/quadruped_wheel/rl_control_state.hpp
@@ -88,8 +88,8 @@ private:
                 auto next = PolicyForGait(gait, &switched);
                 if (switched) {
                     next->OnEnter();  // 清 last_action / run_cnt，避免跨模型残留
-                    std::cout << "[GAIT] 切换模型 -> " << invicta_msgs::GaitName(gait)
-                              << (gait_runners_.count(int(gait)) ? "（已注册模型）" : "（默认模型）") << std::endl;
+                    std::cout << "[GAIT] switch model -> " << invicta_msgs::GaitName(gait)
+                              << (gait_runners_.count(int(gait)) ? " (registered model)" : " (default model)") << std::endl;
                 }
                 active_policy_ = next;
                 active_gait_ = int(gait);
@@ -101,7 +101,7 @@ private:
                 MatXf res = ra.ConvertToMat();
                 if (!res.allFinite()) {
                     policy_output_bad_ = true;
-                    std::cout << "[RL] 推理输出含 NaN/Inf，停止下发并转入关节阻尼" << std::endl;
+                    std::cout << "[RL] policy output contains NaN/Inf, stopping commands and switching to joint damping" << std::endl;
                 } else {
                     ri_ptr_->SetJointCommand(res);
                 }
@@ -123,13 +123,13 @@ public:
             try {
                 gait_paths_[std::stoi(kv.first)] = kv.second;
             } catch (const std::exception&) {
-                ROS_WARN("[RLControlState] 步态表键 '%s' 不是整数，已忽略", kv.first.c_str());
+                ROS_WARN("[RLControlState] gait map key '%s' is not an integer, ignored", kv.first.c_str());
             }
         }
 
         default_policy_ = std::make_shared<InvictaPolicyRunner>("invicta_policy", policy_path);
         active_policy_ = default_policy_;
-        std::cout << "[GAIT] 默认模型: " << policy_path << std::endl;
+        std::cout << "[GAIT] default model: " << policy_path << std::endl;
 
         // 默认步态 = 默认模型
         if (loaded_gaits_) loaded_gaits_->insert(default_gait_);
@@ -138,14 +138,14 @@ public:
         for (const auto& kv : gait_paths_) {
             if (kv.first == default_gait_) continue;  // 默认步态已在上面处理
             if (kv.second.empty()) {
-                std::cout << "[GAIT] 步态 " << invicta_msgs::GaitName(uint32_t(kv.first))
-                          << " 未提供模型路径，该步态不可用" << std::endl;
+                std::cout << "[GAIT] gait " << invicta_msgs::GaitName(uint32_t(kv.first))
+                          << " has no model path, gait unavailable" << std::endl;
                 continue;
             }
             if (kv.second == policy_path) {
                 gait_runners_[kv.first] = default_policy_;
                 if (loaded_gaits_) loaded_gaits_->insert(kv.first);
-                std::cout << "[GAIT] 步态 " << invicta_msgs::GaitName(uint32_t(kv.first)) << " 复用默认模型"
+                std::cout << "[GAIT] gait " << invicta_msgs::GaitName(uint32_t(kv.first)) << " reuses default model"
                           << std::endl;
                 continue;
             }
@@ -153,11 +153,11 @@ public:
                 gait_runners_[kv.first] = std::make_shared<InvictaPolicyRunner>("gait_" + std::to_string(kv.first),
                                                                                 kv.second);
                 if (loaded_gaits_) loaded_gaits_->insert(kv.first);
-                std::cout << "[GAIT] 预加载步态 " << invicta_msgs::GaitName(uint32_t(kv.first)) << " 模型 "
+                std::cout << "[GAIT] preload gait " << invicta_msgs::GaitName(uint32_t(kv.first)) << " model "
                           << kv.second << std::endl;
             } catch (const std::exception& e) {
-                std::cout << "[GAIT] 步态 " << invicta_msgs::GaitName(uint32_t(kv.first))
-                          << " 模型加载失败（该步态将不可用）：" << e.what() << std::endl;
+                std::cout << "[GAIT] gait " << invicta_msgs::GaitName(uint32_t(kv.first))
+                          << " failed to load model (gait unavailable): " << e.what() << std::endl;
             }
         }
         policy_output_bad_ = false;
diff --git a/src/invicta_deploy/state_machine/quadruped_wheel/standup_state.hpp b/src/invicta_deploy/state_machine/quadruped_wheel/standup_state.hpp
index 286142c..6c17ed3 100644
--- a/src/invicta_deploy/state_machine/quadruped_wheel/standup_state.hpp
+++ b/src/invicta_deploy/state_machine/quadruped_wheel/standup_state.hpp
@@ -58,7 +58,7 @@ public:
             joint_cmd_(cfg.legs[l].wheel_index, 0) = 0.f;  // 轮 kp 恒 0
 
             char buf[160];
-            snprintf(buf, sizeof(buf), "[GAIT] 起立: %s 收腿(%.3f m) %+.1f° → 站立(%.3f m) %+.1f°\n",
+            snprintf(buf, sizeof(buf), "[GAIT] stand up: %s tuck leg(%.3f m) %+.1f deg -> stand(%.3f m) %+.1f deg\n",
                      cfg.legs[l].name.c_str(), cfg.pre_height, tuck_swing_(int(l)) * 180. / M_PI, cfg.stand_height,
                      stand_swing_(int(l)) * 180. / M_PI);
             std::cout << buf;
@@ -134,12 +134,12 @@ public:
     bool ReadyForRl() {
         const auto& cfg = invicta::Config();
         if (uc_ptr_->GetUserCommand()->safe_control_mode != 0) {
-            LogNotReady("安全标志非 0");
+            LogNotReady("safe flag is not 0");
             return false;
         }
         for (int i = 0; i < int(current_joint_pos_.size()); ++i) {
             if (std::isnan(current_joint_pos_(i)) || std::isnan(current_joint_vel_(i))) {
-                LogNotReady("关节数据含 NaN");
+                LogNotReady("joint data contains NaN");
                 return false;
             }
         }
@@ -147,11 +147,11 @@ public:
             for (size_t l = 0; l < cfg.legs.size(); ++l) {
                 const int si = cfg.legs[l].swing_index;
                 if (std::fabs(current_joint_pos_(si) - stand_pose_(si)) > cfg.rl_joint_tolerance) {
-                    LogNotReady("关节 " + cfg.joint_names[size_t(si)] + " 未到站立位姿");
+                    LogNotReady("joint " + cfg.joint_names[size_t(si)] + " not at stand pose");
                     return false;
                 }
                 if (std::fabs(current_joint_vel_(si)) > cfg.rl_velocity_tolerance) {
-                    LogNotReady("关节 " + cfg.joint_names[size_t(si)] + " 速度过大");
+                    LogNotReady("joint " + cfg.joint_names[size_t(si)] + " velocity too large");
                     return false;
                 }
             }
@@ -161,12 +161,12 @@ public:
             const Vec3f acc = ri_ptr_->GetImuAcc();
             for (int i = 0; i < 3; ++i) {
                 if (std::isnan(rpy(i)) || std::isnan(acc(i))) {
-                    LogNotReady("IMU 数据含 NaN");
+                    LogNotReady("IMU data contains NaN");
                     return false;
                 }
             }
             if (acc.norm() < 0.1f * gravity || acc.norm() > 3.0f * gravity) {
-                LogNotReady("IMU 加速度异常");
+                LogNotReady("IMU acceleration abnormal");
                 return false;
             }
         }
@@ -176,7 +176,7 @@ public:
     void LogNotReady(const std::string& why) {
         if (run_time_ - last_ready_log_ < 1.0) return;
         last_ready_log_ = run_time_;
-        std::cout << "[RL] 暂不进入 RL：" << why << std::endl;
+        std::cout << "[RL] not entering RL yet: " << why << std::endl;
     }
 
     virtual bool LoseControlJudge() {
@@ -200,7 +200,7 @@ public:
             if (elapsed >= ready_time + cfg.rl_enter_delay && ReadyForRl()) {
                 if (!rl_enter_logged_) {
                     rl_enter_logged_ = true;
-                    std::cout << "[RL] 站立完成且自检通过，进入 RL 控制" << std::endl;
+                    std::cout << "[RL] stand up complete and self-check passed, entering RL control" << std::endl;
                 }
                 return StateName::kRLControl;
             }
diff --git a/src/invicta_hardware/include/invicta_hardware/hardware_config.h b/src/invicta_hardware/include/invicta_hardware/hardware_config.h
index 3636d70..eb423ef 100644
--- a/src/invicta_hardware/include/invicta_hardware/hardware_config.h
+++ b/src/invicta_hardware/include/invicta_hardware/hardware_config.h
@@ -148,13 +148,13 @@ inline bool HardwareConfig::Load(const std::string& path, std::string* error) {
     try {
         tbl = toml::parse_file(path);
     } catch (const toml::parse_error& e) {
-        return fail(std::string("TOML 解析失败: ") + std::string(e.description()) + " @ " + path);
+        return fail(std::string("failed to parse TOML: ") + std::string(e.description()) + " @ " + path);
     }
 
     const toml::table* robot = detail::Section(tbl, "robot");
-    if (!robot) return fail("缺少 [robot] 段");
+    if (!robot) return fail("missing [robot] section");
     detail::GetStrArr(robot, "joint_names", joint_names);
-    if (joint_names.empty()) return fail("[robot].joint_names 为空");
+    if (joint_names.empty()) return fail("[robot].joint_names is empty");
     dof = int(joint_names.size());
 
     std::vector<double> lower, upper, vel_limit, torque_limit;
@@ -165,7 +165,7 @@ inline bool HardwareConfig::Load(const std::string& path, std::string* error) {
     detail::GetDoubleArr(limits, "torque_limit", torque_limit);
     if (int(lower.size()) != dof || int(upper.size()) != dof || int(vel_limit.size()) != dof ||
         int(torque_limit.size()) != dof) {
-        return fail("[joint_limits] 的 lower/upper/vel_limit/torque_limit 长度必须等于关节数量");
+        return fail("[joint_limits] lower/upper/vel_limit/torque_limit length must equal joint count");
     }
     joints.assign(size_t(dof), JointSpec{});
     for (int i = 0; i < dof; ++i) {
@@ -188,7 +188,7 @@ inline bool HardwareConfig::Load(const std::string& path, std::string* error) {
             leg.swing_index = IndexOf(leg.swing_joint);
             leg.wheel_index = IndexOf(leg.wheel_joint);
             if (leg.swing_index < 0 || leg.wheel_index < 0) {
-                return fail("[[legs]] " + leg.name + " 的 swing_joint/wheel_joint 不在 joint_names 里");
+                return fail("[[legs]] " + leg.name + " swing_joint/wheel_joint not in joint_names");
             }
             const toml::table* sw = detail::Section(*lt, "swing");
             const toml::table* wh = detail::Section(*lt, "wheel");
@@ -206,7 +206,7 @@ inline bool HardwareConfig::Load(const std::string& path, std::string* error) {
             legs.push_back(leg);
         }
     }
-    if (legs.empty()) return fail("缺少 [[legs]] 段");
+    if (legs.empty()) return fail("missing [[legs]] section");
 
     if (const toml::table* mj = detail::Section(tbl, "motor")) {
         const auto load_motor = [](const toml::table* m, MotorSpec& out) {
@@ -247,13 +247,13 @@ inline bool HardwareConfig::Load(const std::string& path, std::string* error) {
         const JointSpec& j = joints[size_t(i)];
         const MotorSpec& m = j.is_wheel ? motor_wheel : motor_joint;
         if (!j.is_wheel && (j.lower < m.p_min || j.upper > m.p_max)) {
-            return fail("[joint_limits] " + j.name + " 的位置限幅超出归一化边界 [p_min, p_max]");
+            return fail("[joint_limits] " + j.name + " position limit outside normalized bounds [p_min, p_max]");
         }
         if (j.vel_limit > std::min(std::fabs(m.v_max), std::fabs(m.v_min))) {
-            return fail("[joint_limits] " + j.name + " 的速度限幅超出归一化边界 [v_min, v_max]");
+            return fail("[joint_limits] " + j.name + " velocity limit outside normalized bounds [v_min, v_max]");
         }
         if (j.torque_limit > std::min(std::fabs(m.t_max), std::fabs(m.t_min))) {
-            return fail("[joint_limits] " + j.name + " 的力矩限幅超出归一化边界 [t_min, t_max]");
+            return fail("[joint_limits] " + j.name + " torque limit outside normalized bounds [t_min, t_max]");
         }
     }
 
@@ -272,9 +272,9 @@ inline bool HardwareConfig::Load(const std::string& path, std::string* error) {
     if (hw) {
         if (auto v = (*hw)["require_can"].value<bool>()) require_can = *v;
     }
-    if (publish_rate_hz <= 0.) return fail("[hardware].publish_rate_hz 必须 > 0");
-    if (diagnostics_rate_hz <= 0.) return fail("[hardware].diagnostics_rate_hz 必须 > 0");
-    if (command_timeout_s < 0.) return fail("[hardware].command_timeout_s 不能为负");
+    if (publish_rate_hz <= 0.) return fail("[hardware].publish_rate_hz must be > 0");
+    if (diagnostics_rate_hz <= 0.) return fail("[hardware].diagnostics_rate_hz must be > 0");
+    if (command_timeout_s < 0.) return fail("[hardware].command_timeout_s must not be negative");
 
     if (error) error->clear();
     return true;
@@ -283,7 +283,7 @@ inline bool HardwareConfig::Load(const std::string& path, std::string* error) {
 inline std::string HardwareConfig::Summary() const {
     char buf[512];
     std::string s;
-    snprintf(buf, sizeof(buf), "[config] %d 关节，%zu 条腿，状态发布 %.0f Hz，IMU frame=%s\n", dof, legs.size(),
+    snprintf(buf, sizeof(buf), "[config] %d joints, %zu legs, state publish %.0f Hz, IMU frame=%s\n", dof, legs.size(),
              publish_rate_hz, imu_frame_id.c_str());
     s += buf;
     for (const auto& leg : legs) {
@@ -292,11 +292,11 @@ inline std::string HardwareConfig::Summary() const {
                  leg.wheel_bus.c_str(), leg.wheel_canid);
         s += buf;
     }
-    snprintf(buf, sizeof(buf), "[config] 电机: 关节 %s(p±%.1f v±%.1f t±%.0f) 轮 %s(p±%.1f v±%.1f t±%.0f)\n",
+    snprintf(buf, sizeof(buf), "[config] motor: joint %s(p+/-%.1f v+/-%.1f t+/-%.0f) wheel %s(p+/-%.1f v+/-%.1f t+/-%.0f)\n",
              motor_joint.model.c_str(), motor_joint.p_max, motor_joint.v_max, motor_joint.t_max,
              motor_wheel.model.c_str(), motor_wheel.p_max, motor_wheel.v_max, motor_wheel.t_max);
     s += buf;
-    snprintf(buf, sizeof(buf), "[config] CAN: %zu 路 %s.. @%.1fM/%.1fM, 使能 %d 帧 x %.3f s\n",
+    snprintf(buf, sizeof(buf), "[config] CAN: %zu channels %s.. @%.1fM/%.1fM, enable %d frames x %.3f s\n",
              can.channels.size(), can.channels.empty() ? "-" : can.channels.front().c_str(), can.bitrate / 1e6,
              can.data_bitrate / 1e6, can.enable_frames, can.enable_interval_s);
     s += buf;
diff --git a/src/invicta_hardware/include/invicta_hardware/joint_module_protocol.h b/src/invicta_hardware/include/invicta_hardware/joint_module_protocol.h
index 1520eaf..a006732 100644
--- a/src/invicta_hardware/include/invicta_hardware/joint_module_protocol.h
+++ b/src/invicta_hardware/include/invicta_hardware/joint_module_protocol.h
@@ -84,14 +84,14 @@ struct MotorFeedback {
 /// 状态码非零故障位的中文名，用于日志
 inline const char* FaultName(uint8_t status) {
     switch ((status >> 1) & 0x3F) {
-        case 0x00: return "无";
-        case 0x01: return "过压";
-        case 0x02: return "过流";
-        case 0x04: return "过温";
-        case 0x08: return "过速";
-        case 0x10: return "编码器";
-        case 0x20: return "欠压/预驱";
-        default: return "组合故障";
+        case 0x00: return "none";
+        case 0x01: return "overvoltage";
+        case 0x02: return "overcurrent";
+        case 0x04: return "overtemperature";
+        case 0x08: return "overspeed";
+        case 0x10: return "encoder";
+        case 0x20: return "undervoltage/pre-driver";
+        default: return "combined fault";
     }
 }
 
diff --git a/src/invicta_hardware/src/invicta_hardware_node.cpp b/src/invicta_hardware/src/invicta_hardware_node.cpp
index c4766c8..c47dc69 100644
--- a/src/invicta_hardware/src/invicta_hardware_node.cpp
+++ b/src/invicta_hardware/src/invicta_hardware_node.cpp
@@ -59,7 +59,7 @@ HardwareBridge::HardwareBridge(const ros::NodeHandle& pnh) : nh_() {
 
     ready_ = OpenBuses();
 
-    ROS_INFO("[invicta_hardware] %s -> %s/%s，订阅 %s @ %.0f Hz；诊断 %s @ %.0f Hz", joint_state_topic_.c_str(),
+    ROS_INFO("[invicta_hardware] %s -> %s/%s, subscribing %s @ %.0f Hz; diagnostics %s @ %.0f Hz", joint_state_topic_.c_str(),
              imu_topic_.c_str(), imu_frame_id_.c_str(), command_topic_.c_str(), publish_rate_hz_,
              diagnostics_topic_.c_str(), diagnostics_rate_hz_);
 }
@@ -69,7 +69,7 @@ bool HardwareBridge::OpenBuses() {
     buses_.clear();
 
     if (cfg.can.channels.empty()) {
-        ROS_ERROR("[invicta_hardware] 配置里没有 CAN 通道（[motor.can].channels）");
+        ROS_ERROR("[invicta_hardware] no CAN channels in config ([motor.can].channels)");
         return !require_can_;
     }
 
@@ -79,11 +79,11 @@ bool HardwareBridge::OpenBuses() {
 
         std::string err;
         if (!bus.can.Open(name, &err)) {
-            ROS_ERROR("[invicta_hardware] 打开 %s 失败：%s", name.c_str(), err.c_str());
-            ROS_ERROR("[invicta_hardware] 请先配置总线：sudo ip link set %s up type can bitrate %.0f dbitrate %.0f fd on",
+            ROS_ERROR("[invicta_hardware] failed to open %s: %s", name.c_str(), err.c_str());
+            ROS_ERROR("[invicta_hardware] configure the bus first: sudo ip link set %s up type can bitrate %.0f dbitrate %.0f fd on",
                       name.c_str(), cfg.can.bitrate, cfg.can.data_bitrate);
             if (require_can_) return false;
-            ROS_WARN("[invicta_hardware] require_can=false，跳过 %s，只发布状态、不下发电机指令", name.c_str());
+            ROS_WARN("[invicta_hardware] require_can=false, skipping %s, state published only, no motor commands sent", name.c_str());
             continue;
         }
 
@@ -93,7 +93,7 @@ bool HardwareBridge::OpenBuses() {
             if (leg.wheel_bus == name) bus.max_canid = std::max(bus.max_canid, leg.wheel_canid);
         }
         if (bus.max_canid <= 0 || bus.max_canid > kMaxMotorsPerFrame) {
-            ROS_ERROR("[invicta_hardware] %s 上的 CANID 非法（最大 %d，协议要求 1~%d）", name.c_str(), bus.max_canid,
+            ROS_ERROR("[invicta_hardware] invalid CANID on %s (max %d, protocol requires 1~%d)", name.c_str(), bus.max_canid,
                       kMaxMotorsPerFrame);
             if (require_can_) return false;
             continue;
@@ -105,7 +105,7 @@ bool HardwareBridge::OpenBuses() {
         }
         bus.frame_len = FrameLenForMaxCanId(bus.max_canid);
 
-        ROS_INFO("[invicta_hardware] %s 已打开（CANID 1~%d，下发 %d 字节）", name.c_str(), bus.max_canid, bus.frame_len);
+        ROS_INFO("[invicta_hardware] %s opened (CANID 1~%d, sending %d bytes)", name.c_str(), bus.max_canid, bus.frame_len);
         buses_.push_back(std::move(bus));
     }
 
@@ -135,11 +135,11 @@ void HardwareBridge::LoadParams(const ros::NodeHandle& pnh) {
     joint_names_ = cfg.joint_names;  // 顺序必须与 invicta_deploy 一致（同一份配置，天然一致）
 
     if (publish_rate_hz_ <= 0.) {
-        ROS_ERROR("[invicta_hardware] publish_rate_hz 必须 > 0，回退到 200 Hz");
+        ROS_ERROR("[invicta_hardware] publish_rate_hz must be > 0, falling back to 200 Hz");
         publish_rate_hz_ = 200.0;
     }
     if (diagnostics_rate_hz_ <= 0.) {
-        ROS_ERROR("[invicta_hardware] diagnostics_rate_hz 必须 > 0，回退到 10 Hz");
+        ROS_ERROR("[invicta_hardware] diagnostics_rate_hz must be > 0, falling back to 10 Hz");
         diagnostics_rate_hz_ = 10.0;
     }
 }
@@ -182,18 +182,18 @@ void HardwareBridge::HandleControlWord(uint16_t word, const std::vector<uint8_t>
         case invicta_msgs::kDisable:
             SendCodeAll(kCodeDisable, 1);
             enabled_ = false;
-            ROS_INFO("[invicta_hardware] control_word -> kDisable：已发失能（0xFD），线圈断开");
+            ROS_INFO("[invicta_hardware] control_word -> kDisable: disable sent (0xFD), coils open");
             break;
         case invicta_msgs::kEnable:
             SendCodeAll(kCodeEnable, Config().can.enable_frames, Config().can.enable_interval_s);
             enabled_ = true;
-            ROS_INFO("[invicta_hardware] control_word -> kEnable：已发使能（0xFC × %d）", Config().can.enable_frames);
+            ROS_INFO("[invicta_hardware] control_word -> kEnable: enable sent (0xFC x %d)", Config().can.enable_frames);
             break;
         case invicta_msgs::kErrorReset:
             // 协议没有独立的清错指令（手册 §6：故障后靠重新使能或重启恢复）
             SendCodeAll(kCodeEnable, Config().can.enable_frames, Config().can.enable_interval_s);
             enabled_ = true;
-            ROS_INFO("[invicta_hardware] control_word -> kErrorReset：本协议无清错指令，按重新使能处理");
+            ROS_INFO("[invicta_hardware] control_word -> kErrorReset: no fault-reset command in this protocol, handled as re-enable");
             break;
         case invicta_msgs::kMotorControl:
             if (!enabled_) {
@@ -201,13 +201,13 @@ void HardwareBridge::HandleControlWord(uint16_t word, const std::vector<uint8_t>
                 // 协议要求先使能再运行，这里补一次使能，而不是永远不发帧。
                 SendCodeAll(kCodeEnable, Config().can.enable_frames, Config().can.enable_interval_s);
                 enabled_ = true;
-                ROS_WARN("[invicta_hardware] 收到 kMotorControl 但未使能：已补发使能序列（上游启动时序可能丢失）");
+                ROS_WARN("[invicta_hardware] kMotorControl received but not enabled: enable sequence re-sent (upstream startup sequence may have been lost)");
             }
-            ROS_INFO("[invicta_hardware] control_word -> kMotorControl：进入 kp/kd + 前馈控制");
+            ROS_INFO("[invicta_hardware] control_word -> kMotorControl: entering kp/kd + feedforward control");
             break;
         case invicta_msgs::kGetStatus:
             // 每条指令都会回 12 字节状态帧，无需专门请求
-            ROS_INFO("[invicta_hardware] control_word -> kGetStatus：状态随每条指令自动返回，无需请求");
+            ROS_INFO("[invicta_hardware] control_word -> kGetStatus: status returns automatically with every command, no request needed");
             break;
         case invicta_msgs::kSetZero: {
             // 把当前机械位置写成模组零位（0xEF）。只作用于指令 name 选中的关节子集，
@@ -221,17 +221,17 @@ void HardwareBridge::HandleControlWord(uint16_t word, const std::vector<uint8_t>
                 if (mask[i]) sel += (sel.empty() ? "" : ",") + joint_names_[i];
             }
             if (sel.empty()) {
-                ROS_WARN("[invicta_hardware] kSetZero：选中的关节里没有可置零的摆臂，忽略");
+                ROS_WARN("[invicta_hardware] kSetZero: no swing joints to set zero among the selected joints, ignoring");
                 break;
             }
             SendCodeAll(kCodeZero, 1, 0.0, &mask);
-            ROS_WARN("[invicta_hardware] control_word -> kSetZero：已发置零（0xEF）到 [%s]；"
-                     "此后这些摆臂该位姿的反馈角度约为 0，请把对应 offset_deg 设为 0（或据此重标）",
+            ROS_WARN("[invicta_hardware] control_word -> kSetZero: set zero sent (0xEF) to [%s]; "
+                     "from now on the feedback angle of these swing joints at this pose is about 0, set the corresponding offset_deg to 0 (or recalibrate accordingly)",
                      sel.c_str());
             break;
         }
         default:
-            ROS_WARN("[invicta_hardware] 未知 control_word=%u，忽略", word);
+            ROS_WARN("[invicta_hardware] unknown control_word=%u, ignore", word);
             break;
     }
 }
@@ -263,7 +263,7 @@ void HardwareBridge::SendCodeAll(uint8_t code, int frames, double interval_s, co
             if (!any) continue;
             std::string err;
             if (!bus.can.Send(Config().can.arbitration_id, payload, uint8_t(bus.frame_len), true, &err)) {
-                ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s 发送控制码 0x%02X 失败: %s", bus.name.c_str(), code,
+                ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s failed to send control code 0x%02X: %s", bus.name.c_str(), code,
                                   err.c_str());
             }
         }
@@ -299,7 +299,7 @@ bool HardwareBridge::SendTimeoutFrame() {
 
         std::string err;
         if (!bus.can.Send(Config().can.arbitration_id, payload, uint8_t(bus.frame_len), true, &err)) {
-            ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s 发送阻尼帧失败: %s", bus.name.c_str(), err.c_str());
+            ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s failed to send damping frame: %s", bus.name.c_str(), err.c_str());
         }
     }
     return true;
@@ -318,12 +318,12 @@ bool HardwareBridge::ReadHardware() {
             const int canid = int(frame.id);
             const int joint = (canid > 0 && canid <= bus.max_canid) ? bus.canid_to_joint[size_t(canid)] : -1;
             if (joint < 0) {
-                ROS_WARN_THROTTLE(5.0, "[invicta_hardware] %s 收到未知帧 id=0x%X len=%u，忽略", bus.name.c_str(),
+                ROS_WARN_THROTTLE(5.0, "[invicta_hardware] %s received unknown frame id=0x%X len=%u, ignore", bus.name.c_str(),
                                   unsigned(frame.id), unsigned(frame.len));
                 continue;
             }
             if (frame.len < 12) {
-                ROS_WARN_THROTTLE(5.0, "[invicta_hardware] %s CANID=%d 反馈只有 %u 字节（协议要求 12）", bus.name.c_str(),
+                ROS_WARN_THROTTLE(5.0, "[invicta_hardware] %s CANID=%d feedback only %u bytes (protocol requires 12)", bus.name.c_str(),
                                   canid, unsigned(frame.len));
                 continue;
             }
@@ -344,7 +344,7 @@ bool HardwareBridge::ReadHardware() {
             has_feedback_[size_t(joint)] = 1;
 
             if (fb.fault() && last_status_[size_t(joint)] != fb.status) {
-                ROS_ERROR("[invicta_hardware] %s 故障：%s（status=0x%02X，温度 %.0f ℃）",
+                ROS_ERROR("[invicta_hardware] %s fault: %s (status=0x%02X, temperature %.0f C)",
                           joint_names_[size_t(joint)].c_str(), FaultName(fb.status), unsigned(fb.status), fb.temperature);
             }
             last_status_[size_t(joint)] = fb.status;
@@ -362,7 +362,7 @@ bool HardwareBridge::WriteHardware() {
         if (!has_cmd_) {
             if (!warned_no_command_) {
                 warned_no_command_ = true;
-                ROS_WARN("[invicta_hardware] 还没收到 %s，不下发任何指令", command_topic_.c_str());
+                ROS_WARN("[invicta_hardware] %s not received yet, not sending any command", command_topic_.c_str());
             }
             return false;
         }
@@ -376,7 +376,7 @@ bool HardwareBridge::WriteHardware() {
     const std::vector<uint8_t> selected = SelectionMask(cmd.name, &had_unknown);
     if (had_unknown && !warned_unknown_joint_) {
         warned_unknown_joint_ = true;
-        ROS_WARN("[invicta_hardware] %s 的 name 里有不认识的关节名，已忽略（只控制能识别的）",
+        ROS_WARN("[invicta_hardware] unrecognized joint name in %s name list, ignored (only recognized joints are controlled)",
                  command_topic_.c_str());
     }
 
@@ -387,13 +387,13 @@ bool HardwareBridge::WriteHardware() {
     }
     if (cmd.position.size() != n || cmd.velocity.size() != n || cmd.effort.size() != n || cmd.kp.size() != n ||
         cmd.kd.size() != n) {
-        ROS_WARN_THROTTLE(5.0, "[invicta_hardware] 指令数组长度与 %zu 个关节不匹配，丢弃该帧", n);
+        ROS_WARN_THROTTLE(5.0, "[invicta_hardware] command array length does not match %zu joints, dropping frame", n);
         return false;
     }
     for (size_t i = 0; i < n; ++i) {
         if (!std::isfinite(cmd.position[i]) || !std::isfinite(cmd.velocity[i]) || !std::isfinite(cmd.effort[i]) ||
             !std::isfinite(cmd.kp[i]) || !std::isfinite(cmd.kd[i])) {
-            ROS_WARN_THROTTLE(1.0, "[invicta_hardware] 指令含非有限值，丢弃该帧");
+            ROS_WARN_THROTTLE(1.0, "[invicta_hardware] command contains non-finite value, dropping frame");
             return false;
         }
     }
@@ -410,14 +410,14 @@ bool HardwareBridge::WriteHardware() {
         if (age > command_timeout_s_) {
             if (!timeout_active_) {
                 timeout_active_ = true;
-                ROS_ERROR("[invicta_hardware] %.0f ms 未收到 %s，转阻尼（kp=0, kd=%.1f/%.1f）",
+                ROS_ERROR("[invicta_hardware] %.0f ms without %s, switching to damping (kp=0, kd=%.1f/%.1f)",
                           age * 1000.0, command_topic_.c_str(), timeout_joint_kd_, timeout_wheel_kd_);
             }
             return SendTimeoutFrame();
         }
         if (timeout_active_) {
             timeout_active_ = false;
-            ROS_WARN("[invicta_hardware] 指令恢复，退出阻尼");
+            ROS_WARN("[invicta_hardware] command recovered, exiting damping");
         }
     }
 
@@ -453,7 +453,7 @@ bool HardwareBridge::WriteHardware() {
             const double tlim = spec.torque_limit > 0. ? spec.torque_limit : std::abs(range.t_max);
             double tau = cmd.effort[j];
             if (std::abs(tau) > tlim) {
-                ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s 前馈力矩 %.1f N·m 超过限幅 %.1f，已夹紧", name.c_str(),
+                ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s feedforward torque %.1f N*m exceeds clamp %.1f, clamped", name.c_str(),
                                   tau, tlim);
                 tau = std::min(std::max(tau, -tlim), tlim);
             }
@@ -466,13 +466,13 @@ bool HardwareBridge::WriteHardware() {
             // 越界会被编码器静默饱和，这里显式夹紧并把配置错误报出来
             double kp = cmd.kp[j];
             if (kp < 0. || kp > range.kp_max) {
-                ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s 的 kp=%.1f 超出模组范围 [0, %.1f]，已夹紧", name.c_str(),
+                ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s kp=%.1f out of module range [0, %.1f], clamped", name.c_str(),
                                   kp, range.kp_max);
                 kp = std::min(std::max(kp, 0.0), range.kp_max);
             }
             double kd = cmd.kd[j];
             if (kd < 0. || kd > range.kd_max) {
-                ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s 的 kd=%.2f 超出模组范围 [0, %.1f]，已夹紧", name.c_str(),
+                ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s kd=%.2f out of module range [0, %.1f], clamped", name.c_str(),
                                   kd, range.kd_max);
                 kd = std::min(std::max(kd, 0.0), range.kd_max);
             }
@@ -484,7 +484,7 @@ bool HardwareBridge::WriteHardware() {
 
         std::string err;
         if (!bus.can.Send(Config().can.arbitration_id, payload, uint8_t(bus.frame_len), true, &err)) {
-            ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s 发送运行帧失败: %s", bus.name.c_str(), err.c_str());
+            ROS_WARN_THROTTLE(1.0, "[invicta_hardware] %s failed to send run frame: %s", bus.name.c_str(), err.c_str());
         }
     }
     return true;
@@ -572,14 +572,14 @@ int main(int argc, char** argv) {
     if (config_path.empty()) config_path = ros::package::getPath("invicta_hardware") + "/config/invicta_hardware.toml";
     std::string err;
     if (!invicta_hardware::Config().Load(config_path, &err)) {
-        ROS_FATAL("[invicta_hardware] 配置加载失败：%s（%s）", err.c_str(), config_path.c_str());
+        ROS_FATAL("[invicta_hardware] failed to load config: %s (%s)", err.c_str(), config_path.c_str());
         return 1;
     }
     std::cout << invicta_hardware::Config().Summary() << std::flush;
 
     invicta_hardware::HardwareBridge bridge(pnh);
     if (!bridge.Ready()) {
-        ROS_FATAL("[invicta_hardware] CAN 初始化失败，退出（无硬件调试可设 require_can:=false）");
+        ROS_FATAL("[invicta_hardware] CAN init failed, exiting (for hardware-free debug set require_can:=false)");
         return 1;
     }
 
diff --git a/src/invicta_msgs/include/invicta_msgs/motion_defs.h b/src/invicta_msgs/include/invicta_msgs/motion_defs.h
index 86dede4..acdce62 100644
--- a/src/invicta_msgs/include/invicta_msgs/motion_defs.h
+++ b/src/invicta_msgs/include/invicta_msgs/motion_defs.h
@@ -37,23 +37,23 @@ enum UsageMode : uint8_t {
 
 inline const char* MotionParamName(uint8_t v) {
     switch (v) {
-        case kMotionIdle: return "空闲";
-        case kMotionStanding: return "站立";
-        case kMotionJointDamping: return "关节阻尼";
-        case kMotionBootDamping: return "开机阻尼";
-        case kMotionLieDown: return "趴下";
-        case kMotionRlControl: return "RL控制";
-        default: return "未知";
+        case kMotionIdle: return "Idle";
+        case kMotionStanding: return "Standing";
+        case kMotionJointDamping: return "Joint damping";
+        case kMotionBootDamping: return "Boot damping";
+        case kMotionLieDown: return "Lie down";
+        case kMotionRlControl: return "RL control";
+        default: return "Unknown";
     }
 }
 
 inline const char* GaitName(uint32_t v) {
     switch (v) {
-        case kGaitBasic: return "基础(平地)";
-        case kGaitStairs: return "楼梯";
-        case kGaitFlatAgile: return "平地(敏捷)";
-        case kGaitStairsAgile: return "楼梯(敏捷)";
-        default: return "未知";
+        case kGaitBasic: return "Basic (flat)";
+        case kGaitStairs: return "Stairs";
+        case kGaitFlatAgile: return "Flat (agile)";
+        case kGaitStairsAgile: return "Stairs (agile)";
+        default: return "Unknown";
     }
 }
 
diff --git a/src/invicta_remote/include/invicta_remote/heartbeat.h b/src/invicta_remote/include/invicta_remote/heartbeat.h
index a1d16f1..55b1e31 100644
--- a/src/invicta_remote/include/invicta_remote/heartbeat.h
+++ b/src/invicta_remote/include/invicta_remote/heartbeat.h
@@ -52,7 +52,7 @@ public:
         c.port = port;
         c.last_seen = std::chrono::steady_clock::now();
         clients_.push_back(c);
-        std::cout << "[GAMEPAD] 新客户端 " << ip << ":" << port << std::endl;
+        std::cout << "[GAMEPAD] new client " << ip << ":" << port << std::endl;
     }
 
     /// 记录某客户端订阅了哪一路状态上报
@@ -91,8 +91,8 @@ private:
                 const double idle =
                     std::chrono::duration_cast<std::chrono::duration<double>>(now - it->last_seen).count();
                 if (idle > timeout_sec_) {
-                    std::cout << "[GAMEPAD] 客户端 " << it->ip << ":" << it->port << " 超过 " << timeout_sec_
-                              << " s 无报文，标记离线" << std::endl;
+                    std::cout << "[GAMEPAD] client " << it->ip << ":" << it->port << " exceeded " << timeout_sec_
+                              << " s without packets, marked offline" << std::endl;
                     it = clients_.erase(it);
                     offline_logged = true;
                 } else {
diff --git a/src/invicta_remote/include/invicta_remote/remote_config.h b/src/invicta_remote/include/invicta_remote/remote_config.h
index be750d3..35fe9e0 100644
--- a/src/invicta_remote/include/invicta_remote/remote_config.h
+++ b/src/invicta_remote/include/invicta_remote/remote_config.h
@@ -72,15 +72,15 @@ inline bool RemoteConfig::Load(const std::string& path, std::string* error) {
     try {
         tbl = toml::parse_file(path);
     } catch (const toml::parse_error& e) {
-        return fail(std::string("TOML 解析失败: ") + std::string(e.description()) + " @ " + path);
+        return fail(std::string("TOML parse failed: ") + std::string(e.description()) + " @ " + path);
     }
 
     const toml::table* proto = detail::Section(tbl, "protocol");
-    if (!proto) return fail("缺少 [protocol] 段");
+    if (!proto) return fail("missing [protocol] section");
     detail::Get(proto, "udp_port", udp_port);
     detail::Get(proto, "heartbeat_timeout_s", heartbeat_timeout_s);
     detail::GetBool(proto, "unsupported_as_success", unsupported_as_success);
-    if (udp_port <= 0 || udp_port > 65535) return fail("[protocol].udp_port 非法");
+    if (udp_port <= 0 || udp_port > 65535) return fail("[protocol].udp_port out of range");
 
     const toml::table* topics = detail::Section(tbl, "topics");
     detail::GetStr(topics, "motion_command", topic_motion_command);
@@ -103,11 +103,11 @@ inline bool RemoteConfig::Load(const std::string& path, std::string* error) {
 
 inline std::string RemoteConfig::Summary() const {
     char buf[256];
-    snprintf(buf, sizeof(buf), "[config] UDP %d, 心跳超时 %.1f s, 未实现项回 0xE00A=%s\n", udp_port,
-             heartbeat_timeout_s, unsupported_as_success ? "否(回 0)" : "是");
+    snprintf(buf, sizeof(buf), "[config] UDP %d, heartbeat timeout %.1f s, unsupported item returns 0xE00A=%s\n", udp_port,
+             heartbeat_timeout_s, unsupported_as_success ? "no (returns 0)" : "yes");
     std::string s = buf;
-    snprintf(buf, sizeof(buf), "[config] 状态上报: %s 基础 %.0f Hz / 运控 %.0f Hz / 设备 %.0f Hz / 异常 %.0f Hz\n",
-             telemetry_enabled ? "开" : "关", telemetry_basic_hz, telemetry_motion_hz, telemetry_device_hz,
+    snprintf(buf, sizeof(buf), "[config] telemetry: %s basic %.0f Hz / motion %.0f Hz / device %.0f Hz / error %.0f Hz\n",
+             telemetry_enabled ? "on" : "off", telemetry_basic_hz, telemetry_motion_hz, telemetry_device_hz,
              telemetry_error_hz);
     s += buf;
     return s;
diff --git a/src/invicta_remote/include/invicta_remote/remote_node.h b/src/invicta_remote/include/invicta_remote/remote_node.h
index 31685cd..63f327e 100644
--- a/src/invicta_remote/include/invicta_remote/remote_node.h
+++ b/src/invicta_remote/include/invicta_remote/remote_node.h
@@ -86,13 +86,13 @@ public:
         udp_server_ = std::make_unique<UdpServer>([this](const Frame& f) { return OnFrame(f); }, udp_port_);
         StartTelemetry();
 
-        ROS_INFO_STREAM("[invicta_remote] 协议节点就绪：" << motion_command_topic_ << " <- " << motion_state_topic_);
-        ROS_INFO("[invicta_remote] 已实现：心跳 / 轴指令(2,21) / 运动状态(2,22) / 步态(2,23) / "
-                 "使用模式(1101,5 仅常规) / 按键(1101,12)");
-        ROS_INFO("[invicta_remote] 状态上报：1002/6 %.0f Hz、1002/4 %.0f Hz、1002/5 %.0f Hz、1002/3 %.0f Hz"
-                 "（%s）", basic_hz_, motion_hz_, device_hz_, error_hz_,
-                 require_subscription_ ? "需先发查询订阅" : "主动推送");
-        ROS_INFO("[invicta_remote] 未实现：照明灯 休眠 充电 导航 速度指令（回 0xE00A）");
+        ROS_INFO_STREAM("[invicta_remote] protocol node ready: " << motion_command_topic_ << " <- " << motion_state_topic_);
+        ROS_INFO("[invicta_remote] implemented: heartbeat / axis command(2,21) / motion state(2,22) / gait(2,23) / "
+                 "usage mode(1101,5 normal only) / key(1101,12)");
+        ROS_INFO("[invicta_remote] telemetry: 1002/6 %.0f Hz, 1002/4 %.0f Hz, 1002/5 %.0f Hz, 1002/3 %.0f Hz"
+                 "(%s)", basic_hz_, motion_hz_, device_hz_, error_hz_,
+                 require_subscription_ ? "query subscription required" : "push autonomously");
+        ROS_INFO("[invicta_remote] not implemented: light, sleep, charge, navigation, velocity command (reply 0xE00A)");
     }
 
 private:
@@ -122,7 +122,7 @@ private:
         try {
             doc = json::parse(frame.body);
         } catch (const std::exception& e) {
-            std::cout << "[GAMEPAD] JSON 解析失败：" << e.what() << std::endl;
+            std::cout << "[GAMEPAD] JSON parse failed: " << e.what() << std::endl;
             return BuildResponse(0, 0, Result::Err(kErrDataParsingFailed));
         }
 
@@ -356,7 +356,7 @@ private:
         double value[kM20Joints];
         FillM20Joints(value);
         if (!have_joints_ && std::chrono::steady_clock::now() - start_time_ > std::chrono::seconds(2)) {
-            ROS_WARN_THROTTLE(30.0, "[invicta_remote] 尚未收到 %s，1002/4 的关节按 0 上报",
+            ROS_WARN_THROTTLE(30.0, "[invicta_remote] %s not received yet, 1002/4 joints reported as 0",
                               joint_states_topic_.c_str());
         }
         motor["Joint"] = std::vector<double>(value, value + kM20Joints);
@@ -427,7 +427,7 @@ private:
         heartbeat_->SetSubscribed(frame.ip, frame.port, command);
         if (!subscribed_logged_.count({frame.ip, command})) {
             subscribed_logged_.insert({frame.ip, command});
-            std::cout << "[GAMEPAD] " << frame.ip << ":" << frame.port << " 查询状态上报 1002/" << command
+            std::cout << "[GAMEPAD] " << frame.ip << ":" << frame.port << " query telemetry 1002/" << command
                       << std::endl;
         }
         switch (command) {
@@ -501,7 +501,7 @@ private:
         const auto now = std::chrono::steady_clock::now();
         if (now - last_heartbeat_log_ > std::chrono::seconds(2)) {
             last_heartbeat_log_ = now;
-            std::cout << "[GAMEPAD] heartbeat from " << frame.ip << ":" << frame.port << "（状态上报已开始推送）"
+            std::cout << "[GAMEPAD] heartbeat from " << frame.ip << ":" << frame.port << " (telemetry push started)"
                       << std::endl;
         }
         return Result::Ok();
@@ -562,8 +562,8 @@ private:
             std::lock_guard<std::mutex> lock(state_mutex_);
             if (have_state_ && actual_motion_state_ != kMotionRlControl) {
                 return Result::Err(kErrNotAllowedOperation,
-                                   std::string("Not allowed operation: 步态切换仅 RL 控制状态下有效（当前 ") +
-                                       MotionParamName(actual_motion_state_) + "）");
+                                   std::string("Not allowed operation: gait switch only valid in RL control state (current ") +
+                                       MotionParamName(actual_motion_state_) + ")");
             }
         }
         latest_.gait = uint32_t(gait);
@@ -583,7 +583,7 @@ private:
             PublishMotionCommand();
             return Result::Ok();
         }
-        return Unsupported("使用模式 " + std::to_string(mode) + "（仅支持常规模式）");
+        return Unsupported("usage mode " + std::to_string(mode) + " (only normal mode supported)");
     }
 
     /// 1101/12 按键事件：新版 App（≥ V1.5.11）用按键，这里映射到同一套运动状态
@@ -601,7 +601,7 @@ private:
                     latest_.target_state = it->second;
                     PublishMotionCommand();
                 } else {
-                    std::cout << "[GAMEPAD] 未知按键 " << name << std::endl;
+                    std::cout << "[GAMEPAD] unknown key " << name << std::endl;
                 }
             }
         }
@@ -611,10 +611,10 @@ private:
     /// 未实现的功能：统一返回 0xE00A（可用参数改成回 0）
     Result Unsupported(const std::string& what) {
         if (unsupported_as_success_) {
-            std::cout << "[GAMEPAD] " << what << " 未实现，按 unsupported_as_success=true 回 0" << std::endl;
+            std::cout << "[GAMEPAD] " << what << " not implemented, reply 0 per unsupported_as_success=true" << std::endl;
             return Result::Ok();
         }
-        std::cout << "[GAMEPAD] " << what << " 未实现，回 0xE00A" << std::endl;
+        std::cout << "[GAMEPAD] " << what << " not implemented, reply 0xE00A" << std::endl;
         return Result::Err(kErrUnsupportedFunction, "Unsupported function: " + what);
     }
 
@@ -625,18 +625,18 @@ private:
         handlers_[{kTypeMotion, kCmdAxisControl}] = [this](json& i, const Frame& f) { return HandleAxis(i, f); };
         handlers_[{kTypeMotion, kCmdMotionState}] = [this](json& i, const Frame& f) { return HandleMotionState(i, f); };
         handlers_[{kTypeMotion, kCmdGait}] = [this](json& i, const Frame& f) { return HandleGait(i, f); };
-        handlers_[{kTypeMotion, kCmdCharge}] = [this](json&, const Frame&) { return Unsupported("自主充电 2/24"); };
+        handlers_[{kTypeMotion, kCmdCharge}] = [this](json&, const Frame&) { return Unsupported("autonomous charging 2/24"); };
         handlers_[{kTypeMotion, kCmdVelocity}] = [this](json&, const Frame&) {
-            return Unsupported("速度指令 2/25（导航模式）");
+            return Unsupported("velocity command 2/25 (navigation mode)");
         };
 
         handlers_[{kTypeDevice, kCmdLight}] = [this](json&, const Frame&) {
-            return Unsupported("照明灯 1101/2（本平台无灯硬件）");
+            return Unsupported("light 1101/2 (no light hardware on this platform)");
         };
         handlers_[{kTypeDevice, kCmdUsageMode}] = [this](json& i, const Frame& f) { return HandleUsageMode(i, f); };
-        handlers_[{kTypeDevice, kCmdSleepSet}] = [this](json&, const Frame&) { return Unsupported("休眠设置 1101/6"); };
+        handlers_[{kTypeDevice, kCmdSleepSet}] = [this](json&, const Frame&) { return Unsupported("sleep set 1101/6"); };
         handlers_[{kTypeDevice, kCmdSleepQuery}] = [this](json&, const Frame&) {
-            return Unsupported("休眠查询 1101/7");
+            return Unsupported("sleep query 1101/7");
         };
         handlers_[{kTypeDevice, kCmdKey}] = [this](json& i, const Frame& f) { return HandleKey(i, f); };
 
diff --git a/src/invicta_remote/include/invicta_remote/udp_server.h b/src/invicta_remote/include/invicta_remote/udp_server.h
index 7725e24..84fd98b 100644
--- a/src/invicta_remote/include/invicta_remote/udp_server.h
+++ b/src/invicta_remote/include/invicta_remote/udp_server.h
@@ -154,7 +154,7 @@ private:
             uint8_t from_type = kFromTypeUser;
             bool format_ok = true;
             if (ParseHeader(buffer.data(), int(recvLen), body_len, data_id, from_type, format_ok) < 0) {
-                std::cout << "[UdpServer] 非法帧头，丢弃（长度 " << recvLen << "）" << std::endl;
+                std::cout << "[UdpServer] invalid frame header, drop (length " << recvLen << ")" << std::endl;
                 continue;
             }
 
diff --git a/src/invicta_remote/src/invicta_remote_node.cpp b/src/invicta_remote/src/invicta_remote_node.cpp
index 2083da1..c41304d 100644
--- a/src/invicta_remote/src/invicta_remote_node.cpp
+++ b/src/invicta_remote/src/invicta_remote_node.cpp
@@ -19,7 +19,7 @@ int main(int argc, char** argv) {
     if (config_path.empty()) config_path = ros::package::getPath("invicta_remote") + "/config/invicta_remote.toml";
     std::string err;
     if (!invicta_remote::Config().Load(config_path, &err)) {
-        ROS_FATAL("[invicta_remote] 配置加载失败：%s（%s）", err.c_str(), config_path.c_str());
+        ROS_FATAL("[invicta_remote] failed to load config: %s (%s)", err.c_str(), config_path.c_str());
         return 1;
     }
     std::cout << invicta_remote::Config().Summary() << std::flush;