diff --git a/src/core/voice_input_service.cpp b/src/core/voice_input_service.cpp
index 5241e81..d0a43cb 100644
--- a/src/core/voice_input_service.cpp
+++ b/src/core/voice_input_service.cpp
@@ -152,6 +152,8 @@ void VoiceInputService::onHotkeyDeactivated() {
     } else {
         // 长按 → 停止录音并转写
         stopRecordingAndTranscribe();
+        // 恢复 CapsLock 原始状态（系统已处理了一次 CapsLock 切换）
+        simulateCapsLock();
     }
 
     longPressDetected_ = false;
@@ -213,9 +215,8 @@ void VoiceInputService::onRecognitionComplete(const QString& text) {
 
 void VoiceInputService::simulateCapsLock() {
     if (impl_->injector && impl_->injector->isInitialized()) {
-        // CapsLock keysym = 0xffe5
-        unsigned int capslockKeysym = 0xffe5;
-        impl_->injector->simulateKeycode(capslockKeysym);
+        // XK_Caps_Lock = 0xffe5，使用 simulateKeysym 自动转换为 keycode
+        impl_->injector->simulateKeysym(0xffe5);
         LOG_DEBUG(kTag, "模拟 CapsLock 按键已注入");
     } else {
         LOG_WARNING(kTag, "文本注入器未初始化，无法模拟 CapsLock");
diff --git a/src/core/wayland_text_injector.cpp b/src/core/wayland_text_injector.cpp
index 07cee05..ce50c85 100644
--- a/src/core/wayland_text_injector.cpp
+++ b/src/core/wayland_text_injector.cpp
@@ -178,4 +178,17 @@ bool WaylandTextInjector::simulateKeycode(unsigned int keycode) {
     return true;
 }
 
+bool WaylandTextInjector::simulateKeysym(unsigned long keysym) {
+    if (!impl_->display || !impl_->XKeysymToKeycode) return false;
+
+    unsigned int keycode = impl_->XKeysymToKeycode(impl_->display, keysym);
+    if (keycode == 0) {
+        LOG_WARNING(kTag, QString("keysym 0x%1 无法转换为 keycode").arg(keysym, 0, 16));
+        return false;
+    }
+
+    LOG_DEBUG(kTag, QString("模拟 keysym 0x%1 → keycode %2").arg(keysym, 0, 16).arg(keycode));
+    return simulateKeycode(keycode);
+}
+
 } // namespace impress
diff --git a/src/core/wayland_text_injector.h b/src/core/wayland_text_injector.h
index 171bb0d..79819ea 100644
--- a/src/core/wayland_text_injector.h
+++ b/src/core/wayland_text_injector.h
@@ -30,6 +30,9 @@ public:
     /** @brief 模拟 X11 keycode 按下+释放（用于 CapsLock 等系统按键） */
     bool simulateKeycode(unsigned int keycode);
 
+    /** @brief 模拟 keysym 按下+释放（自动转换为 keycode） */
+    bool simulateKeysym(unsigned long keysym);
+
 signals:
     void error(const QString& message);
 
diff --git a/src/core/win_text_injector.cpp b/src/core/win_text_injector.cpp
index 2abdaed..b69105a 100644
--- a/src/core/win_text_injector.cpp
+++ b/src/core/win_text_injector.cpp
@@ -111,4 +111,27 @@ bool WaylandTextInjector::simulateKeycode(unsigned int keycode) {
 #endif
 }
 
+bool WaylandTextInjector::simulateKeysym(unsigned long keysym) {
+#ifdef Q_OS_WIN
+    // X11 keysym → Windows Virtual Key 映射
+    WORD vk = 0;
+    switch (keysym) {
+    case 0xffe5: vk = 0x14; break; // XK_Caps_Lock → VK_CAPITAL
+    case 0xffe1: vk = 0x10; break; // XK_Shift_L   → VK_SHIFT
+    case 0xffe2: vk = 0x10; break; // XK_Shift_R   → VK_SHIFT
+    case 0xffe3: vk = 0x11; break; // XK_Control_L → VK_CONTROL
+    case 0xffe4: vk = 0x11; break; // XK_Control_R → VK_CONTROL
+    case 0xffe9: vk = 0x12; break; // XK_Alt_L     → VK_MENU
+    case 0xffea: vk = 0x12; break; // XK_Alt_R     → VK_MENU
+    default:
+        LOG_WARNING(kTag, QString("不支持的 keysym 映射: 0x%1").arg(keysym, 0, 16));
+        return false;
+    }
+    return simulateKeycode(vk);
+#else
+    (void)keysym;
+    return false;
+#endif
+}
+
 } // namespace impress
diff --git a/src/core/win_text_injector.h b/src/core/win_text_injector.h
index 46809c2..3fc843b 100644
--- a/src/core/win_text_injector.h
+++ b/src/core/win_text_injector.h
@@ -29,6 +29,9 @@ public:
     /** @brief 模拟 keycode 按下+释放（Windows 使用虚拟键码） */
     bool simulateKeycode(unsigned int keycode);
 
+    /** @brief 模拟 keysym 按下+释放（X11 keysym，自动映射为 Windows VK 键码） */
+    bool simulateKeysym(unsigned long keysym);
+
 signals:
     void error(const QString& message);