diff --git a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/AccessibilityInputUtils.java b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/AccessibilityInputUtils.java
index c108df0..29ca8ec 100644
--- a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/AccessibilityInputUtils.java
+++ b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/AccessibilityInputUtils.java
@@ -53,7 +53,7 @@ public class AccessibilityInputUtils implements InputExecutor {
     }
 
     @Override
-    public void injectKeyEvent(int keyCode) {
+    public void injectKeyEvent(int keyCode, int keyAction) {
         KeyboardAccessibilityService svc = getService();
         if (svc == null) {
             Log.w(TAG, "Accessibility service not running, cannot inject key");
diff --git a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/InputCommandHandler.java b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/InputCommandHandler.java
index b1c9fab..4016da2 100644
--- a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/InputCommandHandler.java
+++ b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/InputCommandHandler.java
@@ -133,8 +133,13 @@ public class InputCommandHandler {
 
     private void handleKey(ControlMessage command) {
         int keyCode = command.getKeyCode();
-        Log.d(TAG, "Key press: " + keyCode);
-        inputExecutor.injectKeyEvent(keyCode);
+        if (keyCode == 0) {
+            Log.w(TAG, "Ignoring KEY command with keyCode=0");
+            return;
+        }
+        int keyAction = command.getKeyAction();
+        Log.d(TAG, "Key press: keyCode=" + keyCode + ", keyAction=" + keyAction);
+        inputExecutor.injectKeyEvent(keyCode, keyAction);
     }
 
     private void handleSwipe(ControlMessage command) {
diff --git a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/InputExecutor.java b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/InputExecutor.java
index af26acb..603cb5a 100644
--- a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/InputExecutor.java
+++ b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/InputExecutor.java
@@ -7,7 +7,12 @@ public interface InputExecutor {
     void injectTap(int x, int y);
     void injectLongPress(int x, int y);
     void injectSwipe(int x1, int y1, int x2, int y2, long duration);
-    void injectKeyEvent(int keyCode);
+    /**
+     * 注入按键事件。
+     * @param keyCode   Android KeyEvent 键值（如 KeyEvent.KEYCODE_A）。
+     * @param keyAction 动作：0=ACTION_DOWN，1=ACTION_UP；传 -1 表示“按下并立即抬起”的一次性点击（兼容旧行为）。
+     */
+    void injectKeyEvent(int keyCode, int keyAction);
     void injectMotionEvent(int action, int x, int y);
 
     /**
diff --git a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/RootShellInputUtils.java b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/RootShellInputUtils.java
index 1da7f8e..c7d9c86 100644
--- a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/RootShellInputUtils.java
+++ b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/RootShellInputUtils.java
@@ -31,7 +31,7 @@ public class RootShellInputUtils implements InputExecutor {
     }
 
     @Override
-    public void injectKeyEvent(int keyCode) {
+    public void injectKeyEvent(int keyCode, int keyAction) {
         executeRootCommand(String.format(Locale.US, "input keyevent %d", keyCode));
     }
 
diff --git a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/ShellInputUtils.java b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/ShellInputUtils.java
index cbe1bca..85f8244 100644
--- a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/ShellInputUtils.java
+++ b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/ShellInputUtils.java
@@ -25,7 +25,7 @@ public class ShellInputUtils implements InputExecutor {
     }
 
     @Override
-    public void injectKeyEvent(int keyCode) {
+    public void injectKeyEvent(int keyCode, int keyAction) {
         executeShellCommand(String.format(Locale.US, "input keyevent %d", keyCode));
     }
 
diff --git a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/SystemInputUtils.java b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/SystemInputUtils.java
index d91d878..e24ea6a 100644
--- a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/SystemInputUtils.java
+++ b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/input/SystemInputUtils.java
@@ -2,6 +2,7 @@ package com.ttstd.controlled.input;
 
 import android.os.SystemClock;
 import android.util.Log;
+import android.util.SparseLongArray;
 import android.view.InputDevice;
 import android.view.InputEvent;
 import android.view.KeyEvent;
@@ -21,6 +22,7 @@ public class SystemInputUtils implements InputExecutor {
     private static final int INJECT_INPUT_EVENT_MODE_ASYNC = 0;
     private static final int INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH = 2;
     private long mDownTime;
+    private final SparseLongArray mKeyDownTimes = new SparseLongArray();
 
     public SystemInputUtils() {
         try {
@@ -69,10 +71,28 @@ public class SystemInputUtils implements InputExecutor {
     }
 
     @Override
-    public void injectKeyEvent(int keyCode) {
+    public void injectKeyEvent(int keyCode, int keyAction) {
+        if (mInputManager == null || mInjectInputEventMethod == null) {
+            return;
+        }
         long now = SystemClock.uptimeMillis();
-        injectKeyEvent(now, now, KeyEvent.ACTION_DOWN, keyCode);
-        injectKeyEvent(now, SystemClock.uptimeMillis(), KeyEvent.ACTION_UP, keyCode);
+        if (keyAction < 0) {
+            // 向后兼容：未指定动作时执行“按下并立即抬起”的一次性点击
+            injectKeyEvent(now, now, KeyEvent.ACTION_DOWN, keyCode);
+            injectKeyEvent(now, now, KeyEvent.ACTION_UP, keyCode);
+            return;
+        }
+        int action = (keyAction == 0) ? KeyEvent.ACTION_DOWN : KeyEvent.ACTION_UP;
+        long downTime;
+        if (action == KeyEvent.ACTION_DOWN) {
+            downTime = now;
+            mKeyDownTimes.put(keyCode, downTime);
+        } else {
+            // 抬起时复用按下时刻，保证同一次按键周期内 downTime 一致（用于长按/组合键识别）
+            downTime = mKeyDownTimes.get(keyCode, now);
+            mKeyDownTimes.delete(keyCode);
+        }
+        injectKeyEvent(downTime, now, action, keyCode);
     }
 
     @Override
diff --git a/WebRTCControllerWeb/src/App.vue b/WebRTCControllerWeb/src/App.vue
index 409f8f7..8ae9b12 100644
--- a/WebRTCControllerWeb/src/App.vue
+++ b/WebRTCControllerWeb/src/App.vue
@@ -27,10 +27,7 @@ async function onLogout() {
     <template v-else>
       <header class="topbar">
         <div class="brand">WebRTC 网页远程控制</div>
-        <div class="user">
-          <span class="user-name">{{ store.username || '已登录' }}</span>
-          <button class="btn ghost" @click="onLogout">退出</button>
-        </div>
+
         <div class="status" :class="{ ok: store.rtcConnected }">{{ store.statusText }}</div>
         <div class="badges">
           <span class="badge" :class="{ on: store.signalingConnected }">信令</span>
@@ -38,6 +35,12 @@ async function onLogout() {
           <span class="badge" :class="{ on: store.rtcConnected }">P2P</span>
           <span class="badge" :class="{ on: store.dataChannelOpen }">通道</span>
         </div>
+        <div class="user">
+          <span class="user-name" :title="store.username || '已登录'">
+            {{ store.username || '已登录' }}
+          </span>
+          <button class="btn ghost" type="button" @click="onLogout">退出</button>
+        </div>
       </header>
 
       <main class="layout">
diff --git a/WebRTCControllerWeb/src/components/ControlBar.vue b/WebRTCControllerWeb/src/components/ControlBar.vue
index 7d4ca5f..d9c814e 100644
--- a/WebRTCControllerWeb/src/components/ControlBar.vue
+++ b/WebRTCControllerWeb/src/components/ControlBar.vue
@@ -1,6 +1,6 @@
 <script setup>
 import { ref, watch } from 'vue';
-import { store, sendKey, sendResolutionChange, toggleRecording } from '../store/controllerStore';
+import { store, sendKeyDown, sendKeyUp, sendResolutionChange, toggleRecording } from '../store/controllerStore';
 
 // Android KeyEvent 键值（与被控端 SystemInputUtils 注入一致）
 const keys = [
@@ -29,9 +29,69 @@ const selectedResolution = ref(0);
 const fpsOptions = ref([15, 24, 30, 60]);
 const selectedFps = ref(0); // 0 表示尚未同步到被控端当前帧率
 
-function press(code) {
+function pressDown(code) {
   if (!store.dataChannelOpen) return;
-  sendKey(code);
+  sendKeyDown(code);
+}
+function pressUp(code) {
+  if (!store.dataChannelOpen) return;
+  sendKeyUp(code);
+}
+
+// ----- 键盘捕获输入（真实键盘打字） -----
+// 将浏览器 KeyboardEvent.key / .code 映射为 Android KeyEvent 键值。
+// 覆盖字母、数字、空格、回车、退格、制表、方向键、修饰键与常用符号。
+const KEY_MAP = {
+  // 字母
+  a: 29, b: 30, c: 31, d: 32, e: 33, f: 34, g: 35, h: 36, i: 37, j: 38, k: 39,
+  l: 40, m: 41, n: 42, o: 43, p: 44, q: 45, r: 46, s: 47, t: 48, u: 49, v: 50,
+  w: 51, x: 52, y: 53, z: 54,
+  // 数字（主键盘）
+  '0': 7, '1': 8, '2': 9, '3': 10, '4': 11, '5': 12, '6': 13, '7': 14, '8': 15, '9': 16,
+  // 控制键
+  Enter: 66, Backspace: 67, Tab: 61, Space: 62, Delete: 112, Escape: 111,
+  ArrowLeft: 21, ArrowUp: 19, ArrowRight: 22, ArrowDown: 20,
+  Home: 3, End: 123, PageUp: 92, PageDown: 93, Insert: 124,
+  '`': 68, '-': 69, '=': 70, '[': 71, ']': 72, '\\': 73, ';': 74, '\'': 75, ',': 55, '.': 56, '/': 76,
+};
+// 修饰键（按下保持，直到抬起）
+const MODIFIER_MAP = {
+  Shift: 59, Control: 113, Alt: 57, Meta: 117,
+};
+
+const keyInputRef = ref(null);
+const keyLog = ref('');
+
+function lookupKeyCode(e) {
+  // 优先使用 e.code（如物理键位置稳定），再回退到 e.key。
+  if (MODIFIER_MAP[e.key]) return { code: MODIFIER_MAP[e.key], modifier: true };
+  if (KEY_MAP[e.key] !== undefined) return { code: KEY_MAP[e.key], modifier: false };
+  if (KEY_MAP[e.code]) return { code: KEY_MAP[e.code], modifier: false };
+  return null;
+}
+
+function onKeyInputDown(e) {
+  if (!store.dataChannelOpen) return;
+  const m = lookupKeyCode(e);
+  if (!m) return;
+  e.preventDefault();
+  sendKeyDown(m.code);
+}
+
+function onKeyInputUp(e) {
+  if (!store.dataChannelOpen) return;
+  const m = lookupKeyCode(e);
+  if (!m) return;
+  e.preventDefault();
+  sendKeyUp(m.code);
+}
+
+function focusKeyInput() {
+  keyInputRef.value && keyInputRef.value.focus();
+}
+// 点击区域任意位置自动聚焦输入框，方便直接用键盘打字
+function onCaptureClick() {
+  focusKeyInput();
 }
 
 function onResolutionChange() {
@@ -100,15 +160,22 @@ watch(() => store.currentResolution, (res) => {
 
       <span class="record-sep"></span>
 
-      <button
-        class="record-btn"
-        :class="{ recording: store.recording }"
-        :disabled="!store.rtcConnected"
-        @click="toggleRecording"
-      >
-        {{ store.recording ? '停止录制' : '录制' }}
-      </button>
-      <span class="record-status" v-if="store.recordStatus">{{ store.recordStatus }}</span>
+      <!-- 录制按钮与状态包成一组，保证换行时二者始终同进同退、不被拆散 -->
+      <div class="record-group">
+        <button
+          class="record-btn"
+          :class="{ recording: store.recording }"
+          :disabled="!store.rtcConnected"
+          @click="toggleRecording"
+        >
+          {{ store.recording ? '停止录制' : '录制' }}
+        </button>
+        <span
+          class="record-status"
+          v-if="store.recordStatus"
+          :title="store.recordStatus"
+        >{{ store.recordStatus }}</span>
+      </div>
     </div>
 
     <button
@@ -116,33 +183,71 @@ watch(() => store.currentResolution, (res) => {
       :key="k.code"
       class="key-btn"
       :disabled="!store.dataChannelOpen"
-      @click="press(k.code)"
+      @pointerdown.prevent="pressDown(k.code)"
+      @pointerup.prevent="pressUp(k.code)"
+      @pointerleave.prevent="pressUp(k.code)"
+      @pointercancel.prevent="pressUp(k.code)"
     >
       {{ k.label }}
     </button>
+
+    <div class="keyboard-capture" @click="onCaptureClick">
+      <label class="kb-label">键盘输入:</label>
+      <input
+        ref="keyInputRef"
+        class="kb-input"
+        type="text"
+        placeholder="点击此处后可直接用键盘打字"
+        :disabled="!store.dataChannelOpen"
+        @keydown="onKeyInputDown"
+        @keyup="onKeyInputUp"
+        @blur="keyLog = ''"
+      />
+      <span class="kb-hint">支持字母/数字/符号/方向键/修饰键组合</span>
+    </div>
   </div>
 </template>
 
 <style scoped>
 .record-sep {
-  display: inline-block;
   width: 1px;
   height: 22px;
-  margin: 0 10px;
+  margin: 0 4px;
   background: #3a3f4b;
-  vertical-align: middle;
+  flex-shrink: 0;
+}
+
+/* 录制按钮 + 状态作为一个不可拆分的整体参与换行 */
+.record-group {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  flex-wrap: nowrap;
+  min-width: 0;
+  max-width: 100%;
 }
 
 .record-btn {
-  padding: 6px 14px;
+  /* flex-shrink:0 + nowrap 是"永不换行"的关键：
+     作为 flex 子项默认可被压缩到小于文字宽度，从而把"停止录制"挤成两行。 */
+  flex: 0 0 auto;
+  flex-shrink: 0;
+  white-space: nowrap;
+  word-break: keep-all;
+  min-width: fit-content;
+  padding: 8px 16px;
   border: 1px solid #3a3f4b;
   border-radius: 6px;
   background: #2b6cff;
   color: #fff;
   font-size: 14px;
+  line-height: 1.2;
   cursor: pointer;
+  transition: background-color .15s ease, border-color .15s ease;
 }
 
+.record-btn:hover:not(:disabled) { background: #1f5ce0; }
+
 .record-btn:disabled {
   background: #3a3f4b;
   color: #888;
@@ -151,12 +256,68 @@ watch(() => store.currentResolution, (res) => {
 
 .record-btn.recording {
   background: #e5484d;
+  border-color: #e5484d;
 }
 
+.record-btn.recording:hover:not(:disabled) { background: #cf3b40; }
+
 .record-status {
-  margin-left: 8px;
+  /* 空间不足时由状态文字收缩并省略，保证按钮文字完整、二者同处一行 */
+  flex: 0 1 auto;
+  min-width: 0;
+  max-width: 180px;
   font-size: 13px;
   color: #ffb020;
   white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+/* 换行后竖线分隔符失去意义，反而造成视觉噪点 */
+@media (max-width: 640px) {
+  .record-sep { display: none; }
+}
+
+/* ----- 键盘捕获输入 ----- */
+.keyboard-capture {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-top: 8px;
+  flex-wrap: wrap;
+}
+
+.kb-label {
+  font-size: 14px;
+  color: #cfd3dc;
+  white-space: nowrap;
+}
+
+.kb-input {
+  flex: 1 1 240px;
+  min-width: 200px;
+  padding: 7px 10px;
+  border: 1px solid #3a3f4b;
+  border-radius: 6px;
+  background: #1b1e24;
+  color: #fff;
+  font-size: 14px;
+  outline: none;
+}
+
+.kb-input:focus {
+  border-color: #2b6cff;
+}
+
+.kb-input:disabled {
+  background: #23262d;
+  color: #888;
+  cursor: not-allowed;
+}
+
+.kb-hint {
+  font-size: 12px;
+  color: #888;
+  white-space: nowrap;
 }
 </style>
diff --git a/WebRTCControllerWeb/src/services/WebRtcController.js b/WebRTCControllerWeb/src/services/WebRtcController.js
index bc27161..783acef 100644
--- a/WebRTCControllerWeb/src/services/WebRtcController.js
+++ b/WebRTCControllerWeb/src/services/WebRtcController.js
@@ -227,7 +227,10 @@ export class WebRtcController {
 
   sendTouch(x, y) { return this.sendControlMessage({ action: 1, x, y }); }            // TOUCH
   sendSwipe(x1, y1, x2, y2, duration) { return this.sendControlMessage({ action: 2, x1, y1, x2, y2, duration }); } // SWIPE
-  sendKey(keyCode) { return this.sendControlMessage({ action: 3, keyCode, keyAction: 0 }); } // KEY
+  // KEY：keyAction 0=按下 1=抬起；不传/负数表示“按下并立即抬起”的一次性点击（兼容旧行为）。
+  sendKey(keyCode) { return this.sendControlMessage({ action: 3, keyCode, keyAction: -1 }); }  // KEY（按下+抬起一次性点击）
+  sendKeyDown(keyCode) { return this.sendControlMessage({ action: 3, keyCode, keyAction: 0 }); } // KEY DOWN
+  sendKeyUp(keyCode) { return this.sendControlMessage({ action: 3, keyCode, keyAction: 1 }); }   // KEY UP
   sendLongPress(x, y) { return this.sendControlMessage({ action: 4, x, y }); }        // LONG_PRESS
   sendMotionEvent(action, x, y) { return this.sendControlMessage({ action: 5, motionAction: action, x, y }); } // MOTION_EVENT
   sendResolutionChange(width, height, fps) { return this.sendControlMessage({ action: 6, width, height, fps }); } // SET_RESOLUTION
diff --git a/WebRTCControllerWeb/src/store/controllerStore.js b/WebRTCControllerWeb/src/store/controllerStore.js
index 1263b0b..bd66177 100644
--- a/WebRTCControllerWeb/src/store/controllerStore.js
+++ b/WebRTCControllerWeb/src/store/controllerStore.js
@@ -426,6 +426,8 @@ export function sendSwipe(x1, y1, x2, y2, duration) { return webrtc && webrtc.se
 export function sendLongPress(x, y) { return webrtc && webrtc.sendLongPress(x, y); }
 export function sendMotionEvent(action, x, y) { return webrtc && webrtc.sendMotionEvent(action, x, y); }
 export function sendKey(keyCode) { return webrtc && webrtc.sendKey(keyCode); }
+export function sendKeyDown(keyCode) { return webrtc && webrtc.sendKeyDown(keyCode); }
+export function sendKeyUp(keyCode) { return webrtc && webrtc.sendKeyUp(keyCode); }
 export function sendResolutionChange(width, height, fps) { return webrtc && webrtc.sendResolutionChange(width, height, fps); }
 
 function parsePayload(payload) {
diff --git a/WebRTCControllerWeb/src/style.css b/WebRTCControllerWeb/src/style.css
index dd9b7c3..dc0a863 100644
--- a/WebRTCControllerWeb/src/style.css
+++ b/WebRTCControllerWeb/src/style.css
@@ -39,10 +39,17 @@ body {
   background: var(--panel);
   border-bottom: 1px solid var(--border);
 }
-.brand { font-weight: 700; font-size: 16px; letter-spacing: .5px; }
-.status { color: var(--muted); font-size: 13px; }
+.brand { font-weight: 700; font-size: 16px; letter-spacing: .5px; flex-shrink: 0; }
+.status {
+  color: var(--muted);
+  font-size: 13px;
+  min-width: 0;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
 .status.ok { color: var(--accent-2); }
-.badges { margin-left: auto; display: flex; gap: 8px; }
+.badges { margin-left: auto; display: flex; gap: 8px; flex-shrink: 0; }
 .badge {
   font-size: 12px;
   padding: 3px 9px;
@@ -53,6 +60,45 @@ body {
 }
 .badge.on { background: rgba(34,197,94,.15); color: var(--accent-2); border-color: rgba(34,197,94,.4); }
 
+/* 顶栏右侧用户区：与 badges 之间用分隔线区隔，避免视觉上和状态徽标混作一团 */
+.user {
+  display: flex;
+  align-items: center;
+  gap: 7px;
+  padding-left: 16px;
+  margin-left: 4px;
+  border-left: 1px solid var(--border);
+}
+/* 名字与退出按钮之间留出更明显的间距，避免误点 */
+.user .btn.ghost { margin-left: 5px; }
+/* 在线小圆点独立于文本容器，避免用户名过长时被 overflow:hidden 裁掉 */
+.user::before {
+  content: '';
+  width: 7px;
+  height: 7px;
+  flex-shrink: 0;
+  border-radius: 50%;
+  background: var(--accent-2);
+  box-shadow: 0 0 0 3px rgba(34,197,94,.16);
+}
+.user-name {
+  max-width: 160px;
+  font-size: 13px;
+  font-weight: 600;
+  color: var(--text);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+/* 窄屏下优先保住用户区与徽标，隐藏次要的状态文案 */
+@media (max-width: 720px) {
+  .topbar { gap: 10px; padding: 10px 12px; }
+  .status { display: none; }
+  .user { padding-left: 10px; }
+  .user-name { max-width: 92px; }
+}
+
 .layout { display: flex; flex: 1; min-height: 0; }
 .sidebar {
   width: 320px;
@@ -94,6 +140,29 @@ body {
 .btn.secondary { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
 .btn.danger { background: var(--danger); }
 
+/* 幽灵按钮：用于顶栏等行内场景，需覆盖 .btn 的 width:100% 与实心背景 */
+.btn.ghost {
+  width: auto;
+  flex-shrink: 0;
+  padding: 6px 14px;
+  font-size: 13px;
+  font-weight: 500;
+  line-height: 1.4;
+  color: var(--muted);
+  background: transparent;
+  border: 1px solid var(--border);
+  border-radius: 7px;
+  transition: color .15s ease, border-color .15s ease, background-color .15s ease;
+}
+.btn.ghost:hover {
+  filter: none;
+  color: var(--danger);
+  background: rgba(239,68,68,.1);
+  border-color: rgba(239,68,68,.45);
+}
+.btn.ghost:active { background: rgba(239,68,68,.18); }
+.btn.ghost:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
+
 .section-title { font-size: 13px; font-weight: 600; margin: 18px 0 10px; color: var(--text); }
 .hint { font-size: 12px; color: var(--muted); line-height: 1.5; }
 .error { color: var(--danger); font-size: 12px; margin-top: 8px; }
@@ -146,9 +215,16 @@ body {
   border-top: 1px solid var(--border);
   flex-wrap: wrap;
   justify-content: center;
+  align-items: center;
+  /* min-width:0 允许在窄容器下真正收缩，避免内容溢出盖住左侧 ConnectionPanel */
+  min-width: 0;
+  max-width: 100%;
+  overflow-x: hidden;
 }
 .key-btn {
-  min-width: 84px;
+  /* 用 flex 基准替代固定 min-width，空间不足时可等比收缩而不是撑破容器 */
+  flex: 0 1 auto;
+  min-width: 0;
   padding: 10px 14px;
   border-radius: 8px;
   background: var(--panel-2);
@@ -156,6 +232,7 @@ body {
   color: var(--text);
   font-size: 13px;
   font-weight: 600;
+  white-space: nowrap;
   cursor: pointer;
 }
 .key-btn:hover { border-color: var(--accent); }
@@ -165,9 +242,24 @@ body {
   display: flex;
   align-items: center;
   gap: 8px;
+  /* 作为 .control-bar 的 flex 子项，默认 min-width:auto 会拒绝收缩导致溢出 */
+  min-width: 0;
+  max-width: 100%;
+  flex-wrap: wrap;
+  row-gap: 8px;
+}
+.resolution-label {
+  font-size: 13px;
+  color: var(--text);
+  font-weight: 600;
+  white-space: nowrap;
+  flex-shrink: 0;
 }
-.resolution-label { font-size: 13px; color: var(--text); font-weight: 600; }
 .resolution-select {
+  /* 允许收缩到 72px，超出部分由 text-overflow 处理，避免把整行撑破 */
+  flex: 0 1 auto;
+  min-width: 72px;
+  max-width: 100%;
   padding: 9px 11px;
   background: var(--panel-2);
   border: 1px solid var(--border);
@@ -176,10 +268,36 @@ body {
   font-size: 13px;
   outline: none;
   cursor: pointer;
+  text-overflow: ellipsis;
 }
 .resolution-select:focus { border-color: var(--accent); }
 .resolution-select:disabled { opacity: .5; cursor: not-allowed; }
-.resolution-current { font-size: 12px; color: var(--muted); }
+.resolution-current {
+  /* 始终保留可见：空间不足时靠自身收缩+省略号，而不是整体隐藏 */
+  flex: 0 1 auto;
+  min-width: 0;
+  font-size: 12px;
+  color: var(--muted);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+/* 窄屏渐进降级：所有元素保持可见，仅通过收紧间距/字号与
+   文本省略来适配，必要时换行，绝不隐藏内容。 */
+@media (max-width: 1100px) {
+  .control-bar { gap: 6px; padding: 10px; }
+  .key-btn { padding: 9px 11px; }
+}
+@media (max-width: 900px) {
+  .key-btn { padding: 8px 10px; font-size: 12px; }
+  .resolution-current { font-size: 11px; }
+}
+@media (max-width: 640px) {
+  .control-bar { justify-content: flex-start; }
+  .resolution-row { width: 100%; }
+  .key-btn { flex: 1 1 auto; min-width: 64px; }
+}
 
 .footer { background: var(--panel); border-top: 1px solid var(--border); }
 .stats-bar {
diff --git a/WebRTCSignalServer/src/main/java/com/ttstd/signaling/config/AdminAuthFilter.java b/WebRTCSignalServer/src/main/java/com/ttstd/signaling/config/AdminAuthFilter.java
index f4c2ef6..d87e962 100644
--- a/WebRTCSignalServer/src/main/java/com/ttstd/signaling/config/AdminAuthFilter.java
+++ b/WebRTCSignalServer/src/main/java/com/ttstd/signaling/config/AdminAuthFilter.java
@@ -60,17 +60,24 @@ public class AdminAuthFilter extends OncePerRequestFilter {
             writeUnauthorized(response, "管理员令牌为空");
             return;
         }
+        AdminAuthPrincipal principal;
         try {
             Map<String, Object> claims = adminService.verifyToken(token);
             String sub = com.ttstd.signaling.security.JwtService.claimAsString(claims, "sub");
-            AdminAuthPrincipal principal = new AdminAuthPrincipal(sub);
-            request.setAttribute("adminPrincipal", principal);
-            filterChain.doFilter(request, response);
+            principal = new AdminAuthPrincipal(sub);
         } catch (AuthException e) {
-            writeUnauthorized(response, e.getMessage());
+            writeUnauthorized(response, e.getPublicMessage());
+            return;
         } catch (Exception e) {
             writeUnauthorized(response, "令牌校验失败");
+            return;
         }
+
+        // 令牌校验通过后才放行。注意：doFilter 必须在 try/catch 之外，
+        // 否则下游 Controller/Service 抛出的业务异常（如密码强度不足的 400）
+        // 会被误捕获并改写成 401，导致前端清除令牌、管理员被强制下线。
+        request.setAttribute("adminPrincipal", principal);
+        filterChain.doFilter(request, response);
     }
 
     private void writeUnauthorized(HttpServletResponse response, String message) throws IOException {
diff --git a/WebRTCSignalServerWeb/.env b/WebRTCSignalServerWeb/.env
index 40e9a3f..f356f43 100644
--- a/WebRTCSignalServerWeb/.env
+++ b/WebRTCSignalServerWeb/.env
@@ -4,7 +4,7 @@
 
 # 【代理目标】Vite dev server 把 /api/** 转发到这里（仅开发态生效，浏览器不直接访问）。
 # 后端 Spring Boot 地址，按需改成本机或远程信令服务器。
-VITE_API_TARGET=http://localhost:8080
+VITE_API_TARGET=http://192.168.5.224:8080
 
 # 【请求基地址】留空表示走相对路径 /api（同源，经上面的代理转发）——推荐保持留空。
 # 仅在需要浏览器直连后端、绕过代理时才填绝对地址，例如：
diff --git a/WebRTCSignalServerWeb/src/api/admin.ts b/WebRTCSignalServerWeb/src/api/admin.ts
index 20fcc58..637fdfa 100644
--- a/WebRTCSignalServerWeb/src/api/admin.ts
+++ b/WebRTCSignalServerWeb/src/api/admin.ts
@@ -130,7 +130,6 @@ export interface UserAccountView {
   status: AccountStatus;
   statusReason: string | null;
   statusUntil: number | null;
-  admin: boolean;
   totpEnabled: boolean;
   createdAt: number;
   lastLoginAt: number | null;
@@ -158,7 +157,6 @@ export function getUsers(query: UserQuery = {}): Promise<UserAccountView[]> {
 export function createUser(payload: {
   username: string;
   password: string;
-  admin?: boolean;
 }): Promise<{ success: boolean; message?: string; user?: UserAccountView }> {
   return request.post('/api/admin/users', payload) as unknown as Promise<{
     success: boolean;
@@ -182,12 +180,6 @@ export function resetUserPassword(
   }) as unknown as Promise<{ success: boolean; message?: string }>;
 }
 
-export function setUserAdmin(userId: string, admin: boolean): Promise<{ success: boolean }> {
-  return request.post(`/api/admin/users/${encodeURIComponent(userId)}/admin`, {
-    admin,
-  }) as unknown as Promise<{ success: boolean }>;
-}
-
 /** 封禁账号，durationSeconds 省略或 <=0 表示永久。 */
 export function banUser(
   userId: string,
diff --git a/WebRTCSignalServerWeb/src/api/request.ts b/WebRTCSignalServerWeb/src/api/request.ts
index a01ba7f..28ec14d 100644
--- a/WebRTCSignalServerWeb/src/api/request.ts
+++ b/WebRTCSignalServerWeb/src/api/request.ts
@@ -41,8 +41,8 @@ request.interceptors.response.use(
     if (status === 401) {
       localStorage.removeItem('admin_token');
       ElMessage.error('登录已失效，请重新登录');
-      if (router.currentRoute.value.name !== 'Login') {
-        router.replace({ name: 'Login' });
+      if (router.currentRoute.value.name !== 'login') {
+        router.replace({ name: 'login' });
       }
     } else {
       ElMessage.error(error.response?.data?.message || error.message || '请求失败');
diff --git a/WebRTCSignalServerWeb/src/views/users/UserList.vue b/WebRTCSignalServerWeb/src/views/users/UserList.vue
index d15242d..4f2c3d9 100644
--- a/WebRTCSignalServerWeb/src/views/users/UserList.vue
+++ b/WebRTCSignalServerWeb/src/views/users/UserList.vue
@@ -31,9 +31,6 @@
         <el-table-column prop="username" label="用户名" min-width="150">
           <template #default="{ row }">
             <span class="link-user" @click="openBindings(row)">{{ row.username }}</span>
-            <el-tag v-if="row.admin" type="danger" size="small" style="margin-left: 6px">
-              管理员
-            </el-tag>
             <el-tag v-if="row.deviceCount > 0" type="info" size="small" style="margin-left: 6px">
               {{ row.deviceCount }} 台设备
             </el-tag>
@@ -96,9 +93,6 @@
                   <el-dropdown-item command="bindings">查看绑定设备</el-dropdown-item>
                   <el-dropdown-item command="sessions">查看会话</el-dropdown-item>
                   <el-dropdown-item command="reset">重置密码</el-dropdown-item>
-                  <el-dropdown-item command="admin">
-                    {{ row.admin ? '取消管理员' : '设为管理员' }}
-                  </el-dropdown-item>
                   <el-dropdown-item command="delete" divided>删除账号</el-dropdown-item>
                 </el-dropdown-menu>
               </template>
@@ -118,9 +112,6 @@
         <el-form-item label="密码" prop="password">
           <el-input v-model="createForm.password" type="password" show-password />
         </el-form-item>
-        <el-form-item label="管理员">
-          <el-switch v-model="createForm.admin" />
-        </el-form-item>
       </el-form>
       <template #footer>
         <el-button @click="createVisible = false">取消</el-button>
@@ -211,7 +202,6 @@ import {
   createUser,
   deleteUser,
   resetUserPassword,
-  setUserAdmin,
   banUser,
   unbanUser,
   kickUser,
@@ -249,7 +239,7 @@ watch(statusFilter, load);
 // ---------- 添加用户 ----------
 const createVisible = ref(false);
 const createFormRef = ref<FormInstance>();
-const createForm = ref({ username: '', password: '', admin: false });
+const createForm = ref({ username: '', password: '' });
 const createRules: FormRules = {
   username: [
     { required: true, message: '请输入用户名', trigger: 'blur' },
@@ -262,7 +252,7 @@ const createRules: FormRules = {
 };
 
 function openCreate() {
-  createForm.value = { username: '', password: '', admin: false };
+  createForm.value = { username: '', password: '' };
   createVisible.value = true;
 }
 
@@ -328,19 +318,6 @@ async function handleDelete(row: UserAccountView) {
   await load();
 }
 
-async function handleToggleAdmin(row: UserAccountView) {
-  const next = !row.admin;
-  const ok = await ElMessageBox.confirm(
-    `确定${next ? '授予' : '取消'}「${row.username}」的管理员权限？`,
-    '权限调整',
-    { type: 'warning', confirmButtonText: '确定', cancelButtonText: '取消' },
-  ).catch(() => false);
-  if (!ok) return;
-  await setUserAdmin(row.userId, next);
-  ElMessage.success('权限已更新');
-  await load();
-}
-
 // ---------- 重置密码 ----------
 const resetVisible = ref(false);
 const newPassword = ref('');
@@ -366,6 +343,9 @@ async function submitReset() {
     } else {
       ElMessage.error(resp.message || '重置失败');
     }
+  } catch {
+    // 错误提示已由 request 响应拦截器统一弹出，这里仅吞掉异常，
+    // 避免未捕获的 Promise rejection，并保证弹窗保持打开以便重试。
   } finally {
     submitting.value = false;
   }
@@ -418,7 +398,6 @@ function handleCommand(cmd: string, row: UserAccountView) {
   if (cmd === 'bindings') openBindings(row);
   else if (cmd === 'sessions') openSessions(row);
   else if (cmd === 'reset') openReset(row);
-  else if (cmd === 'admin') handleToggleAdmin(row);
   else if (cmd === 'delete') handleDelete(row);
 }