diff --git a/frontend/src/pages/cloud-law/video-call.vue b/frontend/src/pages/cloud-law/video-call.vue
index d5a1bed..94f7034 100644
--- a/frontend/src/pages/cloud-law/video-call.vue
+++ b/frontend/src/pages/cloud-law/video-call.vue
@@ -90,6 +90,11 @@
           <text class="control-label">麦克风{{ audioEnabled ? '已开' : '已关' }}</text>
         </view>
       </view>
+
+      <!-- 屏幕可见的调试浮层（小程序 WebView 看不到 console，先用这个排查按钮无反应问题） -->
+      <view v-if="debugLines.length" class="debug-panel">
+        <view class="debug-line" v-for="(line, idx) in debugLines" :key="idx">{{ line }}</view>
+      </view>
     </view>
   </view>
 </template>
@@ -316,6 +321,16 @@ const startTimer = () => {
 
 const localMediaError = ref('')
 
+// 屏幕可见的调试日志（小程序 WebView 没法看 console）
+const debugLines = ref([])
+const pushDebug = (msg) => {
+  try {
+    const line = `[${new Date().toLocaleTimeString()}] ${msg}`
+    debugLines.value = [...debugLines.value.slice(-9), line]
+    console.log('[CloudLawVideoCall][DEBUG]', line)
+  } catch (e) { /* ignore */ }
+}
+
 const joinMeeting = async () => {
   if (joining.value) return
   const code = formattedCode.value
@@ -436,70 +451,52 @@ const swapPrimaryTile = () => {
 }
 
 const onMicToggle = async () => {
-  console.log('[CloudLawVideoCall] onMicToggle clicked', {
-    audioLoading: audioLoading.value,
-    leaving: leaving.value,
-    audioEnabled: audioEnabled.value,
-    localAudioEnabled: meetingStore.localAudioEnabled,
-    localProducerAudio: meetingStore.localProducers?.audio,
-    isInMeeting: meetingStore.isInMeeting
-  })
+  pushDebug(`mic点击 loading=${audioLoading.value} leaving=${leaving.value} on=${audioEnabled.value} producer=${meetingStore.localProducers?.audio || 'null'}`)
   if (audioLoading.value || leaving.value) {
-    console.warn('[CloudLawVideoCall] onMicToggle short-circuited by loading/leaving flag')
+    pushDebug('mic 被 loading/leaving 拦住')
     return
   }
   audioLoading.value = true
   try {
     if (audioEnabled.value) {
-      console.log('[CloudLawVideoCall] -> stopLocalAudio')
+      pushDebug('mic -> stopLocalAudio')
       await meetingStore.stopLocalAudio()
-      console.log('[CloudLawVideoCall] stopLocalAudio done')
+      pushDebug('mic stop 完成')
     } else {
-      console.log('[CloudLawVideoCall] -> startLocalAudio')
+      pushDebug('mic -> startLocalAudio')
       await meetingStore.startLocalAudio()
-      console.log('[CloudLawVideoCall] startLocalAudio done, localAudioEnabled =', meetingStore.localAudioEnabled)
+      pushDebug(`mic start 完成 enabled=${meetingStore.localAudioEnabled}`)
       localMediaError.value = ''
     }
   } catch (err) {
-    console.error('[CloudLawVideoCall] mic toggle failed', err)
-    const msg = err?.message || '麦克风操作失败'
-    localMediaError.value = `麦克风：${msg}`
-    uni.showModal({ title: '麦克风操作失败', content: msg, showCancel: false })
+    pushDebug(`mic 报错: ${err?.name || ''} ${err?.message || err}`)
+    localMediaError.value = `麦克风：${err?.message || err}`
   } finally {
     audioLoading.value = false
   }
 }
 
 const onCamToggle = async () => {
-  console.log('[CloudLawVideoCall] onCamToggle clicked', {
-    videoLoading: videoLoading.value,
-    leaving: leaving.value,
-    videoEnabled: videoEnabled.value,
-    localVideoEnabled: meetingStore.localVideoEnabled,
-    localProducerVideo: meetingStore.localProducers?.video,
-    isInMeeting: meetingStore.isInMeeting
-  })
+  pushDebug(`cam点击 loading=${videoLoading.value} leaving=${leaving.value} on=${videoEnabled.value} producer=${meetingStore.localProducers?.video || 'null'}`)
   if (videoLoading.value || leaving.value) {
-    console.warn('[CloudLawVideoCall] onCamToggle short-circuited by loading/leaving flag')
+    pushDebug('cam 被 loading/leaving 拦住')
     return
   }
   videoLoading.value = true
   try {
     if (videoEnabled.value) {
-      console.log('[CloudLawVideoCall] -> stopLocalVideo')
+      pushDebug('cam -> stopLocalVideo')
       await meetingStore.stopLocalVideo()
-      console.log('[CloudLawVideoCall] stopLocalVideo done')
+      pushDebug('cam stop 完成')
     } else {
-      console.log('[CloudLawVideoCall] -> startLocalVideo')
+      pushDebug('cam -> startLocalVideo')
       await meetingStore.startLocalVideo()
-      console.log('[CloudLawVideoCall] startLocalVideo done, localVideoEnabled =', meetingStore.localVideoEnabled)
+      pushDebug(`cam start 完成 enabled=${meetingStore.localVideoEnabled}`)
       localMediaError.value = ''
     }
   } catch (err) {
-    console.error('[CloudLawVideoCall] cam toggle failed', err)
-    const msg = err?.message || '摄像头操作失败'
-    localMediaError.value = `摄像头：${msg}`
-    uni.showModal({ title: '摄像头操作失败', content: msg, showCancel: false })
+    pushDebug(`cam 报错: ${err?.name || ''} ${err?.message || err}`)
+    localMediaError.value = `摄像头：${err?.message || err}`
   } finally {
     videoLoading.value = false
   }
@@ -889,4 +886,24 @@ onUnload(() => {
 .clean-video-tile :deep(.tag-host) {
   display: none;
 }
+/* 屏幕调试浮层 */
+.debug-panel {
+  position: absolute;
+  left: 12rpx;
+  right: 12rpx;
+  bottom: calc(560rpx + env(safe-area-inset-bottom));
+  z-index: 99;
+  max-height: 360rpx;
+  overflow: auto;
+  background: rgba(0, 0, 0, 0.72);
+  color: #b6f8ff;
+  font-size: 22rpx;
+  line-height: 1.45;
+  padding: 12rpx 16rpx;
+  border-radius: 12rpx;
+  pointer-events: none;
+}
+.debug-line {
+  word-break: break-all;
+}
 </style>