diff --git a/backend/main.py b/backend/main.py
index cf65c454..9133e58d 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -985,7 +985,7 @@ class AppServer:
                 
                 # 调用create_detection_session方法，settings传空字典
                 session_id = self.db_manager.create_detection_session(patient_id, settings={}, creator_id=creator_id)                
-                return jsonify({'success': True, 'session_id': session_id, 'detectionStartTime': start_time})
+                return jsonify({'success': True, 'session_id': session_id})
             except Exception as e:
                 self.logger.error(f'开始检测失败: {e}')
                 return jsonify({'success': False, 'error': str(e)}), 500
diff --git a/frontend/src/renderer/src/views/Detection.vue b/frontend/src/renderer/src/views/Detection.vue
index b7db3264..7740bd10 100644
--- a/frontend/src/renderer/src/views/Detection.vue
+++ b/frontend/src/renderer/src/views/Detection.vue
@@ -26,15 +26,15 @@
             class="start-title-btn" style="background-image: linear-gradient(to right, rgb(236, 50, 166), rgb(160, 5, 216)); 
                   --el-button-border-color: #409EFF;
               --el-button-border-color: transparent;width: 120px;height: 30px;font-size: 20px;">
-            {{ isConnected ? '开始' : '连接中...' }}
+            {{ isConnected ? '开始录像' : '录像中...' }}
           </el-button>
           <!-- handleStartStop -->
           <el-button v-if="isRecording" @click="handleStartStop" type="primary" class="start-title-btn" style="background-image: linear-gradient(to right, rgb(236, 50, 166), rgb(160, 5, 216)); 
                   --el-button-border-color: #409EFF;
               --el-button-border-color: transparent;width: 120px;height: 30px;font-size: 20px;">
-            结束
+            结束录像
           </el-button>
-          <el-button v-if="isStart && isConnected" @click="saveDetectionData" type="primary" class="start-title-btn" style="background-image: linear-gradient(to right, #FBB106, #A817C6); 
+          <el-button  @click="saveDetectionData" type="primary" class="start-title-btn" style="background-image: linear-gradient(to right, #FBB106, #A817C6); 
                   --el-button-border-color: #409EFF;
               --el-button-border-color: transparent;width: 120px;height: 30px;font-size: 20px;">
             保存数据
@@ -1513,7 +1513,7 @@ async function handleDiagnosticInfo(status) {
         message: status + '诊断信息成功',
         duration: 5000
       })
-      patientInfo.value.sessionId = null
+      
     } else {
       throw new Error(result.message || '诊断信息失败')
     }
@@ -1522,9 +1522,9 @@ async function handleDiagnosticInfo(status) {
       message: errorMessage,
       duration: 5000
     })
-    patientInfo.value.sessionId = null
+    
   } finally {
-    patientInfo.value.sessionId = null
+    
   }
 }
 
@@ -1672,8 +1672,7 @@ async function handleStartStop() {
   if (isStart.value) {
     // 停止录制视频
     await stopRecord()
-  } else {
-    patientInfo.value.sessionId = null
+  } else {    
     // 开始录制视频
     await startRecord()
   }
@@ -1681,8 +1680,8 @@ async function handleStartStop() {
 // 开始检测
 async function startDetection() {
   try {
-    console.log('🚀 正在开始检测...')
-    startTimer()
+    console.log('🚀 正在开始检测...')   
+   
     // 验证患者信息
     if (!patientInfo.value || !patientInfo.value.id) {
       throw new Error('缺少患者信息，无法开始检测')
@@ -1704,7 +1703,7 @@ async function startDetection() {
     }
 
     const result = await response.json()
-
+    debugger
     if (result.success) {
       console.log('✅ 检测开始成功')
       // 保存会话ID和检测开始时间
@@ -1767,6 +1766,7 @@ const loadPatientInfo = async () => {
       const result = await response.json()
       if (result.success) {
         patientInfo.value = { ...result.data, sessionId: null }
+        startDetection()
         console.log('患者信息加载成功:', patientInfo.value)
       } else {
         throw new Error(result.message)
@@ -1782,18 +1782,15 @@ const loadPatientInfo = async () => {
 
 // 处理页面关闭或刷新事件
 const handleBeforeUnload = (event) => {
-  console.log('页面即将关闭，正在清理资源...')
-  
-  // 停止检测（如果正在检测）
-  if (isStart.value) {
-    stopDetection()
-  }
+  console.log('页面即将关闭，正在清理资源...') 
   
   // 停止录像（如果正在录像）
   if (isRecording.value) {
     stopRecording()
   }
-  
+
+  // 停止检测
+   stopDetection()
   // 断开WebSocket连接
   disconnectWebSocket()
   
@@ -1947,7 +1944,7 @@ onMounted(() => {
   loadPatientInfo()
   // 页面加载时自动连接WebSocket
   connectWebSocket()
-  startDetection()
+
   // 监听页面关闭或刷新事件
   window.addEventListener('beforeunload', handleBeforeUnload)
   if (authStore.currentUser) {
@@ -1966,7 +1963,6 @@ onUnmounted(() => {
     stopRecording()
   }
   if(isStart.value == true){
-
     stopRecord()
   }
 
@@ -2007,7 +2003,7 @@ onUnmounted(() => {
 const startRecord = async () => { // 开始录屏
    try {
     console.log('🚀 正在开始录屏...')
-   
+   debugger
     // 验证患者信息
     if (!patientInfo.value || !patientInfo.value.sessionId) {
       throw new Error('缺少患者信息，无法开始录屏')