diff --git a/app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt b/app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt
index f994ef0..cd5a3b5 100644
--- a/app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt
+++ b/app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt
@@ -412,45 +412,54 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
     private fun openPlate(userId: String?) {
         loadLogInfo("collectFace,openPlate: userId=$userId,plateEnable=$plateEnable")
         if (plateEnable.not()) return
-//        showWaitingDialog("检测餐盘中，请稍候……")
-        PlcHelper.getInstance(this).getStatus(object : PlcCallback<PlcStatus> {
-                override fun onSuccess(result: PlcStatus) {
-                    hideWaitingDialog()
-                    if (result.isEmptyPlate) {
-                        // 无餐盘，播放提示音并返回首页
-                        loadLogInfo("collectFace,openPlate: 暂无餐盘，isEmptyPlate=true，isCollectFace=$isCollectFace")
-                        SoundPoolUtil.getInstance().play(NO_PLATE_REMIND, 0)
-                        goInitActivity()
-                        return
+
+        PlcHelper.getInstance(this@LoginByFaceActivity)
+            .outPlate(object : PlcCallback<String> {
+                override fun onSuccess(result: String) {
+
+                    if(result.equals("true")){
+                        SoundPoolUtil.getInstance().play(RECOGNIZE_SUCCESS, 0)
                     }
-                    // 有餐盘，播放识别成功音效并调用出盘
-                    loadLogInfo("collectFace,openPlate: 检测到餐盘，开始出盘")
-                    SoundPoolUtil.getInstance().play(RECOGNIZE_SUCCESS, 0)
                     plateEnable = false
                     recognizeCountDownUtil.cancelCountDown()
-                    PlcHelper.getInstance(this@LoginByFaceActivity)
-                        .outPlate(object : PlcCallback<String> {
-                            override fun onSuccess(result: String) {
-                                loadLogInfo("collectFace,openPlate: 出盘成功，result=$result")
-                                goInitActivity()
-                            }
 
-                            override fun onError(message: String) {
-                                ToastUtils.showToast("出盘失败，message=$message")
-                                loadLogInfo("collectFace,openPlate: 出盘失败，message=$message")
-                                goInitActivity()
-                            }
-                        })
+
+                    loadLogInfo("collectFace,openPlate: 出盘成功，result=$result")
+                    goInitActivity()
                 }
 
                 override fun onError(message: String) {
-                    hideWaitingDialog()
-                    // 状态获取失败，保底播放无盘提示
-                    loadLogInfo("collectFace,openPlate: 获取PLC状态失败，message=$message")
-                    SoundPoolUtil.getInstance().play(NO_PLATE_REMIND, 0)
+                    ToastUtils.showToast("出盘失败，message=$message")
+                    loadLogInfo("collectFace,openPlate: 出盘失败，message=$message")
                     goInitActivity()
                 }
             })
+
+//        showWaitingDialog("检测餐盘中，请稍候……")
+//        PlcHelper.getInstance(this).getStatus(object : PlcCallback<PlcStatus> {
+//                override fun onSuccess(result: PlcStatus) {
+//                    hideWaitingDialog()
+//                    if (result.isEmptyPlate) {
+//                        // 无餐盘，播放提示音并返回首页
+//                        loadLogInfo("collectFace,openPlate: 暂无餐盘，isEmptyPlate=true，isCollectFace=$isCollectFace")
+//                        SoundPoolUtil.getInstance().play(NO_PLATE_REMIND, 0)
+//                        goInitActivity()
+//                        return
+//                    }
+//                    // 有餐盘，播放识别成功音效并调用出盘
+//                    loadLogInfo("collectFace,openPlate: 检测到餐盘，开始出盘")
+//
+//
+//                }
+//
+//                override fun onError(message: String) {
+//                    hideWaitingDialog()
+//                    // 状态获取失败，保底播放无盘提示
+//                    loadLogInfo("collectFace,openPlate: 获取PLC状态失败，message=$message")
+//                    SoundPoolUtil.getInstance().play(NO_PLATE_REMIND, 0)
+//                    goInitActivity()
+//                }
+//            })
     }
 
     private val openDebouncer by lazy { Debouncer(5000) }
@@ -734,15 +743,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
                 goInitActivity()
                 return
             }
-            // 每次回到识别界面时重新打开串口，防止 PLC SDK 内部连接超时导致出盘失败
-            PlcHelper.getInstance(this).openSerialPort(object : PlcCallback<String> {
-                override fun onSuccess(result: String) {
-                    loadLogInfo("onResume openSerialPort 成功: $result")
-                }
-                override fun onError(message: String) {
-                    loadLogInfo("onResume openSerialPort 失败: $message")
-                }
-            })
+
             lifecycleScope.launch {
                 try {
                     val faceDao = FaceDatabase.getInstance(this@LoginByFaceActivity).faceDao()