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 88a614e..9b8df31 100644
--- a/app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt
+++ b/app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt
@@ -46,6 +46,7 @@ import com.sw.platecabinet.utils.Debouncer
 import com.sw.platecabinet.utils.LogFileUtil
 import com.sw.platecabinet.utils.PermissionHelper
 import com.sw.platecabinet.utils.PlateUtils
+import com.sw.platecabinet.utils.RegisterCallbackHandler
 import com.sw.platecabinet.utils.SoundPoolUtil
 import com.sw.platecabinet.utils.SpTool
 import org.greenrobot.eventbus.EventBus
@@ -184,14 +185,15 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
     private val livenessType = LivenessType.RGB
     private var openRectInfoDraw = false
     private val regDebouncer = Debouncer(3000)
+    private var registerHandler: RegisterCallbackHandler? = null
 
     private fun initArcViewModel() {
         recognizeViewModel.setLiveType(livenessType)
         recognizeViewModel.prepareRegister()
         recognizeViewModel.setOnRegisterFinishedCallback { facePreviewInfo, userFaceInfo ->
-            regDebouncer.debounce {
+            registerHandler?.setCallback {
                 if (!isCollectFace) {
-                    return@debounce
+                    return@setCallback
                 }
                 if (this.userFaceInfo == null && userFaceInfo != null) {
                     recognizeViewModel.updateRegisterStatus(RecognizeViewModel.REGISTER_STATUS_DONE)
@@ -201,7 +203,6 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
                         isCollectFace = false
                         sendFaceData(faceData, headBmp)
                     }
-                    return@debounce
                 }
             }
         }
@@ -685,6 +686,7 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>(),
     private var tempUserId: String = ""
     override fun onResume() {
         super.onResume()
+        registerHandler = RegisterCallbackHandler()
         try {
             if (isFirstOpen) {
                 goInitActivity()
diff --git a/app/src/main/java/com/sw/platecabinet/utils/RegisterCallbackHandler.kt b/app/src/main/java/com/sw/platecabinet/utils/RegisterCallbackHandler.kt
new file mode 100644
index 0000000..5c11ee7
--- /dev/null
+++ b/app/src/main/java/com/sw/platecabinet/utils/RegisterCallbackHandler.kt
@@ -0,0 +1,15 @@
+package com.sw.platecabinet.utils
+
+class RegisterCallbackHandler {
+    private var isCallbackCalled = false
+    private val lock = Any()
+
+    fun setCallback(callback: () -> Unit) {
+        synchronized(lock) {
+            if (!isCallbackCalled) {
+                isCallbackCalled = true
+                callback()
+            }
+        }
+    }
+}
\ No newline at end of file