diff --git a/entry/src/main/ets/pages/SignDisplay.ets b/entry/src/main/ets/pages/SignDisplay.ets
index 1ff5477..e124ab6 100644
--- a/entry/src/main/ets/pages/SignDisplay.ets
+++ b/entry/src/main/ets/pages/SignDisplay.ets
@@ -2,12 +2,13 @@ import SignalDisplayComponent from './compontents/SignalDisplay';
 import router from '@ohos.router';
 import TabComponent from './compontents/Tab';
 import { PerLane } from '../model';
+import { InitialPerLane } from '../mock';
 
 @Entry
 @Component
 struct SignDisplayPage {
   @State active: number = 0
-  @Link laneSignal: PerLane
+  @State laneSignal: PerLane = InitialPerLane
 
   build() {
     Flex({
diff --git a/entry/src/main/ets/pages/UserInfo.ets b/entry/src/main/ets/pages/UserInfo.ets
index 176c4c6..d90cada 100644
--- a/entry/src/main/ets/pages/UserInfo.ets
+++ b/entry/src/main/ets/pages/UserInfo.ets
@@ -112,7 +112,7 @@ struct UserInfoPage {
     customStyle: true,
     autoCancel: true
   })
-  // 人脸对比弹窗
+  //TODO 人脸对比弹窗
   faceCompareController: CustomDialogController = new CustomDialogController({
     builder: FaceRecognitionDialog({
       sfzh: this.currentUser.sfzmhm,
diff --git a/entry/src/main/ets/pages/UserInfo/FaceRecognition.ets b/entry/src/main/ets/pages/UserInfo/FaceRecognition.ets
index db60554..69f991d 100644
--- a/entry/src/main/ets/pages/UserInfo/FaceRecognition.ets
+++ b/entry/src/main/ets/pages/UserInfo/FaceRecognition.ets
@@ -111,7 +111,7 @@ export default struct FaceRecognitionDialog {
     })
     if (result.imageCompareRsp?.head?.resultCode == '0') {
       this.videoController.stop()
-      this.controller.close()
+      this.controller?.close()
       this.FacialComparisonSuccess()
       this.voiceController.playAudio({
         type: 1,
@@ -175,7 +175,7 @@ export default struct FaceRecognitionDialog {
           type: 1,
           name: 'face_chekc_fail.wav'
         })
-        this.controller.close()
+        this.controller?.close()
       }
     }
   }