diff --git a/customappbar/interfaces/custom_app_bar.js b/customappbar/interfaces/custom_app_bar.js
index b7eda8782c4b9b84e23366d06b81f4c519504873..aff4aceee8b401cfe6263aaa1db03a0e94a1d718 100644
--- a/customappbar/interfaces/custom_app_bar.js
+++ b/customappbar/interfaces/custom_app_bar.js
@@ -808,10 +808,14 @@ export class CustomAppBar extends ViewPU {
                 this.containerWidth = MD_WIDTH;
             }
             else if (this.breakPoint === BreakPointsType.LG) {
-                let displayData = display.getDefaultDisplaySync();
-                let windowWidth = px2vp(displayData.width);
-                let windowHeight = px2vp(displayData.height);
-                this.containerWidth = windowWidth > windowHeight ? windowHeight * LG_WIDTH_LIMIT : windowWidth * LG_WIDTH_LIMIT;
+                try {
+                    let displayData = display.getDefaultDisplaySync();
+                    let windowWidth = px2vp(displayData.width);
+                    let windowHeight = px2vp(displayData.height);
+                    this.containerWidth = windowWidth > windowHeight ? windowHeight * LG_WIDTH_LIMIT : windowWidth * LG_WIDTH_LIMIT;
+                } catch (error) {
+                    hilog.error(0x3900, LOG_TAG, `getDefaultDisplaySync failed, code is ${error?.code}, message is ${error?.message}`);
+                }
             }
         }
     }
@@ -992,12 +996,12 @@ export class CustomAppBar extends ViewPU {
      * 半屏放大至全屏动效
      */
     expendContainerAnimation() {
+        this.isHalfToFullScreen = true;
         Context.animateTo({
             duration: 150,
             curve: curves.interpolatingSpring(0, 1, 328, 36),
             onFinish: () => {
                 this.contentBgColor = '#FFFFFF';
-                this.isHalfToFullScreen = true;
             }
         }, () => {
             this.containerWidth = '100%';
diff --git a/customappbar/source/custom_app_bar.ets b/customappbar/source/custom_app_bar.ets
index 0743ec6ea38a1ea539fec35ffa1fc0c5f88e89f9..01ebc729439fd33ab5ea91b6f85b39f026c94a1f 100644
--- a/customappbar/source/custom_app_bar.ets
+++ b/customappbar/source/custom_app_bar.ets
@@ -301,10 +301,15 @@ export struct CustomAppBar {
       } else if (this.breakPoint === BreakPointsType.MD) {
         this.containerWidth = MD_WIDTH;
       } else if (this.breakPoint === BreakPointsType.LG) {
-        let displayData = display.getDefaultDisplaySync();
-        let windowWidth = px2vp(displayData.width);
-        let windowHeight = px2vp(displayData.height);
-        this.containerWidth = windowWidth > windowHeight ? windowHeight * LG_WIDTH_LIMIT : windowWidth * LG_WIDTH_LIMIT;
+        try {
+          let displayData = display.getDefaultDisplaySync();
+          let windowWidth = px2vp(displayData.width);
+          let windowHeight = px2vp(displayData.height);
+          this.containerWidth = windowWidth > windowHeight ? windowHeight * LG_WIDTH_LIMIT : windowWidth * LG_WIDTH_LIMIT;
+        } catch (error) {
+          hilog.error(0x3900, LOG_TAG, `getDefaultDisplaySync failed, code is ${error?.code}, message is ${error?.message}`);
+        }
+    }
       }
     }
   }
diff --git a/innerfullscreenlaunchcomponent/interfaces/innerfullscreenlaunchcomponent.js b/innerfullscreenlaunchcomponent/interfaces/innerfullscreenlaunchcomponent.js
index b45f5f4383e0956740928906a919a2b01a1507ae..d63004607ab2850b31d48297d1034330ca39564a 100644
--- a/innerfullscreenlaunchcomponent/interfaces/innerfullscreenlaunchcomponent.js
+++ b/innerfullscreenlaunchcomponent/interfaces/innerfullscreenlaunchcomponent.js
@@ -237,7 +237,7 @@ export class InnerFullScreenLaunchComponent extends ViewPU {
             UIExtensionComponent.onError(g => {
                 this.isShow = false;
                 hilog.error(0x3900, LOG_TAG, 'call up UIExtension error!%{public}s', g.message);
-                if (err.code !== ERR_CODE_ABNORMAL) {
+                if (g.code !== ERR_CODE_ABNORMAL) {
                     this.getUIContext().showAlertDialog({
                         message: g.message
                     });