diff --git a/common/utils/src/main/ets/default/baseUtil/FolderUtil.ets b/common/utils/src/main/ets/default/baseUtil/FolderUtil.ets
index ab9190b6af86222e909c6b2d63ff4c313e8bb7bb..6d09c24cda3342d86f1768506685a4e08be16bc7 100644
--- a/common/utils/src/main/ets/default/baseUtil/FolderUtil.ets
+++ b/common/utils/src/main/ets/default/baseUtil/FolderUtil.ets
@@ -98,7 +98,14 @@ export class FolderUtil {
   * @return boolean - fottom fixed folder: deleted or favorite return true. else return false
   */
   isBottomFixedFolder(folderData: FolderData): boolean {
-    LogUtil.info(TAG, "folderDataUuid " + folderData.uuid)
+    if (folderData === undefined || folderData === null) {
+      LogUtil.info(TAG, "isBottomFixedFolder folderData undefined")
+    }
+    if (folderData.uuid === undefined || folderData.uuid === null) {
+      LogUtil.info(TAG, "isBottomFixedFolder folderData uuid undefined")
+      folderData.uuid = 'sys_def_unClassified_uuid';
+    }
+    LogUtil.info(TAG, "isBottomFixedFolder folderDataUuid " + folderData.uuid)
     return (folderData.folder_type == FolderType.FeatureDef)
   }
 
@@ -109,7 +116,14 @@ export class FolderUtil {
   * @return boolean - can be moved into notes return true. else return false
   */
   isFolderMoveIn(folderData: FolderData): boolean {
-    LogUtil.info(TAG, "folderDataUuid " + folderData.uuid)
+    if (folderData === undefined || folderData === null) {
+      LogUtil.info(TAG, "isFolderMoveIn folderData undefined")
+    }
+    if (folderData.uuid === undefined || folderData.uuid === null) {
+      LogUtil.info(TAG, "isFolderMoveIn folderData uuid undefined")
+      folderData.uuid = 'sys_def_unClassified_uuid';
+    }
+    LogUtil.info(TAG, "isFolderMoveIn folderDataUuid " + folderData.uuid)
     return (folderData.uuid == SysDefFolderUuid.UnClassified || folderData.folder_type == FolderType.CusDef)
   }
 
diff --git a/features/src/main/ets/components/CusDialogComp.ets b/features/src/main/ets/components/CusDialogComp.ets
index a7d62269b7952767671e67ae4206ebaf46110a36..1afb2e0b065e3f70228b6ab5a9dcb80b16d33029 100644
--- a/features/src/main/ets/components/CusDialogComp.ets
+++ b/features/src/main/ets/components/CusDialogComp.ets
@@ -332,6 +332,10 @@ export struct NoteDataMoveDialog {
 
   aboutToAppear() {
     this.NoteDataMoveArray = this.AllFolderArray.slice(2, this.AllFolderArray.length);
+    if (this.AllFolderArray[1] === undefined || this.AllFolderArray[1] === null) {
+      LogUtil.info(TAG, "this AllFolderArray[1] undefined")
+      return
+    }
     this.NoteDataMoveArray.push(this.AllFolderArray[1]);
   }
 
@@ -346,15 +350,17 @@ export struct NoteDataMoveDialog {
       .width(288)
 
       List() {
-        ForEach(this.NoteDataMoveArray.slice(0, this.NoteDataMoveArray.length - 1), (item) => {
-          ListItem() {
-            NoteDataMoveItemComp({ folderItem: item })
-          }
-          .onClick(() => {
-            this.noteDataMoveDialogCtl.close()
-            this.onConfirm(item.uuid)
-          })
-        }, noteItem => noteItem.uuid)
+        if (this.NoteDataMoveArray !== undefined && this.NoteDataMoveArray !== null && this.NoteDataMoveArray !== []) {
+          ForEach(this.NoteDataMoveArray.slice(0, this.NoteDataMoveArray.length - 1), (item) => {
+            ListItem() {
+              NoteDataMoveItemComp({ folderItem: item })
+            }
+            .onClick(() => {
+              this.noteDataMoveDialogCtl.close()
+              this.onConfirm(item.uuid)
+            })
+          }, noteItem => noteItem.uuid)
+        }
         ListItem() {
           NoteDataMoveItemComp({
             folderItem: this.NoteDataMoveArray[this.NoteDataMoveArray.length - 1],
diff --git a/features/src/main/ets/components/NoteContentComp.ets b/features/src/main/ets/components/NoteContentComp.ets
index b6341e4676dc6ddb25f92909bf92a7e50a278e74..58052e554c317282c5f4e19671a10f7c6d77af8e 100644
--- a/features/src/main/ets/components/NoteContentComp.ets
+++ b/features/src/main/ets/components/NoteContentComp.ets
@@ -349,11 +349,19 @@ export struct NoteContentOverViewComp {
 
   getArray() {
     this.NoteDataMoveArray = this.AllFolderArray.slice(2, this.AllFolderArray.length);
+    if (this.AllFolderArray[1] === undefined || this.AllFolderArray[1] === null) {
+      LogUtil.info(TAG, "this AllFolderArray[1] undefined")
+      return
+    }
     this.NoteDataMoveArray.push(this.AllFolderArray[1]);
   }
 
   aboutToAppear() {
     this.NoteDataMoveArray = this.AllFolderArray.slice(2, this.AllFolderArray.length);
+    if (this.AllFolderArray[1] === undefined || this.AllFolderArray[1] === null) {
+      LogUtil.info(TAG, "this AllFolderArray[1] undefined")
+      return
+    }
     this.NoteDataMoveArray.push(this.AllFolderArray[1]);
   }
 
@@ -369,31 +377,33 @@ export struct NoteContentOverViewComp {
   @Builder MenuBuilder() {
     Flex({ direction: FlexDirection.Column, justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
       List() {
-        ForEach(this.NoteDataMoveArray, (item) => {
-          ListItem() {
-            NoteDataMoveItemCompTablet({ folderItem: item, uuid: this.selectedNoteData.folder_uuid })
-          }
-          .onClick(() => {
-            this.selectedNoteData.folder_uuid = item.uuid
-            let predicates_note = RdbStoreUtil.getRdbPredicates(TableName.NoteTable)
-            predicates_note.equalTo(NoteTableColumn.Uuid, this.selectedNoteData.uuid)
-            RdbStoreUtil.update(this.selectedNoteData.toNoteObject(), predicates_note, null)
-            if (this.sectionStatus != 1) {
-              this.selectedNoteData = NoteUtil.getFirstNoteData(this.AllNoteArray, this.selectedFolderData.uuid)
-              this.controllerShow.runJavaScript(
-                "RICH_EDITOR.setHtml('" + this.selectedNoteData.content_text + "')"
-              )
-              this.refreshFlag = (this.refreshFlag == 0 ? 1 : 0)
-            } else {
-              this.selectedFolderData = FolderUtil.getFolderData(AppStorage.Get('AllFolderArray'), item.uuid)
+        if (this.NoteDataMoveArray !== undefined && this.NoteDataMoveArray !== null && this.NoteDataMoveArray !== []) {
+          ForEach(this.NoteDataMoveArray, (item) => {
+            ListItem() {
+              NoteDataMoveItemCompTablet({ folderItem: item, uuid: this.selectedNoteData.folder_uuid })
             }
-            // save continue data
-            let continueNote: string = JSON.stringify(this.selectedNoteData.toNoteObject())
-            AppStorage.SetOrCreate<string>('ContinueNote', continueNote)
-            LogUtil.info(TAG, "NoteContentOverViewComp, MenuBuilder, set continue note success")
-            NoteUtil.refreshAll()
-          })
-        }, noteItem => noteItem.uuid)
+            .onClick(() => {
+              this.selectedNoteData.folder_uuid = item.uuid
+              let predicates_note = RdbStoreUtil.getRdbPredicates(TableName.NoteTable)
+              predicates_note.equalTo(NoteTableColumn.Uuid, this.selectedNoteData.uuid)
+              RdbStoreUtil.update(this.selectedNoteData.toNoteObject(), predicates_note, null)
+              if (this.sectionStatus != 1) {
+                this.selectedNoteData = NoteUtil.getFirstNoteData(this.AllNoteArray, this.selectedFolderData.uuid)
+                this.controllerShow.runJavaScript(
+                  "RICH_EDITOR.setHtml('" + this.selectedNoteData.content_text + "')"
+                )
+                this.refreshFlag = (this.refreshFlag == 0 ? 1 : 0)
+              } else {
+                this.selectedFolderData = FolderUtil.getFolderData(AppStorage.Get('AllFolderArray'), item.uuid)
+              }
+              // save continue data
+              let continueNote: string = JSON.stringify(this.selectedNoteData.toNoteObject())
+              AppStorage.SetOrCreate<string>('ContinueNote', continueNote)
+              LogUtil.info(TAG, "NoteContentOverViewComp, MenuBuilder, set continue note success")
+              NoteUtil.refreshAll()
+            })
+          }, noteItem => noteItem.uuid)
+        }
       }.listDirection(Axis.Vertical)
       .edgeEffect(EdgeEffect.Spring)
       .height(this.AllFolderArray.length > 12 ? 504 : (this.AllFolderArray.length - 3) * 56)
diff --git a/features/src/main/ets/components/NoteContentCompPortrait.ets b/features/src/main/ets/components/NoteContentCompPortrait.ets
index 63a595d7660f9e483f70c52ffce54b3535313ef5..abb16eb6e019eb5c6187065f3f6e992dc144b43f 100644
--- a/features/src/main/ets/components/NoteContentCompPortrait.ets
+++ b/features/src/main/ets/components/NoteContentCompPortrait.ets
@@ -363,6 +363,10 @@ export struct NoteContentOverViewComp {
 
   aboutToAppear() {
     this.NoteDataMoveArray = this.AllFolderArray.slice(2, this.AllFolderArray.length);
+    if (this.AllFolderArray[1] === undefined || this.AllFolderArray[1] === null) {
+      LogUtil.info(TAG, "this AllFolderArray[1] undefined")
+      return
+    }
     this.NoteDataMoveArray.push(this.AllFolderArray[1]);
   }