diff --git a/ArkUI/entry/src/main/ets/pages/FrameNodeJudgmentNode.ets b/ArkUI/entry/src/main/ets/pages/FrameNodeJudgmentNode.ets
index df8f47489c2a9ac77e6d8d1c1ae7fd3f0b8e993e..078d078ee96b70b0d62fd39300a16a4bc924efd7 100644
--- a/ArkUI/entry/src/main/ets/pages/FrameNodeJudgmentNode.ets
+++ b/ArkUI/entry/src/main/ets/pages/FrameNodeJudgmentNode.ets
@@ -47,10 +47,10 @@ struct Index {
       Button('Click')
         .onClick(() => {
           // 如果通过getAttachedFrameNodeById获取不到节点，则说明节点没有被挂载到主树上
-          console.info('node1 is attached to main tree: ' +
-            (this.getUIContext().getAttachedFrameNodeById('node1') !== null));
-          console.info('node2 is attached to main tree: ' +
-            (this.getUIContext().getAttachedFrameNodeById('node2') !== null));
+          console.info(`node1 is attached to main tree: ${(this.getUIContext().getAttachedFrameNodeById('node1') !==
+            null)}`);
+          console.info(`node2 is attached to main tree: ${(this.getUIContext().getAttachedFrameNodeById('node2') !==
+            null)}`);
         })
     }
   }
diff --git a/LocalDatabaseManagement/entry/src/main/ets/pages/QueryFail.ets b/LocalDatabaseManagement/entry/src/main/ets/pages/QueryFail.ets
index 157812ee59d1e393cd0a46b3f3204a4eb9bd4309..e370fc94ec9fcd43aeec24ad0cf95bfb930063d6 100644
--- a/LocalDatabaseManagement/entry/src/main/ets/pages/QueryFail.ets
+++ b/LocalDatabaseManagement/entry/src/main/ets/pages/QueryFail.ets
@@ -18,19 +18,26 @@ import { relationalStore } from '@kit.ArkData';
 * FAQ:数据库查询失败 14800007
  */
 let context: null = null;
-let column_uuid: string = 'column_uuid';
+let columnUuid: string = 'column_uuid';
 class QueryFail{
 
 // [Start QueryFail]
 async query( ) {
   const STORE_CONFIG: relationalStore.StoreConfig = {
     name: 'NetMonitor.db',
-    securityLevel: relationalStore.SecurityLevel.S1};
+    securityLevel: relationalStore.SecurityLevel.S1
+  };
   let rdbStore: relationalStore.RdbStore = await relationalStore.getRdbStore(context, STORE_CONFIG).then();
   let sql = 'SELECT * FROM net_monitor ORDER BY id desc LIMIT 20';
   let resultSet = await rdbStore.querySql(sql)
-  let uuid = this.getString(resultSet, column_uuid)  // report errors
+  let uuid = this.getString(resultSet, columnUuid)  // report errors
 }
+/**
+ * Retrieve the string column value of the current row in the result set.
+ * @param resultSet
+ * @param columnName
+ * @returns
+ */
 private getString(resultSet: relationalStore.ResultSet, columnName: string): string | undefined {
   let isColumnNull = resultSet.isColumnNull(resultSet.getColumnIndex(columnName));
   if (isColumnNull){