diff --git a/sqflite/example/lib/open_test_page.dart b/sqflite/example/lib/open_test_page.dart
index c6587da76355569d0787b2b87bb05b23d76df1fe..7fd4d3dac158dcf283c560a1e829a7da26d183ee 100644
--- a/sqflite/example/lib/open_test_page.dart
+++ b/sqflite/example/lib/open_test_page.dart
@@ -621,6 +621,7 @@ class OpenTestPage extends TestPage {
           // Copy from asset
           final data = await rootBundle.load(join('assets', 'example.db'));
           final bytes = data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes);
+          //这里有问题，无法正确写进去
           await writeFileAsBytes(path, bytes);
 
           // open the database
@@ -827,6 +828,7 @@ class OpenTestPage extends TestPage {
       {
         late Database db;
         try {
+          //这里有问题,14800030
           db = await factory.openDatabase(path, options: OpenDatabaseOptions(readOnly: true));
         } catch (e) {
           print('open error');
@@ -842,7 +844,7 @@ class OpenTestPage extends TestPage {
         expect(await readFileAsString(path), 'dummy');
       }
 
-      //这里有问题，要用到readonly接口才能解决
+      
       expect(await isDatabase(path), isFalse);
       // try read-write
       const minExpectedSize = 1000;
diff --git a/sqflite/example/lib/type_test_page.dart b/sqflite/example/lib/type_test_page.dart
index e20ddf4b40b64292faa88ceaa5c6f5b672a1dab6..5fcdb1388ee30535bfadf1f1ed966e517aa9101b 100644
--- a/sqflite/example/lib/type_test_page.dart
+++ b/sqflite/example/lib/type_test_page.dart
@@ -67,6 +67,29 @@ class TypeTestPage extends TestPage {
       await data.db.close();
     });
 
+    test('double', () async {
+      //await Sqflite.devSetDebugModeOn(true);
+      final path = await initDeleteDb('type_double.db');
+      data.db = await openDatabase(path, version: 1,
+          onCreate: (Database db, int version) async {
+        await db
+            .execute('CREATE TABLE Test (id INTEGER PRIMARY KEY, value double)');
+      });
+      var id = await insertValue(-1.1);
+      expect(await getValue(id), -1.1);
+
+      id = await insertValue(198379342429.1);
+      final num = await getValue(id) as double;
+      expect(num, 198379342429.1);
+
+      id = await insertValue(pow(2, 32) + .1);
+      final num1 = await getValue(id) as double;
+      final num2 = await getValue(id) as double;
+      expect(num1, num2);
+
+      await data.db.close();
+    });
+
     test('real', () async {
       //await Sqflite.devSetDebugModeOn(true);
       final path = await initDeleteDb('type_real.db');
@@ -77,6 +100,11 @@ class TypeTestPage extends TestPage {
       });
       var id = await insertValue(-1.1);
       expect(await getValue(id), -1.1);
+
+      id = await insertValue(198379342429.1);
+      double num = await getValue(id) as double;
+      expect(await getValue(id), 198379342429.1);
+
       // big float
       id = await insertValue(1 / 3);
       expect(await getValue(id), 1 / 3);
diff --git a/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/Database.ets b/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/Database.ets
index db9fb2d93245a4d95e47e864cd5085be788f5683..b7587489dfbd70abbd7140521cb278bd5db06743 100644
--- a/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/Database.ets
+++ b/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/Database.ets
@@ -57,7 +57,10 @@ export class Database {
   private static handleException(operation: Operation, err: BusinessError<void>) {
     let code = err.code;
     let message = err.message;
-    operation.error(Constant.SQLITE_ERROR, message + '' + code, '');
+    if (code == 801) {
+      message = message + " Database is readonly"
+    }
+    operation.error(Constant.SQLITE_ERROR, 'error code:' + code + '。' + message, '');
   }
 
   private static async executeOrError(operation: Operation, db: relationalStore.RdbStore, callback?: HandleCallback): Promise<boolean> {
diff --git a/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/SqflitePlugin.ets b/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/SqflitePlugin.ets
index 4c843ed1d28582747966350473b2973d2586bb1c..8ee7ad109d39d90ab3854b5ba7040878dbadd54d 100644
--- a/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/SqflitePlugin.ets
+++ b/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/SqflitePlugin.ets
@@ -276,7 +276,7 @@ export default class SqflitePlugin extends SqfliteApi implements FlutterPlugin,
     if (rdbStore == null) {
       return;
     }
-    SqfLiteHelper.closeDataBase(call, result);
+    await SqfLiteHelper.closeDataBase(call, result);
 
   }
 
diff --git a/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/operation/BaseReadOperation.ets b/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/operation/BaseReadOperation.ets
index 9715e4b52081d41e7bbe69b73bc8e9146b218014..c590eddbae417369feed87ef2d2e22c2b6c2c3d0 100644
--- a/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/operation/BaseReadOperation.ets
+++ b/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/operation/BaseReadOperation.ets
@@ -45,17 +45,15 @@ export abstract class BaseReadOperation implements Operation {
   }
 
   getNoResult(): boolean {
-    if(this.getArgument<object>(Constant.PARAM_NO_RESULT) instanceof Boolean) {
-      let result: boolean = this.getArgument(Constant.PARAM_NO_RESULT);
-      return result;
+    if(this.getArgument<object>(Constant.PARAM_NO_RESULT)) {
+      return true;
     }
     return false;
   }
 
   getContinueOnError(): boolean {
-    if(this.getArgument<object>(Constant.PARAM_CONTINUE_OR_ERROR) instanceof Boolean) {
-      let result: boolean = this.getArgument(Constant.PARAM_CONTINUE_OR_ERROR);
-      return result;
+    if(this.getArgument<object>(Constant.PARAM_CONTINUE_OR_ERROR)) {
+      return true;
     }
     return false;
   }
diff --git a/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/sqflite_helper.ets b/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/sqflite_helper.ets
index d13224f53c0c75e20d3b10cbb12eba2765b88b77..6ccc241e528ccf7eb4808e33629e724c62dd028b 100644
--- a/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/sqflite_helper.ets
+++ b/sqflite/ohos/src/main/ets/io/flutter/plugins/sqflite/sqflite_helper.ets
@@ -103,13 +103,13 @@ export class SqfLiteHelper {
         name: dbName, // 数据库文件名
         securityLevel: relationalStore.SecurityLevel.S1, // 数据库安全级别
         customDir: customDir,
-        // isReadOnly:readOnly
+        isReadOnly:readOnly
       };
     } else {
       config = {
         name: dbName, // 数据库文件名
         securityLevel: relationalStore.SecurityLevel.S1, // 数据库安全级别
-        // isReadOnly:readOnly
+        isReadOnly:readOnly
       }
     }
 
@@ -215,11 +215,15 @@ export class SqfLiteHelper {
   }
 
   /// 关闭一个数据库
-  public static closeDataBase(call: MethodCall, result: MethodResult): void {
+  public static async closeDataBase(call: MethodCall, result: MethodResult): Promise<void> {
     let databaseId: number = call.argument(Constant.PARAM_ID);
     let dataBaseName: string | undefined = SqfLiteHelper.dBIdList.get(databaseId);
     if (dataBaseName == undefined) return;
     if (SqfLiteHelper.dataBaseList.has(dataBaseName)) {
+      let local: relationalStore.RdbStore | null = SqfLiteHelper.getOnlyLocal(dataBaseName);
+      if (local != null) {
+        await local.close();
+      }
       SqfLiteHelper.dataBaseList.delete(dataBaseName);
       let id: number = -1;
       SqfLiteHelper.dBIdList.forEach((value, key) => {