diff --git a/distributeddatamgr/appdatamgrjstest/hap/src/main/js/default/test/RdbstoreRdbstoreJsunit.test.js b/distributeddatamgr/appdatamgrjstest/hap/src/main/js/default/test/RdbstoreRdbstoreJsunit.test.js
index e2632dc9bc7fe62b3a7b23da3d424da44bbc11dd..8b1402c895fb3452540b7957e5483cfbcbd1b5e7 100755
--- a/distributeddatamgr/appdatamgrjstest/hap/src/main/js/default/test/RdbstoreRdbstoreJsunit.test.js
+++ b/distributeddatamgr/appdatamgrjstest/hap/src/main/js/default/test/RdbstoreRdbstoreJsunit.test.js
@@ -169,63 +169,6 @@ describe('rdbStoreTest', function () {
         done();
         console.log(TAG + "************* testRdbStore0005 end   *************");
     })
-
-    /**
-     * @tc.name rdb store deleteRdbStore
-     * @tc.number SUB_DDM_AppDataFWK_JSRDB_RdbStore_0060
-     * @tc.desc rdb store deleteRdbStore
-     */
-//    it('testRdbStore0006', 0, async function (done) {
-//        console.log(TAG + "************* testRdbStore0006 start *************");
-//
-//        let storePromise = dataRdb.getRdbStore(STORE_CONFIG, 4);
-//        storePromise.then(async (store) => {
-//            try {
-//                await store.executeSql(CREATE_TABLE_TEST);
-//                let deletePromise = dataRdb.deleteRdbStore("rdbstore.db")
-//                deletePromise.then(()=>{
-//                    console.log(TAG + "deleteRdbStore promise done" + store);
-//                    expect(true).assertTrue();
-//                })
-//            } catch (e) {
-//                expect(null).assertFail();
-//            }
-//        }).catch((err) => {
-//            expect(null).assertFail();
-//        })
-//        await storePromise
-//        storePromise = null
-//        done();
-//        console.log(TAG + "************* testRdbStore0006 end   *************");
-//    })
-
-    /**
-     * @tc.name rdb store deleteRdbStore
-     * @tc.number SUB_DDM_AppDataFWK_JSRDB_RdbStore_0070
-     * @tc.desc rdb store deleteRdbStore
-     */
-    it('testRdbStore0007', 0, async function (done) {
-        console.log(TAG + "************* testRdbStore0007 start *************");
-
-        let storePromise = dataRdb.getRdbStore(STORE_CONFIG, 6);
-        storePromise.then(async (store) => {
-            try {
-                await store.executeSql(CREATE_TABLE_TEST);
-                let deletePromise = dataRdb.deleteRdbStore("rdbstore.db")
-                deletePromise.then(()=>{
-                    console.log(TAG + "deleteRdbStore promise done" + store);
-                    expect(true).assertTrue();
-                })
-            } catch (e) {
-                expect(null).assertFail();
-            }
-        }).catch((err) => {
-            expect(null).assertFail();
-        })
-        await storePromise
-        storePromise = null
-        done();
-        console.log(TAG + "************* testRdbStore0007 end   *************");
-    })
+    
     console.log(TAG + "*************Unit Test End*************");
 })
\ No newline at end of file
diff --git a/distributeddatamgr/appdatamgrjstest/hap/src/main/js/default/test/StoragePromiseJsunit.test.js b/distributeddatamgr/appdatamgrjstest/hap/src/main/js/default/test/StoragePromiseJsunit.test.js
index d1d41c6db1c73c83e0fb522b0f679e09d37349a1..b12d65f4b538c051f36456306bed7e69380fe6fe 100755
--- a/distributeddatamgr/appdatamgrjstest/hap/src/main/js/default/test/StoragePromiseJsunit.test.js
+++ b/distributeddatamgr/appdatamgrjstest/hap/src/main/js/default/test/StoragePromiseJsunit.test.js
@@ -21,6 +21,8 @@ const KEY_TEST_LONG_ELEMENT = 'key_test_long';
 const KEY_TEST_FLOAT_ELEMENT = 'key_test_float';
 const KEY_TEST_BOOLEAN_ELEMENT = 'key_test_boolean';
 const KEY_TEST_STRING_ELEMENT = 'key_test_string';
+const MAX_KEY_LENGTH = 'X'.repeat(32)
+const MAX_VALUE_LENGTH = 'y'.repeat(8191)
 var mPref;
 
 describe('storageTest', function () {
@@ -380,7 +382,7 @@ describe('storageTest', function () {
      * @tc.number SUB_DDM_AppDataFWK_JSPreferences_Storage_0200
      * @tc.desc Maximum length of key test
      */
-    it('testMaxLengthofKety0200', 0, async function(done){
+    it('testMaxLengthofKey0200', 0, async function(done){
         mPref.clearSync();
         const promise = mPref.put(MAX_KEY_LENGTH,"value1")
         promise.then((ret)=>{
@@ -449,4 +451,43 @@ describe('storageTest', function () {
         await promise;
         done();
     })
+
+    /**
+     * @tc.name Maximum length of key test
+     * @tc.number SUB_DDM_AppDataFWK_JSPreferences_Storage_0240
+     * @tc.desc Maximum length of key test
+     */
+     it('testMaxLengthofKey0240', 0, async function(done){
+        mPref.putSync(MAX_KEY_LENGTH, "value1");
+        expect("value1").assertEqual(mPref.getSync(MAX_KEY_LENGTH, "default"));
+        const promise = mPref.delete(MAX_KEY_LENGTH);
+        promise.then((ret)=>{
+            expect("default").assertEqual(mPref.getSync(MAX_KEY_LENGTH,"default"));
+        }).catch((err)=>{
+            expect(null).assertFail();
+        });
+        await promise;
+        done();
+    })
+
+    /**
+     * @tc.name Maximum length of value test
+     * @tc.number SUB_DDM_AppDataFWK_JSPreferences_Storage_0250
+     * @tc.desc Maximum length of value test
+     */
+
+    it('testMaxLengthofValue0250', 0, async function (done) {
+        mPref.clearSync();
+        mPref.putSync("test",MAX_VALUE_LENGTH)
+        const promise = mPref.put("test", "y".repeat(8192));
+        promise.then((ret) => {
+            expect(MAX_VALUE_LENGTH).assertEqual(mPref.getSync("test", "defaultvalue"));
+        }).catch((err) => {
+            expect(null).assertFail();
+        });
+        await promise;
+        mPref.putSync("test",MAX_VALUE_LENGTH)
+        expect(MAX_VALUE_LENGTH).assertEqual(mPref.getSync("test", "defaultvalue"));
+        done();
+    })
 })
diff --git a/distributeddatamgr/distributeddataObjectjstest/hap/src/main/js/default/test/ObjectStoreJsunit.test.js b/distributeddatamgr/distributeddataObjectjstest/hap/src/main/js/default/test/ObjectStoreJsunit.test.js
index c03af377c822012bc4fc6f03e907c34e3000bcc4..82884219039ffd2c5657355036af906cb68510d4 100644
--- a/distributeddatamgr/distributeddataObjectjstest/hap/src/main/js/default/test/ObjectStoreJsunit.test.js
+++ b/distributeddatamgr/distributeddataObjectjstest/hap/src/main/js/default/test/ObjectStoreJsunit.test.js
@@ -57,8 +57,8 @@ function statusCallback3(sessionId, networkId, status) {
 }
 function sleep(delay) {
     var start = (new Date()).getTime();
-    while((new Date()).getTime() - start < delay) {
-        continue;
+    while((new Date()).getTime() - start >= delay) {
+        break;
     }
 }
 
@@ -72,10 +72,10 @@ describe('objectStoreTest', function () {
         console.info("====>beforeAll start====");
         var appInfo = await bundle.getApplicationInfo('ohos.acts.distributeddataObject', 0, 100);
         tokenID = appInfo.accessTokenId;
-        console.info("accessTokenId" + appInfo.accessTokenId + " bundleName:" + appInfo.name);
+        console.info(" bundleName:" + appInfo.name);
         var atManager = abilityAccessCtrl.createAtManager();
         var result = await atManager.grantUserGrantedPermission(tokenID, PERMISSION_USER_NAME, PERMISSION_USER_SET);
-        console.info("tokenId" + tokenID + " result:" + result);
+        console.info(" result:" + result);
         sleep(TIMEOUT);
         console.debug("====>beforeAll end====");
         done();