diff --git a/update_lite/dupdate_posix/src/UpdateTest.cpp b/update_lite/dupdate_posix/src/UpdateTest.cpp
index 77a35ae2412e3bd38fe9139d6c09b1e864db2560..34f4aa59364cddc507ca2995b9a712159a3c105e 100755
--- a/update_lite/dupdate_posix/src/UpdateTest.cpp
+++ b/update_lite/dupdate_posix/src/UpdateTest.cpp
@@ -24,8 +24,6 @@ const int USE_HOS_PKG = 1;
 const int NOT_HOS_PKG = 0;
 const int ERR_PAK_FALG = 2;
 const int DATA_LENGTH = 190;
-const int READ_LENGTH = 0;
-const int ERR_LENGTH = 9;
 const int DATA_OFFSET = 0;
 
 using namespace std;
diff --git a/updater/update_test/src/main/js/default/test/update.test.js b/updater/update_test/src/main/js/default/test/update.test.js
index 8b38e922610b360157dc202bff5535d915fd512a..31de805d9423e9b162dc89a48c172bfdf7978655 100644
--- a/updater/update_test/src/main/js/default/test/update.test.js
+++ b/updater/update_test/src/main/js/default/test/update.test.js
@@ -17,11 +17,11 @@ import {describe, beforeAll, beforeEach, afterEach, afterAll, it, expect} from '
 import client from '@ohos.update';
 
 let updater;
-var param_value1 = 0;
-var param_value2 = 0;
-var expect_value = 0;
+let param_value1 = 0;
+let param_value2 = 0;
+let expect_value = 0;
 
-var updateState = {
+let updateState = {
     UPDATE_STATE_INIT : 0,
     UPDATE_STATE_CHECK_VERSION_ON : 10,
     UPDATE_STATE_CHECK_VERSION_FAIL : 11,