diff --git a/test/unittest/updater_binary/BUILD.gn b/test/unittest/updater_binary/BUILD.gn
index 4d152cd706a2df87b30e34f6655d783679fe2914..443aa6506098d9cf651b1fe818b02949d18b5cee 100644
--- a/test/unittest/updater_binary/BUILD.gn
+++ b/test/unittest/updater_binary/BUILD.gn
@@ -23,6 +23,7 @@ ohos_unittest("binary_unittest") {
   sources = [
     "update_image_block_test.cpp",
     "update_image_patch_unittest.cpp",
+    "update_partitions_unittest.cpp",
     "update_processor_unittest.cpp",
   ]
 
diff --git a/test/unittest/updater_binary/update_image_block_test.cpp b/test/unittest/updater_binary/update_image_block_test.cpp
index e5f1675293da4f65e98017a1e3cd2a63166d64a1..da3294e2bd12f44b8e9e832e776d2fa8295ab252 100755
--- a/test/unittest/updater_binary/update_image_block_test.cpp
+++ b/test/unittest/updater_binary/update_image_block_test.cpp
@@ -61,10 +61,12 @@ void UpdateImageBlockTest::TearDown()
 HWTEST_F(UpdateImageBlockTest, update_image_block_test_001, TestSize.Level1)
 {
     const string packagePath = "/data/updater/updater/updater_write_miscblock_img.zip";
-    int fd = open("/dev/null", O_RDWR);
-    dup2(fd, STDOUT_FILENO);
-    int32_t ret = ProcessUpdater(false, STDOUT_FILENO, packagePath, GetTestCertName());
-    close(fd);
+    int pfd[2]; // 2: pipe read, pipe write
+    int ret = pipe(pfd);
+    EXPECT_GE(ret, 0);
+    ret = ProcessUpdater(false, pfd[1], packagePath, GetTestCertName());
+    close(pfd[0]);
+    close(pfd[1]);
     EXPECT_EQ(ret, 0);
 }
 
@@ -72,10 +74,12 @@ HWTEST_F(UpdateImageBlockTest, update_image_block_test_001, TestSize.Level1)
 HWTEST_F(UpdateImageBlockTest, update_image_block_test_002, TestSize.Level1)
 {
     const string packagePath = "/data/updater/updater/updater_write_diff_miscblock_img.zip";
-    int fd = open("/dev/null", O_RDWR);
-    dup2(fd, STDOUT_FILENO);
-    int32_t ret = ProcessUpdater(false, STDOUT_FILENO, packagePath, GetTestCertName());
-    close(fd);
+    int pfd[2]; // 2: pipe read, pipe write
+    int ret = pipe(pfd);
+    EXPECT_GE(ret, 0);
+    ret = ProcessUpdater(false, pfd[1], packagePath, GetTestCertName());
+    close(pfd[0]);
+    close(pfd[1]);
     EXPECT_EQ(ret, 0);
 }
 
@@ -83,20 +87,22 @@ HWTEST_F(UpdateImageBlockTest, update_image_block_test_002, TestSize.Level1)
 HWTEST_F(UpdateImageBlockTest, update_image_block_test_003, TestSize.Level1)
 {
     const string packagePath = "/data/updater/updater/updater_write_diff_miscblock_img.zip";
-    int fd = open("/dev/null", O_RDWR);
-    dup2(fd, STDOUT_FILENO);
-    int32_t ret = ProcessUpdater(false, STDOUT_FILENO, packagePath, GetTestCertName());
-    close(fd);
+    int pfd[2]; // 2: pipe read, pipe write
+    int ret = pipe(pfd);
+    EXPECT_GE(ret, 0);
+    ret = ProcessUpdater(false, pfd[1], packagePath, GetTestCertName());
+    close(pfd[0]);
+    close(pfd[1]);
     EXPECT_EQ(ret, USCRIPT_INVALID_PARAM);
 }
 
 HWTEST_F(UpdateImageBlockTest, update_image_block_test_004, TestSize.Level1)
 {
     const string packagePath = "/data/updater/updater/updater_diff_misc_verify_err.zip";
-    int fd = open("/dev/null", O_RDWR);
-    dup2(fd, STDOUT_FILENO);
-    int32_t ret = ProcessUpdater(false, STDOUT_FILENO, packagePath, GetTestCertName());
-    close(fd);
+    int pfd[2]; // 2: pipe read, pipe write
+    int ret = pipe(pfd);
+    EXPECT_GE(ret, 0);
+    ret = ProcessUpdater(false, pfd[1], packagePath, GetTestCertName());
     EXPECT_NE(ret, 0);
 }
 }
diff --git a/test/unittest/updater_binary/update_processor_unittest.cpp b/test/unittest/updater_binary/update_processor_unittest.cpp
index 583881a5a9b42f6d7f6bb2a568f5f5e019caac35..c223aa5ffa4372ad3546dc176b50b3f2177b079f 100755
--- a/test/unittest/updater_binary/update_processor_unittest.cpp
+++ b/test/unittest/updater_binary/update_processor_unittest.cpp
@@ -72,10 +72,12 @@ void UpdateProcessorUnitTest::TearDownTestCase(void) {}
 HWTEST_F(UpdateProcessorUnitTest, UpdateProcessor_001, TestSize.Level1)
 {
     const string packagePath = "/data/updater/updater/updater_write_misc_img.zip";
-    int fd = open("/dev/null", O_RDWR);
-    dup2(fd, STDOUT_FILENO);
-    int32_t ret = ProcessUpdater(false, STDOUT_FILENO, packagePath, GetTestCertName());
-    close(fd);
+    int pfd[2]; // 2: pipe read, pipe write
+    int ret = pipe(pfd);
+    EXPECT_GE(ret, 0);
+    ret = ProcessUpdater(false, pfd[1], packagePath, GetTestCertName());
+    close(pfd[0]);
+    close(pfd[1]);
     EXPECT_EQ(ret, 0);
 }
 
@@ -88,10 +90,12 @@ HWTEST_F(UpdateProcessorUnitTest, UpdateProcessor_002, TestSize.Level1)
     EXPECT_EQ(ret, 0);
 
     const string packagePath = "/data/updater/updater/updater_write_diff_misc_img.zip";
-    int fd = open("/dev/null", O_RDWR);
-    dup2(fd, STDOUT_FILENO);
-    ret = ProcessUpdater(false, STDOUT_FILENO, packagePath, GetTestCertName());
-    close(fd);
+    int pfd[2]; // 2: pipe read, pipe write
+    ret = pipe(pfd);
+    EXPECT_GE(ret, 0);
+    ret = ProcessUpdater(false, pfd[1], packagePath, GetTestCertName());
+    close(pfd[0]);
+    close(pfd[1]);
     EXPECT_EQ(ret, 0);
 }
 
@@ -104,10 +108,12 @@ HWTEST_F(UpdateProcessorUnitTest, UpdateProcessor_003, TestSize.Level1)
     EXPECT_EQ(ret, 0);
 
     const string packagePath = "/data/updater/updater/updater_write_diff_misc_img.zip";
-    int fd = open("/dev/null", O_RDWR);
-    dup2(fd, STDOUT_FILENO);
-    ret = ProcessUpdater(false, STDOUT_FILENO, packagePath, GetTestCertName());
-    close(fd);
+    int pfd[2]; // 2: pipe read, pipe write
+    ret = pipe(pfd);
+    EXPECT_GE(ret, 0);
+    ret = ProcessUpdater(false, pfd[1], packagePath, GetTestCertName());
+    close(pfd[0]);
+    close(pfd[1]);
     EXPECT_EQ(ret, USCRIPT_INVALID_PARAM);
 }
 
@@ -141,10 +147,32 @@ HWTEST_F(UpdateProcessorUnitTest, UpdateProcessor_005, TestSize.Level1)
 HWTEST_F(UpdateProcessorUnitTest, UpdateProcessor_006, TestSize.Level1)
 {
     const string packagePath = "/data/updater/updater/updater_write_not_exist.zip";
-    int fd = open("/dev/null", O_RDWR);
-    dup2(fd, STDOUT_FILENO);
-    int32_t ret = ProcessUpdater(false, STDOUT_FILENO, packagePath, GetTestCertName());
-    close(fd);
+    int pfd[2]; // 2: pipe read, pipe write
+    int ret = pipe(pfd);
+    EXPECT_GE(ret, 0);
+    ret = ProcessUpdater(false, pfd[1], packagePath, GetTestCertName());
+    close(pfd[0]);
+    close(pfd[1]);
     EXPECT_EQ(ret, EXIT_INVALID_ARGS);
 }
+
+HWTEST_F(UpdateProcessorUnitTest, UpdaterEnv_Unitest01, TestSize.Level1)
+{
+    PkgManager::PkgManagerPtr pkgManager = PkgManager::CreatePackageInstance();
+    UpdaterEnv *env = new UpdaterEnv(pkgManager, nullptr, false);
+    EXPECT_NE(env, nullptr);
+    env->PostMessage("set_progress", "0.1");
+    free(env);
+    env = nullptr;
+ 
+    env = new UpdaterEnv(pkgManager, [](const char *cmd, const char *content) {}, false);
+    EXPECT_NE(env, nullptr);
+    env->PostMessage("set_progress", "0.1");
+    UScriptInstructionFactoryPtr factory = env->GetInstructionFactory();
+    factory = env->GetInstructionFactory();
+    EXPECT_NE(factory, nullptr);
+    free(env);
+    env = nullptr;
+    PkgManager::ReleasePackageInstance(pkgManager);
+}
 } // namespace updater_ut
diff --git a/test/unittest/updaterkits_test/updaterkits_unittest.cpp b/test/unittest/updaterkits_test/updaterkits_unittest.cpp
index 45ede9291c63f6714b6cf5701773d4ee0642f09e..7c2252d572db05311e9b56c4de6562be3585c683 100755
--- a/test/unittest/updaterkits_test/updaterkits_unittest.cpp
+++ b/test/unittest/updaterkits_test/updaterkits_unittest.cpp
@@ -70,7 +70,7 @@ HWTEST_F(UpdaterKitsUnitTest, updater_kits_test02, TestSize.Level1)
     EXPECT_EQ(ret, true);
 
     char testPath[1024] = {0}; // 1024: max len
-    for (int i = 0; i < sizeof(testPath); i++) {
+    for (int i = 0; i < sizeof(testPath) - 1; i++) {
         testPath[i] = 'a';
     }
     pkgPath.push_back(testPath);