diff --git a/begetd.gni b/begetd.gni
index 3b74061ca808dc8adcc1993d438841b88e8adfcc..1bcc555e8d9daab81c7468ff5492c74aeec1cc20 100644
--- a/begetd.gni
+++ b/begetd.gni
@@ -90,5 +90,5 @@ declare_args() {
   init_feature_custom_sandbox = false
 
   # init sasn support
-  init_feature_support_asan = false
+  init_feature_support_asan = true
 }
diff --git a/services/init/standard/init_firststage.c b/services/init/standard/init_firststage.c
index 59f08633cdf9f1c2f4a73622f136e074127e50c5..af34e652ae5d1f3f89b503144370863201987315 100755
--- a/services/init/standard/init_firststage.c
+++ b/services/init/standard/init_firststage.c
@@ -135,6 +135,9 @@ static void MountRequiredPartitions(void)
 #ifdef ASAN_DETECTOR
 static void ChekcAndRunAsanInit(char * const args[])
 {
+#ifdef STARTUP_INIT_TEST
+    return;
+#endif
     const char* asanInitPath = "/system/asan/bin/init";
     char rebootReason[MAX_BUFFER_LEN] = {0};
     INIT_LOGI("ChekcAndRunAsan Begin");
@@ -155,8 +158,8 @@ static void ChekcAndRunAsanInit(char * const args[])
     OpenKmsg();
 
     setenv("ASAN_OPTIONS", "include=/system/etc/asan.options", 1);
-    setenv("TSAN_OPTIONS", "include=/system/etc/asan.options", 1);
-    setenv("UBSAN_OPTIONS", "include=/system/etc/asan.options", 1);
+    setenv("TSAN_OPTIONS", "include=/system/etc/tsan.options", 1);
+    setenv("UBSAN_OPTIONS", "print_stacktrace=1:print_module_map=2:log_exe_name=1", 1);
     setenv("HWASAN_OPTIONS", "include=/system/etc/asan.options", 1);
     INIT_LOGI("Execute %s, process id %d.", asanInitPath, getpid());
     if (execv(asanInitPath, args) != 0) {
@@ -164,7 +167,7 @@ static void ChekcAndRunAsanInit(char * const args[])
     }
 }
 #endif
-static void StartSecondStageInit(long long uptime)
+INIT_STATIC void StartSecondStageInit(long long uptime)
 {
     INIT_LOGI("Start init second stage.");
     // It will panic if close stdio before execv("/bin/sh", NULL)
@@ -182,7 +185,9 @@ static void StartSecondStageInit(long long uptime)
         NULL,
     };
 #ifdef ASAN_DETECTOR
-    ChekcAndRunAsanInit(args);
+    if (access("/log/asanEnable", F_OK) == 0) {
+        ChekcAndRunAsanInit(args);
+    }
 #endif
     if (execv("/bin/init", args) != 0) {
         INIT_LOGE("Failed to exec \"/bin/init\", err = %d", errno);
diff --git a/test/BUILD.gn b/test/BUILD.gn
index d292b6b81939af8c56787726a1b3b009305714b5..5b0fe408e4513712ed9f96fa43d34844297eaadf 100644
--- a/test/BUILD.gn
+++ b/test/BUILD.gn
@@ -24,6 +24,7 @@ group("testgroup") {
         "unittest:init_dmverify_unittest",
         "unittest:init_fshvb_unittest",
         "unittest:init_unittest",
+        "unittest/single_test/init_firststage:init_firststage_unittest",
       ]
     } else {
       if (ohos_kernel_type == "liteos_a" || ohos_kernel_type == "linux") {
diff --git a/test/unittest/single_test/init_firststage/BUILD.gn b/test/unittest/single_test/init_firststage/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..985ed1eb204f1837887487f761f643e52143f6a6
--- /dev/null
+++ b/test/unittest/single_test/init_firststage/BUILD.gn
@@ -0,0 +1,60 @@
+# Copyright (c) 2025 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import("//base/startup/init/begetd.gni")
+import("//build/test.gni")
+
+ohos_unittest("init_firststage_unittest") {
+  module_out_path = "init/init"
+  include_dirs = [
+    "//base/startup/init/test/unittest/single_test/init_firststage/include",
+    "//base/startup/init/services/init/include",
+    "//base/startup/init/services/log",
+    "//base/startup/init/services/init/standard",
+    "//base/startup/init/interfaces/innerkits/include",
+    "//base/startup/init/ueventd/include",
+    "//base/startup/init/interfaces/innerkits/fs_manager/switch_root/include",
+    "//base/startup/init/interfaces/innerkits/init_module_engine/include",
+  ]
+
+  sources = [
+    "//base/startup/init/services/init/standard/init_firststage.c",
+    "//base/startup/init/test/unittest/single_test/init_firststage/src/init_firststage_test.cpp",
+  ]
+
+  cflags_cc = [ "-fexceptions" ]
+  cflags = [
+    "-Dexecv=ExecvStub",
+    "-DCloseStdio=CloseStdioStub",
+    "-Daccess=AccessStub",
+  ]
+
+  deps = [
+    "//base/startup/init/interfaces/innerkits:libbegetutil",
+    "//base/startup/init/interfaces/innerkits/fs_manager:libfsmanager_static",
+  ]
+
+  defines = [
+    "STARTUP_INIT_UT_PATH =\"/data/init_ut\"",
+    "ASAN_DETECTOR",
+    "STARTUP_INIT_TEST",
+  ]
+
+  configs = []
+
+  external_deps = [
+    "cJSON:cjson",
+    "c_utils:utils",
+    "googletest:gtest",
+    "hilog:libhilog",
+  ]
+}
diff --git a/test/unittest/single_test/init_firststage/include/init_firststage_test.h b/test/unittest/single_test/init_firststage/include/init_firststage_test.h
new file mode 100644
index 0000000000000000000000000000000000000000..9d82a5655a5e5f6fe5b3eed201899199686136f9
--- /dev/null
+++ b/test/unittest/single_test/init_firststage/include/init_firststage_test.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INIT_FIRSTSTAGE_TEST_H
+#define INIT_FIRSTSTAGE_TEST_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void StartSecondStageInit(long long uptime);
+
+#ifdef __cplusplus
+}
+#endif
+#endif
\ No newline at end of file
diff --git a/test/unittest/single_test/init_firststage/src/init_firststage_test.cpp b/test/unittest/single_test/init_firststage/src/init_firststage_test.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c93be8c4ce78432e97dfd7bfa5e0949060a5467c
--- /dev/null
+++ b/test/unittest/single_test/init_firststage/src/init_firststage_test.cpp
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "init_firststage_test.h"
+#include <gtest/gtest.h>
+
+#include <sys/stat.h>
+
+using namespace testing;
+using namespace testing::ext;
+static int g_access = 0;
+
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+int ExecvStub(const char *pathname, char *const argv[])
+{
+    printf("do execv %s \n", pathname);
+    return 0;
+}
+
+int CreateTestFile(const char *fileName, const char *data)
+{
+    FILE *tmpFile = fopen(fileName, "wr");
+    if (tmpFile != nullptr) {
+        fprintf(tmpFile, "%s", data);
+        (void)fflush(tmpFile);
+        fclose(tmpFile);
+    }
+    return tmpFile != nullptr;
+}
+
+int AccessStub(const char *pathname, int mode)
+{
+    printf("access %s \n", pathname);
+    return g_access;
+}
+
+void CloseStdioStub(void)
+{
+    printf("close stdio \n");
+}
+
+#ifdef __cplusplus
+    }
+#endif
+
+namespace OHOS {
+class InitFirststageTest : public testing::Test {
+public:
+    static void SetUpTestCase();
+    static void TearDownTestCase();
+    void SetUp();
+    void TearDown();
+};
+
+void InitFirststageTest::SetUpTestCase()
+{
+    GTEST_LOG_(INFO) << "Hnp_Installer_TEST SetUpTestCase";
+}
+
+void InitFirststageTest::TearDownTestCase()
+{
+    GTEST_LOG_(INFO) << "Hnp_Installer_TEST TearDownTestCase";
+}
+
+void InitFirststageTest::SetUp()
+{
+    GTEST_LOG_(INFO) << "Hnp_Installer_TEST SetUp";
+}
+
+void InitFirststageTest::TearDown()
+{
+    GTEST_LOG_(INFO) << "Hnp_Installer_TEST TearDown";
+}
+
+HWTEST_F(InitFirststageTest, AsanTest_001, TestSize.Level0)
+{
+    int ret = CreateTestFile("/log/asanTest", "test");
+    StartSecondStageInit(0);
+    g_access = -1;
+    StartSecondStageInit(0);
+    EXPECT_TRUE(ret);
+}
+
+}
\ No newline at end of file