diff --git a/frameworks/datatransmitmgr/dev_slinfo_adpt.c b/frameworks/datatransmitmgr/dev_slinfo_adpt.c
index bc7c90d4a04eba181f1b4ed8d3f1e6d312bb6834..a7b4182f404c82c670a5774e4fe472482e2eb093 100644
--- a/frameworks/datatransmitmgr/dev_slinfo_adpt.c
+++ b/frameworks/datatransmitmgr/dev_slinfo_adpt.c
@@ -14,11 +14,8 @@
  */
 
 #include "dev_slinfo_adpt.h"
-
 #include <dlfcn.h>
-
 #include "securec.h"
-
 #include "dev_slinfo_list.h"
 #include "dev_slinfo_log.h"
 #include "dev_slinfo_mgr.h"
@@ -47,7 +44,7 @@ static int32_t DlopenSDK(void)
 {
     g_deviceSecLevelHandle = dlopen("libdslm_sdk.z.so", RTLD_LAZY | RTLD_NODELETE);
     if (g_deviceSecLevelHandle == NULL) {
-        DATA_SEC_LOG_ERROR("Failed to load libdevicesecmgrsdktmp: %s", dlerror());
+        DATA_SEC_LOG_ERROR("failed to load libdevicesecmgrsdktmp: %s", dlerror());
         return DEVSL_ERROR;
     }
 
@@ -69,7 +66,7 @@ static int32_t InitDeviceSecEnv(void)
     if (requestDeviceSecurityInfo == NULL) {
         dlclose(g_deviceSecLevelHandle);
         g_deviceSecLevelHandle = NULL;
-        DATA_SEC_LOG_ERROR("Failed to find symbol: %s", dlerror());
+        DATA_SEC_LOG_ERROR("failed to find symbol: %s", dlerror());
         return DEVSL_ERROR;
     }
     FreeDeviceSecurityInfoFunction freeDeviceSecurityInfo = (FreeDeviceSecurityInfoFunction)dlsym(
@@ -77,7 +74,7 @@ static int32_t InitDeviceSecEnv(void)
     if (freeDeviceSecurityInfo == NULL) {
         dlclose(g_deviceSecLevelHandle);
         g_deviceSecLevelHandle = NULL;
-        DATA_SEC_LOG_ERROR("Failed to find symbol: %s", dlerror());
+        DATA_SEC_LOG_ERROR("failed to find symbol: %s", dlerror());
         return DEVSL_ERROR;
     }
     GetDeviceSecurityLevelValueFunction getDeviceSecurityLevelValue = (GetDeviceSecurityLevelValueFunction)dlsym(
@@ -85,7 +82,7 @@ static int32_t InitDeviceSecEnv(void)
     if (getDeviceSecurityLevelValue == NULL) {
         dlclose(g_deviceSecLevelHandle);
         g_deviceSecLevelHandle = NULL;
-        DATA_SEC_LOG_ERROR("Failed to find symbol: %s", dlerror());
+        DATA_SEC_LOG_ERROR("failed to find symbol: %s", dlerror());
         return DEVSL_ERROR;
     }
     RequestDeviceSecurityInfoAsyncFunction requestDeviceSecurityInfoAsync =
@@ -93,7 +90,7 @@ static int32_t InitDeviceSecEnv(void)
     if (requestDeviceSecurityInfoAsync == NULL) {
         dlclose(g_deviceSecLevelHandle);
         g_deviceSecLevelHandle = NULL;
-        DATA_SEC_LOG_ERROR("Failed to find symbol: %s", dlerror());
+        DATA_SEC_LOG_ERROR("failed to find symbol: %s", dlerror());
         return DEVSL_ERROR;
     }
     (void)memset_s(&g_deviceSecEnv, sizeof(g_deviceSecEnv), 0, sizeof(g_deviceSecEnv));
diff --git a/frameworks/datatransmitmgr/dev_slinfo_list.c b/frameworks/datatransmitmgr/dev_slinfo_list.c
index 0b8086e21bdc3298ff39de924f9ec6b5dfb27e69..165d744f25b754024a7c38bed5bacf7a7e213629 100644
--- a/frameworks/datatransmitmgr/dev_slinfo_list.c
+++ b/frameworks/datatransmitmgr/dev_slinfo_list.c
@@ -14,10 +14,8 @@
  */
 
 #include "dev_slinfo_list.h"
-
 #include <pthread.h>
 #include "securec.h"
-
 #include "dev_slinfo_adpt.h"
 #include "dev_slinfo_log.h"
 
@@ -155,7 +153,8 @@ void LookupCallback(struct DATASLListParams *list, DEVSLQueryParams *queryParams
 
 int32_t InitPthreadMutex(void)
 {
-    int32_t ret = pthread_mutex_init(&g_mutex, NULL);
+    int32_t ret;
+    ret = pthread_mutex_init(&g_mutex, NULL);
     return ret;
 }
 
diff --git a/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/datatransmitmgr_fuzzer.cpp b/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/datatransmitmgr_fuzzer.cpp
index 961e4e670ff15c38e5efd4d992bdb8f75ddcae04..c3fca2832f82f42c6f3232e6c312bcfdf50bdefa 100644
--- a/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/datatransmitmgr_fuzzer.cpp
+++ b/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/datatransmitmgr_fuzzer.cpp
@@ -15,16 +15,10 @@
 
 #include "datatransmitmgr_fuzzer.h"
 
-#include <climits>
 #include <cstddef>
 #include <cstdint>
-#include <cstdio>
-#include <cstdlib>
-#include <fcntl.h>
-#include <unistd.h>
 
 #include "securec.h"
-
 #include "dev_slinfo_mgr.h"
 
 namespace OHOS {
diff --git a/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/datatransmitmgr_fuzzer.h b/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/datatransmitmgr_fuzzer.h
index 9bf73094bc54a0472e77a104a5dbd003d9515b55..0a69ca9a654e0e7c542e546c6a8bc712721729c6 100644
--- a/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/datatransmitmgr_fuzzer.h
+++ b/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/datatransmitmgr_fuzzer.h
@@ -16,6 +16,13 @@
 #ifndef DATATRANSMITMGR_FUZZER_H
 #define DATATRANSMITMGR_FUZZER_H
 
+#include <cstdint>
+#include <unistd.h>
+#include <climits>
+#include <cstdio>
+#include <cstdlib>
+#include <fcntl.h>
+
 #define FUZZ_PROJECT_NAME "datatransmitmgr_fuzzer"
 
 #endif
\ No newline at end of file
diff --git a/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/project.xml b/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/project.xml
index 833d01c67faa7f377c66c9dfa9cf0e40e6fa78b2..db52ac0989203364c009b2b1c0025afff037d378 100644
--- a/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/project.xml
+++ b/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/project.xml
@@ -18,7 +18,7 @@
     <!-- maximum length of a test input -->
     <max_len>1000</max_len>
     <!-- maximum total time in seconds to run the fuzzer -->
-    <max_total_time>300</max_total_time>
+    <max_total_time>30</max_total_time>
     <!-- memory usage limit in Mb -->
     <rss_limit_mb>4096</rss_limit_mb>
   </fuzztest>
diff --git a/test/unittest/datatransmitmgr/DevSLMgrTest.cpp b/test/unittest/datatransmitmgr/DevSLMgrTest.cpp
index 4b81f9e7916538e56edd256f24946fe7a5f907b0..2e5fd646dbf9ad1b255b3eb286d84d2d19734254 100644
--- a/test/unittest/datatransmitmgr/DevSLMgrTest.cpp
+++ b/test/unittest/datatransmitmgr/DevSLMgrTest.cpp
@@ -13,22 +13,33 @@
  * limitations under the License.
  */
 
-#include "DevSLMgrTest.h"
-
-#include <condition_variable>
 #include <iostream>
 #include <mutex>
 #include <thread>
-
-#include "accesstoken_kit.h"
+#include <condition_variable>
+#include "gtest/gtest.h"
 #include "file_ex.h"
-#include "nativetoken_kit.h"
 #include "securec.h"
 #include "softbus_bus_center.h"
+#include "dev_slinfo_adpt.h"
+#include "DevSLMgrTest.h"
+#include "DevslinfoListTest.h"
+#include "nativetoken_kit.h"
 #include "token_setproc.h"
+#include "accesstoken_kit.h"
 
-#include "DevslinfoListTest.h"
-#include "dev_slinfo_adpt.h"
+using namespace testing::ext;
+class DevSLMgrTest : public testing::Test {
+public:
+    DevSLMgrTest();
+    ~DevSLMgrTest();
+    static void SetUpTestCase();
+    static void TearDownTestCase();
+    void SetUp() override;
+    void TearDown() override;
+private:
+    static bool isEnforcing_;
+};
 
 static const int32_t DEV_SEC_LEVEL_ERR = 100;
 static const int32_t LIST_LENGTH = 128;
@@ -42,9 +53,7 @@ struct DeviceSecurityInfo {
 extern "C" {
     extern void OnApiDeviceSecInfoCallback(const DeviceIdentify *identify, struct DeviceSecurityInfo *info);
 }
-namespace OHOS {
-namespace Security {
-namespace DevSLMgrTest {
+
 static void NativeTokenGet()
 {
     uint64_t tokenId;
@@ -468,7 +477,4 @@ static HWTEST_F(DevSLMgrTest, TestGetHighestSecLevelExcept005, TestSize.Level1)
     ClearList(g_tmpList);
     g_tmpList = nullptr;
     DATASL_OnStop();
-}
-} // namespace DevSLMgrTest
-} // namespace Security
-} // namespace OHOS
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/test/unittest/datatransmitmgr/DevSLMgrTest.h b/test/unittest/datatransmitmgr/DevSLMgrTest.h
index 27d35b24d909f2052c720824b4aa853651597a48..472e5d279df0273a24207c0d86cade7261728448 100644
--- a/test/unittest/datatransmitmgr/DevSLMgrTest.h
+++ b/test/unittest/datatransmitmgr/DevSLMgrTest.h
@@ -16,25 +16,4 @@
 #ifndef DATASECURITYLEVEL_TEST_H
 #define DATASECURITYLEVEL_TEST_H
 
-#include <gtest/gtest.h>
-
-namespace OHOS {
-namespace Security {
-namespace DevSLMgrTest {
-using namespace testing::ext;
-class DevSLMgrTest : public testing::Test {
-public:
-    DevSLMgrTest();
-    ~DevSLMgrTest();
-    static void SetUpTestCase();
-    static void TearDownTestCase();
-    void SetUp() override;
-    void TearDown() override;
-private:
-    static bool isEnforcing_;
-};
-} // namespace DevSLMgrTest
-} // namespace Security
-} // namespace OHOS
-
 #endif
\ No newline at end of file