diff --git a/interfaces/innerkits/include/service_watcher.h b/interfaces/innerkits/include/service_watcher.h
index 3573966a91ddc2ac2811eab364de1b795f513535..bae424886d50250bdbd366489af46016315f6504 100644
--- a/interfaces/innerkits/include/service_watcher.h
+++ b/interfaces/innerkits/include/service_watcher.h
@@ -28,7 +28,7 @@ extern "C" {
 
 #define INVALID_PID 0
 
-typedef struct serviceInfo_ {
+typedef struct {
     ServiceStatus status;
     pid_t pid;
 } ServiceInfo;
diff --git a/interfaces/innerkits/reboot/init_reboot_innerkits.c b/interfaces/innerkits/reboot/init_reboot_innerkits.c
index daf42b1ee536880388cce7d80def5a0cfc4666a4..6ea77a571a2303fc0900a59b56c51206f664ad93 100644
--- a/interfaces/innerkits/reboot/init_reboot_innerkits.c
+++ b/interfaces/innerkits/reboot/init_reboot_innerkits.c
@@ -30,7 +30,7 @@
 #define DOREBOOT_PARAM "reboot.ut"
 #endif
 
-static int DoReboot_(const char *mode, const char *option)
+static int DoRebootByInitPlugin(const char *mode, const char *option)
 {
     char value[MAX_REBOOT_OPTION_SIZE];
     int ret = 0;
@@ -56,7 +56,7 @@ static int DoReboot_(const char *mode, const char *option)
     return 0;
 }
 
-static int ExecReboot_(const char *mode, const char *option)
+static int ExecReboot(const char *mode, const char *option)
 {
     // check if param set ok
 #ifndef STARTUP_INIT_TEST
@@ -65,7 +65,7 @@ static int ExecReboot_(const char *mode, const char *option)
     const int maxCount = 1;
 #endif
     int count = 0;
-    DoReboot_(mode, option);
+    DoRebootByInitPlugin(mode, option);
     while (count < maxCount) {
         usleep(100 * 1000); // 100 * 1000 wait 100ms
         char result[10] = {0}; // 10 stop len
@@ -76,7 +76,7 @@ static int ExecReboot_(const char *mode, const char *option)
             return 0;
         }
         count++;
-        DoReboot_(mode, option);
+        DoRebootByInitPlugin(mode, option);
     }
     BEGET_LOGE("Failed to reboot system");
     return 0;
@@ -84,10 +84,10 @@ static int ExecReboot_(const char *mode, const char *option)
 
 int DoReboot(const char *option)
 {
-    return ExecReboot_(NULL, option);
+    return ExecReboot(NULL, option);
 }
 
 int DoRebootExt(const char *mode, const char *option)
 {
-    return ExecReboot_(mode, option);
+    return ExecReboot(mode, option);
 }
\ No newline at end of file
diff --git a/services/modules/sysevent/startup_time_event.c b/services/modules/sysevent/startup_time_event.c
index f030dba65cfb7d494a5b233f5fedc9b84769e99f..29619dc92eaf4eec516d51d93df6ee1f6606ceba 100644
--- a/services/modules/sysevent/startup_time_event.c
+++ b/services/modules/sysevent/startup_time_event.c
@@ -57,7 +57,7 @@ static int TraversalEvent(ListNode *node, void *root)
     int len = GetServiceName(item->paramName, args->buffer + args->currLen, args->bufferLen - args->currLen);
     PLUGIN_CHECK(len > 0 && (((uint32_t)len + args->currLen) < args->bufferLen), return -1,
         "Failed to format service name %s", item->paramName);
-    args->currLen += len;
+    args->currLen += (uint32_t)len;
 
     len = sprintf_s(args->buffer + args->currLen, args->bufferLen - args->currLen, ",%u:%u,%u:%u;",
         (uint32_t)item->timestamp[BOOTEVENT_FORK].tv_sec,
diff --git a/services/param/manager/param_server.c b/services/param/manager/param_server.c
index 87360c2089a8cfef95943a5151bdd496d6dfeb6f..be0cd98f737ff8a9ded6c9fffad2a0998abdecf8 100755
--- a/services/param/manager/param_server.c
+++ b/services/param/manager/param_server.c
@@ -110,7 +110,7 @@ static void CmdlineIterator(const NAME_VALUE_PAIR *nv, void *context)
     char fullName[PARAM_NAME_LEN_MAX];
     cmdLineIteratorCtx *ctx = (cmdLineIteratorCtx *)context;
     char *data = (char *)ctx->cmdline;
-    static const cmdLineInfo cmdLines[] = {
+    static const cmdLineInfo CMDLINES[] = {
         { "hardware", CommonDealFun },
         { "bootgroup", CommonDealFun },
         { "reboot_reason", CommonDealFun },
@@ -131,11 +131,11 @@ static void CmdlineIterator(const NAME_VALUE_PAIR *nv, void *context)
     }
 
     // Matching reserved cmdlines
-    for (size_t i = 0; i < ARRAY_LENGTH(cmdLines); i++) {
+    for (size_t i = 0; i < ARRAY_LENGTH(CMDLINES); i++) {
         // Check exact match
-        if (strcmp(name, cmdLines[i].name) != 0) {
+        if (strcmp(name, CMDLINES[i].name) != 0) {
             // Check if contains ".xxx" for compatibility
-            ret = snprintf_s(fullName, sizeof(fullName), sizeof(fullName) - 1, ".%s", cmdLines[i].name);
+            ret = snprintf_s(fullName, sizeof(fullName), sizeof(fullName) - 1, ".%s", CMDLINES[i].name);
             matched = strstr(name, fullName);
             if (matched == NULL) {
                 continue;
@@ -146,13 +146,13 @@ static void CmdlineIterator(const NAME_VALUE_PAIR *nv, void *context)
             }
         }
         ret = snprintf_s(fullName, sizeof(fullName), sizeof(fullName) - 1,
-            OHOS_CMDLINE_PARA_PREFIX "%s", cmdLines[i].name);
+            OHOS_CMDLINE_PARA_PREFIX "%s", CMDLINES[i].name);
         if (ret <= 0) {
             continue;
         }
         PARAM_LOGV("proc cmdline %s matched.", fullName);
-        ret = cmdLines[i].processor(fullName, nv->value);
-        if ((ret == 0) && (SnDealFun == cmdLines[i].processor)) {
+        ret = CMDLINES[i].processor(fullName, nv->value);
+        if ((ret == 0) && (SnDealFun == CMDLINES[i].processor)) {
             ctx->gotSn = true;
         }
         return;
diff --git a/test/unittest/modules/eng_unittest.cpp b/test/unittest/modules/eng_unittest.cpp
index e390ea39cd5e52fb56efe4b8306d5cd289548393..2f06404531ee2e5a988373ac15d528887c373fd5 100644
--- a/test/unittest/modules/eng_unittest.cpp
+++ b/test/unittest/modules/eng_unittest.cpp
@@ -39,9 +39,9 @@ void BuildMountCmd(char *buffer, size_t len, const char *mp, const char *dev, co
 bool IsFileExistWithType(const char *file, FileType type);
 }
 
-static const std::string g_srcFilePath = STARTUP_INIT_UT_PATH"/eng/source/test.txt";
-static const std::string g_targetPath = STARTUP_INIT_UT_PATH"/eng/link_name";
-static const std::string g_engRootPath = STARTUP_INIT_UT_PATH"/eng/";
+static const std::string SRC_FILE_PATH = STARTUP_INIT_UT_PATH"/eng/source/test.txt";
+static const std::string TARGET_PATH = STARTUP_INIT_UT_PATH"/eng/link_name";
+static const std::string ENG_ROOT_PATH = STARTUP_INIT_UT_PATH"/eng/";
 
 static bool RemoveDir(const std::string &path)
 {
@@ -111,37 +111,37 @@ public:
 HWTEST_F(EngUnitTest, TestFilesOverlay, TestSize.Level1)
 {
     bool isDel = false;
-    bool isExist = IsDirExist(g_engRootPath.c_str());
+    bool isExist = IsDirExist(ENG_ROOT_PATH.c_str());
     if (isExist) {
-        isDel = RemoveDir(g_engRootPath.c_str());
+        isDel = RemoveDir(ENG_ROOT_PATH.c_str());
         EXPECT_EQ(isDel, true);
     }
-    isExist = IsDirExist(g_targetPath.c_str());
+    isExist = IsDirExist(TARGET_PATH.c_str());
     if (isExist) {
-        isDel = RemoveDir(g_targetPath.c_str());
+        isDel = RemoveDir(TARGET_PATH.c_str());
         EXPECT_EQ(isDel, true);
     }
-    DebugFilesOverlay(g_engRootPath.c_str(), g_targetPath.c_str());
+    DebugFilesOverlay(ENG_ROOT_PATH.c_str(), TARGET_PATH.c_str());
 
-    CreateTestFile(g_srcFilePath.c_str(), "test");
-    isExist = IsFileExist(g_srcFilePath.c_str());
+    CreateTestFile(SRC_FILE_PATH.c_str(), "test");
+    isExist = IsFileExist(SRC_FILE_PATH.c_str());
     EXPECT_EQ(isExist, true);
 
-    DebugFilesOverlay(g_srcFilePath.c_str(), g_targetPath.c_str());
-    isExist = IsFileExistWithType(g_srcFilePath.c_str(), TYPE_REG);
+    DebugFilesOverlay(SRC_FILE_PATH.c_str(), TARGET_PATH.c_str());
+    isExist = IsFileExistWithType(SRC_FILE_PATH.c_str(), TYPE_REG);
     EXPECT_EQ(isExist, true);
 
 
-    if (IsFileExistWithType(g_targetPath.c_str(), TYPE_LINK)) {
-        if (unlink(g_targetPath.c_str()) < 0) {
+    if (IsFileExistWithType(TARGET_PATH.c_str(), TYPE_LINK)) {
+        if (unlink(TARGET_PATH.c_str()) < 0) {
             EXPECT_TRUE(false);
         }
     }
-    int ret = symlink(g_engRootPath.c_str(), g_targetPath.c_str());
+    int ret = symlink(ENG_ROOT_PATH.c_str(), TARGET_PATH.c_str());
     EXPECT_EQ(ret, 0);
-    isExist = IsFileExistWithType(g_targetPath.c_str(), TYPE_LINK);
+    isExist = IsFileExistWithType(TARGET_PATH.c_str(), TYPE_LINK);
     EXPECT_EQ(isExist, true);
-    DebugFilesOverlay(g_targetPath.c_str(), g_engRootPath.c_str());
+    DebugFilesOverlay(TARGET_PATH.c_str(), ENG_ROOT_PATH.c_str());
     EXPECT_EQ(ret, 0);
 }
 
@@ -153,38 +153,38 @@ HWTEST_F(EngUnitTest, TestBindMountFile, TestSize.Level1)
     BindMountFile("/data/init_ut", "/");
 
     bool isExist = false;
-    if (!IsFileExist(g_srcFilePath.c_str())) {
-        CreateTestFile(g_srcFilePath.c_str(), "test reg file mount");
-        isExist = IsFileExist(g_srcFilePath.c_str());
+    if (!IsFileExist(SRC_FILE_PATH.c_str())) {
+        CreateTestFile(SRC_FILE_PATH.c_str(), "test reg file mount");
+        isExist = IsFileExist(SRC_FILE_PATH.c_str());
         EXPECT_EQ(isExist, true);
-        BindMountFile(g_srcFilePath.c_str(), "/");
+        BindMountFile(SRC_FILE_PATH.c_str(), "/");
     }
 
-    if (IsFileExist(g_srcFilePath.c_str())) {
+    if (IsFileExist(SRC_FILE_PATH.c_str())) {
         RemoveDir(STARTUP_INIT_UT_PATH"/eng/source");
-        isExist = IsFileExist(g_srcFilePath.c_str());
+        isExist = IsFileExist(SRC_FILE_PATH.c_str());
         EXPECT_EQ(isExist, false);
     }
-    if (IsFileExistWithType(g_targetPath.c_str(), TYPE_LINK)) {
-        if (unlink(g_targetPath.c_str()) < 0) {
+    if (IsFileExistWithType(TARGET_PATH.c_str(), TYPE_LINK)) {
+        if (unlink(TARGET_PATH.c_str()) < 0) {
             EXPECT_TRUE(false);
         }
     }
 
-    bool isLinkFile = IsFileExist(g_targetPath.c_str());
+    bool isLinkFile = IsFileExist(TARGET_PATH.c_str());
     EXPECT_EQ(isLinkFile, false);
-    BindMountFile(g_srcFilePath.c_str(), g_targetPath.c_str());
+    BindMountFile(SRC_FILE_PATH.c_str(), TARGET_PATH.c_str());
 
-    int ret = symlink(g_srcFilePath.c_str(), g_targetPath.c_str());
+    int ret = symlink(SRC_FILE_PATH.c_str(), TARGET_PATH.c_str());
     EXPECT_EQ(ret, 0);
-    isLinkFile = IsFileExistWithType(g_targetPath.c_str(), TYPE_LINK);
+    isLinkFile = IsFileExistWithType(TARGET_PATH.c_str(), TYPE_LINK);
     EXPECT_EQ(isLinkFile, true);
-    BindMountFile(g_srcFilePath.c_str(), g_targetPath.c_str());
+    BindMountFile(SRC_FILE_PATH.c_str(), TARGET_PATH.c_str());
 
-    if (!IsDirExist(g_engRootPath.c_str())) {
+    if (!IsDirExist(ENG_ROOT_PATH.c_str())) {
         CheckAndCreateDir(STARTUP_INIT_UT_PATH"/eng/");
     }
-    BindMountFile(g_engRootPath.c_str(), g_targetPath.c_str());
+    BindMountFile(ENG_ROOT_PATH.c_str(), TARGET_PATH.c_str());
 }
 
 HWTEST_F(EngUnitTest, TestMountCmd, TestSize.Level1)
@@ -200,14 +200,14 @@ HWTEST_F(EngUnitTest, TestFileType, TestSize.Level1)
     std::string linkName = "/data/init_ut/eng/link_name_test";
     bool isExist = false;
 
-    if (!IsFileExist(g_srcFilePath.c_str())) {
-        CreateTestFile(g_srcFilePath.c_str(), "test");
-        isExist = IsFileExist(g_srcFilePath.c_str());
+    if (!IsFileExist(SRC_FILE_PATH.c_str())) {
+        CreateTestFile(SRC_FILE_PATH.c_str(), "test");
+        isExist = IsFileExist(SRC_FILE_PATH.c_str());
         EXPECT_EQ(isExist, true);
     }
 
     EXPECT_EQ(IsFileExistWithType(STARTUP_INIT_UT_PATH"/eng", TYPE_DIR), true);
-    EXPECT_EQ(IsFileExistWithType(g_srcFilePath.c_str(), TYPE_REG), true);
+    EXPECT_EQ(IsFileExistWithType(SRC_FILE_PATH.c_str(), TYPE_REG), true);
 
     if (IsFileExist(targetFile)) {
         if (unlink(targetFile.c_str()) < 0) {