diff --git a/src/perf_events.cpp b/src/perf_events.cpp
index dca64b69b86896775f11784e32b82acb28fb80db..26eb70df619fbb875e4589bbc76cf17c5179ec9a 100644
--- a/src/perf_events.cpp
+++ b/src/perf_events.cpp
@@ -1880,11 +1880,13 @@ void PerfEvents::StatLoop()
                 durationInSec = usedTimeMsTick.count();
                 auto lefTimeMsTick = duration_cast<milliseconds>(endTime - thisTime);
                 if (reportPtr_ == nullptr) {
-                    printf("\nReport at %" PRId64 " ms (%" PRId64 " ms left):\n",
-                           (uint64_t)usedTimeMsTick.count(), (uint64_t)lefTimeMsTick.count());
+                    printf("\nReport at %" PRIu64 " ms (%" PRIu64 " ms left):\n",
+                        static_cast<uint64_t>(usedTimeMsTick.count()),
+                        static_cast<uint64_t>(lefTimeMsTick.count()));
                 } else {
-                    fprintf(reportPtr_, "\nReport at %" PRId64 " ms (%" PRId64 " ms left):\n",
-                            (uint64_t)usedTimeMsTick.count(), (uint64_t)lefTimeMsTick.count());
+                    fprintf(reportPtr_, "\nReport at %" PRIu64 " ms (%" PRIu64 " ms left):\n",
+                        static_cast<uint64_t>(usedTimeMsTick.count()),
+                        static_cast<uint64_t>(lefTimeMsTick.count()));
                 }
                 // end of comments
                 nextReportTime += timeReport_;
@@ -1900,9 +1902,10 @@ void PerfEvents::StatLoop()
             usedTimeMsTick = duration_cast<milliseconds>(thisTime - startTime);
             durationInSec = usedTimeMsTick.count();
             if (reportPtr_ == nullptr) {
-                printf("Timeout exit (total %" PRId64 " ms)\n", (uint64_t)usedTimeMsTick.count());
+                printf("Timeout exit (total %" PRIu64 " ms)\n", static_cast<uint64_t>(usedTimeMsTick.count()));
             } else {
-                fprintf(reportPtr_, "Timeout exit (total %" PRId64 " ms)\n", (uint64_t)usedTimeMsTick.count());
+                fprintf(reportPtr_, "Timeout exit (total %" PRIu64 " ms)\n",
+                    static_cast<uint64_t>(usedTimeMsTick.count()));
             }
             if (trackedCommand_) {
                 trackedCommand_->Stop();
@@ -1925,7 +1928,7 @@ void PerfEvents::StatLoop()
     if (!g_trackRunning) {
         // for user interrupt situation, print time statistic
         usedTimeMsTick = duration_cast<milliseconds>(steady_clock::now() - startTime);
-        printf("User interrupt exit (total %" PRId64 " ms)\n", (uint64_t)usedTimeMsTick.count());
+        printf("User interrupt exit (total %" PRIu64 " ms)\n", static_cast<uint64_t>(usedTimeMsTick.count()));
     }
 
     if (timeReport_ == milliseconds::zero()) {
diff --git a/src/perf_pipe.cpp b/src/perf_pipe.cpp
index 3825c5656e88557df880abd858b8be9a4b6c4143..0b2d70bb92e044dd258055d384fd9ab41ea2cb40 100644
--- a/src/perf_pipe.cpp
+++ b/src/perf_pipe.cpp
@@ -110,8 +110,8 @@ bool PerfPipe::SendFifoAndWaitReply(const std::string &cmd, const std::chrono::m
         close(fdRead);
         return false;
     }
-    size_t size = write(fdWrite, cmd.c_str(), cmd.size());
-    if (size != cmd.size()) {
+    ssize_t size = write(fdWrite, cmd.c_str(), cmd.size());
+    if (size != static_cast<ssize_t>(cmd.size())) {
         HLOGE("failed to write fifo file(%s) command(%s)", fifoFileC2S_.c_str(), cmd.c_str());
         HIPERF_HILOGE(MODULE_DEFAULT, "failed to write fifo file(%{public}s) command(%{public}s).",
                       fifoFileC2S_.c_str(), cmd.c_str());
diff --git a/src/subcommand_record.cpp b/src/subcommand_record.cpp
index 7cf8e6395941f730bd6d3082692c921708b50165..d1b9979ca9b0e54d4f6f37bdf1763a593f800607 100644
--- a/src/subcommand_record.cpp
+++ b/src/subcommand_record.cpp
@@ -788,7 +788,7 @@ pid_t SubCommandRecord::GetPidFromAppPackage(const pid_t oldPid, const uint64_t
             }
             std::string fileName {basePath + subDir + cmdline};
             if (IsSameCommand(ReadFileToString(fileName), appPackage_)) {
-                res = std::stoul(subDir, nullptr);
+                res = static_cast<pid_t>(std::stoul(subDir, nullptr));
                 HLOGD("[GetAppPackagePid]: get appid for %s is %d", appPackage_.c_str(), res);
                 return res;
             }
@@ -1203,8 +1203,8 @@ bool SubCommandRecord::ClientCommandResponse(const std::string& str)
             return false;
         }
     }
-    size_t size = write(clientPipeOutput_, str.c_str(), str.size());
-    if (size != str.size()) {
+    ssize_t size = write(clientPipeOutput_, str.c_str(), str.size());
+    if (size != static_cast<ssize_t>(str.size())) {
         char errInfo[ERRINFOLEN] = { 0 };
         strerror_r(errno, errInfo, ERRINFOLEN);
         HLOGD("Server:%s -> %d : %zd %d:%s", str.c_str(), clientPipeOutput_, size, errno, errInfo);
@@ -1223,8 +1223,8 @@ bool SubCommandRecord::ChildResponseToMain(bool response)
 bool SubCommandRecord::ChildResponseToMain(const std::string& str)
 {
     int tempFd = isHiperfClient_ ? clientPipeOutput_ : writeFd_;
-    size_t size = write(tempFd, str.c_str(), str.size());
-    if (size != str.size()) {
+    ssize_t size = write(tempFd, str.c_str(), str.size());
+    if (size != static_cast<ssize_t>(str.size())) {
         char errInfo[ERRINFOLEN] = { 0 };
         strerror_r(errno, errInfo, ERRINFOLEN);
         HLOGE("write pipe failed. str:%s, size:%zd, errno:%d:%s", str.c_str(), size, errno, errInfo);
diff --git a/src/subcommand_stat.cpp b/src/subcommand_stat.cpp
index b91531ec2e898a49b164c5b6f44e9f8e88db14a5..ce00f4a0a41adbe66ca8373ba9317e59525e5434 100644
--- a/src/subcommand_stat.cpp
+++ b/src/subcommand_stat.cpp
@@ -781,8 +781,8 @@ bool SubCommandStat::ClientCommandResponse(bool response)
 
 bool SubCommandStat::ClientCommandResponse(const std::string& str)
 {
-    size_t size = write(clientPipeOutput_, str.c_str(), str.size());
-    if (size != str.size()) {
+    ssize_t size = write(clientPipeOutput_, str.c_str(), str.size());
+    if (size != static_cast<ssize_t>(str.size())) {
         char errInfo[ERRINFOLEN] = { 0 };
         strerror_r(errno, errInfo, ERRINFOLEN);
         HLOGD("Server:%s -> %d : %zd %d:%s", str.c_str(), clientPipeOutput_, size, errno, errInfo);