diff --git a/src/os/src/detail/osTimer.c b/src/os/src/detail/osTimer.c
index 618df8a8bad451984fafd022a33a799986a48422..bc5119107a312b5f281263823d766e9ce506a85a 100644
--- a/src/os/src/detail/osTimer.c
+++ b/src/os/src/detail/osTimer.c
@@ -20,6 +20,7 @@
 
 #if !(defined(_TD_WINDOWS_64) || defined(_TD_WINDOWS_32) || defined(_TD_DARWIN_64))
 
+#ifndef _ALPINE
 static void taosDeleteTimer(void *tharg) {
   timer_t *pTimer = tharg;
   timer_delete(*pTimer);
@@ -105,4 +106,41 @@ void taosUninitTimer() {
   pthread_join(timerThread, NULL);
 }
 
+#else
+
+static timer_t       timerId;
+
+void sig_alrm_handler(union sigval sv) {
+  void (*callback)(int) = sv.sival_ptr;
+  callback(0);
+}
+int taosInitTimer(void (*callback)(int), int ms) {
+  struct sigevent evp;
+  memset((void *)&evp, 0, sizeof(evp));
+  evp.sigev_notify = SIGEV_THREAD;
+  evp.sigev_notify_function = &sig_alrm_handler;
+  evp.sigev_signo = SIGALRM;
+  evp.sigev_value.sival_ptr = (void *)callback;
+
+  struct itimerspec ts;
+  ts.it_value.tv_sec = 0;
+  ts.it_value.tv_nsec = 1000000 * MSECONDS_PER_TICK;
+  ts.it_interval.tv_sec = 0;
+  ts.it_interval.tv_nsec = 1000000 * MSECONDS_PER_TICK;
+  if (timer_create(CLOCK_REALTIME, &evp, &timerId)) {
+    uError("Failed to create timer");
+    return -1;
+  }
+
+  if (timer_settime(timerId, 0, &ts, NULL)) {
+    uError("Failed to init timer");
+    return -1;
+  }
+  return 0;
+}
+
+void taosUninitTimer() {
+  timer_delete(timerId);
+}
+#endif
 #endif
diff --git a/src/plugins/http/src/httpResp.c b/src/plugins/http/src/httpResp.c
index a2452a16b94fea060a370c86518bb36c1da45070..2c18904d2a9cc2d2dca57c406134518028daba9b 100644
--- a/src/plugins/http/src/httpResp.c
+++ b/src/plugins/http/src/httpResp.c
@@ -156,7 +156,10 @@ void httpSendErrorResp(HttpContext *pContext, int32_t errNo) {
 
   HttpServer *pServer = &tsHttpServer;
   SMonHttpStatus *httpStatus = monGetHttpStatusHashTableEntry(httpCode);
-  pServer->statusCodeErrs[httpStatus->index] += 1;
+  // FIXME(@huolinhe): I don't known why the errors index is overflowed, but fix it by index check
+  if (httpStatus->index < HTTP_STATUS_CODE_NUM) {
+    pServer->statusCodeErrs[httpStatus->index] += 1;
+  }
 
   pContext->error = true;
 
diff --git a/src/util/src/tlog.c b/src/util/src/tlog.c
index 78986d227a94ed2d1b2a224398d358ee67f448b2..67f7042033b495635f5de973774f65dcce35a0b1 100644
--- a/src/util/src/tlog.c
+++ b/src/util/src/tlog.c
@@ -375,6 +375,9 @@ void taosPrintLog(const char *flags, int32_t dflag, const char *format, ...) {
     fflush(stdout);
     return;
   }
+  if (flags == NULL || format == NULL) {
+    return;
+  }
 
   va_list        argpointer;
   char           buffer[MAX_LOGLINE_BUFFER_SIZE] = { 0 };