diff --git a/include/libs/monitorfw/taos_collector_registry.h b/include/libs/monitorfw/taos_collector_registry.h
index f67deb074b..f3c89ad543 100644
--- a/include/libs/monitorfw/taos_collector_registry.h
+++ b/include/libs/monitorfw/taos_collector_registry.h
@@ -103,7 +103,7 @@ int taos_collector_registry_register_collector(taos_collector_registry_t *self,
  * @param self The target taos_collector_registry_t*
  * @return The string int he default metric exposition format.
  */
-const char *taos_collector_registry_bridge(taos_collector_registry_t *self, int64_t ts);
+const char *taos_collector_registry_bridge(taos_collector_registry_t *self, char *ts);
 
 int taos_collector_registry_clear_out(taos_collector_registry_t *self);
 
diff --git a/source/libs/monitor/src/monMain.c b/source/libs/monitor/src/monMain.c
index b62cde5c5b..4670334565 100644
--- a/source/libs/monitor/src/monMain.c
+++ b/source/libs/monitor/src/monMain.c
@@ -552,8 +552,9 @@ void monSendReport() {
 }
 
 void monSendPromReport() {
-  char *pCont = (char *)taos_collector_registry_bridge(
-    TAOS_COLLECTOR_REGISTRY_DEFAULT, taosGetTimestamp(TSDB_TIME_PRECISION_MILLI));
+  char ts[50];
+  sprintf(ts, "%" PRId64, taosGetTimestamp(TSDB_TIME_PRECISION_MILLI));
+  char *pCont = (char *)taos_collector_registry_bridge(TAOS_COLLECTOR_REGISTRY_DEFAULT, ts);
   //uInfoL("report cont:\n%s\n", pCont);
   if (pCont != NULL) {
     EHttpCompFlag flag = tsMonitor.cfg.comp ? HTTP_GZIP : HTTP_FLAT;
diff --git a/source/libs/monitorfw/inc/taos_metric_formatter_i.h b/source/libs/monitorfw/inc/taos_metric_formatter_i.h
index 9a63850ea4..a5dd23410f 100644
--- a/source/libs/monitorfw/inc/taos_metric_formatter_i.h
+++ b/source/libs/monitorfw/inc/taos_metric_formatter_i.h
@@ -57,17 +57,17 @@ int taos_metric_formatter_load_l_value(taos_metric_formatter_t *metric_formatter
  * @brief API PRIVATE Loads the formatter with a metric sample
  */
 int taos_metric_formatter_load_sample(
-    taos_metric_formatter_t *metric_formatter, taos_metric_sample_t *sample, int64_t ts);
+    taos_metric_formatter_t *metric_formatter, taos_metric_sample_t *sample, char *ts);
 
 /**
  * @brief API PRIVATE Loads a metric in the string exposition format
  */
-int taos_metric_formatter_load_metric(taos_metric_formatter_t *self, taos_metric_t *metric, int64_t ts);
+int taos_metric_formatter_load_metric(taos_metric_formatter_t *self, taos_metric_t *metric, char *ts);
 
 /**
  * @brief API PRIVATE Loads the given metrics
  */
-int taos_metric_formatter_load_metrics(taos_metric_formatter_t *self, taos_map_t *collectors, int64_t ts);
+int taos_metric_formatter_load_metrics(taos_metric_formatter_t *self, taos_map_t *collectors, char *ts);
 
 /**
  * @brief API PRIVATE Clear the underlying string_builder
diff --git a/source/libs/monitorfw/src/taos_collector_registry.c b/source/libs/monitorfw/src/taos_collector_registry.c
index 6df1653393..f94c8fdcd1 100644
--- a/source/libs/monitorfw/src/taos_collector_registry.c
+++ b/source/libs/monitorfw/src/taos_collector_registry.c
@@ -186,7 +186,7 @@ int taos_collector_registry_validate_metric_name(taos_collector_registry_t *self
   return 0;
 }
 
-const char *taos_collector_registry_bridge(taos_collector_registry_t *self, int64_t ts) {
+const char *taos_collector_registry_bridge(taos_collector_registry_t *self, char *ts) {
   taos_metric_formatter_clear(self->metric_formatter);
   taos_metric_formatter_load_metrics(self->metric_formatter, self->collectors, ts);
   char *out = taos_metric_formatter_dump(self->metric_formatter);
diff --git a/source/libs/monitorfw/src/taos_metric_formatter.c b/source/libs/monitorfw/src/taos_metric_formatter.c
index 235ecb2bce..3529d9dda6 100644
--- a/source/libs/monitorfw/src/taos_metric_formatter.c
+++ b/source/libs/monitorfw/src/taos_metric_formatter.c
@@ -158,7 +158,7 @@ int taos_metric_formatter_load_l_value(taos_metric_formatter_t *self, const char
   return 0;
 }
 
-int taos_metric_formatter_load_sample(taos_metric_formatter_t *self, taos_metric_sample_t *sample, int64_t ts) {
+int taos_metric_formatter_load_sample(taos_metric_formatter_t *self, taos_metric_sample_t *sample, char *ts) {
   TAOS_ASSERT(self != NULL);
   if (self == NULL) return 1;
 
@@ -178,8 +178,7 @@ int taos_metric_formatter_load_sample(taos_metric_formatter_t *self, taos_metric
   r = taos_string_builder_add_char(self->string_builder, ' ');
   if (r) return r;
 
-  sprintf(buffer, "%ld", ts);
-  r = taos_string_builder_add_str(self->string_builder, buffer);
+  r = taos_string_builder_add_str(self->string_builder, ts);
   if (r) return r;
 
   taos_metric_sample_set(sample, 0);
@@ -206,7 +205,7 @@ char *taos_metric_formatter_dump(taos_metric_formatter_t *self) {
   return data;
 }
 
-int taos_metric_formatter_load_metric(taos_metric_formatter_t *self, taos_metric_t *metric, int64_t ts) {
+int taos_metric_formatter_load_metric(taos_metric_formatter_t *self, taos_metric_t *metric, char *ts) {
   TAOS_ASSERT(self != NULL);
   if (self == NULL) return 1;
 
@@ -233,7 +232,7 @@ int taos_metric_formatter_load_metric(taos_metric_formatter_t *self, taos_metric
   return taos_string_builder_add_char(self->string_builder, '\n');
 }
 
-int taos_metric_formatter_load_metrics(taos_metric_formatter_t *self, taos_map_t *collectors, int64_t ts) {
+int taos_metric_formatter_load_metrics(taos_metric_formatter_t *self, taos_map_t *collectors, char *ts) {
   TAOS_ASSERT(self != NULL);
   int r = 0;
   for (taos_linked_list_node_t *current_node = collectors->keys->head; current_node != NULL;