diff --git a/df_datalink_sp/src/system_monitor.c b/df_datalink_sp/src/system_monitor.c
index 41f1271..8b47b8a 100644
--- a/df_datalink_sp/src/system_monitor.c
+++ b/df_datalink_sp/src/system_monitor.c
@@ -79,6 +79,12 @@ int32_t SysMonitor_Init(void)
 	return SUCCESS;
 }
 
+// System monitor initialise
+void SysMonitor_Destroy(void)
+{
+	free(sysMonitorInst);
+}
+
 // @System Info
 void SysMonitor_UpdateSysinfo(SYSINFO *info)
 {
diff --git a/df_datalink_sp/src/system_monitor.h b/df_datalink_sp/src/system_monitor.h
index ac6e294..13fb1f5 100644
--- a/df_datalink_sp/src/system_monitor.h
+++ b/df_datalink_sp/src/system_monitor.h
@@ -119,6 +119,7 @@ typedef struct
 } SYSLOG;
 
 int32_t SysMonitor_Init(void);
+void SysMonitor_Destroy(void);
 
 void SysMonitor_UpdateSysinfo(SYSINFO *info);
 void SysMonitor_UpdateSysinfoRaw(uint8_t *buff);