diff --git a/df_datalink_sp/src/system_monitor.c b/df_datalink_sp/src/system_monitor.c
index c56a89f..a4c901c 100644
--- a/df_datalink_sp/src/system_monitor.c
+++ b/df_datalink_sp/src/system_monitor.c
@@ -289,16 +289,3 @@ void SysMonitor_GetHardwareStatus(HWSTATE *state)
 	memcpy(state, &(sysMonitorInst->hwState[buffIndx]), sizeof(HWSTATE));
 	sysMonitorInst->hwStateCtrl.rBusy = buffIndex_old;
 }
-
-
-// @System log
-/**
- * Get the latest system running log.
- */
-void SysMonitor_GetSyslog(SYSLOG *log)
-{
-	ASSERT(sysMonitorInst != NULL);
-	SysMonitor_GetLinklayerLog(&(log->linkLog));
-	SysMonitor_GetPhysicalLayerLog(&(log->phyLog));
-	SysMonitor_GetHardwareStatus(&(log->hwState));
-}
\ No newline at end of file
diff --git a/df_datalink_sp/src/system_monitor.h b/df_datalink_sp/src/system_monitor.h
index 32f77eb..4447e5b 100644
--- a/df_datalink_sp/src/system_monitor.h
+++ b/df_datalink_sp/src/system_monitor.h
@@ -141,18 +141,6 @@ typedef struct __attribute__((packed))
 	uint8_t dummy;
 } HWSTATE;
 
-typedef struct
-{
-	// Link layer log
-	LINKLOG linkLog;
-
-	// Physical layer log
-	PHYLOG phyLog;
-
-	// Hardware status
-	HWSTATE hwState;
-} SYSLOG;
-
 typedef struct
 {
 	uint32_t dataId;
@@ -177,6 +165,4 @@ void SysMonitor_GetLinklayerLog(LINKLOG *log);
 void SysMonitor_GetPhysicalLayerLog(PHYLOG *log);
 void SysMonitor_GetHardwareStatus(HWSTATE *state);
 
-void SysMonitor_GetSyslog(SYSLOG *log);
-
 #endif //__SYSTEM_MONITOR_H_
diff --git a/df_datalink_sp/src/systembus/systembus.h b/df_datalink_sp/src/systembus/systembus.h
index 6d1675a..e136735 100644
--- a/df_datalink_sp/src/systembus/systembus.h
+++ b/df_datalink_sp/src/systembus/systembus.h
@@ -36,7 +36,10 @@ typedef struct
 typedef struct
 {
     SYSBUS_CONFIG config;
-    SYSLOG sysLog;
+    SYSBUSLOG sysbusLog; // systembus log
+	LINKLOG linkLog; // Link layer log
+	PHYLOG phyLog; // Physical layer log
+	HWSTATE hwState; // Hardware status
     SYSBUS_UART *uartInst;
     CIRC_QUEUE *txQueue;
     CIRC_QUEUE *rxQueue;