diff --git a/Project/GateWay/source/Module/GateWay_Debug/DebugCmd.c b/Project/GateWay/source/Module/GateWay_Debug/DebugCmd.c
index 8c68217..835f0d1 100644
--- a/Project/GateWay/source/Module/GateWay_Debug/DebugCmd.c
+++ b/Project/GateWay/source/Module/GateWay_Debug/DebugCmd.c
@@ -1029,9 +1029,11 @@ void DebugCmdRestoreFactory(int argc, char *argv[])
 	}
 		
 	DBG_LOG("Restore factory settings, GateWay Restart...\r\n");
-	memset((uint8_t *)&GateWay->ConfigPara, 0x00, sizeof(GWConfigPara_t));
-	WritePara((uint8_t *)&GateWay->ConfigPara, sizeof(GWConfigPara_t));
-	rt_thread_delay(1000);
+	/*仅擦除参数分区(扇区0~1)，非全片擦除；擦除后参数区全0xFF，
+	  重启后SavFlag无效自动加载Boot默认参数*/
+	for(uint32_t Sector = GATEWEY_PARA_SAV_SECTOR; Sector < LOG_INFO_START_SECTOR; Sector++) {
+		SpiFlashEraseSector(Sector * SPIFLASH_SECTORSIZE);
+	}	rt_thread_delay(1000);
 	NVIC_SystemReset();
 	while(1);
 }
@@ -1623,7 +1625,7 @@ static void DebugCmdCali(int argc, char *argv[])
 			TrySendFullPowerCmd(GateWay, ret);
 		}
 	}
-	else if(mac[2] == 0x02) { //RS485ͨѶ
+	else if(mac[2] == 0x02) { //RS485通讯
 		if(GateWay->ConfigPara.Rs485Ch1.Enable == true && !GateWay->ConfigPara.Rs485Ch1.CommUnitEnable) {
 			GateWay->ConfigPara.Rs485Ch1.RS485Send(Rs485Cmd, sizeof(CommUnitFrameHeader_t) + 2);
 			DBG_LOG("Calibrate CommUnit: %s!\r\n", argv[1]);
@@ -1752,7 +1754,7 @@ static void DebugLaserConfig(int argc, char *argv[])
 			}	
 		}
 	}
-	else if(mac[2] == 0x02) { //RS485ͨѶ
+	else if(mac[2] == 0x02) { //RS485通讯
 		if(GateWay->ConfigPara.Rs485Ch1.Enable == true && !GateWay->ConfigPara.Rs485Ch1.CommUnitEnable) {
 			GateWay->ConfigPara.Rs485Ch1.RS485Send(Rs485Cmd, len);
 			DBG_LOG("Control RS485 laser CommUnit: %s!\r\n", argv[1]);
diff --git a/Project/GateWay/source/Module/sx127x/sx127x.c b/Project/GateWay/source/Module/sx127x/sx127x.c
index 8879470..8b6a3fe 100644
--- a/Project/GateWay/source/Module/sx127x/sx127x.c
+++ b/Project/GateWay/source/Module/sx127x/sx127x.c
@@ -418,6 +418,14 @@ void Sx1276LoRaLoopHandler(GateWayPara GateWay)
 }
 void Sx1276LoRaSendBuffer(uint8_t* pucBuff, uint16_t ucLen)
 {
+	uint16_t TxDoneWaitCnt = 0;
+	/*LoRa发送是异步的(TxDone中断结束，IsrSx1276LoRaTxRx中将State恢复为IDLE)。
+	  若上一帧仍在发送时再次调用本函数，下面设置STANDBY会把正在发送的帧截断，
+	  导致先发出的应答丢失(传感器收不到注册应答)，故先等待上一帧发送完成*/
+	while(LoRaPara.State == SX1276_TX && TxDoneWaitCnt < 2000) {
+		Ddl_Delay1ms(1);
+		TxDoneWaitCnt++;
+	}
 	LoRaPara.State = SX1276_BUSY;
 	if (ucLen > LORA_BUFF_SIZE){
 		ucLen = LORA_BUFF_SIZE;
@@ -667,3 +675,4 @@ bool LoraSetFreqCent(uint32_t FreqCent)
 
 
 
+
diff --git a/Project/GateWay/source/User/Inc/Public.h b/Project/GateWay/source/User/Inc/Public.h
index 404f266..d4b7edc 100644
--- a/Project/GateWay/source/User/Inc/Public.h
+++ b/Project/GateWay/source/User/Inc/Public.h
@@ -1,4 +1,4 @@
-#ifndef __PUBLIC_H
+#ifndef __PUBLIC_H
 #define	__PUBLIC_H
 
 #include "bsp.h"
diff --git a/Project/GateWay/source/User/Inc/main.h b/Project/GateWay/source/User/Inc/main.h
index b9e0b69..04e4a5f 100644
--- a/Project/GateWay/source/User/Inc/main.h
+++ b/Project/GateWay/source/User/Inc/main.h
@@ -4,7 +4,7 @@
 #include "Public.h"
 #include "DebugCmd.h"
 
-#define	SOFTWARE_VERSION								12
+#define	SOFTWARE_VERSION								13
 #define	HARDWARE_VERSION								12
 
 extern bool MainDispEn;
diff --git a/Project/GateWay/source/User/Src/Public.c b/Project/GateWay/source/User/Src/Public.c
index d89cd9f..79b2fc7 100644
--- a/Project/GateWay/source/User/Src/Public.c
+++ b/Project/GateWay/source/User/Src/Public.c
@@ -615,22 +615,30 @@ int CommUnitAnalyze(GateWayPara GateWay, uint8_t *rData, uint16_t rLen, SendData
 //			if(CUHeader->PayloadLen < 2)
 //				return -1;
 			
-			if(CommUnitIdx >= 0) {		//设备存在
+						if(CommUnitIdx >= 0) {		//设备存在
 				MAIN_DBG_LOG("\r\nCommUnit has already been registered! Mac:%02X-%02X-%02X-%02X-%02X-%02X\r\n",
 									CUHeader->DevMac[0], CUHeader->DevMac[1], CUHeader->DevMac[2], CUHeader->DevMac[3], CUHeader->DevMac[4], CUHeader->DevMac[5]);
 				uint8_t ret = 1;
-				GateWay->ConfigPara.CommUnitArray[CommUnitIdx].CommErrCnt = 0;
-				GateWay->ConfigPara.CommUnitArray[CommUnitIdx].ConfigFlag = true;
-				GateWay->ConfigPara.CommUnitArray[CommUnitIdx].CailFlag = false;
-				GateWay->ConfigPara.CommUnitArray[CommUnitIdx].TimeSyncFlag = false;
-				GateWay->ConfigPara.CommUnitArray[CommUnitIdx].ContLaser = false;
-				GateWay->ConfigPara.CommUnitArray[CommUnitIdx].LaserOnOff = false;
-			GateWay->ConfigPara.CommUnitArray[CommUnitIdx].FPOTimeFlag = false;
-			GateWay->ConfigPara.CommUnitArray[CommUnitIdx].FPOTimeConfirmed = true;
-			WritePara((uint8_t *)&GateWay->ConfigPara, sizeof(GWConfigPara_t));
-			CommUnitCmdSend(GateWay, CUHeader->DevMac, COMM_UNIT_CMD_REG, &ret, 1, Response);
-			return CommUnitIdx;
-			}
+				CommUnitPara_t *pCU = &GateWay->ConfigPara.CommUnitArray[CommUnitIdx];
+				bool ParaChanged = (pCU->CommErrCnt != 0 || pCU->ConfigFlag != true || pCU->CailFlag != false ||
+					pCU->TimeSyncFlag != false || pCU->ContLaser != false || pCU->LaserOnOff != false ||
+					pCU->FPOTimeFlag != false || pCU->FPOTimeConfirmed != true);
+				pCU->CommErrCnt = 0;
+				pCU->ConfigFlag = true;
+				pCU->CailFlag = false;
+				pCU->TimeSyncFlag = false;
+				pCU->ContLaser = false;
+				pCU->LaserOnOff = false;
+				pCU->FPOTimeFlag = false;
+				pCU->FPOTimeConfirmed = true;
+				/*先发应答再写Flash：WritePara需擦除2个扇区并写入约7KB参数(耗时百毫秒级)，
+				  若先写Flash，应答延迟过大，会超出传感器注册请求后的接收窗口导致其收不到回应；
+				  参数无变化时跳过写入，避免传感器反复重注册时频繁擦写Flash*/
+				CommUnitCmdSend(GateWay, CUHeader->DevMac, COMM_UNIT_CMD_REG, &ret, 1, Response);
+				if(ParaChanged)
+					WritePara((uint8_t *)&GateWay->ConfigPara, sizeof(GWConfigPara_t));
+				return CommUnitIdx;
+			}			}
 			for(int i = 0; i < COMMUNIT_NUM_MAX; i++) {
 				if(GateWay->ConfigPara.CommUnitArray[i].RegFlag == false) {
 					CommUnitIdx = i;
@@ -668,11 +676,11 @@ int CommUnitAnalyze(GateWayPara GateWay, uint8_t *rData, uint16_t rLen, SendData
 				GateWay->ConfigPara.CommUnitArray[i].CurFPOTimeStart = LW_DEV_FPO_TIME_START_DEFAULT;
 				GateWay->ConfigPara.CommUnitArray[i].CurFPOTime = LW_DEV_FPO_TIME_DEFAULT;
 				GateWay->ConfigPara.CommUnitArray[i].FPOTimeFlag = false;
-				GateWay->ConfigPara.CommUnitArray[i].FPOTimeConfirmed = true;
-				WritePara((uint8_t *)&GateWay->ConfigPara, sizeof(GWConfigPara_t));
+								GateWay->ConfigPara.CommUnitArray[i].FPOTimeConfirmed = true;
 				uint8_t ret = 1;
+				//先发应答再写Flash，避免WritePara耗时导致应答延迟过大(原因同上)
 				CommUnitCmdSend(GateWay, CUHeader->DevMac, COMM_UNIT_CMD_REG, &ret, 1, Response);
-					
+				WritePara((uint8_t *)&GateWay->ConfigPara, sizeof(GWConfigPara_t));					
 					if(GateWay->MuchRegFlag) {	//网关已注册，向服务发送新设备添加指令
 						PayLoadLen = (GateWay->ConfigPara.CommUnitArray[i].SensorN * 6) + 2;
 						MegData = rt_malloc(PayLoadLen + 3);
@@ -1440,3 +1448,4 @@ int AuchRevCallBack(GateWayPara GateWay, uint8_t *rData, uint16_t rLen)
 {
 	return _NetRevCallBack(GateWay, rData, rLen, &GateWay->AuchRegFlag);
 }
+
diff --git a/Project/GateWay/source/User/Src/main.c b/Project/GateWay/source/User/Src/main.c
index f4cf97f..4f351fd 100644
--- a/Project/GateWay/source/User/Src/main.c
+++ b/Project/GateWay/source/User/Src/main.c
@@ -75,8 +75,19 @@ void GateWayInit(void)
 	boot_para_t bootParam;
 	dev_boot_read_param(&bootParam);
 	rt_kprintf("AppFlag: 0x%08x\r\n", bootParam.AppFlag);
-	/*升级完成后Boot会设AppFlag=APP_START_FLAG并清UpdateFlag=0,
-	  检测到升级异常(UpdateFlag仍为APP_UPDATE_FLAG 或 非首次且AppFlag无效)时擦外置Flash*/
+	/*升级完成后Boot置AppFlag=APP_BOOT_UPGRADE_FLAG(每次升级均置位，不限首次)。
+	  App启动时据此擦除参数分区(仅扇区0~1，非全片擦除)并恢复APP_START_FLAG；
+	  随后ReadPara读到0xFF→SavFlag无效→自动加载默认参数，传感器重新注册。
+	  须在下方升级异常检测之前处理，避免AppFlag!=APP_START_FLAG误触发全片擦除*/
+	if(bootParam.AppFlag == APP_BOOT_UPGRADE_FLAG) {
+		rt_kprintf("Upgrade done, erasing parameter partition...\r\n");
+		for(uint32_t Sector = GATEWEY_PARA_SAV_SECTOR; Sector < LOG_INFO_START_SECTOR; Sector++) {
+			SpiFlashEraseSector(Sector * SPIFLASH_SECTORSIZE);
+		}
+		bootParam.AppFlag = APP_START_FLAG;
+		dev_boot_write_param(bootParam);
+	}
+	/*检测升级异常(UpdateFlag仍为APP_UPDATE_FLAG 或 非首次且AppFlag无效)时擦外置Flash*/
 	if(bootParam.UpdateFlag == APP_UPDATE_FLAG
 		|| (bootParam.FirstRunFlag == 0 && bootParam.AppFlag != APP_START_FLAG)) {
 		rt_kprintf("Boot upgrade detected, erasing external Flash...\r\n");
@@ -85,8 +96,21 @@ void GateWayInit(void)
 		dev_boot_write_param(bootParam);
 	}
 
+	bool NeedSavePara = false;
 	int ret = ReadPara((uint8_t *)&GateWay.ConfigPara, sizeof(GWConfigPara_t));
-	if(GateWay.ConfigPara.SavFlag != LOG_SAV_FLAG) {
+	/*ReadPara返回-1表示CRC校验失败(参数镜像损坏)。原实现只检查SavFlag：
+	  SavFlag位于结构体最前部，"部分损坏"的镜像(前部有效后部乱码)恰好保留合法
+	  SavFlag，坏数据会被整体装入RAM——正是culs显示后面设备参数乱码的根源。
+	  CRC失败必须回退默认参数，让传感器走重新注册流程*/
+	if(ret != 0) {
+		rt_kprintf("Para CRC Error, reset to default!\r\n");
+	}
+	if(ret != 0 || GateWay.ConfigPara.SavFlag != LOG_SAV_FLAG) {
+		/*CRC正常但SavFlag无效：flash参数为空(全新设备/曾执行res gxjt/Boot整片擦除后)，
+		  打印区分于CRC错误路径，便于现场排障判断走的是默认参数还是正常恢复*/
+		if(ret == 0)
+			rt_kprintf("Para empty, load default!\r\n");
+		NeedSavePara = true;
 		memset((uint8_t *)&GateWay.ConfigPara, 0x00, sizeof(GWConfigPara_t));
 		GateWay.ConfigPara.SavFlag = LOG_SAV_FLAG;
 		/*通道/服务器等默认参数全部从Boot参数区(BootPara_t)获取, 由Boot直接配置*/
@@ -111,9 +135,7 @@ void GateWayInit(void)
 		GateWay.ConfigPara.Rs485Ch2.UpgradeEnable = false;
 		GateWay.ConfigPara.Rs485Ch2.CommUnitEnable = false;
 		GateWay.ConfigPara.Rs485Ch2.Power = false;
-		GateWay.ConfigPara.Rs485Ch1.RS485Send = RS485Ch1UartSend;
-		GateWay.ConfigPara.Rs485Ch2.RS485Send = RS485Ch2UartSend;
-		
+
 		GateWay.ConfigPara.Lora.OnOff = true;
 		GateWay.ConfigPara.Lora.ucChannel = 8;
 		GateWay.ConfigPara.Lora.ucPower = 20;
@@ -125,6 +147,36 @@ void GateWayInit(void)
 		
 		GateWay.ConfigPara.OutageFlag = false;
 	}
+	else {
+		/*防御被"洗白"的脏数据(镜像部分损坏但CRC合法)：对通讯单元表做语义校验，
+		  清除无效条目，避免乱码条目占用注册槽位导致新设备注册不上*/
+		for(int i = 0; i < COMMUNIT_NUM_MAX; i++) {
+			CommUnitPara_t *CU = &GateWay.ConfigPara.CommUnitArray[i];
+			uint8_t RegByte;
+			memcpy(&RegByte, &CU->RegFlag, 1);	//绕过编译器对bool取值0/1的假定，读取原始字节
+			bool EntryValid = (RegByte == 0 || RegByte == 1);
+			if(EntryValid && RegByte == 1) {
+				bool MacAllFF = true, MacAll00 = true;
+				for(int j = 0; j < 6; j++) {
+					if(CU->Mac[0][j] != 0xFF) MacAllFF = false;
+					if(CU->Mac[0][j] != 0x00) MacAll00 = false;
+				}
+				if(CU->SensorN == 0 || CU->SensorN > SENSOR_NUM_MAX || MacAllFF || MacAll00)
+					EntryValid = false;
+			}
+			if(!EntryValid) {
+				memset(CU, 0x00, sizeof(CommUnitPara_t));
+				NeedSavePara = true;
+			}
+		}
+		if(NeedSavePara)
+			rt_kprintf("CommUnit table dirty, cleaned!\r\n");
+	}
+
+	/*函数指针不允许从Flash恢复：正常加载路径下RS485Send来自旧固件写入Flash的
+	  代码地址，固件升级后代码布局变化会使该指针失效(野指针)。每次开机统一重设*/
+	GateWay.ConfigPara.Rs485Ch1.RS485Send = RS485Ch1UartSend;
+	GateWay.ConfigPara.Rs485Ch2.RS485Send = RS485Ch2UartSend;
 
 	/*网关MAC编码从Boot参数区(BootPara_t.GwMac)获取, 由Boot从固定地址0x4000同步
 	  (协议规定: Mac[0]=VerInfo, Mac[1:3]=PrjNum, Mac[4:5]=GwNum)*/
@@ -212,7 +264,11 @@ void GateWayInit(void)
 		//WritePara((uint8_t *)&GateWay.ConfigPara, sizeof(GWConfigPara_t));
 	}
 	
-	WritePara((uint8_t *)&GateWay.ConfigPara, sizeof(GWConfigPara_t));
+	/*原实现开机无条件回写参数：一方面无谓增加一次擦写磨损；另一方面若读出的
+	  是坏数据，回写会重新计算CRC把脏数据"洗白"成永久合法，无法自愈。
+	  仅在参数被重置或清洗过时才落盘*/
+	if(NeedSavePara)
+		WritePara((uint8_t *)&GateWay.ConfigPara, sizeof(GWConfigPara_t));
 
 	LogInit();
 	
diff --git a/Project/GateWay/source/User/Src/spiflash.c b/Project/GateWay/source/User/Src/spiflash.c
index e9326d8..1f21e00 100644
--- a/Project/GateWay/source/User/Src/spiflash.c
+++ b/Project/GateWay/source/User/Src/spiflash.c
@@ -9,6 +9,28 @@
 uint8_t flashtestbuff[SPIFLASH_SIZE];
 #endif
 
+/*SPI Flash操作互斥保护：ReadPara/WritePara/AddLog/SavLogNum会被多个线程
+  (Lora/RS485/Cat1/Eth/调试/主线程)并发调用，无保护时SPI事务交错会写坏参数镜像
+  (传感器注册风暴与网关向服务器注册并发写Flash即触发此问题)。
+  RT-Thread互斥量支持同线程递归持有(AddLog内调SavLogNum不会死锁)*/
+static rt_mutex_t FlashMutex = RT_NULL;
+static void FlashLock(void)
+{
+	if(FlashMutex == RT_NULL) {
+		rt_enter_critical();
+		if(FlashMutex == RT_NULL)
+			FlashMutex = rt_mutex_create("flsmux", RT_IPC_FLAG_PRIO);
+		rt_exit_critical();
+	}
+	if(FlashMutex != RT_NULL)
+		rt_mutex_take(FlashMutex, RT_WAITING_FOREVER);
+}
+static void FlashUnlock(void)
+{
+	if(FlashMutex != RT_NULL)
+		rt_mutex_release(FlashMutex);
+}
+
 static uint8_t SpiFlashReadByte(void)
 {
 	return Spi1SendReceive(0);
@@ -107,7 +129,7 @@ void SpiFlashWriteAnyLengthData(uint8_t* wData, uint32_t wAddr, uint16_t wLen)
 	uint16_t FirstPageRemainSpace = SPIFLASH_PAGESIZE - (WriteAddr % SPIFLASH_PAGESIZE);
 	
 //	//判断是否跨扇区，跨扇区需要先擦除下一扇区
-	CheckDelSecter(wAddr, wLen);
+//	CheckDelSecter(wAddr, wLen);
 	
 	if(wLen < FirstPageRemainSpace) {
 		FirstPageWriteSize = wLen;		//计算首页写入长度
@@ -260,7 +282,8 @@ void LogInit(void)
 void SavLogNum(uint32_t LogNum)
 {
 	LogNumSav_t CLogSav;
-	
+
+	FlashLock();
 	if(LogNum == 0) {
 		LogNumIdx = 0;
 		SetLogNum(0);
@@ -268,21 +291,21 @@ void SavLogNum(uint32_t LogNum)
 		SetFirstLogStartAddr(LOG_SAV_START_SECTOR * SPIFLASH_SECTORSIZE);
 		SetLastLogEndAddr(LOG_SAV_START_SECTOR * SPIFLASH_SECTORSIZE);
 		SpiFlashEraseSector(LOG_INFO_START_SECTOR * SPIFLASH_SECTORSIZE);
+		FlashUnlock();
 		return;
 	}
-	
 	SetLogNum(LogNum);
 	CLogSav.Flag = LOG_INFO_SAV_FLAG;
 	CLogSav.LogCnt = LogNum;
 	CLogSav.FirstLogStartAddr = ReadFirstLogStartAddr();
 	CLogSav.LastLogEndAddr = ReadLastLogEndAddr();
-	
 	if(LogNumIdx == 256) {
 		SpiFlashEraseSector(LOG_INFO_START_SECTOR * SPIFLASH_SECTORSIZE);
 		LogNumIdx = 0;
 	}
 	SpiFlashWriteData((uint8_t *)&CLogSav, LogNumIdx * sizeof(LogNumSav_t) + LOG_INFO_START_SECTOR * SPIFLASH_SECTORSIZE, sizeof(LogNumSav_t));
 	LogNumIdx++;
+	FlashUnlock();
 }
 
 /*****************************************************************************************
@@ -363,6 +386,7 @@ void AddLog(uint8_t *wData, uint32_t wLen)
 //	uint32_t SectorN;
 	LogHeader LogH;
 	
+	FlashLock();
 	LogH = (LogHeader)LogBuffTemp;
 	
 	LogNum = ReadLogNum();
@@ -390,6 +414,7 @@ void AddLog(uint8_t *wData, uint32_t wLen)
 	SpiFlashWriteAnyLengthData(LogBuffTemp, LLEndAddr, LogSize);
 		
 	SavLogNum(LogNum);
+	FlashUnlock();
 	//Debug_Printf("Add LOG: %d,endaddr = %d\r\n", LogNum, ReadLastLogEndAddr());
 }
 
@@ -468,8 +493,10 @@ int ReadLog(LogHeader Header, uint8_t **rData, uint32_t LogIdx)
 * 返 回 值: 无
 *****************************************************************************************/
 int ReadPara(uint8_t *Para, uint32_t ParaLen)
-{	
-	SpiFlashReadAnyLengthData(Para, GATEWEY_PARA_SAV_ADDR, ParaLen);		//读取片尾数据
+{
+	FlashLock();
+	SpiFlashReadAnyLengthData(Para, GATEWEY_PARA_SAV_ADDR, ParaLen);
+	FlashUnlock();
 	uint16_t Check = CRC_Modbus(CRC16_BASE, Para, ParaLen - 2);
 	GWConfigPara CfgPara = (GWConfigPara)Para;
 	if(CfgPara->crc16 != Check)
@@ -485,14 +512,29 @@ int ReadPara(uint8_t *Para, uint32_t ParaLen)
 * 返 回 值: 无
 *****************************************************************************************/
 int WritePara(uint8_t *Para, uint32_t ParaLen)
-{	
-	SpiFlashEraseSector(GATEWEY_PARA_SAV_ADDR);
-	
+{
+	FlashLock();
+	/*参数区只能占用扇区0~1(8KB)，扇区2为日志信息区(LogNumArray)。
+	  参数越界会擦除日志簿记数据，此处直接拒绝写入*/
+	if(GATEWEY_PARA_SAV_ADDR + ParaLen > LOG_INFO_START_SECTOR * SPIFLASH_SECTORSIZE) {
+		FlashUnlock();
+		return -1;
+	}
 	uint16_t Check = CRC_Modbus(CRC16_BASE, Para, ParaLen - 2);
 	GWConfigPara CfgPara = (GWConfigPara)Para;
 	CfgPara->crc16 = Check;
-	SpiFlashWriteAnyLengthData(Para, GATEWEY_PARA_SAV_ADDR, ParaLen);		//读取片尾数据
+	/*擦除参数区覆盖的所有扇区(当前GWConfigPara_t约7.5KB，跨扇区0和1)。
+	  原实现只擦扇区0，跨扇区部分依赖SpiFlashWriteAnyLengthData内部的
+	  CheckDelSecter擦除，该函数会顺带改写日志系统的LastLogEndAddr等簿记
+	  变量并可能误擦日志信息区，现已移除该调用，扇区擦除由本函数自行完成*/
+	uint32_t SectorCnt = (GATEWEY_PARA_SAV_ADDR + ParaLen + SPIFLASH_SECTORSIZE - 1) / SPIFLASH_SECTORSIZE;
+	for(uint32_t i = 0; i < SectorCnt; i++) {
+		SpiFlashEraseSector((GATEWEY_PARA_SAV_SECTOR + i) * SPIFLASH_SECTORSIZE);
+	}
+	SpiFlashWriteAnyLengthData(Para, GATEWEY_PARA_SAV_ADDR, ParaLen);
+	FlashUnlock();
 	return 0;
 }
 
 /* USER CODE END */
+