diff --git a/.cproject b/.cproject
index ee8f790..887db3b 100644
--- a/.cproject
+++ b/.cproject
@@ -101,7 +101,7 @@
 				</extensions>
 			</storageModule>
 			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-				<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" errorParsers="org.eclipse.cdt.core.GASErrorParser;org.eclipse.cdt.core.GmakeErrorParser;org.eclipse.cdt.core.GLDErrorParser;org.eclipse.cdt.core.CWDLocator;org.eclipse.cdt.core.GCCErrorParser" id="cdt.managedbuild.config.gnu.cross.exe.release.770635657" name="Release" optionalBuildProperties="org.eclipse.cdt.docker.launcher.containerbuild.property.selectedvolumes=,org.eclipse.cdt.docker.launcher.containerbuild.property.volumes=" parent="cdt.managedbuild.config.gnu.cross.exe.release" postannouncebuildStep="" postbuildStep="cp WirelessGateway Cidn-SH;arm-linux-gnueabihf-strip Cidn-SH" preannouncebuildStep="" prebuildStep="">
+				<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" errorParsers="org.eclipse.cdt.core.GASErrorParser;org.eclipse.cdt.core.GmakeErrorParser;org.eclipse.cdt.core.GLDErrorParser;org.eclipse.cdt.core.CWDLocator;org.eclipse.cdt.core.GCCErrorParser" id="cdt.managedbuild.config.gnu.cross.exe.release.770635657" name="Release" optionalBuildProperties="org.eclipse.cdt.docker.launcher.containerbuild.property.selectedvolumes=,org.eclipse.cdt.docker.launcher.containerbuild.property.volumes=" parent="cdt.managedbuild.config.gnu.cross.exe.release" postannouncebuildStep="" postbuildStep="cp WLG Cidn-SH;arm-linux-gnueabihf-strip Cidn-SH" preannouncebuildStep="" prebuildStep="">
 					<folderInfo id="cdt.managedbuild.config.gnu.cross.exe.release.770635657." name="/" resourcePath="">
 						<toolChain errorParsers="" id="cdt.managedbuild.toolchain.gnu.cross.exe.release.1737804687" name="Cross GCC" superClass="cdt.managedbuild.toolchain.gnu.cross.exe.release">
 							<option id="cdt.managedbuild.option.gnu.cross.prefix.1625525504" name="Prefix" superClass="cdt.managedbuild.option.gnu.cross.prefix" useByScannerDiscovery="false" value="arm-linux-gnueabihf-" valueType="string"/>
diff --git a/dbaccess/sql_db.cpp b/dbaccess/sql_db.cpp
index 86e97b1..8677fba 100644
--- a/dbaccess/sql_db.cpp
+++ b/dbaccess/sql_db.cpp
@@ -1345,142 +1345,7 @@ int SqliteDB::QueryofflineData() {
     return res;
 }
 
-int SqliteDB::CalculateData() {
-    int res = 0;
-    int featureInterVal = 0;
-    int featureInterTime = 0;
-    int waveInterVal = 0;
-    int waveInterTime = 0;
-    int maxSensorNum = 0;
-    scheduler::instance().GetScheduleConfig(featureInterVal,waveInterVal,featureInterTime,waveInterTime,maxSensorNum);
 
-    array_t vecRet = GetDataMultiLine(T_SENSOR_INFO(TNAME), " dataNodeNo,MeasurementID,NodeWaveSend,featureInterVal,waveInterVal,ZigbeePower ", NULL);
-    if (vecRet.size() > 0) {
-        int planCount = 0, planCountStatistic = 0, StatisticCountTotal = 0,CountWaveXTotal = 0;
-        int CountWaveYTotal = 0, CountWaveZTotal = 0;
-        for (size_t i = 0; i < vecRet.size(); i++) {
-            planCount = 1440 / waveInterVal;
-            planCountStatistic = 1440 / featureInterVal;
-            int rate = readIntValue("config", "waveRate", (char *)GlobalConfig::Config_G.c_str());
-            char tableName[50] = {0x00};
-            char whereCon[128] = {0x00};
-            sprintf(tableName, "t_dataStatic_%s", vecRet[i][0].c_str());
-            const char *sql = " timestamp >= strftime('%s', 'now', '-1 day', 'start of day','utc') "
-                              "AND timestamp < strftime('%s', 'now', '-1 day','start of day','utc','+24 hours') ";
-            int StatisticCount = GetTableRows(tableName, sql);
-
-            zlog_info(zct, "nodeWaveSend = %s,waveInterVal = %d", vecRet[i][2].c_str(), waveInterVal);
-            if (vecRet[i][2] == "") continue;
-            std::vector<std::string> nodeWaveSend;
-            boost::split(nodeWaveSend, vecRet[i][2], boost::is_any_of(","), boost::token_compress_on);
-            int CountWaveX = 0, CountWaveY = 0, CountWaveZ = 0;
-            int CountWaveX2 = 0, CountWaveY2 = 0, CountWaveZ2 = 0;
-            int CountWaveX3 = 0, CountWaveY3 = 0, CountWaveZ3 = 0;
-            int rateX = 0, rateY = 0, rateZ = 0;
-            if (nodeWaveSend.size() < 3) {
-                continue;
-            }
-            sprintf(tableName, "t_data_waveSend");
-            const char *sql1 = "timeStamp >= strftime('%s', 'now', '-1 day', 'start of day','utc')"
-                               " AND timeStamp < strftime('%s', 'now','-1 day', 'start of day','utc','+24 hours')";
-
-            const char *sql2 = "timeStamp >= strftime('%s', 'now', '-2 day', 'start of day','utc')"
-                               " AND timeStamp < strftime('%s', 'now','-2 day', 'start of day','utc','+24 hours')";
-
-            const char *sql3 = "timeStamp >= strftime('%s', 'now', '-3 day', 'start of day','utc')"
-                               " AND timeStamp < strftime('%s', 'now','-3 day', 'start of day','utc','+24 hours')";
-            if (nodeWaveSend[0] == "0") {
-                sprintf(whereCon, " and channelID = '%s-X'", vecRet[i][1].c_str());
-                std::string strsql = std::string(sql1) + std::string(whereCon);
-                zlog_info(zct, "sql = %s", strsql.c_str());
-                CountWaveX = GetTableRows(tableName, strsql.c_str());
-                sprintf(whereCon, " and channelID = '%s-X'", vecRet[i][1].c_str());
-                strsql = std::string(sql2) + std::string(whereCon);
-                CountWaveX2 = GetTableRows(tableName, strsql.c_str());
-                sprintf(whereCon, " and channelID = '%s-X'", vecRet[i][1].c_str());
-                strsql = std::string(sql3) + std::string(whereCon);
-                CountWaveX3 = GetTableRows(tableName, strsql.c_str());
-                if ((CountWaveX > 0 && (CountWaveX / planCount > (rate / 100))) && (CountWaveX2 > 0 && (CountWaveX2 / planCount > (rate / 100))) && (CountWaveX3 > 0 && (CountWaveX3 / planCount > (rate / 100)))) {
-                    rateX = 1;
-                } else {
-                    rateX = -1;
-                }
-            }
-            if (nodeWaveSend[1] == "0") {
-                sprintf(whereCon, " and channelID = '%s-Y'", vecRet[i][1].c_str());
-                std::string strsql = std::string(sql1) + std::string(whereCon);
-                CountWaveY = GetTableRows(tableName, strsql.c_str());
-                sprintf(whereCon, " and channelID = '%s-Y'", vecRet[i][1].c_str());
-                strsql = std::string(sql2) + std::string(whereCon);
-                CountWaveY2 = GetTableRows(tableName, strsql.c_str());
-                sprintf(whereCon, " and channelID = '%s-Y'", vecRet[i][1].c_str());
-                strsql = std::string(sql3) + std::string(whereCon);
-                CountWaveY3 = GetTableRows(tableName, strsql.c_str());
-
-                if ((CountWaveY > 0 && (CountWaveY / planCount > (rate / 100))) && (CountWaveY2 > 0 && (CountWaveY2 / planCount > (rate / 100))) && (CountWaveY3 > 0 && (CountWaveY3 / planCount > (rate / 100)))) {
-                    rateY = 1;
-                } else {
-                    rateY = -1;
-                }
-            }
-            if (nodeWaveSend[2] == "0") {
-                sprintf(whereCon, " and channelID = '%s-Z'", vecRet[i][1].c_str());
-                std::string strsql = std::string(sql1) + std::string(whereCon);
-                CountWaveZ = GetTableRows(tableName, strsql.c_str());
-                sprintf(whereCon, " and channelID = '%s-Z'", vecRet[i][1].c_str());
-                strsql = std::string(sql2) + std::string(whereCon);
-                CountWaveZ2 = GetTableRows(tableName, strsql.c_str());
-                sprintf(whereCon, " and channelID = '%s-Z'", vecRet[i][1].c_str());
-                strsql = std::string(sql3) + std::string(whereCon);
-                CountWaveZ3 = GetTableRows(tableName, strsql.c_str());
-
-                if ((CountWaveZ > 0 && (CountWaveZ / planCount > (rate / 100))) && (CountWaveZ2 > 0 && (CountWaveZ2 / planCount > (rate / 100))) && (CountWaveZ3 > 0 && (CountWaveZ3 / planCount > (rate / 100)))) {
-                    rateZ = 1;
-                } else {
-                    rateZ = -1;
-                }
-            }
-            StatisticCountTotal += StatisticCount;
-            CountWaveXTotal += CountWaveX;
-            CountWaveYTotal += CountWaveY;
-            CountWaveZTotal += CountWaveZ;
-            zlog_info(zct, "dataNodeNo = %s , Statistic Count = %d , CountWaveX = %d , CountWaveY = %d , CountWaveZ = %d , featureInterVal = %d , waveInterVal = %d , NodeWaveSend = %s", vecRet[i][0].c_str(), StatisticCount
-            , CountWaveX, CountWaveY, CountWaveZ, featureInterVal, waveInterVal, vecRet[i][2].c_str());
-
-            int zigbeepowerEnable = readIntValue("config", "zigbeepowerEnable", (char *)GlobalConfig::Config_G.c_str());
-            if (zigbeepowerEnable) {
-                zlog_info(zct, "rateX = %d,rateY = %d,rateZ = %d,zigbeepower = %s", rateX, rateY, rateZ, vecRet[i][5].c_str());
-                if (rateX != -1 && rateY != -1 && rateZ != -1 && vecRet[i][5] == "3") {
-                    char updateSql[50] = {0x00};
-                    sprintf(updateSql, "ZigbeePower = '2',UpdateFlag = 0 ");
-                    memset(whereCon, 0x00, sizeof(whereCon));
-                    sprintf(whereCon, " dataNodeNo = '%s'", vecRet[i][0].c_str());
-                    res = UpdateTableData(T_SENSOR_INFO(TNAME), updateSql, whereCon);
-                    if(res !=0 ){
-                        zlog_error(zct, "res = %d", res);
-                    }
-                    zlog_info(zct, "2 update ZigbeePower ");
-                }
-
-                if ((rateX == -1 || rateY == -1 || rateZ == -1) && vecRet[i][5] == "2") {
-                    char updateSql[50] = {0x00};
-                    sprintf(updateSql, "ZigbeePower = '3',UpdateFlag = 0 ");
-                    memset(whereCon, 0x00, sizeof(whereCon));
-                    sprintf(whereCon, " dataNodeNo = '%s'", vecRet[i][0].c_str());
-                    res = UpdateTableData(T_SENSOR_INFO(TNAME), updateSql, whereCon);
-                    if(res !=0 ){
-                        zlog_error(zct, "res = %d", res);
-                    }
-                    zlog_info(zct, "3 update ZigbeePower ");
-                }
-            }
-        }
-        zlog_info(zct, "Node Count = %d , featureInterVal = %d , waveInterVal = %d", vecRet.size(), featureInterVal, waveInterVal);
-        zlog_info(zct, "plan Statistic Count = %d , CountWaveX = %d ", planCountStatistic * vecRet.size(), planCount * vecRet.size());
-        zlog_info(zct, "reality Statistic Count = %d , CountWaveX = %d ,CountWaveY = %d ,CountWaveZ = %d ", StatisticCountTotal, CountWaveXTotal, CountWaveYTotal, CountWaveZTotal);
-    }
-    return res;
-}
 
 int SqliteDB::TransBegin() { return sqlite3_exec(mDBAcess, "begin;", 0, 0, 0); }
 
diff --git a/dbaccess/sql_db.hpp b/dbaccess/sql_db.hpp
index 16d4ba7..09e404b 100644
--- a/dbaccess/sql_db.hpp
+++ b/dbaccess/sql_db.hpp
@@ -67,7 +67,6 @@ public:
     int CalculateDip();
     int InintGateway();
     int QueryofflineData();
-    int CalculateData();
     int CalculateWaveRate();
     std::string GetNodeConfigureInfor(const char *whereCon);
     int CloseDB();
diff --git a/scheduler/schedule.cpp b/scheduler/schedule.cpp
index aa115b4..0f7b78e 100644
--- a/scheduler/schedule.cpp
+++ b/scheduler/schedule.cpp
@@ -24,7 +24,7 @@ int SensorScheduler::StartSchedule(int short_addr, int &next_duration) {
     }
 
     current_ts_ = GetLocalTs();
-    CleanIdleOccupiedSet(current_ts_);
+    CleanIdleOccupiedSet();
 
     nth_wave_start_slice_ = (current_ts_ - start_timestamp_) / wave_form_send_interval_;
     current_wave_start_ts_ = nth_wave_start_slice_ * wave_form_send_interval_ + start_timestamp_;
@@ -167,9 +167,9 @@ long SensorScheduler::CalcNextTimestamp(int id, uint16_t short_addr) {
                     if (slice_sensor_id_[i+forward_wave_slice_num] == 0) {
                         // 判断此空闲位置是否被占用
                         long current_wave_slice_ts = current_wave_start_ts_ + nth_eigen_value_slice_ * eigen_value_send_interval_ + eigen_value_slice_total_seconds_ + i * seconds_per_wave_slice_;
-                        if (free_slice_ocuppied_.count(current_wave_slice_ts) == 0) {
+                        if (!IdleSliceOccupied(i+forward_wave_slice_num)) {
                             available_ts = current_wave_slice_ts;
-                            free_slice_ocuppied_.insert(available_ts);
+                            free_slice_ocuppied_.push_back(i+forward_wave_slice_num);
                             zlog_warn(zct, "[Nxt][%d:%x] %d nth free wave slice will be used to upgrade, utc time:[%s]", id, short_addr, i+forward_wave_slice_num, GetUTCTime(available_ts).c_str());
                             break;
                         }
@@ -641,12 +641,18 @@ void SensorScheduler::ClearScheduleCfg(int short_addr) {
     
 }
 
-void SensorScheduler::CleanIdleOccupiedSet(long ts) {
-    if (free_slice_ocuppied_.size() > 5) {
-        for (auto it = free_slice_ocuppied_.begin(); it != free_slice_ocuppied_.end();) {
-            if ((*it) < ts) {
-                it = free_slice_ocuppied_.erase(it);
-            } else ++it;
+void SensorScheduler::CleanIdleOccupiedSet() {
+	int min_num = 0;
+    while (free_slice_ocuppied_.size() > free_slice_ && free_slice_ > min_num) {
+        free_slice_ocuppied_.pop_front();
+    }    
+}
+
+bool SensorScheduler::IdleSliceOccupied(int slice_id) {
+    for (auto item : free_slice_ocuppied_) {
+        if (slice_id == item) {
+            return true;
         }
     }
-}
\ No newline at end of file
+    return false;
+}
diff --git a/scheduler/schedule.hpp b/scheduler/schedule.hpp
index f3b72ad..e9939ad 100644
--- a/scheduler/schedule.hpp
+++ b/scheduler/schedule.hpp
@@ -4,6 +4,7 @@
 #include <iostream>
 #include <map>
 #include <unordered_set>
+#include <list>
 #include <vector>
 #include <stdint.h>
 #include <boost/container/detail/singleton.hpp>
@@ -101,7 +102,8 @@ public:
 
 private:
     void UpdateUpgradeInfo(int id);
-    void CleanIdleOccupiedSet(long ts);
+    void CleanIdleOccupiedSet();
+    bool IdleSliceOccupied(int slice_id); // 索引号
 
     // user config
     int eigen_value_send_interval_;
@@ -125,7 +127,7 @@ private:
     std::map<uint16_t, int> short_addr_map_; // base_relation.json
 
     // 空闲时间戳被占用
-    std::unordered_set<long> free_slice_ocuppied_;
+    std::list<int> free_slice_ocuppied_;
 
     // sensor config update
     std::unordered_set<int> update_;
diff --git a/scheduler/update_cfg.cpp b/scheduler/update_cfg.cpp
index 341d1d9..66e79ae 100644
--- a/scheduler/update_cfg.cpp
+++ b/scheduler/update_cfg.cpp
@@ -35,7 +35,11 @@ int UpdateCfg::ReadCfg(std::unordered_set<int>& update) {
     return 0; 
 }
 
-int UpdateCfg::WriteCfg(std::unordered_set<int> &update) { 
+int UpdateCfg::WriteCfg(std::unordered_set<int> &update) {
+    if (update.size() == 0) {
+        ClearCfg();
+        return 0;
+    } 
     Json::Value root;
     for (auto item : update) {
         root.append(item);
diff --git a/scheduler/upgrade_cfg.cpp b/scheduler/upgrade_cfg.cpp
index 2beb7cb..00f137a 100644
--- a/scheduler/upgrade_cfg.cpp
+++ b/scheduler/upgrade_cfg.cpp
@@ -7,12 +7,20 @@ extern zlog_category_t *zct;
 extern zlog_category_t *zbt;
 
 int UpgradeCfg::ReadCfg(std::map<int, UpgradeInfo> &upgrade) {
-    std::ifstream upgrade_file(UPGRADE_CONFIG);
+    std::ifstream upgrade_file(UPGRADE_CONFIG);    
     if (!upgrade_file.good()) {
         zlog_info(zbt, "[UpgradeCfg] no such file");
         return 0;
     }
 
+    upgrade_file.seekg(0, std::ios::end);
+    std::streampos file_size = upgrade_file.tellg();
+    if (file_size > 256000) {
+        zlog_error(zct, "upgrade file exception, will remove it");
+        ClearCfg();
+        return 1;
+    }
+    upgrade_file.seekg(0, std::ios::beg);
     Json::Reader reader;
     Json::Value root;
     if (!reader.parse(upgrade_file, root, false)) {
@@ -51,6 +59,10 @@ int UpgradeCfg::ReadCfg(std::map<int, UpgradeInfo> &upgrade) {
 }
 
 int UpgradeCfg::WriteCfg(std::map<int, UpgradeInfo> &upgrade) {
+    if (upgrade.size() == 0) {
+        ClearCfg();
+        return 0;
+    }
     Json::Value root;        
     for (auto item : upgrade) {
         Json::Value upgrade_item;
diff --git a/threadfunc/check_thread.cpp b/threadfunc/check_thread.cpp
index 4800fff..c175ad0 100644
--- a/threadfunc/check_thread.cpp
+++ b/threadfunc/check_thread.cpp
@@ -100,16 +100,6 @@ void CheckThread() {
             std::string data = jd.JsonCmd_07();
             data_publish(data.c_str(), GlobalConfig::Topic_G.mPubStatus.c_str());
             HardStatus = 0;
-            int hour = 0;
-            struct tm *tm_info = get_current_date();
-            hour = tm_info->tm_hour;
-            int statistics = readIntValue("config", "statistics", (char *)GlobalConfig::Config_G.c_str());
-            if (statistics == 0 && hour > 13) {
-                writeIntValue("config", "statistics", 1, (char *)GlobalConfig::Config_G.c_str());
-                sqlite_db_ctrl::instance().CalculateData();
-            } else if (statistics == 1 && hour < 13) {
-                writeIntValue("config", "statistics", 0, (char *)GlobalConfig::Config_G.c_str());
-            }
         }
         if (mqttresend == 7200) {
             mqttresend = 0;
diff --git a/uart/uart.cpp b/uart/uart.cpp
index f349a96..1bc81d1 100644
--- a/uart/uart.cpp
+++ b/uart/uart.cpp
@@ -226,7 +226,7 @@ int Uart::ZigbeeTest() {
 }
 
 void Uart::WriteToUart(const char *strSend, int pLen) {
-    if (!bUpdate) 
+    if (bUpdate) 
     {
         printf( "Write To Uart Start:\n");
         for (int i = 0; i < pLen; i++) {