diff --git a/jsonparse/mqtt_cmd_parse.cpp b/jsonparse/mqtt_cmd_parse.cpp
index 645ac13..74fa1eb 100644
--- a/jsonparse/mqtt_cmd_parse.cpp
+++ b/jsonparse/mqtt_cmd_parse.cpp
@@ -712,7 +712,7 @@ void JsonData::DataNodeStatusCheck() {
                 }
             }
         }
-        if (count == nSize && nodeOnline) {
+        if (count == nSize && nodeOnline && count != 0) {
             zlog_error(zct, "ALL Node offline,count = %d", count);
             exit(0);
         }
diff --git a/threadfunc/check_thread.cpp b/threadfunc/check_thread.cpp
index f1d415f..44688dc 100644
--- a/threadfunc/check_thread.cpp
+++ b/threadfunc/check_thread.cpp
@@ -118,7 +118,7 @@ void CheckThread() {
             }
         }
 
-        if (600 == online_check) {
+        if (1800 == online_check) {
             online_check = 0;
             int Count = sqlite_db_ctrl::instance().GetTableRows(T_SENSOR_INFO(TNAME), NULL);
             if (Count > 0) {
diff --git a/threadfunc/thread_func.cpp b/threadfunc/thread_func.cpp
index a0c0c3e..477b3ed 100644
--- a/threadfunc/thread_func.cpp
+++ b/threadfunc/thread_func.cpp
@@ -374,13 +374,15 @@ void CleanLogFile(std::string log_dir, size_t retain) {
 
 void DiskSpaceCheck() {
     std::string directory = "/opt/log";
+    std::string directory_data = "/opt/data";
     while (1) {
         boost::filesystem::space_info si = boost::filesystem::space("/opt");                
-        if (si.free <= 20000000) {     
+        if (si.free <= 512000000) {     
             zlog_warn(zct, "disk free space:%llu for /opt", si.free);       
-            CleanLogFile(directory, 10);            
+            CleanLogFile(directory, 10);     
+            CleanLogFile(directory_data, 100);         
             boost::filesystem::space_info si1 = boost::filesystem::space("/opt");
-            if (si1.free <= 20000000) {
+            if (si1.free <= 512000000) {
                 zlog_warn(zct, "[DiskSpaceCheck] can not release enough space and clean more log file");
                 CleanLogFile(directory, 5);
             }          
diff --git a/uart/uart_feature_parse.cpp b/uart/uart_feature_parse.cpp
index 9da72be..e06cad0 100644
--- a/uart/uart_feature_parse.cpp
+++ b/uart/uart_feature_parse.cpp
@@ -22,9 +22,9 @@ std::vector<RecvData> g_VecWaveDataZ;
 std::map<std::string, compressWaveChannel> g_mapCompress;
 std::map<std::string, WaveChannel> g_mapWaveChannel;
 
-unsigned char data[1024 * 80] = {0x00};
-unsigned char outdata[1024 * 80] = {0x00};
-unsigned char dealdata[1024 * 80] = {0x00};
+unsigned char data[96000] = {0x00};
+unsigned char outdata[96000] = {0x00};
+unsigned char dealdata[96000] = {0x00};
 char  mqttData[512000] = {0};
 
 void Uart::RecordBattery(std::string &strLongAddr, DataRecvStatic &dataStatic, std::string &nowTimetamp) {
@@ -772,6 +772,15 @@ void Uart::DealWave() {
             wave_trans_ = false;
             return;
         }
+        char localtimestamp[32] = {0};
+        GetTimeNet(localtimestamp, 1);
+        char insertSql[100] = {0x00};
+        char whereCon[50] = {0x00};
+        sprintf(whereCon, "MeasurementID='%s'",strMeasurementID.c_str());
+        memset(whereCon, 0x00, sizeof(whereCon));
+        sprintf(insertSql, "'%s','%02x%02x','%s',0,'1','%s' ", strMeasurementID.c_str(),(wave_shortAddr >> 8) & 0xFF,wave_shortAddr & 0xFF,localtimestamp,"");
+        sqlite_db_ctrl::instance().InsertData(" receive_wave_status ", insertSql);
+
         std::string ran = "";
         int n = 0;
         int range = 0;
@@ -814,18 +823,6 @@ void Uart::DealWave() {
             g_VecWaveDataZ.clear();
             VecWaveDataZ.clear();
         }
-        if (m_waveCountX > 0 || m_waveCountY > 0 || m_waveCountZ > 0)
-        {
-            char localtimestamp[32] = {0};
-            GetTimeNet(localtimestamp, 1);
-            char insertSql[100] = {0x00};
-            char whereCon[50] = {0x00};
-            sprintf(whereCon, "MeasurementID='%s'",strMeasurementID.c_str());
-            memset(whereCon, 0x00, sizeof(whereCon));
-            sprintf(insertSql, "'%s','%02x%02x','%s',0,'1','%s' ", strMeasurementID.c_str(),(wave_shortAddr >> 8) & 0xFF,wave_shortAddr & 0xFF,localtimestamp,"");
-            sqlite_db_ctrl::instance().InsertData(" receive_wave_status ", insertSql);
-        }
-        
         
         wave_trans_ = false;
     }