diff --git a/IsegHVController.py b/IsegHVController.py
index c4b1087..2db59f7 100755
--- a/IsegHVController.py
+++ b/IsegHVController.py
@@ -8,6 +8,20 @@ import socket
 import sys
 import time
 
+import influxdb_client
+from influxdb_client import InfluxDBClient, Point, WritePrecision
+from influxdb_client.client.write_api import SYNCHRONOUS, ASYNCHRONOUS
+
+#------ database
+with open('ISEG_TOKEN.txt', 'r') as f:
+   token = f.readline()
+
+org = "FSUFoxLab"
+ip = "https://fsunuc.physics.fsu.edu/influx/"
+write_client = influxdb_client.InfluxDBClient(url=ip, token=token, org=org)
+bucket = "ISEG"
+write_api = write_client.write_api(write_options=ASYNCHRONOUS)
+
 #assign a port, to prevent the script run mulitple time
 s = socket.socket()
 host = socket.gethostname()
@@ -272,7 +286,8 @@ while True:
     
     pushToDB = window["-DatabaseEnable-"].get()
     if pushToDB :
-      tempFile = open("temp.dat", "w")
+      points = []
+      #tempFile = open("temp.dat", "w")
     
     for i in range(0, nChannel):
       window[("a%d" % chList[i])].update("%.3f" % outVList[i])
@@ -280,12 +295,16 @@ while True:
       
       #==== To DataBase
       if pushToDB :
-        tempFile.write("Voltage,Ch=%d value=%f\n" % (chList[i], outVList[i]))
-        tempFile.write("LeakageCurrent,Ch=%d value=%f\n" % (chList[i], outIList[i]*1e6))
+        points.append(Point("Voltage").tag("Ch",int(chList[i])).field("value",float(outVList[i])))
+        points.append(Point("LeakageCurrent").tag("Ch",int(chList[i])).field("value",float(outIList[i])))
+
+        #tempFile.write("Voltage,Ch=%d value=%f\n" % (chList[i], outVList[i]))
+        #tempFile.write("LeakageCurrent,Ch=%d value=%f\n" % (chList[i], outIList[i]*1e6))
     
     if pushToDB:
-      tempFile.close()
-      os.system("curl -XPOST http://%s:8086/write?db=testing --data-binary @temp.dat" % databaseIP )
+      #tempFile.close()
+      write_api.write(bucket=bucket, org=org, record=points)
+      #os.system("curl -XPOST http://%s:8086/write?db=testing --data-binary @temp.dat" % databaseIP )
       
   
 window.close()
diff --git a/IsegHVDataBase.py b/IsegHVDataBase.py
index 68ecd09..0664c27 100755
--- a/IsegHVDataBase.py
+++ b/IsegHVDataBase.py
@@ -5,6 +5,20 @@ import os
 import socket
 import time
 
+import influxdb_client
+from influxdb_client import InfluxDBClient, Point, WritePrecision
+from influxdb_client.client.write_api import SYNCHRONOUS, ASYNCHRONOUS
+
+#------ database
+with open('ISEG_TOKEN.txt', 'r') as f:
+   token = f.readline()
+
+org = "FSUFoxLab"
+ip = "https://fsunuc.physics.fsu.edu/influx/"
+write_client = influxdb_client.InfluxDBClient(url=ip, token=token, org=org)
+bucket = "ISEG"
+write_api = write_client.write_api(write_options=ASYNCHRONOUS)
+
 #assign a port, to prevent the script run mulitple time
 s = socket.socket()
 host = socket.gethostname()
@@ -22,15 +36,20 @@ while True:
     outVList = iseg.GetAllOutputHV()
     outIList = iseg.GetAllLC() 
     
-    tempFile = open("temp.dat", "w")
+    # tempFile = open("temp.dat", "w")
+    points = []
     
     for i in range(0, nChannel):
-      tempFile.write("Voltage,Ch=%d value=%f\n" % (chList[i], outVList[i]))
-      tempFile.write("LeakageCurrent,Ch=%d value=%f\n" % (chList[i], outIList[i]*1e6))
+      # tempFile.write("Voltage,Ch=%d value=%f\n" % (chList[i], outVList[i]))
+      # tempFile.write("LeakageCurrent,Ch=%d value=%f\n" % (chList[i], outIList[i]*1e6))
+      points.append(Point("Voltage").tag("Ch",int(chList[i])).field("value",float(outVList[i])))
+      points.append(Point("LeakageCurrent").tag("Ch",int(chList[i])).field("value",float(outIList[i])))
+
+
+    # tempFile.close()
     
-    tempFile.close()
-    
-    os.system("curl -XPOST http://128.186.111.107:8086/write?db=testing --data-binary @temp.dat")
+    write_api.write(bucket=bucket, org=org, record=points)
+    # os.system("curl -XPOST http://128.186.111.107:8086/write?db=testing --data-binary @temp.dat")
 
     time.sleep(updateTime)
 
diff --git a/README.md b/README.md
index 86f0c6e..d5cfe55 100644
--- a/README.md
+++ b/README.md
@@ -3,11 +3,15 @@
 in Ubuntu 20+
 
     ~>sudo apt install python3-tk snmp snmp-mibs-downloader curl python3-pip
-    ~>python3 -m pip install pysimplegui
+    ~>python3 -m pip install pysimplegui influxdb-client
 
 also, download the https://fsunuc.physics.fsu.edu/wiki/images/5/53/WIENER-CRATE-MIB.txt and put in /usr/share/snmp/mibs/
 
+
 # Usage
 
     ~>python3 IsegHVController.py <IP>
 
+# DataBase connection
+
+for influxDB V1, simply put the database IP. since 2024, we upgraded to influxDB V2, a token is needed for secure connection. For Token, please check https://fsunuc.physics.fsu.edu/elog/fsunuc/28
\ No newline at end of file