diff --git a/src/main/java/com/luoboduner/moo/info/ui/form/NetworkForm.java b/src/main/java/com/luoboduner/moo/info/ui/form/NetworkForm.java
index ea2add4..1a3109c 100644
--- a/src/main/java/com/luoboduner/moo/info/ui/form/NetworkForm.java
+++ b/src/main/java/com/luoboduner/moo/info/ui/form/NetworkForm.java
@@ -1,5 +1,6 @@
 package com.luoboduner.moo.info.ui.form;
 
+import cn.hutool.core.io.unit.DataSizeUtil;
 import cn.hutool.log.Log;
 import cn.hutool.log.LogFactory;
 import com.intellij.uiDesigner.core.GridConstraints;
@@ -23,7 +24,6 @@ import javax.swing.table.TableModel;
 import java.awt.*;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
-import java.text.DecimalFormat;
 import java.util.List;
 import java.util.*;
 
@@ -152,8 +152,8 @@ public class NetworkForm {
         }
 
         NetworkForm networkForm = getInstance();
-        networkForm.getUploadSpeedLabel().setText("↓: " + formatSize((downloadNow - downloadBefore) / (timestampNow - timestampBefore)) + "/s");
-        networkForm.getDownloadSpeedLabel().setText("↑: " + formatSize((uploadNow - uploadBefore) / (timestampNow - timestampBefore)) + "/s");
+        networkForm.getUploadSpeedLabel().setText("↓: " + DataSizeUtil.format((downloadNow - downloadBefore) / (timestampNow - timestampBefore) * 1000) + "/s");
+        networkForm.getDownloadSpeedLabel().setText("↑: " + DataSizeUtil.format((uploadNow - uploadBefore) / (timestampNow - timestampBefore) * 1000) + "/s");
 
         downloadBefore = downloadNow;
         uploadBefore = uploadNow;
@@ -250,30 +250,6 @@ public class NetworkForm {
         return "";
     }
 
-    /**
-     * this functions converts byte to KB, MB, GB, TB with 3 decimal places
-     *
-     * @param size number to convert
-     * @return coverted number with unit size  (ex. 1,234 KB)
-     */
-    private static String formatSize(long size) {
-        double m = size / 1024.0;
-        double g = size / 1048576.0;
-        double t = size / 1073741824.0;
-
-        DecimalFormat dec = new DecimalFormat("0.000");
-        String formattedSize;
-        if (t > 1) {
-            formattedSize = dec.format(t).concat(" TB");
-        } else if (g > 1) {
-            formattedSize = dec.format(g).concat(" GB");
-        } else if (m > 1) {
-            formattedSize = dec.format(m).concat(" MB");
-        } else {
-            formattedSize = size + " KB";
-        }
-        return formattedSize;
-    }
 
     {
 // GUI initializer generated by IntelliJ IDEA GUI Designer