diff --git a/src/main/java/com/mini/capi/biz/domain/DiskMount.java b/src/main/java/com/mini/capi/biz/domain/DiskMount.java
index ae1ba42..f0eb5cf 100644
--- a/src/main/java/com/mini/capi/biz/domain/DiskMount.java
+++ b/src/main/java/com/mini/capi/biz/domain/DiskMount.java
@@ -41,19 +41,19 @@ public class DiskMount implements Serializable {
      * 总容量
      */
     @TableField("size_kb")
-    private BigDecimal sizeKb;
+    private String sizeKb;
 
     /**
      * 已用容量
      */
     @TableField("used_kb")
-    private BigDecimal usedKb;
+    private String usedKb;
 
     /**
      * 可用容量
      */
     @TableField("avail_kb")
-    private BigDecimal availKb;
+    private String availKb;
 
     /**
      * 挂载路径
diff --git a/src/main/java/com/mini/capi/utils/HostInfo.java b/src/main/java/com/mini/capi/utils/HostInfo.java
index 0f7fb72..8b87b76 100644
--- a/src/main/java/com/mini/capi/utils/HostInfo.java
+++ b/src/main/java/com/mini/capi/utils/HostInfo.java
@@ -103,9 +103,9 @@ public final class HostInfo {
             if (arr.length < 6) continue; // 跳过异常行
             DiskMount d = new DiskMount();
             d.setDiskFs(arr[0]);
-            d.setSizeKb(new BigDecimal(arr[1]));
-            d.setUsedKb(new BigDecimal(arr[2]));
-            d.setAvailKb(new BigDecimal(arr[3]));
+            d.setSizeKb(vF.format(Long.parseLong(arr[1])));
+            d.setUsedKb(vF.format(Long.parseLong(arr[2])));
+            d.setAvailKb(vF.format(Long.parseLong(arr[3])));
             d.setMountPoint(arr[5]);
             list.add(d);
         }
diff --git a/src/main/java/com/mini/capi/utils/vF.java b/src/main/java/com/mini/capi/utils/vF.java
new file mode 100644
index 0000000..4eacd6e
--- /dev/null
+++ b/src/main/java/com/mini/capi/utils/vF.java
@@ -0,0 +1,28 @@
+package com.mini.capi.utils;
+
+public class vF {
+
+
+
+    private static final String[] UNITS = {"B", "K", "M", "G", "T", "P"};
+
+
+    public static String format(long bytes) {
+        if (bytes < 0) {
+            throw new IllegalArgumentException("字节数不能为负数");
+        }
+
+        int unitIndex = 0;
+        double size = bytes;
+
+        while (size >= 1024 && unitIndex < UNITS.length - 1) {
+            size /= 1024;
+            unitIndex++;
+        }
+
+        // 保留最多一位小数，去掉多余的 .0
+        return String.format("%.1f", size).replace(".0", "") + UNITS[unitIndex];
+    }
+
+
+}