diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/vo/SysOssVolumeVo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/vo/SysOssVolumeVo.java
index 07a0259..74077a1 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/vo/SysOssVolumeVo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/vo/SysOssVolumeVo.java
@@ -44,5 +44,5 @@ public class SysOssVolumeVo implements Serializable {
     private Long useVolume;
     private String useVolumename;
 
-    private String volumePercent;
+    private Double volumePercent;
 }
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java
index fd9903f..97a125d 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java
@@ -385,10 +385,10 @@ public class SysOssServiceImpl implements ISysOssService, OssService {
         String useName = DataSizeUtil.format(useVolume);
         ossVolumeVo.setTotalVolumeName(totalName);
         ossVolumeVo.setUseVolumename(useName);
-        int i = BigDecimal.valueOf(useVolume)
-            .divide(BigDecimal.valueOf(totalVolume), 2, RoundingMode.HALF_UP)
-            .multiply(BigDecimal.valueOf(100)).intValue();
-        ossVolumeVo.setVolumePercent(i + "%");
+        double i = BigDecimal.valueOf(useVolume)
+            .divide(BigDecimal.valueOf(totalVolume), 4, RoundingMode.HALF_UP)
+            .multiply(BigDecimal.valueOf(100)).doubleValue();
+        ossVolumeVo.setVolumePercent(i);
         return ossVolumeVo;
     }
 
@@ -405,5 +405,4 @@ public class SysOssServiceImpl implements ISysOssService, OssService {
         int i = volumeMapper.decreaseUse(sysOssVolume.getId(), use);
         return i > 0;
     }
-
 }