diff --git a/src/systemsettingform.cpp b/src/systemsettingform.cpp
index 235a5f7..a0777a3 100644
--- a/src/systemsettingform.cpp
+++ b/src/systemsettingform.cpp
@@ -179,8 +179,8 @@ void systemSettingForm::updateDiskUse()
 {
 	if (m_diskuse != -1.0)
 	{
-		ui->batIcon->setValue(m_disksize);
-		ui->lbl_used->setText(tr("used:\t%1G").arg(m_disksize));
+		ui->batIcon->setValue(m_diskuse);
+		ui->lbl_used->setText(tr("used:\t%1G").arg(m_diskuse));
 	}
 	else
 	{
diff --git a/src/translations/zh_CN.ts b/src/translations/zh_CN.ts
index c2382b6..a33df9d 100644
--- a/src/translations/zh_CN.ts
+++ b/src/translations/zh_CN.ts
@@ -1155,7 +1155,7 @@ parameters
     <message>
         <location filename="../systemsettingform.cpp" line="170"/>
         <source>total:	%1G</source>
-        <translation>总量:\t%1G</translation>
+        <translation>总量：%1G</translation>
     </message>
     <message>
         <location filename="../systemsettingform.cpp" line="174"/>
@@ -1165,7 +1165,7 @@ parameters
     <message>
         <location filename="../systemsettingform.cpp" line="183"/>
         <source>used:	%1G</source>
-        <translation>剩余:\t%1G</translation>
+        <translation>剩余：%1G</translation>
     </message>
     <message>
         <location filename="../systemsettingform.cpp" line="187"/>
diff --git a/src/translations/zh_CN.ts.bak b/src/translations/zh_CN.ts.bak
index c2382b6..a33df9d 100644
--- a/src/translations/zh_CN.ts.bak
+++ b/src/translations/zh_CN.ts.bak
@@ -1155,7 +1155,7 @@ parameters
     <message>
         <location filename="../systemsettingform.cpp" line="170"/>
         <source>total:	%1G</source>
-        <translation>总量:\t%1G</translation>
+        <translation>总量：%1G</translation>
     </message>
     <message>
         <location filename="../systemsettingform.cpp" line="174"/>
@@ -1165,7 +1165,7 @@ parameters
     <message>
         <location filename="../systemsettingform.cpp" line="183"/>
         <source>used:	%1G</source>
-        <translation>剩余:\t%1G</translation>
+        <translation>剩余：%1G</translation>
     </message>
     <message>
         <location filename="../systemsettingform.cpp" line="187"/>