diff --git a/src/forms/settings/SystemSettingForm.cpp b/src/forms/settings/SystemSettingForm.cpp
index 63ca4d6..0c394e2 100644
--- a/src/forms/settings/SystemSettingForm.cpp
+++ b/src/forms/settings/SystemSettingForm.cpp
@@ -175,7 +175,7 @@ void SystemSettingForm::updateStorageSize()
     {
         //double total_size = AppGlobalValues::StorageSize();
         mUI->batIcon->setMaxValue(mDiskSize);
-        double aValue = (mDiskSize - JsonObject::Instance()->storageAlarmSize().toDouble()) / mDiskSize;
+        double aValue = JsonObject::Instance()->storageAlarmSize().toDouble();/*(mDiskSize - JsonObject::Instance()->storageAlarmSize().toDouble()) / mDiskSize;*/
         mUI->batIcon->setAlarmValue(aValue);
         mUI->lbl_size->setText(tr("total:\t%1G").arg(mDiskSize));
     }