diff --git a/src/appmanagermodel.cpp b/src/appmanagermodel.cpp
index 37cb576be039bdaf8e02daf12a861164289b6a30..0389854de1359e59bd44a0ffe9fe5c7c0db08cf5 100644
--- a/src/appmanagermodel.cpp
+++ b/src/appmanagermodel.cpp
@@ -41,18 +41,18 @@ QList<AM::AppInfo> AppManagerModel::getAppInfosList()
 
 QString AppManagerModel::formatePkgInfo(const PkgInfo &info)
 {
-    QString text = QString("应用名：%1\n包名：%2\n安装后占用：%3KB\n更新时间：%4\n维护者：%5\n"
-                           "架构：%6\n版本：%7\n下载地址：%8\n安装包大小：%9B\n主页：%10\n"
+    QString text = QString("应用名：%1\n包名：%2\n安装后占用：%3\n更新时间：%4\n维护者：%5\n"
+                           "架构：%6\n版本：%7\n下载地址：%8\n安装包大小：%9\n主页：%10\n"
                            "桌面文件：%11\n执行命令：%12\n执行路径：%13\n依赖：%14\n描述：%15\n\n")
                        .arg("")
                        .arg(info.pkgName)
-                       .arg(info.installedSize)
+                       .arg(info.installedSize ? formatBytes(info.installedSize * 1024, 2) : "0 B")
                        .arg(info.updatedTime)
                        .arg(info.maintainer)
                        .arg(info.arch)
                        .arg(info.version)
                        .arg(info.downloadUrl)
-                       .arg(info.pkgSize)
+                       .arg(info.pkgSize ? formatBytes(info.pkgSize, 1) : "0 B")
                        .arg(info.homepage)
                        .arg("")
                        .arg("")
diff --git a/src/appmanagerwidget.cpp b/src/appmanagerwidget.cpp
index ab8bbb3bcf1b25032760f37a1943fcd6eb5ebc0e..90006c1b863bb372034d13c1ff715a12255cb772 100644
--- a/src/appmanagerwidget.cpp
+++ b/src/appmanagerwidget.cpp
@@ -754,18 +754,18 @@ QString AppManagerWidget::formateAppInfo(const AppInfo &info)
     text += "本地安装信息\n"
             "-----------------------------\n";
     if (info.isInstalled) {
-        text += QString("应用名：%1\n包名：%2\n安装后占用：%3KB\n更新时间：%4\n维护者：%5\n"
-                        "架构：%6\n版本：%7\n下载地址：%8\n安装包大小：%9B\n主页：%10\n"
+        text += QString("应用名：%1\n包名：%2\n安装后占用：%3\n更新时间：%4\n维护者：%5\n"
+                        "架构：%6\n版本：%7\n下载地址：%8\n安装包大小：%9\n主页：%10\n"
                         "桌面文件：%11\n执行命令：%12\n执行路径：%13\n依赖：%14\n描述：%15\n\n")
                     .arg(info.desktopInfo.appName)
                     .arg(info.installedPkgInfo.pkgName)
-                    .arg(info.installedPkgInfo.installedSize)
+                    .arg(info.installedPkgInfo.installedSize ? formatBytes(info.installedPkgInfo.installedSize * 1024, 2) : "0 B")
                     .arg(info.installedPkgInfo.updatedTime)
                     .arg(info.installedPkgInfo.maintainer)
                     .arg(info.installedPkgInfo.arch)
                     .arg(info.installedPkgInfo.version)
                     .arg(info.installedPkgInfo.downloadUrl)
-                    .arg(info.installedPkgInfo.pkgSize)
+                    .arg(info.installedPkgInfo.pkgSize ? formatBytes(info.installedPkgInfo.pkgSize, 1) : "0 B")
                     .arg(info.installedPkgInfo.homepage)
                     .arg(info.desktopInfo.desktopPath)
                     .arg(info.desktopInfo.exec)
diff --git a/src/common/appmanagercommon.cpp b/src/common/appmanagercommon.cpp
index 01cca1f0760d6dfb6acefe255058f1ea9311c61c..9175bca1fdbf1360284088698e407d5e02a04367 100644
--- a/src/common/appmanagercommon.cpp
+++ b/src/common/appmanagercommon.cpp
@@ -51,3 +51,22 @@ void AM::popupNormalSysNotify(const QString &summary, const QString &body)
     QProcess proc;
     proc.startDetached("notify-send", {"-a", "com.github.ccc-app-manager", summary, body});
 }
+
+// 格式化容量
+QString AM::formatBytes(qint64 input, int prec)
+{
+    QString flowValueStr;
+    if (KB_COUNT > input) {
+        flowValueStr = QString::number(input / 1, 'd', prec) + " B";
+    } else if (MB_COUNT > input) {
+        flowValueStr = QString::number(input / KB_COUNT + double(input % KB_COUNT) / KB_COUNT, 'd', prec) + " KB";
+    } else if (GB_COUNT > input) {
+        flowValueStr = QString::number(input / MB_COUNT + double(input % MB_COUNT) / MB_COUNT, 'd', prec) + " MB";
+    } else if (TB_COUNT > input) {
+        flowValueStr = QString::number(input / GB_COUNT + double(input % GB_COUNT) / GB_COUNT, 'd', prec) + " GB";
+    } else {
+        // 大于TB单位
+        flowValueStr = QString::number(input / TB_COUNT + double(input % TB_COUNT) / TB_COUNT, 'd', prec) + " TB";
+    }
+    return flowValueStr;
+}
diff --git a/src/common/appmanagercommon.h b/src/common/appmanagercommon.h
index c0dabc623f13073925a36bbbb634c678d287826e..fa4086e95376519ed57a688243c906ef8432ceec 100644
--- a/src/common/appmanagercommon.h
+++ b/src/common/appmanagercommon.h
@@ -10,6 +10,12 @@
 // 列表数据角色定义
 #define AM_LIST_VIEW_ITEM_DATA_ROLE_PKG_NAME Dtk::ItemDataRole::UserRole + 1
 
+// 文件大小单位，以b为基本单位
+#define KB_COUNT (1 << 10)
+#define MB_COUNT (1 << 20)
+#define GB_COUNT (1 << 30)
+#define TB_COUNT (long(1) << 40)
+
 namespace AM {
 // 运行状态
 enum RunningStatus {
@@ -88,4 +94,6 @@ bool isChineseChar(const QChar &character);
 PinyinInfo getPinYinInfoFromStr(const QString &words);
 
 void popupNormalSysNotify(const QString &summary, const QString &body);
+// 格式化容量
+QString formatBytes(qint64 input, int prec);
 } // namespace AM