diff --git a/lib/models/upgrade_info.dart b/lib/models/upgrade_info.dart
index ab56f54..4dc355b 100644
--- a/lib/models/upgrade_info.dart
+++ b/lib/models/upgrade_info.dart
@@ -97,6 +97,11 @@ class UpgradeInfo {
       'appMarkets': appMarkets?.map((e) => e.toJson()).toList(),
     };
   }
+
+  @override
+  String toString() {
+    return 'UpgradeInfo(hasUpdate: $hasUpdate, isForceUpdate: $isForceUpdate, versionBuildNumber: $versionBuildNumber, versionName: $versionName, currentBuildNumber: $currentBuildNumber, currentVersionName: $currentVersionName, updateContent: $downloadUrl, appStoreUrl: $appStoreUrl, apkSize: $apkSize, apkMd5: $apkMd5, appMarkets: $appMarkets)';
+  }
 }
 
 /// 下载进度信息