diff --git a/backend/internal/router/app/info.go b/backend/internal/router/app/info.go
index 43ad309..bf6839b 100644
--- a/backend/internal/router/app/info.go
+++ b/backend/internal/router/app/info.go
@@ -103,16 +103,11 @@ func handleAppCheckUpdate(c *gin.Context) {
 		downloadURL := latestVersion.FilePath
 		downloadSize := latestVersion.FileSize
 		downloadHash := latestVersion.FileHash
-		if latestVersion.FullPackagePath != "" {
-			downloadURL = latestVersion.FullPackagePath
-			downloadSize = latestVersion.FullPackageSize
-			downloadHash = latestVersion.FullPackageHash
-		}
 		if latestVersion.CustomDownloadURL != "" {
 			downloadURL = latestVersion.CustomDownloadURL
 		}
 
-		response.Success(c, gin.H{
+		result := gin.H{
 			"has_update":      true,
 			"latest_version":  latestVersion.Version,
 			"download_url":    downloadURL,
@@ -124,7 +119,16 @@ func handleAppCheckUpdate(c *gin.Context) {
 			"update_type":     latestVersion.UpdateType,
 			"update_method":   latestVersion.UpdateMethod,
 			"changelog":       latestVersion.Changelog,
-		})
+		}
+
+		// 如果有完整包，添加完整包信息
+		if latestVersion.FullPackagePath != "" {
+			result["full_package_url"] = latestVersion.FullPackagePath
+			result["full_package_size"] = latestVersion.FullPackageSize
+			result["full_package_hash"] = latestVersion.FullPackageHash
+		}
+
+		response.Success(c, result)
 		return
 	}