diff --git a/backend/internal/router/app/info.go b/backend/internal/router/app/info.go
index 1002f17..647596a 100644
--- a/backend/internal/router/app/info.go
+++ b/backend/internal/router/app/info.go
@@ -99,21 +99,15 @@ func handleAppCheckUpdate(c *gin.Context) {
 	if clientVersion == "" {
 		latestVersion := &allVersions[0]
 
-		// 构建文件列表
-		files := make([]map[string]interface{}, len(latestVersion.Files))
-		for i, f := range latestVersion.Files {
-			files[i] = map[string]interface{}{
-				"file_path":   f.FilePath,
-				"file_name":   f.FileName,
-				"file_size":   f.FileSize,
-				"file_hash":   f.FileHash,
-				"file_type":   f.FileType,
-				"is_required": f.IsRequired,
-			}
-		}
-
 		// 确定下载地址：优先使用自定义地址
 		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
 		}
@@ -122,15 +116,14 @@ func handleAppCheckUpdate(c *gin.Context) {
 			"has_update":      true,
 			"latest_version":  latestVersion.Version,
 			"download_url":    downloadURL,
-			"file_size":       latestVersion.FileSize,
-			"file_hash":       latestVersion.FileHash,
+			"file_size":       downloadSize,
+			"file_hash":       downloadHash,
 			"entry_file":      latestVersion.EntryFile,
 			"update_notes":    latestVersion.Description,
 			"update_strategy": latestVersion.UpdateStrategy,
 			"update_type":     latestVersion.UpdateType,
 			"update_method":   latestVersion.UpdateMethod,
 			"changelog":       latestVersion.Changelog,
-			"files":           files,
 		})
 		return
 	}
@@ -203,19 +196,6 @@ func handleAppCheckUpdate(c *gin.Context) {
 		}
 	}
 
-	// 构建文件列表
-	files := make([]map[string]interface{}, len(latestVersion.Files))
-	for i, f := range latestVersion.Files {
-		files[i] = map[string]interface{}{
-			"file_path":   f.FilePath,
-			"file_name":   f.FileName,
-			"file_size":   f.FileSize,
-			"file_hash":   f.FileHash,
-			"file_type":   f.FileType,
-			"is_required": f.IsRequired,
-		}
-	}
-
 	// 确定下载地址
 	var downloadURL string
 	var downloadSize int64
@@ -285,7 +265,6 @@ func handleAppCheckUpdate(c *gin.Context) {
 		"update_type":     latestVersion.UpdateType,
 		"update_method":   latestVersion.UpdateMethod,
 		"changelog":       latestVersion.Changelog,
-		"files":           files,
 	}
 
 	// 如果是补丁更新，添加补丁信息