Merge pull request #1095 from RickHunterS/Fixed_the_number_of_messages_in_the_exported_page_file

fix(export): 修复导出页文件消息数量始终显示为 0

src/types/electron.d.ts

@@ -711,6 +711,8 @@ export interface ElectronAPI {
         imageMessages: number
         videoMessages: number
         emojiMessages: number
+        /** 文件类消息数量 */
+        fileMessages: number
         transferMessages: number
         redPacketMessages: number
         callMessages: number