telegram使用的便携版或系统重装之后，在浏览器中点击相关的链接无法唤起TG应用。使用下面的注册表导入即可恢复

注意需要将注册表中的路径修改为实际的路径

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\tdesktop.tg]

[HKEY_CLASSES_ROOT\tdesktop.tg\DefaultIcon]
@="\"D:\\soft\\Telegram Desktop\\Telegram.exe,1\""

[HKEY_CLASSES_ROOT\tdesktop.tg\shell]

[HKEY_CLASSES_ROOT\tdesktop.tg\shell\open]

[HKEY_CLASSES_ROOT\tdesktop.tg\shell\open\command]
@="\"D:\\soft\\Telegram Desktop\\Telegram.exe\" -workdir \"D:/soft/Telegram Desktop/\" -- \"%1\""

[HKEY_CURRENT_USER\SOFTWARE\Classes\tdesktop.tg]

[HKEY_CURRENT_USER\SOFTWARE\Classes\tdesktop.tg\DefaultIcon]
@="\"D:\\soft\\Telegram Desktop\\Telegram.exe,1\""

[HKEY_CURRENT_USER\SOFTWARE\Classes\tdesktop.tg\shell]

[HKEY_CURRENT_USER\SOFTWARE\Classes\tdesktop.tg\shell\open]

[HKEY_CURRENT_USER\SOFTWARE\Classes\tdesktop.tg\shell\open\command]
@="\"D:\\soft\\Telegram Desktop\\Telegram.exe\" -workdir \"D:/soft/Telegram Desktop/\" -- \"%1\""

[HKEY_CLASSES_ROOT\tg]
"URL Protocol"=""
@="URL:Telegram Link"

[HKEY_CLASSES_ROOT\tg\DefaultIcon]
@="\"D:\\soft\\Telegram Desktop\\Telegram.exe,1\""

[HKEY_CLASSES_ROOT\tg\shell]

[HKEY_CLASSES_ROOT\tg\shell\open]

[HKEY_CLASSES_ROOT\tg\shell\open\command]
@="\"D:\\soft\\Telegram Desktop\\Telegram.exe\" -workdir \"D:/soft/Telegram Desktop/\" -- \"%1\""

[HKEY_CURRENT_USER\SOFTWARE\Classes\tg]
"URL Protocol"=""
@="URL:Telegram Link"

[HKEY_CURRENT_USER\SOFTWARE\Classes\tg\DefaultIcon]
@="\"D:\\soft\\Telegram Desktop\\Telegram.exe,1\""

[HKEY_CURRENT_USER\SOFTWARE\Classes\tg\shell]

[HKEY_CURRENT_USER\SOFTWARE\Classes\tg\shell\open]

[HKEY_CURRENT_USER\SOFTWARE\Classes\tg\shell\open\command]
@="\"D:\\soft\\Telegram Desktop\\Telegram.exe\" -workdir \"D:/soft/Telegram Desktop/\" -- \"%1\""

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"telegram"="D:\\soft\\Telegram Desktop\\Telegram.exe -autostart"