diff --git a/miku/plugins/expand.lua b/miku/plugins/expand.lua
index da711ef..c928d6b 100644
--- a/miku/plugins/expand.lua
+++ b/miku/plugins/expand.lua
@@ -2,7 +2,8 @@ local expand = {}
 
 function expand:init(config)
   expand.triggers = {
-    '^/[Ee][Xx][Pp][Aa][Nn][Dd] (https?://[%w-_%.%?%.:/%+=&]+)$'
+    '^/[Ee][Xx][Pp][Aa][Nn][Dd] (https?://[%w-_%.%?%.:/%+=&]+)$',
+	'(https?://t.co/.*)'
   }
   expand.inline_triggers = {
     '^ex (https?://[%w-_%.%?%.:/%+=&]+)$'
diff --git a/miku/plugins/webshot.lua b/miku/plugins/webshot.lua
index 7d8b7db..11e914f 100644
--- a/miku/plugins/webshot.lua
+++ b/miku/plugins/webshot.lua
@@ -61,7 +61,7 @@ function webshot:action(msg, config, matches)
    local find = webshot:get_webshot_url(webshot_url, size)
    if find then
       local imgurl = base .. find
-	  local file = download_to_file(imgurl)
+	  local file = download_to_file(imgurl, 'webshot.png')
 	  if size == "F" then
 	    utilities.send_document(msg.chat.id, file, nil, msg.message_id)
 		return