diff --git a/config/runtime.exs b/config/runtime.exs
index 7df01d3..352a73e 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -3,3 +3,5 @@ import Config
 config :aier_bot, :telegram_bot_token, System.fetch_env!("TELEGRAM_BOT_TOKEN")
 config :aier_bot, :aier_api_token, System.fetch_env!("AIER_API_TOKEN")
 config :aier_bot, :openai_api_key, System.fetch_env!("OPENAI_API_KEY")
+
+config :ex_gram, token: System.fetch_env!("TELEGRAM_BOT_TOKEN")
diff --git a/lib/aier_bot/bot.ex b/lib/aier_bot/bot.ex
index 8beaa92..d64438b 100644
--- a/lib/aier_bot/bot.ex
+++ b/lib/aier_bot/bot.ex
@@ -34,14 +34,15 @@ defmodule AierBot.Bot do
     end
   end
 
-  def handle({:text, text, _msg}, context) do
+  def handle({:text, text, %{chat: chat}}, context) do
     # TODO: repeat
     # request download API
-    data = CobaltClient.json(text)
+    file_content = CobaltClient.json(text)
 
-    IO.inspect(data)
+    {:ok, message} = ExGram.send_document(chat.id, {:file_content, file_content, "video.mp4"})
+    IO.inspect(message)
 
-    answer(context, "#{data}")
+    answer(context, "done")
     # case AierApi.create_memo(text) do
     #   {:ok, response} -> create_memo_success(response, context)
     #   {:error, error} -> answer(context, "Error: #{inspect(error)}")
diff --git a/lib/aier_bot/cobalt_client.ex b/lib/aier_bot/cobalt_client.ex
index fb0e204..40efe21 100644
--- a/lib/aier_bot/cobalt_client.ex
+++ b/lib/aier_bot/cobalt_client.ex
@@ -19,8 +19,10 @@ defmodule AierBot.CobaltClient do
         #   "url" => "https://video.twimg.com/amplify_video/1814202798097268736/vid/avc1/720x1192/HAD9zyJn1xoP4oRN.mp4?tag=16"
         # }
         %{"url" => url} = response.body
-        FileDownloader.download(url, "video.mp4")
-        url
+        file_content = FileDownloader.download(url, "video.mp4")
+        file_content
+
+      # TODO send photo to telegram
 
       {:error, error} ->
         error
diff --git a/lib/aier_bot/file_downloader.ex b/lib/aier_bot/file_downloader.ex
index 613d511..9f30639 100644
--- a/lib/aier_bot/file_downloader.ex
+++ b/lib/aier_bot/file_downloader.ex
@@ -6,6 +6,7 @@ defmodule AierBot.FileDownloader do
       {:ok, %Tesla.Env{status: 200, body: body}} ->
         File.write("./downloads/#{file_path}", body)
         IO.puts("File downloaded successfully.")
+        body
 
       {:ok, %Tesla.Env{status: status}} ->
         IO.puts("Failed to download file. Status: #{status}")