update rgas obtain methon 3

docs/website/pages/blog/grow-bitcoin-main.en-US.mdx

@@ -60,7 +60,9 @@ Invite other users to obtain `Rgas` invitation benefits. For details, please ref
 ![](/blog/grow-bitcoin/invitation.png)
 
 - You can click `Copy Invite Link` to directly send the invitation link to your friend and ask him to bind the X account. While he gets `RGas`, you will also get `RGas` share of the income.
-- You can also click the `Invite With Twitter` button to send your invitation post to X. As long as other users bind X through the link in your post, you can also get `RGas` share revenue.
+  - Your friend will get `1 ~ 3` RGas based on the balance of BTC in the wallet. The more BTC means you will have a greater chance of getting `3` RGas.
+  - And you will receive `5` RGas and a lottery ticket, which can be viewed by clicking the `Lottery Tickets` button.
+- You can also click the `Invite With Twitter` button to send your invitation post to X. As long as other users bind X through the link in your post, you can also get `RGas` share revenue (same as above).
 
 ## Interaction
 

docs/website/pages/blog/grow-bitcoin-main.zh-CN.mdx

@@ -60,7 +60,9 @@ Rooch 在 Portal 中提供了主网 RGas 水龙头，每个新的 Bitcoin 地址
 ![](/blog/grow-bitcoin/invitation.png)
 
 - 你可以点击 `Copy Invite Link` 直接发送邀请链接给你的朋友，让他绑定 X 账户，他获得 `RGas` 的同时，你也将获得 `RGas` 分成收益。
-- 也可以点击 `Invite With Twitter` 按钮，将你的邀请帖子发送到 X 上，只要其他用户通过你的帖子中的链接来绑定 X，你也可以获得 `RGas` 分成收益。
+  - 你朋友将根据钱包中的 BTC 的余额，获取 `1 ~ 3` RGas，BTC 越多意味着你将有更大的可能获得 `3` RGas。
+  - 而你将获得 `5` RGas 和一张抽奖券，奖券可以点击 `Lottery Tickets` 按钮查看。
+- 也可以点击 `Invite With Twitter` 按钮，将你的邀请帖子发送到 X 上，只要其他用户通过你的帖子中的链接来绑定 X，你也可以获得 `RGas` 分成收益（同上）。
 
 ## 交互