diff --git a/README.md b/README.md
index 5f2c838..84d9d46 100644
--- a/README.md
+++ b/README.md
@@ -23,10 +23,11 @@
 
 ### 功能
 
-* 发送表情、表情链接给bot，bot为您转换为便于保存的gif文件
-* 转发gif图给bot，bot会以文件形式发送回给你以便保存。
-* 下载单个表情
-* 下载整个表情包
+* 发送表情、表情链接给bot，bot为您转换为便于保存的gif文件.
+* 支持将Telegram官方出品的表情(tgs)格式转换为gif.
+* 转发gif图给bot，bot会以文件形式发送回给你以便保存.
+* 下载单个表情.
+* 下载整个表情包.
 
 ![cover](docs/demo.gif)
 
@@ -34,6 +35,7 @@
 
 - Redis
 - ffmpeg
+- [lottie2gif](https://github.com/rroy233/lottie2gif) (可选)
 
 ### 使用方法
 
@@ -113,7 +115,16 @@ redis:
 
 下载对应平台的[ffmpeg](https://ffmpeg.org/)的可执行文件，命名格式为`ffmpeg-{GOOS}-{GOARCH}`，复制到`./ffmpeg`文件夹。
 
-#### 运行程序
+#### lottie2gif集成
+
+若需要支持tgs格式表情转换，需要为StickerDownloader集成[lottie2gif](https://github.com/rroy233/lottie2gif).
+
+并更改配置文件：
+
+```yaml
+  support_tgs_file: true
+```
+
 #### 后台运行脚本
 
 ```shell
diff --git a/README_en.md b/README_en.md
index 849e4fb..6153862 100644
--- a/README_en.md
+++ b/README_en.md
@@ -24,6 +24,7 @@
 ### Feature
 
 * Send stickers or sticker links to the bot, and it will convert them into easily savable GIF files for you.
+* Supports the conversion of Telegram's official stickers (tgs) to GIFs.
 * Forward GIFs to the bot, and it will send them back to you in file form for easy saving.
 * Download single sticker.
 * Download whole sticker set.
@@ -34,6 +35,7 @@
 
 - Redis
 - ffmpeg
+- [lottie2gif](https://github.com/rroy233/lottie2gif) (Optional)
 
 ### Usage
 
@@ -112,6 +114,14 @@ If ffmpeg is already installed, you can skip this step.
 
 Download ffmpeg from [official website](https://ffmpeg.org/),  rename it to `ffmpeg-{GOOS}-{GOARCH}`, and put it into `./ffmpeg` folder.
 
+#### Integrate lottie2gif
+
+If you wish to enable the conversion of TGS format stickers, you will need to integrate [lottie2gif](https://github.com/rroy233/lottie2gif) into the StickerDownloader and make the following changes to the configuration file:
+
+```yaml
+  support_tgs_file: true
+```
+
 #### Launch Script
 
 ```shell