Update coqui tts install method due to transformers version

docs/user-guide/backend/tts.md

@@ -78,13 +78,16 @@ python
 
 
 ## Coqui-TTS（本地部署）
+:::warning 重要提示
+- MeloTTS 与 Coqui-TTS 存在依赖冲突，请勿同时安装
+:::
 
 Coqui-TTS 是一个开源语音合成工具包，支持多种模型和语言。推理速度取决于所选模型的大小和复杂度。
 
 ### 安装步骤
 ```sh
 # 安装 Coqui-TTS 及其语言支持
-uv pip install "coqui-tts[languages]"
+uv add transformers "coqui-tts[languages]"
 ```
 
 ### 模型配置

i18n/en/docusaurus-plugin-content-docs/current/user-guide/backend/tts.md

@@ -39,7 +39,7 @@ This package will use the default TTS engine on your system:
 ## MeloTTS (Local Deployment)
 :::warning Important Note
 - It is strongly recommended to use MeloTTS through sherpa-onnx, rather than installing the more complex official version
-- MeloTTS has dependency conflicts with Coqui-TTS, please do not install them simultaneously
+- MeloTTS has dependency conflicts with Coqui-TTS. Please do not install them simultaneously
 - The official version of MeloTTS may encounter mps-related errors on macOS (solutions are welcome)
 :::
 
@@ -75,13 +75,16 @@ python
 - If encountering `mecab-python` related issues, try using this [branch](https://github.com/polm/MeloTTS) (Note: As of 2024/7/16, it has not been merged into the main branch)
 
 ## Coqui-TTS (Local Deployment)
+:::warning Important Note
+- Coqui-TTS has dependency conflicts with MeloTTS. Please do not install them simultaneously
+:::
 
 Coqui-TTS is an open-source speech synthesis toolkit that supports multiple models and languages. The inference speed depends on the size and complexity of the chosen model.
 
 ### Installation Steps
 ```sh
 # Install Coqui-TTS and its language support
-uv pip install "coqui-tts[languages]"
+uv add transformers "coqui-tts[languages]"
 ```
 
 ### Model Configuration