fix: change langenius text to dify (#498)

web/app/components/develop/template/template.en.mdx

@@ -3,7 +3,7 @@ import { Row, Col, Properties, Property, Heading, SubProperty, Paragraph } from
 
 # Completion App API
 
-For high-quality text generation, such as articles, summaries, and translations, use the completion-messages API with user input. Text generation relies on the model parameters and prompt templates set in LangGenius Prompt Engineering.
+For high-quality text generation, such as articles, summaries, and translations, use the completion-messages API with user input. Text generation relies on the model parameters and prompt templates set in Dify Prompt Engineering.
 
 <Heading
   url='/completion-messages'

web/app/components/develop/template/template.zh.mdx

@@ -3,7 +3,7 @@ import { Row, Col, Properties, Property, Heading, SubProperty } from '../md.tsx'
 
 # 文本生成型应用 API
 
-可用于生成高质量文本的应用，例如生成文章、摘要、翻译等，通过调用 completion-messages 接口，发送用户输入得到生成文本结果。用于生成文本的模型参数和提示词模版取决于开发者在 LangGenius 提示词编排页的设置。
+可用于生成高质量文本的应用，例如生成文章、摘要、翻译等，通过调用 completion-messages 接口，发送用户输入得到生成文本结果。用于生成文本的模型参数和提示词模版取决于开发者在 Dify 提示词编排页的设置。
 
 <Heading
   url='/completion-messages'