fix: doc for completion-messages (#2820)

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

@@ -41,13 +41,12 @@ import { Row, Col, Properties, Property, Heading, SubProperty } from '../md.tsx'
     ### Request Body
 
     <Properties>
-      <Property name='query' type='string' key='query'>
-        用户输入/提问内容。
-      </Property>
       <Property name='inputs' type='object' key='inputs'>
         (选填)允许传入 App 定义的各变量值。
   inputs 参数包含了多组键值对（Key/Value pairs），每组的键对应一个特定变量，每组的值则是该变量的具体值。
   文本生成型应用要求至少传入一组键值对。
+      - `query` (string) 必填
+        用户输入的文本内容。
       </Property>
       <Property name='response_mode' type='string' key='response_mode'>
         - `streaming` 流式模式（推荐）。基于 SSE（**[Server-Sent Events](https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events)**）实现类似打字机输出方式的流式返回。
@@ -140,18 +139,21 @@ import { Row, Col, Properties, Property, Heading, SubProperty } from '../md.tsx'
   </Col>
   <Col sticky>
 
-    <CodeGroup title="Request" tag="POST" label="/completion-messages" targetCode={`curl -X POST '${props.appDetail.api_base_url}/completion-messages' \\\n--header 'Authorization: Bearer {api_key}' \\\n--header 'Content-Type: application/json' \\\n--data-raw '{\n    "inputs": ${JSON.stringify(props.inputs)},\n    "response_mode": "streaming",\n    "user": "abc-123"\n}'\n`}>
+    <CodeGroup title="Request" tag="POST" label="/completion-messages" targetCode={`curl -X POST '${props.appDetail.api_base_url}/completion-messages' \\\n--header 'Authorization: Bearer {api_key}' \\\n--header 'Content-Type: application/json' \\\n--data-raw '{\n    "inputs": {"query": "Hello, world!"},\n    "response_mode": "streaming"\n    "user": "abc-123"\n}'\n`}>
 
     ```bash {{ title: 'cURL' }}
     curl -X POST '${props.appDetail.api_base_url}/completion-messages' \
     --header 'Authorization: Bearer {api_key}' \
     --header 'Content-Type: application/json' \
     --data-raw '{
-        "inputs": {},
+        "inputs": {
+          "query": "Hello, world!"
+        },
         "response_mode": "streaming",
         "user": "abc-123"
     }'
     ```
+    ```
 
     </CodeGroup>
     ### blocking