fix: correct code langs (#708)

en/develop-plugin/dev-guides-and-walkthroughs/trigger-plugin.mdx

@@ -83,7 +83,7 @@ To implement subscription creation via manual URL pasting, you need to modify tw
     <Tab title="github.yaml">
         Since GitHub webhooks use an encryption mechanism, a secret key is required to decrypt and validate incoming requests. Therefore, you need to declare `webhook_secret` in `github.yaml`.
 
-        ```YAML
+        ```yaml
         subscription_schema:
         - name: "webhook_secret"
           type: "secret-input"
@@ -112,7 +112,7 @@ To implement subscription creation via manual URL pasting, you need to modify tw
             For the complete code sample, see [Dify's GitHub trigger plugin](https://github.com/langgenius/dify-plugin-sdks/tree/feat/trigger/python/examples/github_trigger).
         </Tip>
 
-        ```Python
+        ```python
         class GithubTrigger(Trigger):
             """Handle GitHub webhook event dispatch."""
 
@@ -141,7 +141,7 @@ Taking the Issue event as an example, you can define the event and its implement
 
 <Tabs>
     <Tab title="issues.yaml">
-        ```YAML
+        ```yaml
         identity:
           name: issues
           author: langgenius
@@ -167,7 +167,7 @@ Taking the Issue event as an example, you can define the event and its implement
         ```
     </Tab>
     <Tab title="issues.py">
-        ```Python
+        ```python
         from collections.abc import Mapping
         from typing import Any
 
@@ -205,7 +205,7 @@ To filter out certain events—for example, to focus only on Issue events with a
 
 <Tabs>
     <Tab title="issues.yaml">
-        ```YAML
+        ```yaml
         parameters:
         - name: added_label
           label:
@@ -221,7 +221,7 @@ To filter out certain events—for example, to focus only on Issue events with a
         ```
     </Tab>
     <Tab title="issues.py">
-        ```Python
+        ```python
         def _check_added_label(self, payload: Mapping[str, Any], added_label_param: str | None) -> None:
             """Check if the added label matches the allowed labels"""
             if not added_label_param:
@@ -256,7 +256,7 @@ To enable automatic subscription creation via OAuth or API key, you need to modi
     <Tab title="github.yaml">
         In `github.yaml`, add the following fields.
 
-        ```YAML
+        ```yaml
         subscription_constructor:
           parameters:
           - name: "repository"
@@ -307,7 +307,7 @@ To enable automatic subscription creation via OAuth or API key, you need to modi
     <Tab title="github.py">
          In `github.py`, create a `Constructor` class to implement the automatic subscription logic.
 
-        ```Python
+        ```python
         class GithubSubscriptionConstructor(TriggerSubscriptionConstructor):
             """Manage GitHub trigger subscriptions."""
             def _validate_api_key(self, credentials: Mapping[str, Any]) -> None:
@@ -394,7 +394,7 @@ The interface definitions and implementation methods of core classes in trigger
 
 ### Trigger
 
-```Python
+```python
 class Trigger(ABC):
     @abstractmethod
     def _dispatch_event(self, subscription: Subscription, request: Request) -> EventDispatch:
@@ -431,7 +431,7 @@ class Trigger(ABC):
 
 ### TriggerSubscriptionConstructor
 
-```Python
+```python
 class TriggerSubscriptionConstructor(ABC, OAuthProviderProtocol):
     # OPTIONAL
     def _validate_api_key(self, credentials: Mapping[str, Any]) -> None:
@@ -594,7 +594,7 @@ class TriggerSubscriptionConstructor(ABC, OAuthProviderProtocol):
 
 ### Event
 
-```Python
+```python
 class Event(ABC):
     @abstractmethod
     def _on_event(self, request: Request, parameters: Mapping[str, Any], payload: Mapping[str, Any]) -> Variables:

en/self-host/advanced-deployments/local-source-code.mdx

@@ -20,7 +20,7 @@ title: Local Source Code Start
 
 ### Clone Dify Repository
 Run the git command to clone the [Dify repository](https://github.com/langgenius/dify).
-```Bash
+```bash
 git clone https://github.com/langgenius/dify.git
 ```
 
@@ -28,7 +28,7 @@ git clone https://github.com/langgenius/dify.git
 
 A series of middlewares for storage (e.g. PostgreSQL / Redis / Weaviate (if not locally available)) and extended  capabilities (e.g. Dify's [sandbox](https://github.com/langgenius/dify-sandbox) and [plugin-daemon](https://github.com/langgenius/dify-plugin-daemon) services) are required by Dify backend services. Start the middlewares with Docker Compose by running these commands:
 
-```Bash
+```bash
 cd docker
 
 cp middleware.env.example middleware.env

en/self-host/advanced-deployments/start-the-frontend-docker-container.mdx

@@ -6,7 +6,7 @@ When developing the backend separately, you may only need to start the backend s
 
 #### Pull the Docker image for the frontend service from DockerHub:
 
-```Bash
+```bash
 docker run -it -p 3000:3000 -e CONSOLE_URL=http://127.0.0.1:5001 -e APP_URL=http://127.0.0.1:5001 langgenius/dify-web:latest
 ```
 

en/use-dify/nodes/iteration.mdx

@@ -131,7 +131,7 @@ Iteration nodes output arrays that often need conversion for final use:
   </Tab>
   
   <Tab title="Using Template Node">
-    ```jinja2
+    ```jinja
     {{ articleSections | join("\n") }}
     ```
     

en/use-dify/nodes/llm.mdx

@@ -112,7 +112,7 @@ The default variable selector for vision is `userinput.files` which automaticall
 
 LLM prompts support Jinja2 templating for advanced variable handling. When you use Jinja2 mode (`edition_type: "jinja2"`), you can:
 
-```jinja2
+```jinja
 {% for item in search_results %}
 {{ loop.index }}. {{ item.title }}: {{ item.content }}
 {% endfor %}

en/use-dify/nodes/template.mdx

@@ -18,7 +18,7 @@ Template nodes use Jinja2 templating syntax to create dynamic content that adapt
 
 Reference workflow variables using double curly braces: `{{ variable_name }}`. You can access nested object properties and array elements using dot notation and bracket syntax.
 
-```jinja2
+```jinja
 {{ user.name }}
 {{ items[0].title }}
 {{ data.metrics.score }}
@@ -28,7 +28,7 @@ Reference workflow variables using double curly braces: `{{ variable_name }}`. Y
 
 Show different content based on data values using if-else statements:
 
-```jinja2
+```jinja
 {% if user.subscription == 'premium' %}
 Welcome back, Premium Member! You have access to all features.
 {% else %}
@@ -40,7 +40,7 @@ Consider upgrading to Premium for additional capabilities.
 
 Process arrays and objects with for loops to generate repetitive content:
 
-```jinja2
+```jinja
 {% for item in search_results %}
 ### Result {{ loop.index }}
 **Score**: {{ item.score | round(2) }}
@@ -59,7 +59,7 @@ Process arrays and objects with for loops to generate repetitive content:
 
 Jinja2 filters transform data during template rendering:
 
-```jinja2
+```jinja
 {{ name | upper }}
 {{ price | round(2) }}
 {{ content | replace('\n', '<br>') }}
@@ -71,7 +71,7 @@ Jinja2 filters transform data during template rendering:
 
 Handle missing or invalid data gracefully using default values and conditional checks:
 
-```jinja2
+```jinja
 {{ user.email | default('No email provided') }}
 {{ metrics.accuracy | round(2) if metrics.accuracy else 'Not calculated' }}
 ```

en/use-dify/nodes/trigger/webhook-trigger.mdx

@@ -120,7 +120,7 @@ Alternatively, you can send a test request to the webhook trigger and check the
 
         - Example: From the following request body, you can extract the `customerName` (`Alex`), the list of items, or the `isPriority` status (`true`).
 
-        ```JSON
+        ```json
         "customerName": "Alex",
         "items": 
         [

en/use-dify/workspace/api-extension/api-extension.mdx

@@ -230,7 +230,7 @@ Since the Dify cloud version cannot access internal network API services, you ca
     ![Download](https://assets-docs.dify.ai/dify-enterprise-mintlify/zh_CN/guides/extension/api-based-extension/c44d6cc5425508daac8d31bc4af113df.png)
 
 2. After downloading, go to the download directory, extract the archive according to the instructions below, and execute the initialization script in the instructions.
-    ```Shell
+    ```shell
     unzip /path/to/ngrok.zip
     ./ngrok config add-authtoken your-token
     ```
@@ -240,7 +240,7 @@ Since the Dify cloud version cannot access internal network API services, you ca
 
     And run the following command to start:
 
-        ```Shell
+        ```shell
         ./ngrok http port-number
         ```