diff --git a/work/tbx/time_line.md b/work/tbx/time_line.md
index 0f52dcc..a82bc51 100644
--- a/work/tbx/time_line.md
+++ b/work/tbx/time_line.md
@@ -5,7 +5,6 @@ Creating a timeline using Mermaid in Markdown is a great way to visually represe
 To create a timeline in Mermaid, you can use the `gantt` chart. Here are the basic components and options:
 
 1. **Basic Structure**:
-   ```markdown
    ```mermaid
    gantt
        title Your Project Timeline
@@ -17,7 +16,6 @@ To create a timeline in Mermaid, you can use the `gantt` chart. Here are the bas
        Task 3          :2024-08-01  , 12d
        Task 4          :2024-08-15  , 18d
    ```
-   ```
 
 2. **Components**:
    - `title`: Sets the title of your Gantt chart.
@@ -32,7 +30,6 @@ To create a timeline in Mermaid, you can use the `gantt` chart. Here are the bas
 
 Here's a detailed example to illustrate how to create a project timeline:
 
-```markdown
 ```mermaid
 gantt
     title Project Timeline Example
@@ -54,13 +51,14 @@ gantt
     UAT                  :a7, after a6, 7d
     Final Deployment     :a8, after a7, 2d
 ```
-```
+
 
 ### Options and Customization
 
 - **axisFormat**: Changes the format of the dates displayed on the axis. For example, `%m-%d` shows month-day format.
 - **excludes**: Specifies days to exclude from the timeline, like `weekends`.
 - **taskColor**: You can specify custom colors for tasks. Example syntax:
+  
   ```mermaid
   gantt
       title Customized Timeline
@@ -74,7 +72,7 @@ gantt
 
 To embed the timeline in Markdown, use triple backticks followed by `mermaid`, then add your Gantt chart syntax, and close with triple backticks. Here's an example:
 
-```markdown
+
 # Project Timeline
 
 Below is the project timeline for our upcoming tasks:
@@ -92,7 +90,6 @@ gantt
     Task 3                :2024-07-15, 7d
     Task 4                :after a3, 3d
 ```
-```
 
 This will render the Gantt chart when viewed in a Markdown renderer that supports Mermaid diagrams, such as GitHub or VSCode with the appropriate extensions.