diff --git a/python/llm/portable-zip/README.md b/python/llm/portable-zip/README.md
index a8202f55..182e4766 100644
--- a/python/llm/portable-zip/README.md
+++ b/python/llm/portable-zip/README.md
@@ -6,9 +6,8 @@ This portable zip includes everything you need to run an LLM with BigDL-LLM opti
 
 ### 13B model running on an Intel 11-Gen Core PC (real-time screen capture)
 
-<p align="left">
-            <img src=https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-screen-capture.gif width='80%' />
-
+<p align="center">
+   <a href="https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-screen-capture.gif"><img src="https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-screen-capture.gif" ></a>
 </p>
 
 ### Verified Models
@@ -26,12 +25,18 @@ This portable zip includes everything you need to run an LLM with BigDL-LLM opti
 3. Unzip `bigdl-llm.zip`.
 4. Download the model to your computer. Please ensure there is a file named `config.json` in the model folder, otherwise the script won't work.
 
-   ![](https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-user-guide-step1.png)
+<p align="center">
+   <a href="https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-user-guide-step1.png"><img src="https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-user-guide-step1.png" ></a>
+</p>
 
 5. Go into the unzipped folder and double click `chat.bat`. Input the path of the model (e.g. `path\to\model`, note that there's no slash at the end of the path). Press Enter and wait until model finishes loading. Then enjoy chatting with the model!
 
-   ![](https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-user-guide-step2.png)
+<p align="center">
+   <a href="https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-user-guide-step2.png"><img src="https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-user-guide-step2.png" ></a>
+</p>
 
 6. If you want to stop chatting, just input `stop` and the model will stop running.
 
-   ![](https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-user-guide-step34.png)
+<p align="center">
+   <a href="https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-user-guide-step34.png"><img src="https://llm-assets.readthedocs.io/en/latest/_images/one-click-installer-user-guide-step34.png" ></a>
+</p>
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