Update docs

Author: WXRIW

src/content/docs/en/lyricify-4/custom-api-client.mdx

@@ -3,7 +3,6 @@ title: Custom Spotify API Client Configuration Tutorial
 ---
 
 import DemoPic05EnUs from './pic/Demo-Pic05_en-US.png';
-import DemoPic06 from './pic/Demo-Pic06.png';
 
 :::caution[Note]
 Custom API Client requires Lyricify 4 v4.3.48 or later.  
@@ -61,7 +60,7 @@ Under Spotify's current rules, one Client can be used by up to five users.
 1. Your friend first creates the Client by following the preparation steps above.
 2. Your friend opens Spotify Developer Dashboard, enters the corresponding Client, and opens the `User Management` page.
 3. Your friend fills in your Spotify account information in `Full Name` and `Email`, then clicks `Add user`.
-   <img src={DemoPic06.src} width="720" />
+![](pic/Demo-Pic06.png)
 4. After that, your friend sends you the `Client ID` and `Client Secret`.
 
 ### Actions to be completed by you