docs: update imgs

Author: gusye1234

docs/site/images/memobase_dashboard.png renamed to docs/site/images/dify_memobase_dashboard.png

@@ -7,7 +7,7 @@ Leverage the power of long-term memory in your Dify applications by connecting t
 ## Prerequisites
 Please search for memobase in the Dify plugin marketplace, [the plugin](https://github.com/ACAne0320/dify-plugin-memobase) is open-source!
 <Frame caption="Dify Marketplace">
-  <img src="/images/dify_marketplace.png" />
+  <img src="/images/dify_memobase_marketplace.png" />
 </Frame>
 
 Before you can use the plugin, you need access to Memobase Dashboard:
@@ -25,7 +25,7 @@ To integrate Memobase with Dify using the plugin, you'll need to add it as a too
 You can find these details in your Memobase Cloud dashboard.
 
 <Frame caption="Finding API Key and URL in Memobase Dashboard">
-  <img src="/images/memobase_dashboard.png" />
+  <img src="/images/dify_memobase_dashboard.png" />
 </Frame>
 
 
@@ -45,7 +45,7 @@ For detailed instructions on each tool's parameters and capabilities, refer to t
 Here's a conceptual example of how the Memobase plugin can be used in a Dify workflow to implement memory functionality:
 
 <Frame caption="Minimal workflow demonstrating memory retrieval and storage using the Memobase plugin">
-  <img src="/images/dify_workflow.png" />
+  <img src="/images/dify_memobase_workflow.png" />
 </Frame>
 
 By integrating Memobase with Dify, you can build more intelligent, context-aware AI applications that remember and learn from past interactions.