update readme and screenshots

Signed-off-by: ryjiang <jiangruiyi@gmail.com>

README.md

@@ -110,13 +110,17 @@ If you prefer to use a desktop application, you can download the [desktop versio
 
 ## More Screenshots
 
-| Data view                                                                         | collection tree                                                                  |
-| --------------------------------------------------------------------------------- | -------------------------------------------------------------------------------- |
-| <img src="./.github/images/data_preview.png" alt="attu" width="800" alt="attu" /> | <img src="./.github/images/collections.png" alt="attu" width="800" alt="attu" /> |
+| create collection                                                                                    | collection tree                                                                              |
+| ---------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------- |
+| <img src="./.github/images/create_collection.png" width="800" alt="attu create collection dialog" /> | <img src="./.github/images/collections.png" alt="attu" width="800" alt="attu collections" /> |
 
-| create collection                                                           | vector search                                                           |
-| --------------------------------------------------------------------------- | ----------------------------------------------------------------------- |
-| <img src="./.github/images/create_collection.png" width="800" alt="attu" /> | <img src="./.github/images/vector_search.png" width="800" alt="attu" /> |
+| collection overview                                                                                      | data view                                                                                   |
+| -------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------- |
+| <img src="./.github/images/collection_overview.png" alt="attu" width="800" alt="attu collection view" /> | <img src="./.github/images/data_preview.png" alt="attu" width="800" alt="attu data view" /> |
+
+| vector search                                                                         | system view                                                                       |
+| ------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------- |
+| <img src="./.github/images/vector_search.png" width="800" alt="attu vector search" /> | <img src="./.github/images/system_view.png" width="800" alt="attu system view" /> |
 
 ## ✨ Contributing Code