Update app.py

app.py

@@ -88,8 +88,8 @@ class RAGQuestionAnswering:
             st.stop()
 
         # MongoDB configuration.
-        self.DB_NAME = "txts"
-        self.COLLECTION_NAME = "txts_collection"
+        self.DB_NAME = "files"
+        self.COLLECTION_NAME = "files_collection"
         self.VECTOR_SEARCH_INDEX = "vector_index"
 
     def setup_mongodb(self) -> None:
@@ -376,7 +376,7 @@ def setup_streamlit_ui() -> None:
     # Display logo.
     left_co, cent_co, last_co = st.columns(3)
     with cent_co:
-        st.image("./static/images/ctp.png")
+        st.image("./static/images/poster.jpg")
 
 
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