Fix image rendering bug

app.py

@@ -295,9 +295,12 @@ def process_file(
             )
             markdown_content_list.append(markdown_content)
 
-        concatenated_markdown_content = concatenate_markdown_pages(
-            [res["markdown"] for res in layout_results]
-        )
+        markdown_list = []
+        for res, cont in zip(layout_results, markdown_content_list):
+            markdown = res["markdown"].copy()
+            markdown["text"] = cont
+            markdown_list.append(markdown)
+        concatenated_markdown_content = concatenate_markdown_pages(markdown_list)
 
         return {
             "original_file": file_path,