Update 20240823_01.md

Author: digoal

202408/20240823_01.md

@@ -131,6 +131,12 @@ One common issue in the retrieval process is the "lost in the middle" problem wh
 
 On occasion, we might also want to provide weights to our retrieve documents. For example, a time-weighted approach would help us retrieve the most recent document.  
 
+第12步可以关注一下paradedb的理念, 结合全文检索+语义搜索的混合检索技术.    
+- https://www.paradedb.com/blog/elasticsearch_vs_postgres
+- https://github.com/paradedb/paradedb/tree/dev/pg_search
+- https://docs.paradedb.com/api-reference/full-text/filtering
+- https://docs.paradedb.com/welcome/quickstart
+   
 13、合并问题和参考信息.   
 ```
 prompt = f"""