Update RAG_Learning_Assistant_with_Streaming.py via admin tool

RAG_Learning_Assistant_with_Streaming.py

@@ -73,7 +73,7 @@ Focus on:
 4. Standards, methods, or procedures
 5. Materials, equipment, or structures
 
-Return the entities as a JSON array of strings. Only include the most important and specific entities."""
+Return the entities as a JSON array of strings. Only include the most important and specific entities, and list them from the most important to least important."""
         
         # 对话历史
         self.conversation_history = []
@@ -283,9 +283,9 @@ Return the entities as a JSON array of strings. Only include the most important
         entities.extend(special_terms)
         
         # 去重并返回
-        return list(set(entities))[:10]  # 最多返回5个实体
+        return list(set(entities))[:5]  # 最多返回5个实体
     
-    def enhanced_search(self, query: str, top_k: int = 5) -> Tuple[str, str, List[str], List[Tuple[Dict, float, Dict]]]:
+    def enhanced_search(self, query: str, top_k: int = 4) -> Tuple[str, str, List[str], List[Tuple[Dict, float, Dict]]]:
         """
         增强搜索：重写查询 -> 提取实体 -> 基于实体搜索（优化版本）