解决出现预设场景，历史不展示的情况

src/server/qa.py

@@ -92,7 +92,7 @@ class QA:
         # if self.contains_blocked_keywords(_question):
         #     self.cur_answer = SAFE_RESPONSE
         #     yield [(self.cur_oquestion, self.cur_answer)]
-        #     return
+            # return
 
         self.cur_similarity = self.get_similarity(_aquestion=self.cur_oquestion)
         self.cur_question = self.prompt.format(context=self.cur_similarity, question=self.cur_oquestion)
@@ -129,10 +129,10 @@ class QA:
         _question = history[-1][0]
         history = history[:-1]
 
-        if self.contains_blocked_keywords(_question):
-            self.cur_answer = SAFE_RESPONSE
-            yield [(_question, self.cur_answer)]
-            return
+        # if self.contains_blocked_keywords(_question):
+        #     self.cur_answer = SAFE_RESPONSE
+        #     yield [(_question, self.cur_answer)]
+        #     return
 
         self.cur_similarity = self.get_similarity(_aquestion=_question)
         self.cur_question = self.prompt.format(context=self.cur_similarity, question=_question)