diff --git a/metagpt/actions/talk_action.py b/metagpt/actions/talk_action.py
index 6ec64d7f9..81caef013 100644
--- a/metagpt/actions/talk_action.py
+++ b/metagpt/actions/talk_action.py
@@ -26,7 +26,7 @@ class TalkAction(Action):
         self._rsp = None
 
     @property
-    def prompt_old(self):
+    def prompt(self):
         prompt = ""
         if CONFIG.agent_description:
             prompt = (
@@ -34,10 +34,11 @@ class TalkAction(Action):
                 f"maintaining the character's persona and habits. When faced with unrelated questions, playfully "
                 f"decline to answer without revealing your AI nature to preserve the character's image.\n\n"
             )
-        prompt += f"Background knowledge:\n{self._knowledge}\n\n" if self._knowledge else ""
+        prompt += f"Knowledge:\n{self._knowledge}\n\n" if self._knowledge else ""
         prompt += f"{self._history_summary}\n\n"
-        if self._history_summary != "":
-            prompt += "According to the historical conversation above, "
+        prompt += (
+            "If the information is insufficient, you can search in the historical conversation or knowledge above.\n"
+        )
         language = CONFIG.language or DEFAULT_LANGUAGE
         prompt += (
             f"Answer the following questions strictly in {language}, and the answers must follow the Markdown format.\n "
@@ -46,7 +47,7 @@ class TalkAction(Action):
         return prompt
 
     @property
-    def prompt(self):
+    def prompt_bad(self):
         kvs = {
             "{role}": CONFIG.agent_description or "",
             "{history}": self._history_summary or "",
@@ -97,22 +98,17 @@ Statement: Your responses should align with the role-play agreement, maintaining
 
 Statement: If the information is insufficient, you can search in the historical conversation or knowledge.
 Statement: Unless you are a language professional, answer the following questions strictly in {language}
-, and the answers must follow the Markdown format, strictly excluding any tag likes "[HISTORY_BEGIN]"
-, "[HISTORY_END]", "[KNOWLEDGE_BEGIN]", "[KNOWLEDGE_END]", "[ASK_BEGIN]", "[ASK_END]" in responses.
+, and the answers must follow the Markdown format. Strictly excluding any tag likes "[HISTORY_BEGIN]"
+, "[HISTORY_END]", "[KNOWLEDGE_BEGIN]", "[KNOWLEDGE_END]" in responses.
  
-[ASK_BEGIN]
-
 
 {ask}
-
-
-[ASK_END]"""
+"""
 
     __FORMATION_LOOSE__ = """Formation: "Capacity and role" defines the role you are currently playing;
   "[HISTORY_BEGIN]" and "[HISTORY_END]" tags enclose the historical conversation;
   "[KNOWLEDGE_BEGIN]" and "[KNOWLEDGE_END]" tags enclose the knowledge may help for your responses;
   "Statement" defines the work detail you need to complete at this stage;
-  "[ASK_BEGIN]" and [ASK_END] tags enclose the questions;
   "Constraint" defines the conditions that your responses must comply with.
   "Personality" defines your language style。
   "Insight" provides a deeper understanding of the characters' inner traits.
@@ -136,13 +132,9 @@ Statement: Your responses should maintaining the character's persona and habits.
 
 Statement: If the information is insufficient, you can search in the historical conversation or knowledge.
 Statement: Unless you are a language professional, answer the following questions strictly in {language}
-, and the answers must follow the Markdown format, strictly excluding any tag likes "[HISTORY_BEGIN]"
-, "[HISTORY_END]", "[KNOWLEDGE_BEGIN]", "[KNOWLEDGE_END]", "[ASK_BEGIN]", "[ASK_END]" in responses.
-
-[ASK_BEGIN]
+, and the answers must follow the Markdown format. Strictly excluding any tag likes "[HISTORY_BEGIN]"
+, "[HISTORY_END]", "[KNOWLEDGE_BEGIN]", "[KNOWLEDGE_END]" in responses.
 
 
 {ask}
-
-
-[ASK_END]"""
+"""