diff --git a/metagpt/actions/talk_action.py b/metagpt/actions/talk_action.py
index 4eed0d4f8..12b9da030 100644
--- a/metagpt/actions/talk_action.py
+++ b/metagpt/actions/talk_action.py
@@ -27,22 +27,16 @@ class TalkAction(Action):
 
     @property
     def prompt(self):
-        prompt = ""
-        if CONFIG.agent_description:
-            prompt = (
-                f"You are {CONFIG.agent_description}. Your responses should align with the role-play agreement, "
-                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"{self._history_summary}\n\n"
-        if self._history_summary != "":
-            prompt += "According to the historical conversation above, "
-        language = CONFIG.language or DEFAULT_LANGUAGE
-        prompt += (
-            f"Answer the following questions in {language}, and the answers must follow the Markdown format.\n "
-            f"{self._talk}"
-        )
+        kvs = {
+            "{role}": CONFIG.agent_description or "",
+            "{history}": self._history_summary or "",
+            "{knowledge}": self._knowledge or "",
+            "{language}": CONFIG.language or DEFAULT_LANGUAGE,
+            "{ask}": self._talk,
+        }
+        prompt = TalkAction.__FORMATION__
+        for k, v in kvs.items():
+            prompt = prompt.replace(k, v)
         return prompt
 
     async def run(self, *args, **kwargs) -> ActionOutput:
@@ -52,3 +46,30 @@ class TalkAction(Action):
         logger.info(rsp)
         self._rsp = ActionOutput(content=rsp)
         return self._rsp
+
+    __FORMATION__ = """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 requirements for your to respond;
+  "Constraint" defines the conditions that your responses must comply with.
+
+Capacity and role: {role}
+Statement: Your responses should align with the role-play agreement, maintaining the
+ character's persona and habits. When faced with unrelated questions, playfully decline to answer without revealing
+ your AI nature to preserve the character's image. Statement: the answers must follow the Markdown format.
+
+[HISTORY_BEGIN]
+{history}
+[HISTORY_END]
+
+[KNOWLEDGE_BEGIN]
+{knowledge}
+[KNOWLEDGE_END]
+
+Statement: According to the historical conversation and knowledge above if helpful, Answer the following questions in
+ {language}, and the answers must follow the Markdown format. 
+ 
+ [ASK_BEGIN]
+ {ask}
+ [ASK_END]"""