diff --git a/formatMessages.mjs b/formatMessages.mjs
new file mode 100644
index 0000000..c8038af
--- /dev/null
+++ b/formatMessages.mjs
@@ -0,0 +1,91 @@
+export function formatMessages(messages) {
+    // 检查是否存在 "<!-- AI Round 0 begins. -->" 标记
+    const hasAIRound0 = messages.some(message => message.content.includes('<!-- AI Round 0 begins. -->'));
+    
+    // 如果没有找到标记，直接返回原始消息数组
+    if (!hasAIRound0) {
+        return messages;
+    }
+
+    let formattedMessages = [];
+    let userRoundCounter = 0;
+    let assistantRoundCounter = 0;
+    let descriptionPointCounter = 0;
+    let isFirstUserFound = false;
+    let isLatestRound = false;
+    let lastAssistantRound = 0;
+
+    // 查找初始回合数
+    let initialRound = 0;
+    for (let i = 0; i < messages.length; i++) {
+        if (messages[i].role === 'user') {
+            const nextMessage = messages[i + 1];
+            if (nextMessage && nextMessage.role === 'assistant') {
+                const match = nextMessage.content.match(/<!-- AI Round (\d+) begins\. -->/);
+                if (match) {
+                    initialRound = parseInt(match[1]);
+                    userRoundCounter = initialRound - 1;
+                    assistantRoundCounter = initialRound;
+                    lastAssistantRound = initialRound;
+                    descriptionPointCounter = Math.ceil(initialRound / 2);
+                    break;
+                }
+            }
+        }
+    }
+
+    for (let i = 0; i < messages.length; i++) {
+        const message = messages[i];
+
+        if (message.content.includes('<!-- AI Round 0 begins. -->')) {
+            formattedMessages.push({
+                role: message.role,
+                content: message.content.replace('<!-- AI Round 0 begins. -->', '--------------------<一切的开始>--------------------\n<!-- AI Round 0 begins. -->')
+            });
+            continue;
+        }
+
+        if (message.role === 'user') {
+            if (isFirstUserFound) {
+                userRoundCounter = lastAssistantRound + 1;
+                descriptionPointCounter++;
+            } else {
+                isFirstUserFound = true;
+            }
+            
+            let roundInfo = '';
+            if (i + 1 < messages.length && messages[i + 1].role === 'assistant') {
+                const nextAssistantRound = userRoundCounter + 1;
+                roundInfo = `--------------------<历史第 user = 回合${userRoundCounter}|assistant = 回合${nextAssistantRound} 开始，标记描点:[${descriptionPointCounter}]>--------------------\n`;
+            } else {
+                isLatestRound = true;
+                roundInfo = `--------------------<最新user:(${userRoundCounter})回合|assistant:(${userRoundCounter + 1})回合开始，基于上回(${descriptionPointCounter - 1}(user${userRoundCounter - 1}|assistant${userRoundCounter}))中的历史描点内的\`assistant:\`发言末尾衔接，不得无视下方\`user:\`指引内容，根据多个记忆信息来保持思路清晰，不要出现失忆发言:>--------------------\n`;
+            }
+            formattedMessages.push({
+                role: 'system',
+                content: roundInfo
+            });
+        } else if (message.role === 'assistant') {
+            const match = message.content.match(/<!-- AI Round (\d+) begins\. -->/);
+            if (match) {
+                assistantRoundCounter = parseInt(match[1]);
+                lastAssistantRound = assistantRoundCounter;
+            }
+        }
+
+        formattedMessages.push(message);
+
+        if (message.content.includes('<CHAR_turn>') && !isLatestRound) {
+            formattedMessages.push({
+                role: 'system',
+                content: `--------------------<历史描点[${descriptionPointCounter}]结束>--------------------`
+            });
+        }
+
+        if (message.content.includes('<!-- The following are the writing style rules and guidelines for the turn-based collaborative storytelling: -->')) {
+            break;
+        }
+    }
+
+    return formattedMessages;
+}
\ No newline at end of file