diff --git a/controller/groupAgent/chatHistory.ts b/controller/groupAgent/chatHistory.ts
index d32a284..c133c72 100644
--- a/controller/groupAgent/chatHistory.ts
+++ b/controller/groupAgent/chatHistory.ts
@@ -165,9 +165,9 @@ const getChatHistory = async (
     [...senders].filter((sender) => !mentions.has(sender))
   )
 
-  logger.debug(`Mentions: ${JSON.stringify(mentions)}`)
-  logger.debug(`Senders: ${JSON.stringify(senders)}`)
-  logger.debug(`No mention senders: ${JSON.stringify(noMentionSenders)}`)
+  logger.debug(`Mentions: ${JSON.stringify([...mentions.entries()])}`)
+  logger.debug(`Senders: ${JSON.stringify([...senders])}`)
+  logger.debug(`No mention senders: ${JSON.stringify([...noMentionSenders])}`)
 
   // 从接口获取用户名
   if (noMentionSenders.size !== 0) {
diff --git a/utils/polyfill/map.ts b/utils/polyfill/map.ts
index 01c4d2d..0ea3015 100644
--- a/utils/polyfill/map.ts
+++ b/utils/polyfill/map.ts
@@ -69,6 +69,24 @@ class MapPolyfill<K, V> implements MapPolyfillInterface<K, V> {
   get size(): number {
     return this.keys.length
   }
+
+  entries(): IterableIterator<[K, V]> {
+    let index = 0
+    const keys = this.keys
+    const values = this.values
+    return {
+      [Symbol.iterator]() {
+        return this
+      },
+      next(): IteratorResult<[K, V]> {
+        if (index < keys.length) {
+          return { value: [keys[index], values[index++]], done: false }
+        } else {
+          return { value: undefined, done: true }
+        }
+      },
+    }
+  }
 }
 
 export default MapPolyfill