diff --git a/controller/groupAgent/report.ts b/controller/groupAgent/report.ts
index 6b8b45b..4827aa9 100644
--- a/controller/groupAgent/report.ts
+++ b/controller/groupAgent/report.ts
@@ -21,7 +21,17 @@ const genSummary = async (
   const { logger, requestId, larkCard, larkService, appInfo, larkBody } = ctx
   logger.info(`genSummary ${timeScope} by ${trigger}`)
   const cardGender = larkCard.child("groupAgent")
+  let loadingMessageId = ""
   try {
+    // 手动发送先发一个Loading卡片
+    const {
+      data: { message_id: messageId },
+    } = await larkService.message.replyCard(
+      larkBody.messageId,
+      cardGender.genPendingCard("总结中，请稍等...")
+    )
+    loadingMessageId = messageId
+
     // 获取群聊信息
     const chat = await db.chat.getAndCreate(ctx)
     if (!chat) {
@@ -47,8 +57,12 @@ const genSummary = async (
     )
 
     if (chatHistory.length === 0) {
-      logger.info(`No message in chat ${chatId}`)
-      return
+      if (trigger === "manual") {
+        throw new Error("No message in chat")
+      } else {
+        logger.info(`No message in chat ${chatId}`)
+        return
+      }
     }
 
     // 使用大模型总结消息
@@ -78,7 +92,7 @@ const genSummary = async (
 
     // 发送卡片消息，手动触发时回复原消息
     if (trigger === "manual") {
-      await larkService.message.replyCard(larkBody.messageId, cardContent)
+      await larkService.message.update(messageId, cardContent)
     } else {
       await larkService.message.sendCard2Chat(chatId, cardContent)
     }
@@ -96,7 +110,11 @@ const genSummary = async (
     )
     // 手动触发时回复原消息
     if (trigger === "manual") {
-      await larkService.message.replyCard(larkBody.messageId, errorCard)
+      if (loadingMessageId) {
+        await larkService.message.update(loadingMessageId, errorCard)
+      } else {
+        await larkService.message.replyCard(larkBody.messageId, errorCard)
+      }
     }
     // 自动触发发送给自己的订阅群
     else {