diff --git a/internal/api/message/message_send_user.go b/internal/api/message/message_send_user.go
index 96208f8..cdf6825 100644
--- a/internal/api/message/message_send_user.go
+++ b/internal/api/message/message_send_user.go
@@ -1,7 +1,10 @@
 package message
 
 import (
+	"encoding/json"
 	"fmt"
+	"gorm.io/gorm"
+	"mini-chat/internal/services"
 	"net/http"
 	"time"
 
@@ -63,6 +66,61 @@ func (h *handler) UserSendMessage() core.HandlerFunc {
 			))
 		}
 
+		time.AfterFunc(1*time.Second, func() {
+			if req.MsgType == 1 { // 自动回复逻辑
+				textMsg := new(services.TextMessage)
+				if err := json.Unmarshal([]byte(req.Content), &textMsg); err != nil {
+					h.logger.Error(fmt.Sprintf("AppID(%s),用户ID(%s),发送内容(%s) JSON解析失败: %s", req.AppID, req.FormUserID, req.Content, err.Error()))
+					return
+				}
+
+				keyword, err := h.readDB.AppKeyword.
+					Where(h.readDB.AppKeyword.AppID.Eq(req.AppID)).
+					Where(h.readDB.AppKeyword.Keyword.Eq(textMsg.Message)).
+					Order(h.readDB.AppKeyword.ID.Asc()).
+					First()
+				if err != nil && err != gorm.ErrRecordNotFound {
+					h.logger.Error(fmt.Sprintf("AppID(%s),用户ID(%s),发送内容(%s) 获取意图关键字失败: %s", req.AppID, req.FormUserID, req.Content, err.Error()))
+					return
+				}
+
+				if keyword == nil {
+					return
+				}
+
+				// 获取群组关键字回复信息
+				reply, err := h.readDB.AppKeywordReply.
+					Where(h.readDB.AppKeywordReply.AppID.Eq(req.AppID)).
+					Where(h.readDB.AppKeywordReply.KeywordID.Eq(keyword.ID)).
+					Find()
+				if err != nil && err != gorm.ErrRecordNotFound {
+					h.logger.Error(fmt.Sprintf("AppID(%s),用户ID(%s),发送内容(%s) 获取群组关键字回复失败: %s", req.AppID, req.FormUserID, req.Content, err.Error()))
+					return
+				}
+
+				if len(reply) == 0 {
+					return
+				}
+
+				for _, v := range reply {
+					time.Sleep(time.Duration(v.IntervalSeconds) * time.Second)
+
+					replyData := new(model.AppMessageLog)
+					replyData.AppID = req.AppID
+					replyData.SenderID = "888888"
+					replyData.SenderName = "平台"
+					replyData.Content = v.Content
+					replyData.ReceiverID = req.FormUserID
+					replyData.MsgType = v.Type
+					replyData.SendTime = time.Now()
+					replyData.CreatedAt = time.Now()
+					if err := h.writeDB.AppMessageLog.Create(replyData); err != nil {
+						h.logger.Error(fmt.Sprintf("AppID(%s),用户ID(%s),发送内容(%s) 回复关键字回复失败: %s", req.AppID, req.FormUserID, req.Content, err.Error()))
+					}
+				}
+			}
+		})
+
 		res.Message = "操作成功"
 		ctx.Payload(res)
 	}