diff --git a/business/jxstore/event/event.go b/business/jxstore/event/event.go
index f0e34343b..049667db3 100644
--- a/business/jxstore/event/event.go
+++ b/business/jxstore/event/event.go
@@ -193,7 +193,7 @@ func CreateMessageGroup(ctx *jxcontext.Context, userID, userID2, groupName strin
 			UserID:           userID,
 			Name:             groupName,
 			Type:             model.GroupTypeMulit,
-			MaxCount:         50,
+			MaxCount:         2000,
 			DividePercentage: dividePercentage,
 			QuitPrice:        quitPrice,
 		}
@@ -260,6 +260,8 @@ func AddMessageGroup(ctx *jxcontext.Context, groupID int, userID string) (err er
 	)
 	messageGroupMembers, err := dao.GetMessageGroupMembers(db, groupID, 0, userID)
 	messageGroupsResult, err := dao.GetMessageGroups(db, userID, groupID, model.GroupTypeMulit, false, "")
+	messageGroupsResult2, err := dao.GetMessageGroups(db, "", groupID, model.GroupTypeMulit, false, "")
+	messageGroupMembers2, err := dao.GetMessageGroupMembers(db, groupID, 0, "")
 	if err != nil {
 		return err
 	}
@@ -269,6 +271,12 @@ func AddMessageGroup(ctx *jxcontext.Context, groupID int, userID string) (err er
 	if len(messageGroupsResult) > 0 {
 		return fmt.Errorf("请不要加入自己创建的群！")
 	}
+	if len(messageGroupsResult2) > 0 && len(messageGroupMembers2) > 0 {
+		if len(messageGroupMembers2)+1 > messageGroupsResult2[0].MaxCount {
+			return fmt.Errorf("抱歉该群组已经满员了！")
+		}
+	}
+
 	messageGroupMember := &model.MessageGroupMember{
 		GroupID:      groupID,
 		MemberUserID: userID,