修改消息缓存key规则

QYMessageCenter.Business/MessageBusiness.cs

@@ -30,7 +30,7 @@ namespace QYMessageCenter.Business
         public void Send(SendMessageRequest request)
         {
             #region 检查消息md5
-            var md5 = $"{request.AppCode}_{request.TeamId}_{request.CustomTypeCode}_{request.Content}".Md5Encrypt();
+            var md5 = $"{request.AppCode}_{request.TeamId}_{request.ShopId}_{request.CustomTypeCode}_{request.Content}".Md5Encrypt();
             if (memoryCache.TryGetValue(md5, out _))
                 return;
             #endregion