增加OME 数据异常提示

KJD_WebService/BLL/WXXD/WXOemManage.cs

@@ -360,6 +360,10 @@ namespace KJD_Web.BLL.WXXD
 				{
 					throw new Exception("错误的账号");
 				}
+				else if (oems.Count != 1)
+				{
+					throw new Exception($"错误的OEM数据{oems.Count}");
+				}
 
 				oem oemInfo = null;
 				if (!request.oem_id.IsNullOrEmpty())