diff --git a/ZR.Service/mes/wms-u8/ERP_WMS_interactiveService.cs b/ZR.Service/mes/wms-u8/ERP_WMS_interactiveService.cs
index a2b59791..d7ab1d30 100644
--- a/ZR.Service/mes/wms-u8/ERP_WMS_interactiveService.cs
+++ b/ZR.Service/mes/wms-u8/ERP_WMS_interactiveService.cs
@@ -149,7 +149,6 @@ namespace ZR.Service.mes.wms_u8
                 { "appid", appid },
                 { "timestamp", timestamp },
                 { "sign", sign },
-                { "Content-Type", "application/json" }
             };
         }