diff --git a/doc/webservice/新版websdk接口说明.doc b/doc/webservice/新版websdk接口说明.doc
index 065f1786..60beca8e 100644
Binary files a/doc/webservice/新版websdk接口说明.doc and b/doc/webservice/新版websdk接口说明.doc differ
diff --git a/doc/webservice/新版websdk接口说明.pdf b/doc/webservice/新版websdk接口说明.pdf
index c3df2511..899d10cb 100644
Binary files a/doc/webservice/新版websdk接口说明.pdf and b/doc/webservice/新版websdk接口说明.pdf differ
diff --git a/sdk/webservice/ManagerV2.cpp b/sdk/webservice/ManagerV2.cpp
index 7cf56768..684f5a2d 100644
--- a/sdk/webservice/ManagerV2.cpp
+++ b/sdk/webservice/ManagerV2.cpp
@@ -64,6 +64,7 @@ namespace ver_2
 		m_devNameList.clear();
 		m_openDevice = false;
 		m_devName.clear();
+        m_sn.clear();
 		m_devHandle = NULL;
 		m_devParams.clear();
 		m_scanBlankCheck = false;
@@ -266,7 +267,8 @@ namespace ver_2
 
 		if ((mask & GlobalConfig::fileSavePathMask) && cfg.fileSavePath.empty())
 			return -1;
-		if ((mask & GlobalConfig::fileNameModeMask) && ("date_time" != cfg.fileNameMode && "random" != cfg.fileNameMode))
+        if ((mask & GlobalConfig::fileNameModeMask) && ("date_time" != cfg.fileNameMode && "random" != cfg.fileNameMode
+            && "sn_date_time" != cfg.fileNameMode))
 			return -1;
 		if ((mask & GlobalConfig::imageFormatMask) && ("jpg" != cfg.imageFormat && "bmp" != cfg.imageFormat && "png" != cfg.imageFormat && "tif" != cfg.imageFormat
 			&& "pdf" != cfg.imageFormat && "ofd" != cfg.imageFormat && "ocr-pdf" != cfg.imageFormat && "ocr-ofd" != cfg.imageFormat))
@@ -1327,6 +1329,9 @@ namespace ver_2
 		m_devName = deviceName;
 		m_openDevice = true;
 		errInfo.clear();
+
+        std::string snError;
+        GetDeviceSN(m_sn, snError);
 		return 0;
 	}
 
@@ -1348,8 +1353,9 @@ namespace ver_2
 		m_devName.clear();
 		m_devParams.clear();
 		m_openDevice = false;
-
 		errInfo.clear();
+
+        m_sn.clear();
 		return 0;
 	}
 
@@ -3176,6 +3182,13 @@ namespace ver_2
 				HGBase_GetUuid(uuid, 256);
 				sprintf(filePath, "%s%s%s.%s", savePath, m_globalCfg.fileNamePrefix.c_str(), uuid, suffix.c_str());
 			}
+            else if ("sn_date_time" == m_globalCfg.fileNameMode)
+            {
+                HGTimeInfo timeInfo;
+                HGBase_GetLocalTime(&timeInfo);
+                sprintf(filePath, "%s%s%s_%04d%02d%02d%02d%02d%02d%03d.%s", savePath, m_globalCfg.fileNamePrefix.c_str(), m_sn.c_str(), timeInfo.year,
+                    timeInfo.month, timeInfo.day, timeInfo.hour, timeInfo.minute, timeInfo.second, timeInfo.milliseconds, suffix.c_str());
+            }
 			else
 			{
 				HGTimeInfo timeInfo;
diff --git a/sdk/webservice/ManagerV2.h b/sdk/webservice/ManagerV2.h
index c735c6e0..e543b088 100644
--- a/sdk/webservice/ManagerV2.h
+++ b/sdk/webservice/ManagerV2.h
@@ -317,6 +317,7 @@ namespace ver_2
 		bool m_openDevice;
 		SANE_Handle m_devHandle;
 		std::string m_devName;
+        std::string m_sn;
 		std::vector<DeviceParamsGroup> m_devParams;
 		bool m_scanBlankCheck;
 		bool m_scanTemp;