diff --git a/wms-webapi/Library/JavaEnv.bat b/wms-webapi/Library/JavaEnv.bat
new file mode 100644
index 0000000..6e00b89
--- /dev/null
+++ b/wms-webapi/Library/JavaEnv.bat
@@ -0,0 +1,50 @@
+:: 检查java安装环境
+
+@echo off
+
+:: 设置全局错误码
+set /A errorcode=0
+
+:: 开启扩展功能
+setlocal ENABLEEXTENSIONS
+setlocal ENABLEDELAYEDEXPANSION
+
+::通过向临时文件写内容，判断是否有文件读写权限
+echo > tmp
+if exist tmp (
+    del /F/Q tmp >nul 2>&1
+) else (
+    echo Please switch to an administrator account to run this batch!!!
+    set /A errorcode=1
+    goto:END
+)
+
+::判断JAVA_HOME是否被定义
+if "%JAVA_HOME%"=="" (
+    echo JAVA_HOME not set. Please make sure that java is correctly installed.
+    set /A errorcode=2
+    goto:END
+)
+
+:: 判断CLASSPATH是否被定义
+if "%CLASSPATH%"=="" (
+    echo CLASSPATH not set. Please make sure that java is correctly installed.
+    set /A errorcode=3
+    goto:END
+)
+
+:: 判断java版本是否比 1.7.0高，需先将版本信息重定向到文件中，再对文件内容进行分析
+java -version >nul 2> JavaVer.tmp
+for /F "tokens=1,2,3*" %%i in (JavaVer.tmp) do (
+    if "%%j" == "version" (
+        if %%k LSS "1.7.0" (
+            echo Java version is less than "1.7.0", warnings or errors may occur.
+        )
+    )
+)
+del /F/Q JavaVer.tmp >nul 2>&1
+
+:END
+
+::返回错误码
+exit /B %errorcode%
diff --git a/wms-webapi/Library/MvCameraControlWrapper.jar b/wms-webapi/Library/MvCameraControlWrapper.jar
new file mode 100644
index 0000000..b4f86b4
Binary files /dev/null and b/wms-webapi/Library/MvCameraControlWrapper.jar differ
diff --git a/wms-webapi/src/main/java/top/wms/admin/controller/hkMVS/Grab_Callback.java b/wms-webapi/src/main/java/top/wms/admin/controller/hkMVS/Grab_Callback.java
new file mode 100644
index 0000000..8744911
--- /dev/null
+++ b/wms-webapi/src/main/java/top/wms/admin/controller/hkMVS/Grab_Callback.java
@@ -0,0 +1,264 @@
+package top.wms.admin.controller.hkMVS; /***************************************************************************************************
+ * @file      Grab_Callback.java
+ * @breif     Use functions provided in MvCameraControlWrapper.jar to grab images
+ * @author    zhanglei72
+ * @date      2020/01/12
+ *
+ * @warning
+ * @version   V1.0.0  2020/01/12 Create this file
+ *            V1.0.1  2020/02/10 add parameter checking
+ * @since     2020/02/10
+ **************************************************************************************************/
+
+import MvCameraControlWrapper.*;
+
+import java.util.ArrayList;
+import java.util.Scanner;
+
+import static MvCameraControlWrapper.MvCameraControlDefines.*;
+
+public class Grab_Callback {
+    public static Scanner scanner;
+
+    private static void printDeviceInfo(MV_CC_DEVICE_INFO stDeviceInfo) {
+        if (null == stDeviceInfo) {
+            System.out.println("stDeviceInfo is null");
+            return;
+        }
+
+        if ((stDeviceInfo.transportLayerType == MV_GIGE_DEVICE) || (stDeviceInfo.transportLayerType == MV_GENTL_GIGE_DEVICE)) {
+            System.out.println("\tCurrentIp:       " + stDeviceInfo.gigEInfo.currentIp);
+            System.out.println("\tModel:           " + stDeviceInfo.gigEInfo.modelName);
+            System.out.println("\tUserDefinedName: " + stDeviceInfo.gigEInfo.userDefinedName);
+        } else if (stDeviceInfo.transportLayerType == MV_USB_DEVICE) {
+            System.out.println("\tUserDefinedName: " + stDeviceInfo.usb3VInfo.userDefinedName);
+            System.out.println("\tSerial Number:   " + stDeviceInfo.usb3VInfo.serialNumber);
+            System.out.println("\tDevice Number:   " + stDeviceInfo.usb3VInfo.deviceNumber);
+        } else if (stDeviceInfo.transportLayerType == MV_GENTL_CAMERALINK_DEVICE) {
+            System.out.println("\tUserDefinedName: " + stDeviceInfo.cmlInfo.userDefinedName);
+            System.out.println("\tSerial Number:   " + stDeviceInfo.cmlInfo.serialNumber);
+            System.out.println("\tDevice Number:   " + stDeviceInfo.cmlInfo.DeviceID);
+        } else if (stDeviceInfo.transportLayerType == MV_GENTL_CXP_DEVICE) {
+            System.out.println("\tUserDefinedName: " + stDeviceInfo.cxpInfo.userDefinedName);
+            System.out.println("\tSerial Number:   " + stDeviceInfo.cxpInfo.serialNumber);
+            System.out.println("\tDevice Number:   " + stDeviceInfo.cxpInfo.DeviceID);
+        } else if (stDeviceInfo.transportLayerType == MV_GENTL_XOF_DEVICE) {
+            System.out.println("\tUserDefinedName: " + stDeviceInfo.xofInfo.userDefinedName);
+            System.out.println("\tSerial Number:   " + stDeviceInfo.xofInfo.serialNumber);
+            System.out.println("\tDevice Number:   " + stDeviceInfo.xofInfo.DeviceID);
+        } else {
+            System.err.print("Device is not supported! \n");
+        }
+
+        System.out.println("\tAccessible:      "
+                + MvCameraControl.MV_CC_IsDeviceAccessible(stDeviceInfo, MV_ACCESS_Exclusive));
+        System.out.println("");
+    }
+
+    private static void printFrameInfo(MV_FRAME_OUT_INFO stFrameInfo) {
+        if (null == stFrameInfo) {
+            System.err.println("stFrameInfo is null");
+            return;
+        }
+
+        StringBuilder frameInfo = new StringBuilder("");
+        frameInfo.append(("\tFrameNum[" + stFrameInfo.frameNum + "]"));
+        frameInfo.append("\tWidth[" + stFrameInfo.width + "]");
+        frameInfo.append("\tHeight[" + stFrameInfo.height + "]");
+        frameInfo.append(String.format("\tPixelType[%#x]", stFrameInfo.pixelType.getnValue()));
+
+        System.out.println(frameInfo.toString());
+    }
+
+    public static int chooseCamera(ArrayList<MV_CC_DEVICE_INFO> stDeviceList) {
+        if (null == stDeviceList) {
+            return -1;
+        }
+
+        // Choose a device to operate
+        int camIndex = -1;
+
+        while (true) {
+            System.out.print("Please input camera index:");
+            if (scanner.hasNextInt()) {
+                try {
+
+                    camIndex = scanner.nextInt();
+                    if ((camIndex >= 0 && camIndex < stDeviceList.size()) || -1 == camIndex) {
+                        break;
+                    } else {
+                        System.out.println("Input error: " + camIndex + " Over Range:( 0 - " + (stDeviceList.size() - 1) + " )");
+                    }
+                } catch (NumberFormatException e) {
+                    System.out.println("Input not number.");
+                    camIndex = -1;
+                    break;
+                }
+            } else {
+                camIndex = -1;
+                break;
+            }
+
+        }
+        if (-1 == camIndex) {
+            System.out.println("Input error.exit");
+            return camIndex;
+        }
+
+        if (0 <= camIndex && stDeviceList.size() > camIndex) {
+            if ((MV_GIGE_DEVICE == stDeviceList.get(camIndex).transportLayerType) || (MV_GENTL_GIGE_DEVICE == stDeviceList.get(camIndex).transportLayerType)) {
+                System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).gigEInfo.userDefinedName);
+            } else if (MV_USB_DEVICE == stDeviceList.get(camIndex).transportLayerType) {
+                System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).usb3VInfo.userDefinedName);
+            } else if (MV_GENTL_CAMERALINK_DEVICE == stDeviceList.get(camIndex).transportLayerType) {
+                System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).cmlInfo.DeviceID);
+            } else if (MV_GENTL_CXP_DEVICE == stDeviceList.get(camIndex).transportLayerType) {
+                System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).cxpInfo.DeviceID);
+            } else if (MV_GENTL_XOF_DEVICE == stDeviceList.get(camIndex).transportLayerType) {
+                System.out.println("Connect to camera[" + camIndex + "]: " + stDeviceList.get(camIndex).xofInfo.DeviceID);
+            } else {
+                System.out.println("Device is not supported.");
+            }
+        } else {
+            System.out.println("Invalid index " + camIndex);
+            camIndex = -1;
+        }
+
+        return camIndex;
+    }
+
+    public static void main(String[] args) {
+        int nRet = MV_OK;
+        int camIndex = -1;
+        scanner = new Scanner(System.in);
+
+        Handle hCamera = null;
+        ArrayList<MV_CC_DEVICE_INFO> stDeviceList = null;
+
+        do {
+            System.out.println("SDK Version " + MvCameraControl.MV_CC_GetSDKVersion());
+
+            // Initialize SDK
+            nRet = MvCameraControl.MV_CC_Initialize();
+            if (MV_OK != nRet) {
+                System.err.printf("Initialize SDK fail! nRet [0x%x]\n\n", nRet);
+                break;
+            }
+
+            // Enumerate  devices
+            try {
+                stDeviceList = MvCameraControl.MV_CC_EnumDevices(MV_GIGE_DEVICE | MV_USB_DEVICE | MV_GENTL_GIGE_DEVICE | MV_GENTL_CAMERALINK_DEVICE | MV_GENTL_CXP_DEVICE | MV_GENTL_XOF_DEVICE);
+            } catch (CameraControlException e) {
+                System.err.println("Enumrate devices failed!" + e.toString());
+                e.printStackTrace();
+                break;
+            }
+
+            if (0 >= stDeviceList.size()) {
+                System.out.println("No devices found!");
+                break;
+            }
+            int i = 0;
+            for (MV_CC_DEVICE_INFO stDeviceInfo : stDeviceList) {
+                if (null == stDeviceInfo) {
+                    continue;
+                }
+                System.out.println("[camera " + (i++) + "]");
+                printDeviceInfo(stDeviceInfo);
+            }
+
+            // choose camera
+            camIndex = chooseCamera(stDeviceList);
+            if (-1 == camIndex) {
+                break;
+            }
+
+            // Create device handle
+            try {
+                hCamera = MvCameraControl.MV_CC_CreateHandle(stDeviceList.get(camIndex));
+            } catch (CameraControlException e) {
+                System.err.println("Create handle failed!" + e.toString());
+                e.printStackTrace();
+                hCamera = null;
+                break;
+            }
+
+            // Open selected device
+            nRet = MvCameraControl.MV_CC_OpenDevice(hCamera);
+            if (MV_OK != nRet) {
+                System.err.printf("Connect to camera failed, errcode: [%#x]\n", nRet);
+                break;
+            }
+
+            // Register image callback
+            nRet = MvCameraControl.MV_CC_RegisterImageCallBack(hCamera, new CameraImageCallBack() {
+                @Override
+                public int OnImageCallBack(byte[] bytes, MV_FRAME_OUT_INFO mv_frame_out_info) {
+                    printFrameInfo(mv_frame_out_info);
+                    return 0;
+                }
+            });
+            if (MV_OK != nRet) {
+                System.err.printf("register image callback failed, errcode: [%#x]\n", nRet);
+                break;
+            }
+
+
+            // Turn off trigger mode 
+            nRet = MvCameraControl.MV_CC_SetEnumValueByString(hCamera, "TriggerMode", "Off");
+            if (MV_OK != nRet) {
+                System.err.printf("SetTriggerMode failed, errcode: [%#x]\n", nRet);
+                break;
+            }
+
+
+            nRet = MvCameraControl.MV_CC_StartGrabbing(hCamera);
+            if (MV_OK != nRet) {
+                System.err.printf("StartGrabbing failed, errcode: [%#x]\n", nRet);
+                break;
+            }
+
+            scanner.useDelimiter("");
+            System.out.println("Press Enter to exit.");
+            while (true) {
+                String input = scanner.nextLine();
+                if (scanner.hasNextLine()) {
+                    break;
+                } else {
+                    try {
+                        Thread.sleep(1 * 10);
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                        break;
+                    }
+                }
+
+            }
+
+            // Stop grabbing
+            nRet = MvCameraControl.MV_CC_StopGrabbing(hCamera);
+            if (MV_OK != nRet) {
+                System.err.printf("StopGrabbing failed, errcode: [%#x]\n", nRet);
+                break;
+            }
+
+            // close device
+            nRet = MvCameraControl.MV_CC_CloseDevice(hCamera);
+            if (MV_OK != nRet) {
+                System.err.printf("CloseDevice failed, errcode: [%#x]\n", nRet);
+                break;
+            }
+
+        } while (false);
+
+        if (null != hCamera) {
+            // Destroy handle
+            nRet = MvCameraControl.MV_CC_DestroyHandle(hCamera);
+            if (MV_OK != nRet) {
+                System.err.printf("DestroyHandle failed, errcode: [%#x]\n", nRet);
+            }
+        }
+        MvCameraControl.MV_CC_Finalize();
+        scanner.close();
+    }
+}