diff --git a/src/main/java/vip/jcfd/sdk/HGScannerConstants.java b/src/main/java/vip/jcfd/sdk/HGScannerConstants.java
index e7f5601..9b0635e 100644
--- a/src/main/java/vip/jcfd/sdk/HGScannerConstants.java
+++ b/src/main/java/vip/jcfd/sdk/HGScannerConstants.java
@@ -204,4 +204,7 @@ public class HGScannerConstants {
     public static final int HGLIB_OPTION_VALUERANGETYPE_DOUBLELIST = 3;
     public static final int HGLIB_OPTION_VALUERANGETYPE_INTRANGE = 4;
     public static final int HGLIB_OPTION_VALUERANGETYPE_DOUBLERANGE = 5;
+
+    public static final int HGLIB_OPTION_ENUMVALUE_SMZS_LXSM = 64;
+    public static final int HGLIB_OPTION_ENUMVALUE_SMZS_SMZDZS = 65;
 }
diff --git a/src/main/java/vip/jcfd/sdk/HGScannerWrapper.java b/src/main/java/vip/jcfd/sdk/HGScannerWrapper.java
index 5aa5374..95acda4 100644
--- a/src/main/java/vip/jcfd/sdk/HGScannerWrapper.java
+++ b/src/main/java/vip/jcfd/sdk/HGScannerWrapper.java
@@ -224,14 +224,15 @@ public class HGScannerWrapper {
      * @param device        设备句柄
      * @param eventCallback 扫描事件回调
      * @param imageCallback 扫描图像回调
-     * @param param         回调参数
+     * @param imageCaller   回调参数
      * @return 是否开始扫描成功
      */
     public static boolean startScan(HGScannerLib.HGLibDevice device,
                                     HGScannerLib.HGLibDeviceScanEventFunc eventCallback,
+                                    Pointer eventCaller,
                                     HGScannerLib.HGLibDeviceScanImageFunc imageCallback,
-                                    Pointer param) {
-        return scannerLib.HGLib_StartDeviceScan(device, eventCallback, param, imageCallback, param);
+                                    Pointer imageCaller) {
+        return scannerLib.HGLib_StartDeviceScan(device, eventCallback, eventCaller, imageCallback, imageCaller);
     }
 
     /**