diff --git a/test/scannerlib/test.py b/test/scannerlib/test.py
index 912c0512..01bcaa9b 100644
--- a/test/scannerlib/test.py
+++ b/test/scannerlib/test.py
@@ -117,14 +117,14 @@ while(bStop != True):
 
 #关闭当前打开的设备
 HGLib_CloseDevice=Objdll.HGLib_CloseDevice
-HGLib_CloseDevice.argtypes = c_void_p
+HGLib_CloseDevice.argtypes = [c_void_p]
 HGLib_CloseDevice.restype = ctypes.c_int
 HGLib_CloseDevice(Device)
 print("Close Devices")
 
 #释放设备列表资源
 HGLib_ReleaseDeviceNameList=Objdll.HGLib_ReleaseDeviceNameList
-HGLib_ReleaseDeviceNameList.argtypes=POINTER(ctypes.c_char_p)
+HGLib_ReleaseDeviceNameList.argtypes=[POINTER(ctypes.c_char_p)]
 HGLib_ReleaseDeviceNameList.restype = ctypes.c_int
 HGLib_ReleaseDeviceNameList(DeviceNameList)
 print("ReleaseDeviceNameList done")