diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index 8c100ff..68af3a9 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -2105,7 +2105,7 @@ int hg_scanner_239::get_device_log(string &logpath)
 int hg_scanner_239::set_devreboot()
 {
 	int val = 0,
-		ret = read_register(SR_REBOOT, &val);
+		ret = write_register(SR_REBOOT, val);
 
 	if (ret != SCANNER_ERR_OK)
 		return ret;
@@ -2113,7 +2113,7 @@ int hg_scanner_239::set_devreboot()
 int hg_scanner_239::set_devshtudown()
 {
 	int val = 0,
-		ret = read_register(SR_POWEROFF, &val);
+		ret = write_register(SR_POWEROFF, val);
 
 	if (ret != SCANNER_ERR_OK)
 		return ret;