diff --git a/build.sh b/build.sh
index b6b71b6..eee5417 100644
--- a/build.sh
+++ b/build.sh
@@ -18,7 +18,7 @@ cd ..
 mkdir wrapper
 cd wrapper
 rm -rf *
-cmake ../../device/hgdriver/huagaoxxx_warraper_ex
+cmake ../../device/hgdriver/wrapper
 make
 
 cd ..
diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index 1a5ae83..10f41a4 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -1770,6 +1770,8 @@ int hg_scanner_239::set_sleep_time(int setsleepime)
 	int ret = write_register(SR_SET_SLEEPTIME, setsleepime);
 
 	HG_VLOG_MINI_2(HG_LOG_LEVEL_DEBUG_INFO, "set sleep time to %d = %s\n", setsleepime, hg_scanner::strerr((hg_err)ret).c_str());
+
+	return ret;
 }
 int hg_scanner_239::get_dogear_distance(void)
 {
diff --git a/hgdriver/huagaoxxx_warraper_ex/CMakeLists.txt b/hgdriver/wrapper/CMakeLists.txt
similarity index 100%
rename from hgdriver/huagaoxxx_warraper_ex/CMakeLists.txt
rename to hgdriver/wrapper/CMakeLists.txt
diff --git a/hgdriver/huagaoxxx_warraper_ex/hg_log.cpp b/hgdriver/wrapper/hg_log.cpp
similarity index 100%
rename from hgdriver/huagaoxxx_warraper_ex/hg_log.cpp
rename to hgdriver/wrapper/hg_log.cpp
diff --git a/hgdriver/huagaoxxx_warraper_ex/huagaoxxx_warraper_ex.cpp b/hgdriver/wrapper/huagaoxxx_warraper_ex.cpp
similarity index 100%
rename from hgdriver/huagaoxxx_warraper_ex/huagaoxxx_warraper_ex.cpp
rename to hgdriver/wrapper/huagaoxxx_warraper_ex.cpp
diff --git a/hgsane/sane_hg_mdw.cpp b/hgsane/sane_hg_mdw.cpp
index e4103de..5736cb1 100644
--- a/hgsane/sane_hg_mdw.cpp
+++ b/hgsane/sane_hg_mdw.cpp
@@ -1531,9 +1531,9 @@ SANE_Option_Descriptor* hg_sane_middleware::from_json(scanner_handle h, json* js
 			ret->cap |= SANE_CAP_ADVANCED;
 		}
 		
-		if (strcmp(ret->title, "分辨率") == 0)
+		if (strcmp(ret->title, "\345\210\206\350\276\250\347\216\207") == 0)
 		{
-			hg_log::log(HG_LOG_LEVEL_DEBUG_INFO, "set 分辨率 unit to DPI\n");
+			hg_log::log(HG_LOG_LEVEL_DEBUG_INFO, "set \345\210\206\350\276\250\347\216\207 unit to DPI\n");
 			ret->unit = SANE_UNIT_DPI;
 		}