diff --git a/hgdriver/hgdev/image_process.cpp b/hgdriver/hgdev/image_process.cpp
index bb3a0b9..a7829c7 100644
--- a/hgdriver/hgdev/image_process.cpp
+++ b/hgdriver/hgdev/image_process.cpp
@@ -379,7 +379,7 @@ namespace hg_imgproc
 #elif  defined(OEM_CANGTIAN)
 			string libname = "libctsdriver.so";
 #elif  defined(OEM_ZHONGJING)
-			string libname = "libzjdriver.so";.
+			string libname = "libzjdriver.so";
 #elif  defined(OEM_ZIGUANG)
 			string libname = "libzgdriver.so";
 #else