diff --git a/hgdriver/hgdev/hg_scanner.h b/hgdriver/hgdev/hg_scanner.h
index 6b5a30c..8d53c12 100644
--- a/hgdriver/hgdev/hg_scanner.h
+++ b/hgdriver/hgdev/hg_scanner.h
@@ -540,7 +540,7 @@ public:
     #elif defined(OEM_ZHONGJING)
     static const std::string helpfile_ = "/opt/apps/com.microtekchina.microtekscan-ex/entries/help/MicrotekScan_scanSettings_Help_manual.pdf";//帮助文档路径
     #elif defined(OEM_ZIGUANG)
-    static const std::string helpfile_ = "/opt/apps/com.unisgroup.uniscan/entries/help/UniScan_scanSettings_Help_manual.pdf";//帮助文档路径
+    static const std::string helpfile_ = "/opt/apps/com.unischina.uniscan/entries/help/UniScan_scanSettings_Help_manual.pdf";//帮助文档路径
     #else
     static const std::string helpfile_ ="/opt/apps/com.huagaochina.huagoscan/entries/help/HuaGoScan_scanSettings_Help_manual.pdf";//帮助文档路径
     #endif