diff --git a/hgdriver/hgdev/hg_scanner.h b/hgdriver/hgdev/hg_scanner.h
index 3eb537f..3048b4d 100644
--- a/hgdriver/hgdev/hg_scanner.h
+++ b/hgdriver/hgdev/hg_scanner.h
@@ -499,7 +499,7 @@ public:
     #elif  defined(OEM_LISICHENG)
     static const std::string helpfile_ ="/opt/apps/com.lanxumchina.lanxumscan/entries/help/LanxumScan_scanSettings_Help_manual.pdf";//帮助文档路径
     #elif defined(OEM_CANGTIAN)
-    static const std::string helpfile_ = "/opt/apps/com.cumtennchina.cumtennscan/entries/help/CumTennScan_scanSettings_Help_manual.pdf";//帮助文档路径   
+    static const std::string helpfile_ = "/opt/apps/com.cumtennchina.cumtennscan/entries/help/CumtennScan_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
@@ -509,7 +509,7 @@ public:
     #elif  defined(OEM_LISICHENG)
     static const std::string helpfile_ ="/opt/apps/scanner-driver-lanxum/doc/LanxumScan_scanSettings_Help_manual.pdf";//帮助文档路径
     #elif defined(OEM_CANGTIAN)
-    static const std::string helpfile_ = "/opt/apps/scanner-driver-cumtenn/doc/CumTennScan_scanSettings_Help_manual.pdf";//帮助文档路径
+    static const std::string helpfile_ = "/opt/apps/scanner-driver-cumtenn/doc/CumtennScan_scanSettings_Help_manual.pdf";//帮助文档路径
     #else
     static const std::string helpfile_ ="/opt/apps/scanner-driver-huagao/doc/HuaGoScan_scanSettings_Help_manual.pdf";//帮助文档路径
     #endif
@@ -519,7 +519,7 @@ public:
     #elif defined(OEM_LISICHENG)
     static const std::string helpfile_ = "LanxumScan_scanSettings_Help_manual.pdf";//帮助文档路径
 #elif defined(OEM_CANGTIAN)
-    static const std::string helpfile_ = "CumTennScan_scanSettings_Help_manual.pdf";//帮助文档路径
+    static const std::string helpfile_ = "CumtennScan_scanSettings_Help_manual.pdf";//帮助文档路径
     #else
     static const std::string helpfile_ = "HuaGoScan_scanSettings_Help_manual.pdf";//帮助文档路径
     #endif