diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..a6ec1ac
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,40 @@
+* text=auto
+
+*.S text
+*.asm text
+*.c text
+*.cc text
+*.cpp text
+*.cxx text
+*.h text
+*.htm text
+*.html text
+*.in text
+*.ld text
+*.m4 text
+*.mak text
+*.mk text
+*.py text
+*.rb text
+*.s text
+*.sct text
+*.sh text
+*.txt text
+*.xml text
+Makefile text
+AUTHORS text
+COPYING text
+
+*.LZO -text
+*.Opt -text
+*.Uv2 -text
+*.ewp -text
+*.eww -text
+*.vcproj -text
+*.bat -text
+*.dos -text
+*.icf -text
+*.inf -text
+*.ini -text
+*.sct -text
+*.xsd -text
diff --git a/FreeModbus 主机分析图.vsd b/FreeModbus 主机分析图.vsd
index 7291f61..4c59adb 100644
Binary files a/FreeModbus 主机分析图.vsd and b/FreeModbus 主机分析图.vsd differ
diff --git a/FreeModbus/modbus/include/mb.h b/FreeModbus/modbus/include/mb.h
index a29aa55..db1a4fb 100644
--- a/FreeModbus/modbus/include/mb.h
+++ b/FreeModbus/modbus/include/mb.h
@@ -322,9 +322,6 @@ eMBErrorCode    eMBRegisterCB( UCHAR ucFunctionCode,
  */
 eMBErrorCode    eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress,
                                USHORT usNRegs );
-/*  This callback function will be use in Modbus Master mode.*/
-eMBErrorCode    eMBRegMasterInputCB( UCHAR * pucRegBuffer, USHORT usAddress,
-                               USHORT usNRegs );
 
 /*! \ingroup modbus_registers
  * \brief Callback function used if a <em>Holding Register</em> value is
@@ -360,9 +357,6 @@ eMBErrorCode    eMBRegMasterInputCB( UCHAR * pucRegBuffer, USHORT usAddress,
  */
 eMBErrorCode    eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress,
                                  USHORT usNRegs, eMBRegisterMode eMode );
-/*  This callback function will be use in Modbus Master mode.*/
-eMBErrorCode    eMBMasterRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress,
-                                 USHORT usNRegs, eMBRegisterMode eMode );
 
 /*! \ingroup modbus_registers
  * \brief Callback function used if a <em>Coil Register</em> value is
@@ -398,9 +392,6 @@ eMBErrorCode    eMBMasterRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress,
  */
 eMBErrorCode    eMBRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress,
                                USHORT usNCoils, eMBRegisterMode eMode );
-/*  This callback function will be use in Modbus Master mode.*/
-eMBErrorCode    eMBMasterRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress,
-                               USHORT usNCoils, eMBRegisterMode eMode );
 
 /*! \ingroup modbus_registers
  * \brief Callback function used if a <em>Input Discrete Register</em> value is
@@ -430,9 +421,6 @@ eMBErrorCode    eMBMasterRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress,
  */
 eMBErrorCode    eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress,
                                   USHORT usNDiscrete );
-/*  This callback function will be use in Modbus Master mode.*/
-eMBErrorCode    eMBMasterRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress,
-                                  USHORT usNDiscrete );
 
 #ifdef __cplusplus
 PR_END_EXTERN_C