diff --git a/app/scanner/hg_settingdialog.cpp b/app/scanner/hg_settingdialog.cpp
index 46a9e9d3..26dce742 100644
--- a/app/scanner/hg_settingdialog.cpp
+++ b/app/scanner/hg_settingdialog.cpp
@@ -599,26 +599,26 @@ void hg_settingdialog::createUI()
         if (0 == strcmp(opt->name, "tl-x"))
         {
             m_cutLeftId = i + 1;
-            m_cutLeftValue = m_list_defaultOptions.at(i).second.toInt();
+            m_cutLeftValue = SANE_UNFIX(m_list_defaultOptions.at(i).second.toInt());
             if (opt->constraint_type == SANE_CONSTRAINT_RANGE)
-                m_cutWidth = opt->constraint.range->max;
+                m_cutWidth = SANE_UNFIX(opt->constraint.range->max);
         }
         else if (0 == strcmp(opt->name, "tl-y"))
         {
             m_cutTopId = i + 1;
-            m_cutTopValue = m_list_defaultOptions.at(i).second.toInt();
+            m_cutTopValue = SANE_UNFIX(m_list_defaultOptions.at(i).second.toInt());
             if (opt->constraint_type == SANE_CONSTRAINT_RANGE)
-                m_cutHeight = opt->constraint.range->max;
+                m_cutHeight = SANE_UNFIX(opt->constraint.range->max);
         }
         else if (0 == strcmp(opt->name, "br-x"))
         {
             m_cutRightId = i + 1;
-            m_cutRightValue = m_list_defaultOptions.at(i).second.toInt();
+            m_cutRightValue = SANE_UNFIX(m_list_defaultOptions.at(i).second.toInt());
         }
         else if (0 == strcmp(opt->name, "br-y"))
         {
             m_cutBottomId = i + 1;
-            m_cutBottomValue = m_list_defaultOptions.at(i).second.toInt();
+            m_cutBottomValue = SANE_UNFIX(m_list_defaultOptions.at(i).second.toInt());
         }
 
         if (Utf8ToStdString(opt->title) == "分辨率")
@@ -637,13 +637,13 @@ void hg_settingdialog::createUI()
             m_colorModeValue = m_list_defaultOptions.at(i).second.toString();
         }
 
-        if (Utf8ToStdString(opt->title) == "伽玛")
+        if (Utf8ToStdString(opt->title) == "伽玛" || Utf8ToStdString(opt->title) == "伽玛值")
         {
             unsigned int len = sizeof(SANE_Gamma);
             sane_io_control(m_handle, IO_CTRL_CODE_GET_CUSTOM_GAMMA, &m_gammaData, &len);
 
             QPushButton* pushButton = new QPushButton(this);
-            pushButton->setText(StdStringToUtf8("伽马设置").c_str());
+            pushButton->setText(StdStringToUtf8("自定义色调曲线").c_str());
             pushButton->setFixedWidth(120);
             widget->layout()->addWidget(pushButton);
 
@@ -967,10 +967,14 @@ void hg_settingdialog::slot_cutButtonClicked()
         m_cutBottomValue = rcRet.bottom() / (0.03937 * m_dpiValue);
 
         SANE_Int info;
-        sane_control_option(m_handle, m_cutLeftId, SANE_ACTION_SET_VALUE, &m_cutLeftValue, &info);
-        sane_control_option(m_handle, m_cutTopId, SANE_ACTION_SET_VALUE, &m_cutTopValue, &info);
-        sane_control_option(m_handle, m_cutRightId, SANE_ACTION_SET_VALUE, &m_cutRightValue, &info);
-        sane_control_option(m_handle, m_cutBottomId, SANE_ACTION_SET_VALUE, &m_cutBottomValue, &info);
+        SANE_Word value = SANE_FIX(m_cutLeftValue);
+        sane_control_option(m_handle, m_cutLeftId, SANE_ACTION_SET_VALUE, &value, &info);
+        value = SANE_FIX(m_cutTopValue);
+        sane_control_option(m_handle, m_cutTopId, SANE_ACTION_SET_VALUE, &value, &info);
+        value = SANE_FIX(m_cutRightValue);
+        sane_control_option(m_handle, m_cutRightId, SANE_ACTION_SET_VALUE, &value, &info);
+        value = SANE_FIX(m_cutBottomValue);
+        sane_control_option(m_handle, m_cutBottomId, SANE_ACTION_SET_VALUE, &value, &info);
     }
 }
 
diff --git a/app/scanner/hg_settingdialog.h b/app/scanner/hg_settingdialog.h
index b7a3799d..c05c7547 100644
--- a/app/scanner/hg_settingdialog.h
+++ b/app/scanner/hg_settingdialog.h
@@ -117,12 +117,12 @@ private:
     int m_cutTopId;
     int m_cutRightId;
     int m_cutBottomId;
-    int m_cutWidth; // 单位是毫米
-    int m_cutHeight; // 单位是毫米
-    int m_cutLeftValue; // 单位是毫米
-    int m_cutTopValue; // 单位是毫米
-    int m_cutRightValue; // 单位是毫米
-    int m_cutBottomValue; // 单位是毫米
+    double m_cutWidth; // 单位是毫米
+    double m_cutHeight; // 单位是毫米
+    double m_cutLeftValue; // 单位是毫米
+    double m_cutTopValue; // 单位是毫米
+    double m_cutRightValue; // 单位是毫米
+    double m_cutBottomValue; // 单位是毫米
 
     int m_colorModeId;
     QString m_colorModeValue;