diff --git a/src/setup/ibus-setup-chewing-window.c b/src/setup/ibus-setup-chewing-window.c
index 8bc3f57..c15b012 100644
--- a/src/setup/ibus-setup-chewing-window.c
+++ b/src/setup/ibus-setup-chewing-window.c
@@ -127,7 +127,7 @@ const gchar *sel_key_ids[] = {
 // clang-format on
 
 const gchar *chi_eng_mode_toggle_ids[] = {
-    "caps_lock", "shift", "shift_l", "shift_r", NULL,
+    "disable", "caps_lock", "shift", "shift_l", "shift_r", NULL,
 };
 
 const gchar *sync_caps_lock_ids[] = {
diff --git a/src/setup/ibus-setup-chewing-window.ui b/src/setup/ibus-setup-chewing-window.ui
index 1ec0e2f..391701e 100644
--- a/src/setup/ibus-setup-chewing-window.ui
+++ b/src/setup/ibus-setup-chewing-window.ui
@@ -160,6 +160,7 @@
                     <property name="model">
                       <object class="GtkStringList">
                         <items>
+                          <item translatable="yes">Disable</item>
                           <item translatable="yes">Caps Lock</item>
                           <item translatable="yes">Shift</item>
                           <item translatable="yes">Shift_L</item>
@@ -167,7 +168,7 @@
                         </items>
                       </object>
                     </property>
-                    <property name="selected">1</property>
+                    <property name="selected">2</property>
                   </object>
                 </child>
                 <child>
diff --git a/src/setup/org.freedesktop.IBus.Chewing.gschema.xml b/src/setup/org.freedesktop.IBus.Chewing.gschema.xml
index a385e86..f16c103 100644
--- a/src/setup/org.freedesktop.IBus.Chewing.gschema.xml
+++ b/src/setup/org.freedesktop.IBus.Chewing.gschema.xml
@@ -108,6 +108,7 @@
         </key>
         <key name="chi-eng-mode-toggle" type="s">
             <choices>
+                <choice value="disable"/>
                 <choice value="caps_lock"/>
                 <choice value="shift"/>
                 <choice value="shift_l"/>
@@ -116,7 +117,8 @@
             <default l10n="messages">"caps_lock"</default>
             <summary>Chinese/Alphanumeric Mode Toggle Key</summary>
             <description>
-</description>
+                Toggle Chinese/Alphanumeric mode with key
+            </description>
         </key>
         <key name="default-english-case" type="s">
             <choices>