diff --git a/dist/hotkeys.common.js b/dist/hotkeys.common.js
index 51415021..64f0a34a 100644
--- a/dist/hotkeys.common.js
+++ b/dist/hotkeys.common.js
@@ -1,5 +1,5 @@
 /**! 
- * hotkeys-js v3.12.0 
+ * hotkeys-js v3.12.2 
  * A simple micro-library for defining and dispatching keyboard shortcuts. It has no dependencies. 
  * 
  * Copyright (c) 2023 kenny wong <wowohoo@qq.com> 
@@ -501,6 +501,7 @@ function hotkeys(key, option, method) {
     if (option.keydown !== undefined) keydown = option.keydown; // eslint-disable-line
     if (option.capture !== undefined) capture = option.capture; // eslint-disable-line
     if (typeof option.splitKey === 'string') splitKey = option.splitKey; // eslint-disable-line
+    if (option.singleton === true) ; // eslint-disable-line
   }
 
   if (typeof option === 'string') scope = option;
diff --git a/dist/hotkeys.common.min.js b/dist/hotkeys.common.min.js
index 5ff7002f..7b878e7f 100644
--- a/dist/hotkeys.common.min.js
+++ b/dist/hotkeys.common.min.js
@@ -1,2 +1,2 @@
-/*! hotkeys-js v3.12.0 | MIT © 2023 kenny wong <wowohoo@qq.com> https://jaywcjlove.github.io/hotkeys-js */
+/*! hotkeys-js v3.12.2 | MIT © 2023 kenny wong <wowohoo@qq.com> https://jaywcjlove.github.io/hotkeys-js */
 "use strict";var isff="undefined"!=typeof navigator&&0<navigator.userAgent.toLowerCase().indexOf("firefox");function addEvent(e,n,t,o){e.addEventListener?e.addEventListener(n,t,o):e.attachEvent&&e.attachEvent("on".concat(n),function(){t(window.event)})}function getMods(e,n){for(var t=n.slice(0,n.length-1),o=0;o<t.length;o++)t[o]=e[t[o].toLowerCase()];return t}function getKeys(e){for(var n=(e=(e="string"!=typeof e?"":e).replace(/\s/g,"")).split(","),t=n.lastIndexOf("");0<=t;)n[t-1]+=",",n.splice(t,1),t=n.lastIndexOf("");return n}function compareArray(e,n){for(var t=e.length<n.length?n:e,o=e.length<n.length?e:n,r=!0,s=0;s<t.length;s++)~o.indexOf(t[s])||(r=!1);return r}for(var _keyMap={backspace:8,"\u232b":8,tab:9,clear:12,enter:13,"\u21a9":13,return:13,esc:27,escape:27,space:32,left:37,up:38,right:39,down:40,del:46,delete:46,ins:45,insert:45,home:36,end:35,pageup:33,pagedown:34,capslock:20,num_0:96,num_1:97,num_2:98,num_3:99,num_4:100,num_5:101,num_6:102,num_7:103,num_8:104,num_9:105,num_multiply:106,num_add:107,num_enter:108,num_subtract:109,num_decimal:110,num_divide:111,"\u21ea":20,",":188,".":190,"/":191,"`":192,"-":isff?173:189,"=":isff?61:187,";":isff?59:186,"'":222,"[":219,"]":221,"\\":220},_modifier={"\u21e7":16,shift:16,"\u2325":18,alt:18,option:18,"\u2303":17,ctrl:17,control:17,"\u2318":91,cmd:91,command:91},modifierMap={16:"shiftKey",18:"altKey",17:"ctrlKey",91:"metaKey",shiftKey:16,ctrlKey:17,altKey:18,metaKey:91},_mods={16:!1,18:!1,17:!1,91:!1},_handlers={},k=1;k<20;k++)_keyMap["f".concat(k)]=111+k;var _downKeys=[],winListendFocus=!1,_scope="all",elementHasBindEvent=[],code=function(e){return _keyMap[e.toLowerCase()]||_modifier[e.toLowerCase()]||e.toUpperCase().charCodeAt(0)},getKey=function(n){return Object.keys(_keyMap).find(function(e){return _keyMap[e]===n})},getModifier=function(n){return Object.keys(_modifier).find(function(e){return _modifier[e]===n})};function setScope(e){_scope=e||"all"}function getScope(){return _scope||"all"}function getPressedKeyCodes(){return _downKeys.slice(0)}function getPressedKeyString(){return _downKeys.map(function(e){return getKey(e)||getModifier(e)||String.fromCharCode(e)})}function getAllKeyCodes(){var t=[];return Object.keys(_handlers).forEach(function(e){_handlers[e].forEach(function(e){var n=e.key;t.push({scope:e.scope,shortcut:e.shortcut,mods:e.mods,keys:n.split("+").map(function(e){return code(e)})})})}),t}function filter(e){var e=e.target||e.srcElement,n=e.tagName;return!e.isContentEditable&&("INPUT"!==n&&"TEXTAREA"!==n&&"SELECT"!==n||e.readOnly)?!0:!1}function isPressed(e){return"string"==typeof e&&(e=code(e)),!!~_downKeys.indexOf(e)}function deleteScope(e,n){var t,o,r;for(r in e=e||getScope(),_handlers)if(Object.prototype.hasOwnProperty.call(_handlers,r))for(t=_handlers[r],o=0;o<t.length;)t[o].scope===e?t.splice(o,1):o++;getScope()===e&&setScope(n||"all")}function clearModifier(e){var n=e.keyCode||e.which||e.charCode,t=_downKeys.indexOf(n);if(t<0||_downKeys.splice(t,1),e.key&&"meta"==e.key.toLowerCase()&&_downKeys.splice(0,_downKeys.length),(n=93!==n&&224!==n?n:91)in _mods)for(var o in _mods[n]=!1,_modifier)_modifier[o]===n&&(hotkeys[o]=!1)}function unbind(e){if(void 0===e)Object.keys(_handlers).forEach(function(e){return delete _handlers[e]});else if(Array.isArray(e))e.forEach(function(e){e.key&&eachUnbind(e)});else if("object"==typeof e)e.key&&eachUnbind(e);else if("string"==typeof e){for(var n=arguments.length,t=Array(1<n?n-1:0),o=1;o<n;o++)t[o-1]=arguments[o];var r=t[0],s=t[1];"function"==typeof r&&(s=r,r=""),eachUnbind({key:e,scope:r,method:s,splitKey:"+"})}}var eachUnbind=function(e){var r=e.scope,s=e.method,n=e.splitKey,i=void 0===n?"+":n;getKeys(e.key).forEach(function(e){var n,e=e.split(i),t=e.length,o=e[t-1],o="*"===o?"*":code(o);_handlers[o]&&(r=r||getScope(),n=1<t?getMods(_modifier,e):[],_handlers[o]=_handlers[o].filter(function(e){return!((!s||e.method===s)&&e.scope===r&&compareArray(e.mods,n))}))})};function eventHandler(e,n,t,o){var r;if(n.element===o&&(n.scope===t||"all"===n.scope)){for(var s in r=0<n.mods.length,_mods)Object.prototype.hasOwnProperty.call(_mods,s)&&(!_mods[s]&&~n.mods.indexOf(+s)||_mods[s]&&!~n.mods.indexOf(+s))&&(r=!1);(0!==n.mods.length||_mods[16]||_mods[18]||_mods[17]||_mods[91])&&!r&&"*"!==n.shortcut||(n.keys=[],n.keys=n.keys.concat(_downKeys),!1===n.method(e,n)&&(e.preventDefault?e.preventDefault():e.returnValue=!1,e.stopPropagation&&e.stopPropagation(),e.cancelBubble)&&(e.cancelBubble=!0))}}function dispatch(t,e){var n=_handlers["*"],o=t.keyCode||t.which||t.charCode;if(hotkeys.filter.call(this,t)){if(~_downKeys.indexOf(o=93!==o&&224!==o?o:91)||229===o||_downKeys.push(o),["ctrlKey","altKey","shiftKey","metaKey"].forEach(function(e){var n=modifierMap[e];t[e]&&!~_downKeys.indexOf(n)?_downKeys.push(n):!t[e]&&~_downKeys.indexOf(n)?_downKeys.splice(_downKeys.indexOf(n),1):"metaKey"!==e||!t[e]||3!==_downKeys.length||t.ctrlKey||t.shiftKey||t.altKey||(_downKeys=_downKeys.slice(_downKeys.indexOf(n)))}),o in _mods){for(var r in _mods[o]=!0,_modifier)_modifier[r]===o&&(hotkeys[r]=!0);if(!n)return}for(var s in _mods)Object.prototype.hasOwnProperty.call(_mods,s)&&(_mods[s]=t[modifierMap[s]]);t.getModifierState&&(!t.altKey||t.ctrlKey)&&t.getModifierState("AltGraph")&&(~_downKeys.indexOf(17)||_downKeys.push(17),~_downKeys.indexOf(18)||_downKeys.push(18),_mods[17]=!0,_mods[18]=!0);var i=getScope();if(n)for(var d=0;d<n.length;d++)n[d].scope===i&&("keydown"===t.type&&n[d].keydown||"keyup"===t.type&&n[d].keyup)&&eventHandler(t,n[d],i,e);if(o in _handlers)for(var a=0;a<_handlers[o].length;a++)if(("keydown"===t.type&&_handlers[o][a].keydown||"keyup"===t.type&&_handlers[o][a].keyup)&&_handlers[o][a].key){for(var c=_handlers[o][a],f=c.key.split(c.splitKey),l=[],y=0;y<f.length;y++)l.push(code(f[y]));l.sort().join("")===_downKeys.sort().join("")&&eventHandler(t,c,i,e)}}}function isElementBind(e){return!!~elementHasBindEvent.indexOf(e)}function hotkeys(e,n,t){_downKeys=[];var o=getKeys(e),r=[],s="all",i=document,d=0,a=!1,c=!0,f="+",l=!1;for(void 0===t&&"function"==typeof n&&(t=n),"[object Object]"===Object.prototype.toString.call(n)&&(n.scope&&(s=n.scope),n.element&&(i=n.element),n.keyup&&(a=n.keyup),void 0!==n.keydown&&(c=n.keydown),void 0!==n.capture&&(l=n.capture),"string"==typeof n.splitKey)&&(f=n.splitKey),"string"==typeof n&&(s=n);d<o.length;d++)r=[],1<(e=o[d].split(f)).length&&(r=getMods(_modifier,e)),(e="*"===(e=e[e.length-1])?"*":code(e))in _handlers||(_handlers[e]=[]),_handlers[e].push({keyup:a,keydown:c,scope:s,mods:r,shortcut:o[d],method:t,key:o[d],splitKey:f,element:i});void 0!==i&&!isElementBind(i)&&window&&(elementHasBindEvent.push(i),addEvent(i,"keydown",function(e){dispatch(e,i)},l),winListendFocus||(winListendFocus=!0,addEvent(window,"focus",function(){_downKeys=[]},l)),addEvent(i,"keyup",function(e){dispatch(e,i),clearModifier(e)},l))}function trigger(n){var t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:"all";Object.keys(_handlers).forEach(function(e){_handlers[e].filter(function(e){return e.scope===t&&e.shortcut===n}).forEach(function(e){e&&e.method&&e.method()})})}var a,_hotkeys,_api={getPressedKeyString:getPressedKeyString,setScope:setScope,getScope:getScope,deleteScope:deleteScope,getPressedKeyCodes:getPressedKeyCodes,getAllKeyCodes:getAllKeyCodes,isPressed:isPressed,filter:filter,trigger:trigger,unbind:unbind,keyMap:_keyMap,modifier:_modifier,modifierMap:modifierMap};for(a in _api)Object.prototype.hasOwnProperty.call(_api,a)&&(hotkeys[a]=_api[a]);"undefined"!=typeof window&&(_hotkeys=window.hotkeys,hotkeys.noConflict=function(e){return e&&window.hotkeys===hotkeys&&(window.hotkeys=_hotkeys),hotkeys},window.hotkeys=hotkeys),module.exports=hotkeys;
\ No newline at end of file
diff --git a/dist/hotkeys.esm.js b/dist/hotkeys.esm.js
index a5302bd5..303c3059 100644
--- a/dist/hotkeys.esm.js
+++ b/dist/hotkeys.esm.js
@@ -1,5 +1,5 @@
 /**! 
- * hotkeys-js v3.12.0 
+ * hotkeys-js v3.12.2 
  * A simple micro-library for defining and dispatching keyboard shortcuts. It has no dependencies. 
  * 
  * Copyright (c) 2023 kenny wong <wowohoo@qq.com> 
@@ -499,6 +499,7 @@ function hotkeys(key, option, method) {
     if (option.keydown !== undefined) keydown = option.keydown; // eslint-disable-line
     if (option.capture !== undefined) capture = option.capture; // eslint-disable-line
     if (typeof option.splitKey === 'string') splitKey = option.splitKey; // eslint-disable-line
+    if (option.singleton === true) ; // eslint-disable-line
   }
 
   if (typeof option === 'string') scope = option;
diff --git a/dist/hotkeys.js b/dist/hotkeys.js
index 23c12b31..7c333a2a 100644
--- a/dist/hotkeys.js
+++ b/dist/hotkeys.js
@@ -1,5 +1,5 @@
 /**! 
- * hotkeys-js v3.12.0 
+ * hotkeys-js v3.12.2 
  * A simple micro-library for defining and dispatching keyboard shortcuts. It has no dependencies. 
  * 
  * Copyright (c) 2023 kenny wong <wowohoo@qq.com> 
@@ -505,6 +505,7 @@
       if (option.keydown !== undefined) keydown = option.keydown; // eslint-disable-line
       if (option.capture !== undefined) capture = option.capture; // eslint-disable-line
       if (typeof option.splitKey === 'string') splitKey = option.splitKey; // eslint-disable-line
+      if (option.singleton === true) ; // eslint-disable-line
     }
 
     if (typeof option === 'string') scope = option;
diff --git a/dist/hotkeys.min.js b/dist/hotkeys.min.js
index 47b5ac7f..68379a49 100644
--- a/dist/hotkeys.min.js
+++ b/dist/hotkeys.min.js
@@ -1,2 +1,2 @@
-/*! hotkeys-js v3.12.0 | MIT © 2023 kenny wong <wowohoo@qq.com> https://jaywcjlove.github.io/hotkeys-js */
+/*! hotkeys-js v3.12.2 | MIT © 2023 kenny wong <wowohoo@qq.com> https://jaywcjlove.github.io/hotkeys-js */
 !function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self).hotkeys=t()}(this,function(){"use strict";var e="undefined"!=typeof navigator&&0<navigator.userAgent.toLowerCase().indexOf("firefox");function p(e,t,n,o){e.addEventListener?e.addEventListener(t,n,o):e.attachEvent&&e.attachEvent("on".concat(t),function(){n(window.event)})}function d(e,t){for(var n=t.slice(0,t.length-1),o=0;o<n.length;o++)n[o]=e[n[o].toLowerCase()];return n}function y(e){for(var t=(e=(e="string"!=typeof e?"":e).replace(/\s/g,"")).split(","),n=t.lastIndexOf("");0<=n;)t[n-1]+=",",t.splice(n,1),n=t.lastIndexOf("");return t}for(var o={backspace:8,"\u232b":8,tab:9,clear:12,enter:13,"\u21a9":13,return:13,esc:27,escape:27,space:32,left:37,up:38,right:39,down:40,del:46,delete:46,ins:45,insert:45,home:36,end:35,pageup:33,pagedown:34,capslock:20,num_0:96,num_1:97,num_2:98,num_3:99,num_4:100,num_5:101,num_6:102,num_7:103,num_8:104,num_9:105,num_multiply:106,num_add:107,num_enter:108,num_subtract:109,num_decimal:110,num_divide:111,"\u21ea":20,",":188,".":190,"/":191,"`":192,"-":e?173:189,"=":e?61:187,";":e?59:186,"'":222,"[":219,"]":221,"\\":220},h={"\u21e7":16,shift:16,"\u2325":18,alt:18,option:18,"\u2303":17,ctrl:17,control:17,"\u2318":91,cmd:91,command:91},m={16:"shiftKey",18:"altKey",17:"ctrlKey",91:"metaKey",shiftKey:16,ctrlKey:17,altKey:18,metaKey:91},g={16:!1,18:!1,17:!1,91:!1},v={},t=1;t<20;t++)o["f".concat(t)]=111+t;var k=[],w=!1,n="all",O=[],K=function(e){return o[e.toLowerCase()]||h[e.toLowerCase()]||e.toUpperCase().charCodeAt(0)};function i(e){n=e||"all"}function b(){return n||"all"}function c(e){var r=e.scope,i=e.method,t=e.splitKey,c=void 0===t?"+":t;y(e.key).forEach(function(e){var t,e=e.split(c),n=e.length,o=e[n-1],o="*"===o?"*":K(o);v[o]&&(r=r||b(),t=1<n?d(h,e):[],v[o]=v[o].filter(function(e){return!((!i||e.method===i)&&e.scope===r&&function(e,t){for(var n=e.length<t.length?t:e,o=e.length<t.length?e:t,r=!0,i=0;i<n.length;i++)~o.indexOf(n[i])||(r=!1);return r}(e.mods,t))}))})}function x(e,t,n,o){var r;if(t.element===o&&(t.scope===n||"all"===t.scope)){for(var i in r=0<t.mods.length,g)Object.prototype.hasOwnProperty.call(g,i)&&(!g[i]&&~t.mods.indexOf(+i)||g[i]&&!~t.mods.indexOf(+i))&&(r=!1);(0!==t.mods.length||g[16]||g[18]||g[17]||g[91])&&!r&&"*"!==t.shortcut||(t.keys=[],t.keys=t.keys.concat(k),!1===t.method(e,t)&&(e.preventDefault?e.preventDefault():e.returnValue=!1,e.stopPropagation&&e.stopPropagation(),e.cancelBubble)&&(e.cancelBubble=!0))}}function C(n,e){var t=v["*"],o=n.keyCode||n.which||n.charCode;if(E.filter.call(this,n)){if(~k.indexOf(o=93!==o&&224!==o?o:91)||229===o||k.push(o),["ctrlKey","altKey","shiftKey","metaKey"].forEach(function(e){var t=m[e];n[e]&&!~k.indexOf(t)?k.push(t):!n[e]&&~k.indexOf(t)?k.splice(k.indexOf(t),1):"metaKey"!==e||!n[e]||3!==k.length||n.ctrlKey||n.shiftKey||n.altKey||(k=k.slice(k.indexOf(t)))}),o in g){for(var r in g[o]=!0,h)h[r]===o&&(E[r]=!0);if(!t)return}for(var i in g)Object.prototype.hasOwnProperty.call(g,i)&&(g[i]=n[m[i]]);n.getModifierState&&(!n.altKey||n.ctrlKey)&&n.getModifierState("AltGraph")&&(~k.indexOf(17)||k.push(17),~k.indexOf(18)||k.push(18),g[17]=!0,g[18]=!0);var c=b();if(t)for(var f=0;f<t.length;f++)t[f].scope===c&&("keydown"===n.type&&t[f].keydown||"keyup"===n.type&&t[f].keyup)&&x(n,t[f],c,e);if(o in v)for(var a=0;a<v[o].length;a++)if(("keydown"===n.type&&v[o][a].keydown||"keyup"===n.type&&v[o][a].keyup)&&v[o][a].key){for(var s=v[o][a],l=s.key.split(s.splitKey),u=[],p=0;p<l.length;p++)u.push(K(l[p]));u.sort().join("")===k.sort().join("")&&x(n,s,c,e)}}}function E(e,t,n){k=[];var o=y(e),r=[],i="all",c=document,f=0,a=!1,s=!0,l="+",u=!1;for(void 0===n&&"function"==typeof t&&(n=t),"[object Object]"===Object.prototype.toString.call(t)&&(t.scope&&(i=t.scope),t.element&&(c=t.element),t.keyup&&(a=t.keyup),void 0!==t.keydown&&(s=t.keydown),void 0!==t.capture&&(u=t.capture),"string"==typeof t.splitKey)&&(l=t.splitKey),"string"==typeof t&&(i=t);f<o.length;f++)r=[],1<(e=o[f].split(l)).length&&(r=d(h,e)),(e="*"===(e=e[e.length-1])?"*":K(e))in v||(v[e]=[]),v[e].push({keyup:a,keydown:s,scope:i,mods:r,shortcut:o[f],method:n,key:o[f],splitKey:l,element:c});void 0!==c&&(t=c,!~O.indexOf(t))&&window&&(O.push(c),p(c,"keydown",function(e){C(e,c)},u),w||(w=!0,p(window,"focus",function(){k=[]},u)),p(c,"keyup",function(e){C(e,c);var t=e.keyCode||e.which||e.charCode,n=k.indexOf(t);if(n<0||k.splice(n,1),e.key&&"meta"==e.key.toLowerCase()&&k.splice(0,k.length),(t=93!==t&&224!==t?t:91)in g)for(var o in g[t]=!1,h)h[o]===t&&(E[o]=!1)},u))}var r,f,a={getPressedKeyString:function(){return k.map(function(e){return n=e,Object.keys(o).find(function(e){return o[e]===n})||(t=e,Object.keys(h).find(function(e){return h[e]===t}))||String.fromCharCode(e);var t,n})},setScope:i,getScope:b,deleteScope:function(e,t){var n,o,r;for(r in e=e||b(),v)if(Object.prototype.hasOwnProperty.call(v,r))for(n=v[r],o=0;o<n.length;)n[o].scope===e?n.splice(o,1):o++;b()===e&&i(t||"all")},getPressedKeyCodes:function(){return k.slice(0)},getAllKeyCodes:function(){var n=[];return Object.keys(v).forEach(function(e){v[e].forEach(function(e){var t=e.key;n.push({scope:e.scope,shortcut:e.shortcut,mods:e.mods,keys:t.split("+").map(function(e){return K(e)})})})}),n},isPressed:function(e){return"string"==typeof e&&(e=K(e)),!!~k.indexOf(e)},filter:function(e){var t=(e=e.target||e.srcElement).tagName;return!e.isContentEditable&&("INPUT"!==t&&"TEXTAREA"!==t&&"SELECT"!==t||e.readOnly)?!0:!1},trigger:function(t){var n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:"all";Object.keys(v).forEach(function(e){v[e].filter(function(e){return e.scope===n&&e.shortcut===t}).forEach(function(e){e&&e.method&&e.method()})})},unbind:function(e){if(void 0===e)Object.keys(v).forEach(function(e){return delete v[e]});else if(Array.isArray(e))e.forEach(function(e){e.key&&c(e)});else if("object"==typeof e)e.key&&c(e);else if("string"==typeof e){for(var t=arguments.length,n=Array(1<t?t-1:0),o=1;o<t;o++)n[o-1]=arguments[o];var r=n[0],i=n[1];"function"==typeof r&&(i=r,r=""),c({key:e,scope:r,method:i,splitKey:"+"})}},keyMap:o,modifier:h,modifierMap:m};for(r in a)Object.prototype.hasOwnProperty.call(a,r)&&(E[r]=a[r]);return"undefined"!=typeof window&&(f=window.hotkeys,E.noConflict=function(e){return e&&window.hotkeys===E&&(window.hotkeys=f),E},window.hotkeys=E),E});
\ No newline at end of file
diff --git a/index.d.ts b/index.d.ts
index 298839b2..2a6651ca 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -18,6 +18,7 @@ type Options = {
   keydown?: boolean | null;
   capture?: boolean
   splitKey?: string;
+  single?: boolean;
 }
 
 export interface Hotkeys {
@@ -39,7 +40,7 @@ export interface Hotkeys {
 
   /**
    * Use the `hotkeys.setScope` method to set scope. There can only be one active scope besides 'all'.  By default 'all' is always active.
-   * 
+   *
    * ```js
    * // Define shortcuts with a scope
    * hotkeys('ctrl+o, ctrl+alt+enter', 'issues', function() {
@@ -48,7 +49,7 @@ export interface Hotkeys {
    * hotkeys('o, enter', 'files', function() {
    *   console.log('do something else');
    * });
-   * 
+   *
    * // Set the scope (only 'all' and 'issues' shortcuts will be honored)
    * hotkeys.setScope('issues'); // default scope is 'all'
    * ```
@@ -56,7 +57,7 @@ export interface Hotkeys {
   setScope(scopeName: string): void;
   /**
    * Use the `hotkeys.getScope` method to get scope.
-   * 
+   *
    * ```js
    * hotkeys.getScope();
    * ```
@@ -64,12 +65,12 @@ export interface Hotkeys {
   getScope(): string;
   /**
    * Use the `hotkeys.deleteScope` method to delete a scope. This will also remove all associated hotkeys with it.
-   * 
+   *
    * ```js
    * hotkeys.deleteScope('issues');
    * ```
    * You can use second argument, if need set new scope after deleting.
-   * 
+   *
    * ```js
    * hotkeys.deleteScope('issues', 'newScopeName');
    * ```
@@ -78,13 +79,13 @@ export interface Hotkeys {
 
   /**
    * Relinquish HotKeys’s control of the `hotkeys` variable.
-   * 
+   *
    * ```js
    * var k = hotkeys.noConflict();
    * k('a', function() {
    *   console.log("do something")
    * });
-   * 
+   *
    * hotkeys()
    * // -->Uncaught TypeError: hotkeys is not a function(anonymous function)
    * // @ VM2170:2InjectedScript._evaluateOn
@@ -96,7 +97,7 @@ export interface Hotkeys {
 
   /**
    * trigger shortcut key event
-   * 
+   *
    * ```js
    * hotkeys.trigger('ctrl+o');
    * hotkeys.trigger('ctrl+o', 'scope2');
@@ -115,7 +116,7 @@ export interface Hotkeys {
   isPressed(keyCode: string): boolean;
   /**
    * Returns an array of key codes currently pressed.
-   * 
+   *
    * ```js
    * hotkeys('command+ctrl+shift+a,f', function() {
    *   console.log(hotkeys.getPressedKeyCodes()); //=> [17, 65] or [70]
@@ -125,7 +126,7 @@ export interface Hotkeys {
   getPressedKeyCodes(): number[];
   /**
    * Returns an array of key codes currently pressed.
-   * 
+   *
    * ```js
    * hotkeys('command+ctrl+shift+a,f', function() {
    *   console.log(hotkeys.getPressedKeyString()); //=> ['⌘', '⌃', '⇧', 'A', 'F']
@@ -135,7 +136,7 @@ export interface Hotkeys {
   getPressedKeyString(): string[];
   /**
    * Get a list of all registration codes.
-   * 
+   *
    * ```js
    * hotkeys('command+ctrl+shift+a,f', function() {
    *   console.log(hotkeys.getAllKeyCodes());
@@ -145,7 +146,7 @@ export interface Hotkeys {
    *   // ]
    * })
    * ```
-   * 
+   *
    */
   getAllKeyCodes(): Omit<HotkeysEvent, 'method' | 'key'>;
 
@@ -153,7 +154,7 @@ export interface Hotkeys {
    * By default hotkeys are not enabled for `INPUT` `SELECT` `TEXTAREA` elements.
    * `Hotkeys.filter` to return to the `true` shortcut keys set to play a role,
    * `false` shortcut keys set up failure.
-   * 
+   *
    * ```js
    * hotkeys.filter = function(event){
    *   return true;
@@ -165,7 +166,7 @@ export interface Hotkeys {
    *   var tagName = target.tagName;
    *   return !(target.isContentEditable || tagName == 'INPUT' || tagName == 'SELECT' || tagName == 'TEXTAREA');
    * }
-   * 
+   *
    * hotkeys.filter = function(event){
    *   var tagName = (event.target || event.srcElement).tagName;
    *   hotkeys.setScope(/^(INPUT|TEXTAREA|SELECT)$/.test(tagName) ? 'input' : 'other');
diff --git a/package-lock.json b/package-lock.json
index f3a78b4d..0b22b7f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "hotkeys-js",
-  "version": "3.11.2",
+  "version": "3.12.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "hotkeys-js",
-      "version": "3.11.2",
+      "version": "3.12.2",
       "license": "MIT",
       "devDependencies": {
         "@babel/eslint-parser": "^7.18.9",
@@ -39,6 +39,9 @@
         "rimraf": "^5.0.1",
         "rollup": "^3.26.2",
         "uglify-js": "^3.17.4"
+      },
+      "funding": {
+        "url": "https://jaywcjlove.github.io/#/sponsor"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
diff --git a/src/index.js b/src/index.js
index 922c82f3..4055f864 100644
--- a/src/index.js
+++ b/src/index.js
@@ -350,6 +350,7 @@ function hotkeys(key, option, method) {
   let keydown = true;
   let splitKey = '+';
   let capture = false;
+  let single = false; // 单个callback
 
   // 对为设定范围的判断
   if (method === undefined && typeof option === 'function') {
@@ -363,6 +364,7 @@ function hotkeys(key, option, method) {
     if (option.keydown !== undefined) keydown = option.keydown; // eslint-disable-line
     if (option.capture !== undefined) capture = option.capture; // eslint-disable-line
     if (typeof option.splitKey === 'string') splitKey = option.splitKey; // eslint-disable-line
+    if (option.single === true) single = true; // eslint-disable-line
   }
 
   if (typeof option === 'string') scope = option;
@@ -381,6 +383,9 @@ function hotkeys(key, option, method) {
 
     // 判断key是否在_handlers中，不在就赋一个空数组
     if (!(key in _handlers)) _handlers[key] = [];
+    // 如果只允许单个callback，重新设置_handlers
+    if (single) _handlers[key] = [];
+
     _handlers[key].push({
       keyup,
       keydown,