diff --git a/components/Format.js b/components/Format.js
index 998e223b..3a09d073 100644
--- a/components/Format.js
+++ b/components/Format.js
@@ -1,5 +1,6 @@
 import lodash from 'lodash'
 import Elem from './common-lib/elem.js'
+import { Cfg } from '../components/index.js'
 
 let Format = {
   ...Elem,
@@ -9,7 +10,8 @@ let Format = {
   comma: function (num, fix = 0) {
     num = parseFloat((num * 1).toFixed(fix))
     let [integer, decimal] = String.prototype.split.call(num, '.')
-    integer = integer.replace(/\d(?=(\d{3})+$)/g, '$&,') // 正则先行断言
+    let re = new RegExp(`\\d(?=(\\d{${Cfg.get('commaGroup', 3)}})+$)`, 'g')
+    integer = integer.replace(re, '$&,') // 正则先行断言 = /\d(?=(\d{3})+$)/g
     return `${integer}${fix > 0 ? '.' + (decimal || lodash.repeat('0', fix)) : ''}`
   },
   pct: function (num, fix = 1) {
diff --git a/config/cfg_default.js b/config/cfg_default.js
index 16716bd1..c0b78c71 100644
--- a/config/cfg_default.js
+++ b/config/cfg_default.js
@@ -17,6 +17,9 @@ export const avatarWife = true
 // 戳一戳卡片
 export const avatarPoke = true
 
+// 数字分组
+export const commaGroup = 3
+
 /** ************ 【角色资料与信息查询】 ************* */
 // #刻晴图鉴 的图鉴信息
 export const charWiki = true
diff --git a/config/system/cfg_system.js b/config/system/cfg_system.js
index 096d3659..ec69aed3 100644
--- a/config/system/cfg_system.js
+++ b/config/system/cfg_system.js
@@ -47,7 +47,14 @@ export const cfgSchema = {
         key: '戳一戳',
         def: true,
         oldCfgKey: 'char.poke'
-      }
+      },
+      commaGroup: {
+        title: '数字逗号分组',
+        key: '逗号',
+        def: 3,
+        type: 'num',
+        desc: '根据语言习惯设置数字分组，如千位组设为 3，万位组设为 4。（暂不支持欧洲样式）'
+      },
     }
   },
   wiki: {