diff --git a/src/lang/en.ts b/src/lang/en.ts
index 6196f4bc..dd11fe9e 100644
--- a/src/lang/en.ts
+++ b/src/lang/en.ts
@@ -128,6 +128,7 @@ export const languageEnglish = {
         useRegexLorebook: "If enabled, it will use regex for lorebook search, instead of string matching. it uses /regex/flags format.",
         customChainOfThought: "Warning: chain of thought toggle is no longer recommended to use. put chain of thought prompt in other prompt entries instead.",
         customPromptTemplateToggle: "Here you can define your own prompt toggles. use `<toggle variable>=<toggle name>` format, seperated by newline. for example, `cot=Toggle COT`. you can use these toggles in prompt by using `{{getglobalvar::toggle_<toggle variable>}}`. like `{{getglobalvar::toggle_cot}}`.",
+        defaultVariables: "Here you can define your own default variables. use `<variable name>=<variable value>` format, seperated by newline. for example, `name=RisuAI`, which then can be used with trigger scripts and variables CBS like `{{getvar::A}}`, `{{setvar::A::B}}` or `{{? $A + 1}}`. if prompt template's default variable and character's default variable has same name, character's default variable will be used.",
     },
     setup: {
         chooseProvider: "Choose AI Provider",
@@ -611,4 +612,5 @@ export const languageEnglish = {
     nickname: "Nickname",
     useRegexLorebook: "Use Regex",
     customPromptTemplateToggle: "Custom Toggles",
+    defaultVariables: "Default Variables"
 }
\ No newline at end of file
diff --git a/src/lib/Setting/Pages/PromptSettings.svelte b/src/lib/Setting/Pages/PromptSettings.svelte
index 82daa42b..eb655985 100644
--- a/src/lib/Setting/Pages/PromptSettings.svelte
+++ b/src/lib/Setting/Pages/PromptSettings.svelte
@@ -120,4 +120,6 @@
     <NumberInput bind:value={$DataBase.promptSettings.maxThoughtTagDepth}/>
     <span class="text-textcolor mt-4">{language.customPromptTemplateToggle} <Help key='customPromptTemplateToggle' /></span>
     <TextAreaInput bind:value={$DataBase.customPromptTemplateToggle}/>
+    <span class="text-textcolor mt-4">{language.defaultVariables} <Help key='defaultVariables' /></span>
+    <TextAreaInput bind:value={$DataBase.templateDefaultVariables}/>
 {/if}
\ No newline at end of file
diff --git a/src/lib/SideBars/CharConfig.svelte b/src/lib/SideBars/CharConfig.svelte
index e292f011..c691898d 100644
--- a/src/lib/SideBars/CharConfig.svelte
+++ b/src/lib/SideBars/CharConfig.svelte
@@ -254,6 +254,7 @@
             }} />
         </div>
     {/each}
+
     
     {#if $DataBase.supaMemoryType !== 'none' || $DataBase.hanuraiEnable}
         {#if $DataBase.hanuraiEnable}
@@ -764,6 +765,9 @@
         <span class="text-textcolor mt-2">{language.backgroundHTML} <Help key="backgroundHTML" /></span>
         <TextAreaInput highlight margin="both" autocomplete="off" bind:value={currentChar.data.backgroundHTML}></TextAreaInput>
 
+        <span class="text-textcolor mt-2">{language.defaultVariables} <Help key="defaultVariables" /></span>
+        <TextAreaInput highlight margin="both" autocomplete="off" bind:value={currentChar.data.defaultVariables}></TextAreaInput>
+
         <span class="text-textcolor">{language.creator}</span>
         <TextInput size="sm" autocomplete="off" bind:value={currentChar.data.additionalData.creator} />
 
diff --git a/src/ts/parser.ts b/src/ts/parser.ts
index 02600576..bf1d2502 100644
--- a/src/ts/parser.ts
+++ b/src/ts/parser.ts
@@ -9,7 +9,7 @@ import { get } from 'svelte/store';
 import css from '@adobe/css-tools'
 import { selectedCharID } from './stores';
 import { calcString } from './process/infunctions';
-import { findCharacterbyId, sfc32, uuidtoNumber } from './util';
+import { findCharacterbyId, parseKeyValue, sfc32, uuidtoNumber } from './util';
 import { getInlayImage } from './process/files/image';
 import { autoMarkNew } from './plugins/automark';
 import { getModuleLorebooks } from './process/modules';
@@ -1461,7 +1461,18 @@ export function getChatVar(key:string){
     }
     const chat = char.chats[char.chatPage]
     chat.scriptstate = chat.scriptstate ?? {}
-    return (chat.scriptstate['$' + key])?.toString() ?? 'null'
+    const state = (chat.scriptstate['$' + key])
+    if(state === undefined || state === null){
+        const defaultVariables = parseKeyValue(char.defaultVariables).concat(parseKeyValue(db.templateDefaultVariables))
+        const findResult = defaultVariables.find((f) => {
+            return f[0] === key
+        })
+        if(findResult){
+            return findResult[1]
+        }
+        return 'null'
+    }
+    return state.toString()
 }
 
 export function getGlobalChatVar(key:string){
diff --git a/src/ts/process/triggers.ts b/src/ts/process/triggers.ts
index 4bc9ac62..68afa136 100644
--- a/src/ts/process/triggers.ts
+++ b/src/ts/process/triggers.ts
@@ -5,6 +5,7 @@ import { getModuleTriggers } from "./modules";
 import { get } from "svelte/store";
 import { CurrentCharacter, CurrentChat, selectedCharID } from "../stores";
 import { processMultiCommand } from "./command";
+import { parseKeyValue } from "../util";
 
 export interface triggerscript{
     comment: string;
@@ -94,13 +95,25 @@ export async function runTrigger(char:character,mode:triggerMode, arg:{
         promptend: ''
     }
     const triggers = char.triggerscript.concat(getModuleTriggers())
+    const db = get(DataBase)
+    const defaultVariables = parseKeyValue(char.defaultVariables).concat(parseKeyValue(db.templateDefaultVariables))
     let chat = structuredClone(arg.chat ?? char.chats[char.chatPage])
     if((!triggers) || (triggers.length === 0)){
         return null
     }
 
     function getVar(key:string){
-        return `${chat.scriptstate?.['$' + key] ?? "null"}`
+        const state = chat.scriptstate?.['$' + key]
+        if(state === undefined || state === null){
+            const findResult = defaultVariables.find((f) => {
+                return f[0] === key
+            })
+            if(findResult){
+                return findResult[1]
+            }
+            return 'null'
+        }
+        return state.toString()
     }
 
     function setVar(key:string, value:string){
diff --git a/src/ts/storage/database.ts b/src/ts/storage/database.ts
index 059b3549..665b50d5 100644
--- a/src/ts/storage/database.ts
+++ b/src/ts/storage/database.ts
@@ -402,6 +402,7 @@ export function setDatabase(data:Database){
     data.combineTranslation ??= false
     data.customPromptTemplateToggle ??= ''
     data.globalChatVariables ??= {}
+    data.templateDefaultVariables ??= ''
 
     changeLanguage(data.language)
     DataBase.set(data)
@@ -661,6 +662,7 @@ export interface Database{
     dynamicAssetsEditDisplay:boolean
     customPromptTemplateToggle:string
     globalChatVariables:{[key:string]:string}
+    templateDefaultVariables:string
 }
 
 export interface customscript{
@@ -789,6 +791,7 @@ export interface character{
         name: string
         ext: string
     }>
+    defaultVariables?:string
 }
 
 
@@ -834,6 +837,7 @@ export interface groupChat{
     lorePlus?:boolean
     trashTime?:number
     nickname?:string
+    defaultVariables?:string
 }
 
 export interface botPreset{
@@ -882,6 +886,7 @@ export interface botPreset{
     openrouterProvider?:string
     useInstructPrompt?:boolean
     customPromptTemplateToggle?:string
+    templateDefaultVariables?:string
 }
 
 
@@ -1149,7 +1154,8 @@ export function saveCurrentPreset(){
         top_a: db.top_a,
         openrouterProvider: db.openrouterProvider,
         useInstructPrompt: db.useInstructPrompt,
-        customPromptTemplateToggle: db.customPromptTemplateToggle ?? ""
+        customPromptTemplateToggle: db.customPromptTemplateToggle ?? "",
+        templateDefaultVariables: db.templateDefaultVariables ?? ""
     }
     db.botPresets = pres
     setDatabase(db)
@@ -1233,6 +1239,7 @@ export function setPreset(db:Database, newPres: botPreset){
     db.openrouterProvider = newPres.openrouterProvider
     db.useInstructPrompt = newPres.useInstructPrompt ?? false
     db.customPromptTemplateToggle = newPres.customPromptTemplateToggle ?? ''
+    db.templateDefaultVariables = newPres.templateDefaultVariables ?? ''
     return db
 }