diff --git a/service/src/chatgpt/index.ts b/service/src/chatgpt/index.ts
index 7e28ab1..1986540 100644
--- a/service/src/chatgpt/index.ts
+++ b/service/src/chatgpt/index.ts
@@ -5,11 +5,10 @@ import { ChatGPTAPI, ChatGPTUnofficialProxyAPI } from 'chatgpt'
 import { SocksProxyAgent } from 'socks-proxy-agent'
 import httpsProxyAgent from 'https-proxy-agent'
 import fetch from 'node-fetch'
-import axios from 'axios'
 import { sendResponse } from '../utils'
 import { isNotEmptyString } from '../utils/is'
 import type { ApiModel, ChatContext, ChatGPTUnofficialProxyAPIOptions, ModelConfig } from '../types'
-import type { RequestOptions } from './types'
+import type { BalanceResponse, RequestOptions } from './types'
 
 const { HttpsProxyAgent } = httpsProxyAgent
 
@@ -126,6 +125,8 @@ async function chatReplyProcess(options: RequestOptions) {
 }
 
 async function fetchBalance() {
+  // 计算起始日期和结束日期
+
   const OPENAI_API_KEY = process.env.OPENAI_API_KEY
   const OPENAI_API_BASE_URL = process.env.OPENAI_API_BASE_URL
 
@@ -136,17 +137,38 @@ async function fetchBalance() {
     ? OPENAI_API_BASE_URL
     : 'https://api.openai.com'
 
+  const [startDate, endDate] = formatDate()
+
+  // 每月使用量
+  const urlUsage = `${API_BASE_URL}/v1/dashboard/billing/usage?start_date=${startDate}&end_date=${endDate}`
+
+  const headers = {
+    'Authorization': `Bearer ${OPENAI_API_KEY}`,
+    'Content-Type': 'application/json',
+  }
+
   try {
-    const headers = { 'Content-Type': 'application/json', 'Authorization': `Bearer ${OPENAI_API_KEY}` }
-    const response = await axios.get(`${API_BASE_URL}/dashboard/billing/credit_grants`, { headers })
-    const balance = response.data.total_available ?? 0
-    return Promise.resolve(balance.toFixed(3))
+    // 获取已使用量
+    const useResponse = await fetch(urlUsage, { headers })
+    const usageData = await useResponse.json() as BalanceResponse
+    const usage = Math.round(usageData.total_usage) / 100
+    return Promise.resolve(usage ? `$${usage}` : '-')
   }
   catch {
     return Promise.resolve('-')
   }
 }
 
+function formatDate(): string[] {
+  const today = new Date()
+  const year = today.getFullYear()
+  const month = today.getMonth() + 1
+  const lastDay = new Date(year, month, 0)
+  const formattedFirstDay = `${year}-${month.toString().padStart(2, '0')}-01`
+  const formattedLastDay = `${year}-${month.toString().padStart(2, '0')}-${lastDay.getDate().toString().padStart(2, '0')}`
+  return [formattedFirstDay, formattedLastDay]
+}
+
 async function chatConfig() {
   const balance = await fetchBalance()
   const reverseProxy = process.env.API_REVERSE_PROXY ?? '-'
diff --git a/service/src/chatgpt/types.ts b/service/src/chatgpt/types.ts
index 1e65f4c..420f465 100644
--- a/service/src/chatgpt/types.ts
+++ b/service/src/chatgpt/types.ts
@@ -6,3 +6,7 @@ export interface RequestOptions {
   process?: (chat: ChatMessage) => void
   systemMessage?: string
 }
+
+export interface BalanceResponse {
+  total_usage: number
+}
diff --git a/src/components/common/Setting/About.vue b/src/components/common/Setting/About.vue
index 3edb317..d3bd423 100644
--- a/src/components/common/Setting/About.vue
+++ b/src/components/common/Setting/About.vue
@@ -63,6 +63,7 @@ onMounted(() => {
       <p>{{ $t("setting.api") }}：{{ config?.apiModel ?? '-' }}</p>
       <p v-if="isChatGPTAPI">
         {{ $t("setting.balance") }}：{{ config?.balance ?? '-' }}
+        <span class="text-xs text-neutral-400">({{ $t('setting.monthlyUsage') }})</span>
       </p>
       <p v-if="!isChatGPTAPI">
         {{ $t("setting.reverseProxy") }}：{{ config?.reverseProxy ?? '-' }}
diff --git a/src/locales/en-US.ts b/src/locales/en-US.ts
index f6fe515..e524f37 100644
--- a/src/locales/en-US.ts
+++ b/src/locales/en-US.ts
@@ -69,6 +69,7 @@ export default {
     socks: 'Socks',
     httpsProxy: 'HTTPS Proxy',
     balance: 'API Balance',
+    monthlyUsage: 'Monthly Usage',
   },
   store: {
     siderButton: 'Prompt Store',
diff --git a/src/locales/zh-CN.ts b/src/locales/zh-CN.ts
index cffcac3..80cfb23 100644
--- a/src/locales/zh-CN.ts
+++ b/src/locales/zh-CN.ts
@@ -69,6 +69,7 @@ export default {
     socks: 'Socks',
     httpsProxy: 'HTTPS Proxy',
     balance: 'API余额',
+    monthlyUsage: '本月使用量',
   },
   store: {
     siderButton: '提示词商店',
diff --git a/src/locales/zh-TW.ts b/src/locales/zh-TW.ts
index 9a5abd6..9c0549b 100644
--- a/src/locales/zh-TW.ts
+++ b/src/locales/zh-TW.ts
@@ -69,6 +69,7 @@ export default {
     socks: 'Socks',
     httpsProxy: 'HTTPS Proxy',
     balance: 'API余額',
+    monthlyUsage: '本月使用量',
   },
   store: {
     siderButton: '提示詞商店',