feat:澳元符号修改

src/views/billing/rule/modules/currency.ts

@@ -15,7 +15,7 @@ export const availableCurrencies: CurrencyOption[] = [
   { code: 'CNY', symbol: '¥', name: '人民币' },
   { code: 'EUR', symbol: '€', name: '欧元' },
   { code: 'GBP', symbol: '£', name: '英镑' },
-  { code: 'AUD', symbol: 'A$', name: '澳元' },
+  { code: 'AUD', symbol: '$', name: '澳元' },
 ]
 
 export const useCurrencyStore = defineStore('currency', {