diff --git a/src/components/subscribe-rwa/index.vue b/src/components/subscribe-rwa/index.vue
index 1648df3..2663c76 100644
--- a/src/components/subscribe-rwa/index.vue
+++ b/src/components/subscribe-rwa/index.vue
@@ -13,8 +13,9 @@ const emit = defineEmits<{
 const { t } = useI18n();
 
 const walletStore = useWalletStore();
+await walletStore.syncFundingBalances();
 const { fundingBalances } = storeToRefs(walletStore);
-const currentUSDTBalance = computed(() => fundingBalances.value[0].available);
+const currentUSDTBalance = computed(() => fundingBalances.value[0]?.available || 0);
 
 const num = ref<number | null>(null);