修复有时捐赠金额显示不出来的问题

src/components/RewardUs.vue

@@ -1,11 +1,11 @@
 <script setup>
-import { ref, reactive, watch } from "vue";
-
-import { donateAPI } from "@/apis";
+import { ref, reactive, watch, onMounted } from "vue";
+import { getAppConfig, donateAPI } from "@/apis";
 import useStore from "@/store";
 import { storeToRefs } from "pinia";
 const store = useStore();
 const { config } = storeToRefs(store);
+const { updateConfig } = store;
 
 const props = defineProps({
   show: {
@@ -82,6 +82,13 @@ watch(
     formData.suggestion = "";
   }
 );
+
+onMounted(async () => {
+  if (!config.value.donateAmount) {
+    const config = await getAppConfig();
+    updateConfig(config);
+  }
+});
 </script>
 
 <template>