feat: 添加文件上传组件，更新表单字段，优化描述输入逻辑

src/views/issue/issuing-apply/base.vue

@@ -95,19 +95,6 @@ function handleSubmit(values: GenericObject) {
         <ErrorMessage name="estimatedValue" />
       </div>
 
-      <div>
-        <Field name="proofDocuments" type="text">
-          <template #default="{ field }">
-            <ui-input-label
-              v-bind="field"
-              :label="t('asset.issue.apply.assetProof')"
-              :placeholder="t('asset.issue.apply.enterAssetProof')"
-            />
-          </template>
-        </Field>
-        <ErrorMessage name="proofDocuments" />
-      </div>
-
       <div>
         <Field name="totalSupplyLimit" type="text">
           <template #default="{ field }">
@@ -122,6 +109,35 @@ function handleSubmit(values: GenericObject) {
         <ErrorMessage name="totalSupplyLimit" />
       </div>
 
+      <div>
+        <Field name="description" type="text">
+          <template #default="{ field }">
+            <ui-textarea-label
+              v-bind="field"
+              :label="t('asset.issue.apply.description')"
+              :placeholder="t('asset.issue.apply.enterDescription')"
+              :maxlength="500"
+              :auto-grow="true"
+            />
+          </template>
+        </Field>
+        <ErrorMessage name="description" />
+      </div>
+
+      <div>
+        <Field v-slot="{ field }" name="proofDocuments">
+          <ui-file-upload
+            v-bind="field"
+            :label="t('asset.issue.apply.assetProof')"
+            :placeholder="t('asset.issue.apply.uploadAssetProof')"
+            :max-files="5"
+            :max-size="10"
+            accept="application/pdf,image/*,.doc,.docx"
+          />
+        </Field>
+        <ErrorMessage name="proofDocuments" />
+      </div>
+
       <ion-button type="submit" expand="block" shape="round" color="success">
         {{ t('asset.issue.apply.next') }}
       </ion-button>
@@ -129,4 +145,12 @@ function handleSubmit(values: GenericObject) {
   </Form>
 </template>
 
-<style lang='css' scoped></style>
+<style lang='css' scoped>
+ion-textarea {
+  --padding-start: 12px;
+  --padding-end: 12px;
+  --background: var(--ui-input-background, #fff);
+  --color: var(--ui-input-color, #000);
+  --border-radius: 8px;
+}
+</style>