fix: 修复布局问题

app/templates/[id]/form.tsx

@@ -21,9 +21,10 @@ import { BackButton } from '@/components/ui/back-button';
 import { DynamicFormField } from '@/components/forms/dynamic-form-field';
 import { getTemplateById } from '@/lib/api/templates';
 import { recordTokenUsage, getUserBalance } from '@/lib/api/balance';
-import { runTemplate } from '@/lib/api/template-runs';
+import { runTemplate, pollTemplateGeneration } from '@/lib/api/template-runs';
 import { uploadFile } from '@/lib/api/upload';
 import { Template, TemplateGraphNode } from '@/lib/types/template';
+import { TemplateGeneration } from '@/lib/types/template-run';
 import { useAuth } from '@/hooks/use-auth';
 
 const FALLBACK_PREVIEW =
@@ -41,6 +42,11 @@ export default function TemplateFormScreen() {
   const [formData, setFormData] = useState<Record<string, any>>({});
   const [errors, setErrors] = useState<Record<string, string>>({});
   const [isSubmitting, setIsSubmitting] = useState(false);
+  const [pollingStatus, setPollingStatus] = useState<{
+    isPolling: boolean;
+    generationId?: string;
+    message?: string;
+  }>({ isPolling: false });
 
   useEffect(() => {
     loadInitialData();
@@ -294,15 +300,33 @@ export default function TemplateFormScreen() {
 
       const generationId = runResponse.data;
 
-      // 步骤 7: 跳转到结果页面
-      Alert.alert('成功', '视频生成任务已创建', [
-        {
-          text: '查看结果',
-          onPress: () => {
-            router.push(`/result?generationId=${generationId}`);
-          },
+      // 步骤 7: 开始轮询任务状态
+      setPollingStatus({
+        isPolling: true,
+        generationId,
+        message: '正在生成内容，请稍候...',
+      });
+
+      // 使用轮询函数
+      pollTemplateGeneration(
+        generationId,
+        // 成功回调
+        (result: TemplateGeneration) => {
+          setPollingStatus({ isPolling: false });
+
+          // 跳转到结果页面
+          router.push(`/result?generationId=${generationId}`);
         },
-      ]);
+        // 错误回调
+        (error: Error) => {
+          setPollingStatus({ isPolling: false });
+          Alert.alert('生成失败', error.message || '任务执行失败，请重试');
+        },
+        // 最大尝试次数（100次 * 3秒 = 5分钟）
+        100,
+        // 轮询间隔（3秒）
+        3000
+      );
     } catch (error) {
       console.error('Submission failed:', error);
       Alert.alert('错误', '提交失败，请稍后重试');
@@ -365,13 +389,24 @@ export default function TemplateFormScreen() {
         {renderFormFields()}
 
         <TouchableOpacity
-          style={[styles.generateButton, isSubmitting && styles.generateButtonDisabled]}
+          style={[
+            styles.generateButton,
+            (isSubmitting || pollingStatus.isPolling) && styles.generateButtonDisabled
+          ]}
           activeOpacity={0.88}
           onPress={handleSubmit}
-          disabled={isSubmitting}
+          disabled={isSubmitting || pollingStatus.isPolling}
         >
           {isSubmitting ? (
-            <ActivityIndicator size="small" color="#050505" />
+            <>
+              <ActivityIndicator size="small" color="#050505" />
+              <Text style={styles.generateLabel}>提交中...</Text>
+            </>
+          ) : pollingStatus.isPolling ? (
+            <>
+              <ActivityIndicator size="small" color="#050505" />
+              <Text style={styles.generateLabel}>{pollingStatus.message || '生成中...'}</Text>
+            </>
           ) : (
             <>
               <Feather name="star" size={20} color="#050505" />