优化一下提示

src/views/home/gen_digit_human_video.vue

@@ -201,13 +201,19 @@ const handleUploadShowImageOrVideoRemove: UploadProps['onRemove'] = (file, uploa
 // 生成视频
 const onGenVideo = async () => {
   if (
-    !form.text ||
-    form.text.length == 0 ||
-    !form.sample_video_path ||
-    form.sample_video_path.length == 0
+    !form.text || form.text.length == 0
   ) {
     ElMessage({
-      message: '文案、出镜人物 均不能为空',
+      message: '请输入文案',
+      type: 'error'
+    })
+    return
+  }
+  if (
+    !form.sample_video_path || form.sample_video_path.length == 0
+  ) {
+    ElMessage({
+      message: '请上传出镜人物视频',
       type: 'error'
     })
     return