diff --git a/src/upload-to-ali.vue b/src/upload-to-ali.vue
index eefd412..4a5fd97 100644
--- a/src/upload-to-ali.vue
+++ b/src/upload-to-ali.vue
@@ -490,6 +490,7 @@ export default {
 <style lang="less">
 @border-color: #cad1e8;
 @active-color: #5d81f9;
+@error-color: #ff4d4f;
 
 .upload-to-oss--highlight {
   .upload-box {
@@ -651,6 +652,10 @@ export default {
   }
 }
 
+.el-form-item.is-error .upload-box {
+  border-color: @error-color;
+}
+
 .upload-tip {
   color: #606266;
   font-size: 12px;