diff --git a/packages/amis-core/src/utils/api.ts b/packages/amis-core/src/utils/api.ts
index e3f7004b89c..9b30f158be2 100644
--- a/packages/amis-core/src/utils/api.ts
+++ b/packages/amis-core/src/utils/api.ts
@@ -368,7 +368,7 @@ export function responseAdaptor(ret: fetcherResult, api: ApiObject) {
 
   // 返回内容是 string，说明 content-type 不是 json，这时可能是返回了纯文本或 html
   if (typeof data === 'string') {
-    const contentType = (ret.headers as any)['content-type'] || '';
+    const contentType = (ret.headers as any)?.['content-type'] || '';
     // 如果是文本类型就尝试解析一下
     if (
       ret.headers &&
diff --git a/packages/amis-core/src/utils/attachmentAdpator.ts b/packages/amis-core/src/utils/attachmentAdpator.ts
index 7146de15cdb..10a32363224 100644
--- a/packages/amis-core/src/utils/attachmentAdpator.ts
+++ b/packages/amis-core/src/utils/attachmentAdpator.ts
@@ -38,7 +38,7 @@ export function attachmentAdpator(
         }
       }
 
-      let type = response.headers['content-type'];
+      let type = response.headers?.['content-type'];
       let blob =
         response.data.toString() === '[object Blob]'
           ? response.data