fix

src/abortable.ts

@@ -69,7 +69,7 @@ export function abortable<T>(
     }
 
     // Promise：按“真 Promise + 代理”的方案处理
-    if (typeof (value as any).then === 'function') {
+    if (typeof (value as any)?.then === 'function') {
       return wrapNativePromise(value as any) as unknown as V;
     }