diff --git a/library/src/main/ets/ImageKnifeDispatcher.ets b/library/src/main/ets/ImageKnifeDispatcher.ets
index 7ca5780..a3f30ff 100644
--- a/library/src/main/ets/ImageKnifeDispatcher.ets
+++ b/library/src/main/ets/ImageKnifeDispatcher.ets
@@ -36,7 +36,7 @@ import { ImageKnifeRequestWithSource , ImageKnifeRequestSource , RequestJobResul
 
 export class ImageKnifeDispatcher {
   // 最大并发
-  private maxRequests: number = 64
+  private maxRequests: number = 8
   // 排队队列
   private jobQueue: IJobQueue = new DefaultJobQueue()
   // 执行中的请求