diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7592f8..ca3dbb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - 增加降采样
 - file格式图片，fd同步close
 - 解码pixelMap默认不可编辑，图形变化可编辑
+- 修改网络请求超时设置
 
 ## 3.1.0-rc.2
 - 修复宽高不等svg图片显示有毛边
diff --git a/README.md b/README.md
index 2fcc271..73c79ba 100644
--- a/README.md
+++ b/README.md
@@ -275,6 +275,9 @@ ImageKnifeComponent({
         }),animatorOption:this.animatorOption
       }).width(300).height(300)
 ```
+#### 复用场景
+在aboutToRecycle生命周期清空组件内容；通过watch监听触发图片的加载。
+
 ## 接口说明
 ### ImageKnife组件
 | 组件名称                        | 入参内容                            | 功能简介   |
diff --git a/library/src/main/ets/ImageKnifeDispatcher.ets b/library/src/main/ets/ImageKnifeDispatcher.ets
index 5eb2026..2fc5d4f 100644
--- a/library/src/main/ets/ImageKnifeDispatcher.ets
+++ b/library/src/main/ets/ImageKnifeDispatcher.ets
@@ -479,8 +479,8 @@ async function requestJob(request: RequestJobRequest, requestList?: List<ImageKn
             header: headerObj,
             method: http.RequestMethod.GET,
             expectDataType: http.HttpDataType.ARRAY_BUFFER,
-            connectTimeout: 6000,
-            readTimeout: 6000,
+            connectTimeout: 60000,
+            readTimeout: 0,
             // usingProtocol:http.HttpProtocol.HTTP1_1
             // header: new Header('application/json')
           });