diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12345fe8..fbbb7b4d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
 #Changelog
+## 8.8.0（2024-06-24）
+* 增加
+  * 上传支持加速域名 
+* 调整  
+  * 查询区域移除备用域名：api.qiniu.com
+
 ## 8.7.0(2023-11-23)
 * 调整：
   * 自动获取的区域信息结果缓存增加磁盘缓存
diff --git a/README.md b/README.md
index 08a4f619..b8ce6d67 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ https://github.com/qiniudemo/qiniu-lab-android
 
 | Qiniu SDK 版本 | 最低 Android版本   |       依赖库版本           |
 |--------------|-----------------|------------------------|
+| 8.8.x        |  Android 4.0+     |        okhttp 4+         |
 | 8.7.x        |  Android 4.0+     |        okhttp 4+         |
 | 8.6.x        |  Android 4.0+     |        okhttp 4+         |
 | 8.5.x        |  Android 4.0+     |        okhttp 4+         |
@@ -36,7 +37,7 @@ https://github.com/qiniudemo/qiniu-lab-android
 | 7.0.7        |  Android 2.2+     | android-async-http 1.4.8 |
 
 ### 注意
-* 推荐使用最新版：8.7.0
+* 推荐使用最新版：8.8.0
 * 7.6.2 ~ 8.3.2 AndroidNetwork.getMobileDbm()可以获取手机信号强度，需要如下权限(API>=18时生效)
 ```
   <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
@@ -55,10 +56,10 @@ https://github.com/qiniudemo/qiniu-lab-android
 * Android Studio中添加dependencies 或者 在项目中添加maven依赖
 ```
 // 1. 直接导入
-implementation 'com.qiniu:qiniu-android-sdk:8.7.+'
+implementation 'com.qiniu:qiniu-android-sdk:8.8.+'
 
 // 2. 如果要修改okhttp依赖的版本，可采用以下方式（强烈建议使用七牛库依赖的okhttp版本）
-implementation ('com.qiniu:qiniu-android-sdk:8.7.+'){
+implementation ('com.qiniu:qiniu-android-sdk:8.8.+'){
     exclude (group: 'com.squareup.okhttp3', module: 'okhttp')
 }
 implementation 'com.squareup.okhttp3:okhttp:4.9.1'
diff --git a/library/src/main/java/com/qiniu/android/common/Constants.java b/library/src/main/java/com/qiniu/android/common/Constants.java
index 88977b8d..2cd70b32 100644
--- a/library/src/main/java/com/qiniu/android/common/Constants.java
+++ b/library/src/main/java/com/qiniu/android/common/Constants.java
@@ -9,7 +9,7 @@ public final class Constants {
     /**
      * SDK 版本号
      */
-    public static final String VERSION = "8.7.0";
+    public static final String VERSION = "8.8.0";
 
     /**
      * UTF-8 编码
diff --git a/library/src/main/java/com/qiniu/android/common/FixedZone.java b/library/src/main/java/com/qiniu/android/common/FixedZone.java
index f7d11d6d..a1458ce7 100644
--- a/library/src/main/java/com/qiniu/android/common/FixedZone.java
+++ b/library/src/main/java/com/qiniu/android/common/FixedZone.java
@@ -178,6 +178,14 @@ private FixedZone(String[] upDomains, String[] oldUpDomains, String regionId) {
         this.zonesInfo = createZonesInfo(upDomains, oldUpDomains, regionId);
     }
 
+    /**
+     * 构造方法
+     *
+     * @param accUpDomains 加速域名
+     * @param upDomains 上传域名
+     * @param oldUpDomains 支持 SNI 的域名
+     * @param regionId 区域 ID
+     */
     public FixedZone(String[] accUpDomains,String[] upDomains, String[] oldUpDomains, String regionId) {
         this.zonesInfo = createZonesInfo(accUpDomains, upDomains, oldUpDomains, regionId);
     }
diff --git a/library/src/main/java/com/qiniu/android/common/Zone.java b/library/src/main/java/com/qiniu/android/common/Zone.java
index adbe0a5a..fd779fae 100644
--- a/library/src/main/java/com/qiniu/android/common/Zone.java
+++ b/library/src/main/java/com/qiniu/android/common/Zone.java
@@ -65,6 +65,7 @@ public interface QueryHandlerV2 {
          *
          * @param responseInfo 查询响应
          * @param metrics      查询指标
+         * @param zonesInfo    区域信息
          */
         void complete(ResponseInfo responseInfo, UploadRegionRequestMetrics metrics, ZonesInfo zonesInfo);
     }
diff --git a/library/src/main/java/com/qiniu/android/http/ResponseInfo.java b/library/src/main/java/com/qiniu/android/http/ResponseInfo.java
index b94f7448..5510d7c8 100644
--- a/library/src/main/java/com/qiniu/android/http/ResponseInfo.java
+++ b/library/src/main/java/com/qiniu/android/http/ResponseInfo.java
@@ -618,6 +618,11 @@ public boolean isCtxExpiredError() {
         return statusCode == 701 || (statusCode == 612 && error != null && error.contains("no such uploadId"));
     }
 
+    /**
+     * 是否是加速配置错误
+     *
+     * @return 是否是加速配置错误
+     */
     public boolean isTransferAccelerationConfigureError() {
         if (error == null) {
             return false;
diff --git a/library/src/main/java/com/qiniu/android/utils/ListUtils.java b/library/src/main/java/com/qiniu/android/utils/ListUtils.java
index b7a50379..fba810dd 100644
--- a/library/src/main/java/com/qiniu/android/utils/ListUtils.java
+++ b/library/src/main/java/com/qiniu/android/utils/ListUtils.java
@@ -2,8 +2,18 @@
 
 import java.util.List;
 
+/**
+ * List 工具类
+ */
 public class ListUtils {
 
+    /**
+     * 判断 List 是否为空
+     *
+     * @param objects List
+     * @return 是否为空
+     * @param <T> List 中的元素类型
+     */
     public static <T> boolean isEmpty(List<T> objects) {
         return objects == null || objects.isEmpty();
     }
diff --git a/library/src/main/java/com/qiniu/android/utils/MapUtils.java b/library/src/main/java/com/qiniu/android/utils/MapUtils.java
index 5df8e9c3..cabb5ae8 100644
--- a/library/src/main/java/com/qiniu/android/utils/MapUtils.java
+++ b/library/src/main/java/com/qiniu/android/utils/MapUtils.java
@@ -2,7 +2,19 @@
 
 import java.util.Map;
 
+/**
+ * Map 工具类
+ */
 public class MapUtils {
+
+    /**
+     * 判断 Map 是否为空
+     *
+     * @param objects Map
+     * @return 是否为空
+     * @param <K> key 类型
+     * @param <V> value 类型
+     */
     public static <K,V> boolean isEmpty(Map<K,V> objects) {
         return objects == null || objects.isEmpty();
     }