diff --git a/AliyunOSSSDK/OSSDefine.h b/AliyunOSSSDK/OSSDefine.h
index eaf6e141..06bbd67f 100644
--- a/AliyunOSSSDK/OSSDefine.h
+++ b/AliyunOSSSDK/OSSDefine.h
@@ -16,7 +16,7 @@
 #elif TARGET_OS_OSX
 #define OSSUAPrefix                             @"aliyun-sdk-mac"
 #endif
-#define OSSSDKVersion                           @"2.9.1"
+#define OSSSDKVersion                           @"2.9.2"
 
 #define OSSListBucketResultXMLTOKEN             @"ListBucketResult"
 #define OSSNameXMLTOKEN                         @"Name"
diff --git a/AliyunOSSiOS.podspec b/AliyunOSSiOS.podspec
index 98020183..c60021cf 100644
--- a/AliyunOSSiOS.podspec
+++ b/AliyunOSSiOS.podspec
@@ -2,7 +2,7 @@ Pod::Spec.new do |s|
 
   s.name         = "AliyunOSSiOS"
 
-  s.version      = "2.9.1"
+  s.version      = "2.9.2"
 
   s.summary      = "An iOS SDK for Aliyun Object Storage Service"
 
diff --git a/CHANGLOG.txt b/CHANGLOG.txt
index a9b35710..da902233 100755
--- a/CHANGLOG.txt
+++ b/CHANGLOG.txt
@@ -11,13 +11,22 @@ Environment Requirement：
 
 Update Logs:
 
+2018/1/31
+- Release 2.9.2
+
+add API: triggerCallBack:
+
+github address：https://github.com/aliyun/aliyun-oss-ios-sdk
+pod dependency：   pod 'AliyunOSSiOS', '~> 2.9.2'
+demo address：  https://github.com/alibaba/alicloud-ios-demo
+
 2018/1/22
 - Release 2.9.1
 
 fix podspec
 
 github address：https://github.com/aliyun/aliyun-oss-ios-sdk
-pod dependency：   pod 'AliyunOSSiOS', '~> 2.8.1'
+pod dependency：   pod 'AliyunOSSiOS', '~> 2.9.1'
 demo address：  https://github.com/alibaba/alicloud-ios-demo
 
 2018/1/22
@@ -28,7 +37,7 @@ demo address：  https://github.com/alibaba/alicloud-ios-demo
 3.add logic about check file size
 
 github address：https://github.com/aliyun/aliyun-oss-ios-sdk
-pod dependency：   pod 'AliyunOSSiOS', '~> 2.8.1'
+pod dependency：   pod 'AliyunOSSiOS', '~> 2.0.0'
 demo address：  https://github.com/alibaba/alicloud-ios-demo
 
 2018/1/15