diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5956c8f6..1d4de2dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,27 @@
+### 1.0.2
+
+_2018-04-28_
+
+#### Feature
+
+- Change the default sync buffer interval millisecond from 3000 to 2000, because the default value also 2000ms on download-provider.
+- Carry the user set header fields on trial-connection also. refs #42
+- Support set connection count through `DownloadTask.Builder#setConnectionCount`. refs #31
+- Support set pre-allocate-length through `DownloadTask.Builder#setPreAllocateLength` refs #31
+
+#### Stability
+
+- Using the more stability design to ensure there is only one thread operates with output-stream and ensure close output-stream after the last operation for one task's output-stream. refs #39 
+
+#### Bug Fix
+
+- End the store-info operation after output-stream real finished instead of on download-dispatcher for each task. refs #39
+- Fix exception isn't the real one when creating a task with wrong params. refs #41
+- Fix the remit optimize isn't effective on remit-database when the task is canceled within remit-delay-time.
+- Fix the illegal runtime exception is raised when download chunked resources. refs #35
+- Fix the result of `getTotalOffset` and `getTotalLength` isn't right on `BreakpointInfo` when chunked resource completed download. refs #35
+- Fix can't resume when the file length is larger than current response instant-length because of the old file isn't delete when the file is dirty.
+
 ### 1.0.1
 
 _2018-04-20_
diff --git a/README-zh.md b/README-zh.md
index 2bcc6e6a..67509e50 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -62,7 +62,7 @@ limitations under the License.
 ```
 
 [okdownload_svg]: https://img.shields.io/badge/Android-OkDownload-green.svg
-[okdownload_snapshot_svg]: https://img.shields.io/badge/SnapShot-1.0.2-yellow.svg
+[okdownload_snapshot_svg]: https://img.shields.io/badge/SnapShot-1.0.3-yellow.svg
 [sample_home_img]: https://github.com/lingochamp/okdownload/raw/master/art/sample-home.jpeg
 [single_download_img]: https://github.com/lingochamp/okdownload/raw/master/art/single-download.gif
 [each_block_progress_img]: https://github.com/lingochamp/okdownload/raw/master/art/each-block-progress.gif
diff --git a/README.md b/README.md
index 780c941c..2f9c8107 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ limitations under the License.
 ```
 
 [okdownload_svg]: https://img.shields.io/badge/Android-OkDownload-green.svg
-[okdownload_snapshot_svg]: https://img.shields.io/badge/SnapShot-1.0.2-yellow.svg
+[okdownload_snapshot_svg]: https://img.shields.io/badge/SnapShot-1.0.3-yellow.svg
 [sample_home_img]: https://github.com/lingochamp/okdownload/raw/master/art/sample-home.jpeg
 [single_download_img]: https://github.com/lingochamp/okdownload/raw/master/art/single-download.gif
 [each_block_progress_img]: https://github.com/lingochamp/okdownload/raw/master/art/each-block-progress.gif
diff --git a/gradle.properties b/gradle.properties
index d3741287..b208d84e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -13,7 +13,7 @@ org.gradle.jvmargs=-Xmx1536m
 # org.gradle.parallel=true
 
 GROUP=com.liulishuo.okdownload
-VERSION_NAME=1.0.2-SNAPSHOT
+VERSION_NAME=1.0.2
 
 POM_URL=https://github.com/lingochamp/okdownload/
 ISSUE_URL=https://github.com/lingochamp/okdownload/issues/