diff --git a/windows/CHANGELOG.md b/windows/CHANGELOG.md
index 93a0fd1..2533a01 100644
--- a/windows/CHANGELOG.md
+++ b/windows/CHANGELOG.md
@@ -1,5 +1,11 @@
 ## ChangeLog
 
+<b>Version 1.0.2.5</b> (01 Sept 2017)
+ * Optimized code.
+
+<b>Version 1.0.2.4</b> (22 Aug 2017)
+ * Fix some bugs.
+
 <b>Version 1.0.2.3</b> (22 Aug 2017)
  * Fix some bugs.
  * Remove drag and drop function.
@@ -57,6 +63,12 @@
 
 ## 更新历史
 
+2017-08-22发布1.0.2.5版本：
+ * 优化代码。
+
+2017-08-22发布1.0.2.4版本：
+ * 修复一些Bug。
+
 2017-08-22发布1.0.2.3版本：
  * 修复一些Bug。
  * 去掉拖拽功能。
diff --git a/windows/README.md b/windows/README.md
index 5f13cd5..4885a92 100644
--- a/windows/README.md
+++ b/windows/README.md
@@ -40,11 +40,11 @@ Also you can download the [full version](https://dl.kn007.net/directlink/silk2mp
 
 ## Hash
 
-MD5: EF80DF1B1FF485D4C180A671F4167859
+MD5: AE36A2C9610375A944BA164199D59EE7
 
-SHA1: 62BF12059B6AC38CC263E79F45B5B93A2046B43C
+SHA1: A15261FD47E93BD1E9AA550FAB085B0C69809276
 
-CRC32: DA255FFA
+CRC32: F93CDB27
 
 ## Notice
 
@@ -116,11 +116,11 @@ Alipay: kn007#126.com (Change # to @)
 
 ## 程序鉴定
 
-MD5: EF80DF1B1FF485D4C180A671F4167859
+MD5: AE36A2C9610375A944BA164199D59EE7
 
-SHA1: 62BF12059B6AC38CC263E79F45B5B93A2046B43C
+SHA1: A15261FD47E93BD1E9AA550FAB085B0C69809276
 
-CRC32: DA255FFA
+CRC32: F93CDB27
 
 ## 其他提示
 
diff --git a/windows/ffmpeg.zip b/windows/ffmpeg.zip
index d92444d..bec3593 100644
Binary files a/windows/ffmpeg.zip and b/windows/ffmpeg.zip differ
diff --git a/windows/silk2mp3.exe b/windows/silk2mp3.exe
index fa2b96d..0555f3d 100644
Binary files a/windows/silk2mp3.exe and b/windows/silk2mp3.exe differ