diff --git a/fastlane/metadata/android/de-DE/changelogs/2160.txt b/fastlane/metadata/android/de-DE/changelogs/2160.txt
new file mode 100644
index 00000000..1404443e
--- /dev/null
+++ b/fastlane/metadata/android/de-DE/changelogs/2160.txt
@@ -0,0 +1,4 @@
+v1.1.31
+
+* Neun-Männer-Morris: Die KI kann Weiß in der Eröffnungsphase daran hindern, eine Mühle zu bauen, so dass die KI anfällig ist, das Spiel zu verlieren.
+* Twelve Men's Morris: Verstärkt die KI-Power.
diff --git a/fastlane/metadata/android/en-US/changelogs/2160.txt b/fastlane/metadata/android/en-US/changelogs/2160.txt
new file mode 100644
index 00000000..c258d0db
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/2160.txt
@@ -0,0 +1,4 @@
+v1.1.31
+
+* Nine Men's Morris: Fix AI is likely to block white from making a mill in the opening phase, thus making AI vulnerable to lose the game.
+* Twelve Men's Morris: Boost the AI power.
diff --git a/fastlane/metadata/android/es-ES/changelogs/2160.txt b/fastlane/metadata/android/es-ES/changelogs/2160.txt
new file mode 100644
index 00000000..047bd30b
--- /dev/null
+++ b/fastlane/metadata/android/es-ES/changelogs/2160.txt
@@ -0,0 +1,4 @@
+v1.1.31
+
+* Nine Men's Morris: Arregla la IA para que las blancas no puedan hacer un molino en la fase de apertura, lo que hace que la IA sea vulnerable a perder la partida.
+* Twelve Men's Morris: Aumenta el poder de la IA.
diff --git a/fastlane/metadata/android/fa-IR/changelogs/2160.txt b/fastlane/metadata/android/fa-IR/changelogs/2160.txt
new file mode 100644
index 00000000..98f8f008
--- /dev/null
+++ b/fastlane/metadata/android/fa-IR/changelogs/2160.txt
@@ -0,0 +1,4 @@
+v1.1.31
+
+* نه مرد موریس: ثابت کردن هوش مصنوعی به احتمال زیاد مانع از ایجاد آسیاب در مرحله اولیه می شود ، بنابراین هوش مصنوعی را در از دست دادن بازی آسیب پذیر می کند.
+* دوازده مرد موریس: قدرت هوش مصنوعی را افزایش دهید.
\ No newline at end of file
diff --git a/fastlane/metadata/android/zh-CN/changelogs/2160.txt b/fastlane/metadata/android/zh-CN/changelogs/2160.txt
new file mode 100644
index 00000000..63b65aed
--- /dev/null
+++ b/fastlane/metadata/android/zh-CN/changelogs/2160.txt
@@ -0,0 +1,4 @@
+v1.1.31
+
+* 修复 AI 很喜欢在开局阶段阻止白棋形成三连，从而使 AI 容易输棋的问题。
+* 提升十二子直棋的 AI 水平。
diff --git a/millgame.rc b/millgame.rc
index 1089ba87..83fbe5d2 100644
--- a/millgame.rc
+++ b/millgame.rc
@@ -21,8 +21,8 @@ IDI_ICON1		ICON		DISCARDABLE	"MillGame.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,1,30,0
- PRODUCTVERSION 1,1,30,0
+ FILEVERSION 1,1,31,0
+ PRODUCTVERSION 1,1,31,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -39,12 +39,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Calcitem"
             VALUE "FileDescription", "Mill Game"
-            VALUE "FileVersion", "1.1.30.0"
+            VALUE "FileVersion", "1.1.31.0"
             VALUE "InternalName", "Sanmill"
             VALUE "LegalCopyright", "(C) 2019-2021 Calcitem, All Rights Reserved."
             VALUE "OriginalFilename", "MillGame.exe"
             VALUE "ProductName", "MillGame"
-            VALUE "ProductVersion", "1.1.30.0"
+            VALUE "ProductVersion", "1.1.31.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/src/ui/flutter_app/pubspec.yaml b/src/ui/flutter_app/pubspec.yaml
index 311bbbb3..d96a1bbe 100644
--- a/src/ui/flutter_app/pubspec.yaml
+++ b/src/ui/flutter_app/pubspec.yaml
@@ -1,7 +1,7 @@
 name: sanmill
 description: Sanmill is a open-source, powerful UCI-like Nine Men's Morris (and its variants) program.
 
-version: 1.1.30+2156
+version: 1.1.31+2160
 
 environment:
   sdk: '>=2.12.0 <3.0.0'
diff --git a/src/ui/flutter_app/windows/runner/Runner.rc b/src/ui/flutter_app/windows/runner/Runner.rc
index b175bc51..7169908d 100644
--- a/src/ui/flutter_app/windows/runner/Runner.rc
+++ b/src/ui/flutter_app/windows/runner/Runner.rc
@@ -63,13 +63,13 @@ IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
 #ifdef FLUTTER_BUILD_NUMBER
 #define VERSION_AS_NUMBER FLUTTER_BUILD_NUMBER
 #else
-#define VERSION_AS_NUMBER 1,1,30
+#define VERSION_AS_NUMBER 1,1,31
 #endif
 
 #ifdef FLUTTER_BUILD_NAME
 #define VERSION_AS_STRING #FLUTTER_BUILD_NAME
 #else
-#define VERSION_AS_STRING "1.1.30"
+#define VERSION_AS_STRING "1.1.31"
 #endif
 
 VS_VERSION_INFO VERSIONINFO