diff --git a/LaunchControl/LaunchControl-full-v2.6.2.exe b/LaunchControl/LaunchControl-full-v2.6.1.exe
similarity index 70%
rename from LaunchControl/LaunchControl-full-v2.6.2.exe
rename to LaunchControl/LaunchControl-full-v2.6.1.exe
index 94e4600..c027bbd 100644
Binary files a/LaunchControl/LaunchControl-full-v2.6.2.exe and b/LaunchControl/LaunchControl-full-v2.6.1.exe differ
diff --git a/LaunchControl/LaunchControl/LaunchControl.exe b/LaunchControl/LaunchControl/LaunchControl.exe
index bbb75a4..f8134ac 100644
Binary files a/LaunchControl/LaunchControl/LaunchControl.exe and b/LaunchControl/LaunchControl/LaunchControl.exe differ
diff --git a/LaunchControl/pack.iss b/LaunchControl/pack.iss
index 14f9beb..cc34833 100644
--- a/LaunchControl/pack.iss
+++ b/LaunchControl/pack.iss
@@ -2,7 +2,7 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "LaunchControl"
-#define MyAppVersion "2.6.2"
+#define MyAppVersion "2.6.1"
 #define MyAppPublisher "xfd, Inc."
 #define MyAppURL "https://www.example.com/"
 #define MyAppExeName "LaunchControl.exe"
diff --git a/LaunchControl/updates.json b/LaunchControl/updates.json
index 8c7be74..9ca0af1 100644
--- a/LaunchControl/updates.json
+++ b/LaunchControl/updates.json
@@ -4,7 +4,7 @@
     "windows": 
     {
       "full-url": "http://www.tianzd.cn:1995/TianZD/deploy/raw/branch/master/",
-      "full-version": "2.6.2",
+      "full-version": "2.6.1",
       "download-full":true,
       
       "patch-url": "http://www.tianzd.cn:1995/TianZD/deploy/raw/branch/master/",