diff --git a/src/main.py b/src/main.py
index c325139..3bdb4e4 100644
--- a/src/main.py
+++ b/src/main.py
@@ -12,7 +12,7 @@
 from utils import has_more
 
 # pre-define
-ver = '3.1.0.2'
+ver = '3.1.1.0'
 
 # initialize
 reserve.logging.info('Welcome to DLUT-library-auto-reservation ' + ver)
diff --git a/src/version b/src/version
index eaf04a5..4ee6232 100644
--- a/src/version
+++ b/src/version
@@ -6,8 +6,8 @@ VSVersionInfo(
   ffi=FixedFileInfo(
     # filevers and prodvers should be always a tuple with four items: (1, 2, 3, 4)
     # Set not needed items to zero 0.
-    filevers=(3, 1, 0, 2),
-    prodvers=(3, 1, 0, 2),
+    filevers=(3, 1, 1, 0),
+    prodvers=(3, 1, 1, 0),
     # Contains a bitmask that specifies the valid bits 'flags'r
     mask=0x3f,
     # Contains a bitmask that specifies the Boolean attributes of the file.
@@ -31,10 +31,10 @@ VSVersionInfo(
         '080404b0',
         [StringStruct('CompanyName', 'qhy040404'),
         StringStruct('FileDescription', '大连理工大学图书馆自动预约座位小程序'),
-        StringStruct('FileVersion', '3.1.0.2'),
+        StringStruct('FileVersion', '3.1.1.0'),
         StringStruct(u'LegalCopyright', u'Copyright (C) 2023 qhy040404 All Rights Reserved'),
         StringStruct('ProductName', '大连理工大学图书馆自动预约座位小程序'),
-        StringStruct('ProductVersion', '3.1.0.2')])
+        StringStruct('ProductVersion', '3.1.1.0')])
       ]), 
     VarFileInfo([VarStruct('Translation', [2052, 1200])])
   ]