diff --git a/main.py b/main.py
index 75571f0..0e6290a 100755
--- a/main.py
+++ b/main.py
@@ -1,11 +1,16 @@
 #!/usr/bin/env python
 import pygame as pg
+import sys
+import os
 from source import tool
 from source import constants as c
 from source.state import mainmenu, screen, level
 
 if __name__=='__main__':
     # 控制状态机运行
+    if not os.path.exists(os.path.dirname(c.USERLOG_PATH)):
+                os.makedirs(os.path.dirname(c.USERLOG_PATH))
+    sys.stderr = open(c.USERLOG_PATH, "w")
     game = tool.Control()
     state_dict = {  c.MAIN_MENU:    mainmenu.Menu(),
                     c.GAME_VICTORY: screen.GameVictoryScreen(),
@@ -14,3 +19,4 @@ if __name__=='__main__':
                     }
     game.setup_states(state_dict, c.MAIN_MENU)
     game.run()
+
diff --git a/source/constants.py b/source/constants.py
index ec7cee0..48a899c 100755
--- a/source/constants.py
+++ b/source/constants.py
@@ -1,9 +1,11 @@
 import os
-# 用户数据存储路径
+# 用户数据及日志存储路径
 if os.name == 'nt': # Windows系统存储路径
     USERDATA_PATH = os.path.expandvars(os.path.join("%APPDATA%", "wszqkzqk.dev", "pypvz", "userdata.json"))
+    USERLOG_PATH = os.path.expandvars(os.path.join("%APPDATA%", "wszqkzqk.dev", "pypvz", "run.log"))
 else:   # 非Windows系统存储路径
     USERDATA_PATH = os.path.expanduser(os.path.join("~", ".config", "wszqkzqk.dev", "pypvz", "userdata.json"))
+    USERLOG_PATH = os.path.expanduser(os.path.join("~", ".config", "wszqkzqk.dev", "pypvz", "run.log"))
 
 # 游戏起始关卡
 START_LEVEL_NUM = 1