diff --git "a/librian/librian_util/release\344\277\241\346\201\257.py" "b/librian/librian_util/release\344\277\241\346\201\257.py"
new file mode 100644
index 0000000..d12bf81
--- /dev/null
+++ "b/librian/librian_util/release\344\277\241\346\201\257.py"
@@ -0,0 +1,4 @@
+from . import 路徑
+
+
+是release = (路徑.librian外層 / '.librian_release_info').is_file()
diff --git "a/librian/librian_util/\346\233\264\346\226\260\345\231\250.py" "b/librian/librian_util/\346\233\264\346\226\260\345\231\250.py"
new file mode 100644
index 0000000..6e1352d
--- /dev/null
+++ "b/librian/librian_util/\346\233\264\346\226\260\345\231\250.py"
@@ -0,0 +1,69 @@
+import logging
+import subprocess
+import base64
+import hashlib
+
+import requests
+
+from . import 路徑, release信息
+
+
+嵌入的python路徑 = 路徑.librian外層 / 'python36/python.exe'
+
+嵌入的git路徑 = 路徑.librian外層 / 'MinGit-2.25.0-busybox-64-bit/cmd/git.exe'
+
+
+def 自我更新():
+    if release信息.是release:
+        git路徑 = 嵌入的git路徑
+    else:
+        try:
+            git路徑 = 'git'
+            subprocess.check_call('git --version', stdout=subprocess.DEVNULL)
+        except FileNotFoundError:
+            raise FileNotFoundError('需要一個Git。更新功能需要你有Git命令可用，或者使用release版本中嵌入的Git。')
+    subprocess.run(
+        [str(git路徑), 'pull', 'origin', 'master'],
+        shell=True,
+        check=True,
+        stderr=subprocess.PIPE,
+        cwd=路徑.librian外層,
+    )
+
+    if release信息.是release:
+        subprocess.run(
+            [str(嵌入的python路徑), '-m', 'pip', 'install', '-r', 'requirements_release.txt'],
+            shell=True,
+            check=True,
+            stderr=subprocess.PIPE,
+            cwd=路徑.librian外層,
+        )
+        build文件更新()
+
+
+def build文件更新(): 
+    def md5(fname):
+        hash_md5 = hashlib.md5()
+        with open(fname, 'rb') as f:
+            for chunk in iter(lambda: f.read(4096), b""):
+                hash_md5.update(chunk)
+        return base64.b64encode(hash_md5.digest()).decode('utf-8')
+
+    def 下載(文件名, 網址):
+        r = requests.get(網址)
+        with open(文件名, 'wb') as f:
+            f.write(r.content)
+
+    文件表 = {
+        'Librian面板.exe': 'https://rimosto-cdn.azureedge.net/librian/Librian面板.exe'
+    }
+    for 文件名, 網址 in 文件表.items():
+        文件真名 = 路徑.librian外層 / 文件名
+        if 文件真名.is_file():
+            本地md5 = md5(文件真名)
+            在線md5 = requests.head(網址).headers['Content-MD5']
+            if 本地md5 == 在線md5:
+                continue
+            logging.warning(f'{文件名}過期了。')
+        下載(文件名, 網址)
+        logging.warning(f'下載{文件名}。')
diff --git "a/librian/librian\351\235\242\346\235\277/librian_panel.py" "b/librian/librian\351\235\242\346\235\277/librian_panel.py"
index c51acd6..d5679ca 100644
--- "a/librian/librian\351\235\242\346\235\277/librian_panel.py"
+++ "b/librian/librian\351\235\242\346\235\277/librian_panel.py"
@@ -22,7 +22,7 @@
 from librian.librian本體.帶有vue的山彥 import 帶有vue的山彥
 from librian.librian本體.librian虛擬機 import 虛擬機環境
 
-from librian.librian_util import 加載器, 文件, 路徑
+from librian.librian_util import 加載器, 文件, 路徑, 更新器
 
 
 rp = dulwich.repo.Repo('.')
@@ -169,19 +169,14 @@ def 瀏覽器打開(self, s):
         webbrowser.open(s)
     
     def 自我更新(self, callback):
-        git路徑 = 'git'
-        try:
-            subprocess.check_call('git --version', stdout=subprocess.DEVNULL)
-        except FileNotFoundError:
-            嵌入的git路徑 = 路徑.librian外層 / 'MinGit-2.25.0-busybox-64-bit/cmd/git.exe'
-            if Path(嵌入的git路徑).is_file():
-                git路徑 = 嵌入的git路徑
-            else:
-                self.alert('需要一個Git', 'info', '更新功能需要你有Git命令可用，或者使用release版本中嵌入的Git。')
-                return
         def t():
-            r = subprocess.run(f'{git路徑} pull origin master', stderr=subprocess.PIPE, encoding='utf8', check=False)
-            callback.Call([r.returncode, r.stderr])
+            try:
+                更新器.自我更新()
+            except subprocess.CalledProcessError as e:
+                callback.Call([e.returncode, e.stderr.decode('gbk')])
+            except Exception as e:
+                callback.Call([1, e.__repr__()])
+            callback.Call([0, ''])
         threading.Thread(target=t).start()
 
     def 退出(self):
diff --git "a/librian/\351\233\234\347\211\251/\346\247\213\345\273\272\347\224\250/Librian\351\235\242\346\235\277.cpp" "b/librian/\351\233\234\347\211\251/\346\247\213\345\273\272\347\224\250/Librian\351\235\242\346\235\277.cpp"
index ddcaf65..6fdac2b 100644
--- "a/librian/\351\233\234\347\211\251/\346\247\213\345\273\272\347\224\250/Librian\351\235\242\346\235\277.cpp"
+++ "b/librian/\351\233\234\347\211\251/\346\247\213\345\273\272\347\224\250/Librian\351\235\242\346\235\277.cpp"
@@ -5,6 +5,6 @@
 #include <cassert>
 
 int main(int argc, char *argv[]) {
-    system("\"\"./python36/python\"\" -m librian.librian���.librian_panel");
-    system("pause");
+    // system("\"\"./python36/python\"\" -m librian.librian���.librian_panel");
+    system("start \"Librian���\" cmd /C \"\"./python36/python.exe\" -m librian.librian���.librian_panel & pause\"");
 }
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index e9bece5..042a7d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,5 @@ weasyprint>=50
 PyYAML>=5.2
 fire>=0.2.1
 dulwich>=0.19.14
-AppKit==0.2.8 ; sys_platform == 'darwin'
\ No newline at end of file
+requests>=2.24.0
+AppKit>=0.2.8 ; sys_platform == 'darwin'
\ No newline at end of file
diff --git a/requirements_release.txt b/requirements_release.txt
index 694e9d7..61ac2b6 100644
--- a/requirements_release.txt
+++ b/requirements_release.txt
@@ -8,4 +8,5 @@ Pillow==5.2.0
 opencc==1.1.1
 PyYAML==5.1
 fire==0.2.1
-dulwich==0.19.14
\ No newline at end of file
+dulwich==0.19.14
+requests==2.24.0
\ No newline at end of file