diff --git a/auto-analysis/check_version.py b/auto-analysis/check_version.py
new file mode 100644
index 0000000..9290de5
--- /dev/null
+++ b/auto-analysis/check_version.py
@@ -0,0 +1,11 @@
+from utils import get_version, download_file
+import os
+
+if __name__ == '__main__':
+    DOWNLOAD_URL = "https://typora.io/windows/typora-setup-x64.exe"
+    BASE_DIR = os.path.join(os.path.dirname(__file__), "win/x64")
+
+    download_path = os.path.join(BASE_DIR, os.path.basename(DOWNLOAD_URL))
+    download_file(DOWNLOAD_URL, download_path)
+    version = get_version(download_path)
+
diff --git a/auto-analysis/utils.py b/auto-analysis/utils.py
new file mode 100644
index 0000000..f0957f2
--- /dev/null
+++ b/auto-analysis/utils.py
@@ -0,0 +1,86 @@
+# -*- coding:utf-8 -*-
+"""
+@Author: Mas0n
+@File: utils.py
+@Time: 2022/4/3 18:36
+@Desc: It's all about getting better.
+"""
+from loguru import logger as log
+import subprocess
+import json
+import os
+
+# Usage:
+# innoextract
+#
+BASE_DIR = os.path.dirname(__file__)
+
+DOWNLOAD_LINK = {
+    "win": {
+        "x86": "https://typora.io/windows/typora-setup-ia32.exe",
+        "x64": "https://typora.io/windows/typora-setup-x64.exe",
+        "arm": "https://typora.io/windows/typora-setup-arm64.exe",
+    },
+    "linux": {
+        "x64": "https://download.typora.io/linux/Typora-linux-x64.tar.gz",
+        "arm": "https://download.typora.io/linux/Typora-linux-arm64.tar.gz",
+    },
+}
+
+def get_version(to_path):
+    package_file_path = os.path.join(to_path, "app/resources/package.json")
+    package_info = open(package_file_path, "r").read()
+    package_obj = json.loads(package_info)
+    return package_obj["version"]
+
+
+def download_file(from_link, to_path):
+    log.info(f"downloading from {from_link}")
+    subprocess.check_call(["wget", from_link, "-O", to_path])
+    log.info("ready extract package")
+
+
+
+def patch_file(_key, _iv):
+    patch_file_path = os.path.join(BASE_DIR, "../typora.py")
+    fd = open(patch_file_path, "a")
+    content = fd.read()
+    content = content.replace("{AES_KEY}", f"b''.fromhex('{_key}')")
+    content = content.replace("{AES_IV}", f"b''.fromhex('{_iv}')")
+    fd.write(content)
+
+
+def win_x64_run():
+    from win.x64 import analysis
+    basedir = os.path.join(BASE_DIR, "win/x64")
+    link = DOWNLOAD_LINK["win"]["x64"]
+
+    download_path = os.path.join(basedir, os.path.basename(link))
+    download_file(link, download_path)
+
+    subprocess.check_call(["innoextract", download_path])
+    log.info("preparation stage completed")
+
+    main_node_path = os.path.join(basedir, "app/resources/app.asar.unpacked/main.node")
+    log.info("auto analysis start")
+    key, iv = analysis.get_aes_key_and_iv(main_node_path)
+    log.success("analysis done")
+
+    patch_file(key.hex(), iv.hex())
+    log.success("patch done")
+
+
+if __name__ == '__main__':
+    win_x64_run()
+
+    # hashString = open("LATEST_VERSION", "r").read()
+    # if hashString == "":
+    #     log.info("not history for typora version")
+    #     exit()
+
+    # basedir = os.path.dirname(__file__)
+    # for h1 in DOWNLOAD_LINK.keys():
+    #     h1dir = os.path.join(basedir, h1)
+    #     for h2 in DOWNLOAD_LINK.get(h1).keys():
+    #         h2dir = os.path.join(h1dir, h2)
+    #         print(h2dir)
diff --git a/auto-analysis/version_download.py b/auto-analysis/version_download.py
index 8970b25..0453f24 100644
--- a/auto-analysis/version_download.py
+++ b/auto-analysis/version_download.py
@@ -7,6 +7,7 @@
 """
 from loguru import logger as log
 import subprocess
+import json
 import os
 
 # Usage:
@@ -26,12 +27,17 @@ DOWNLOAD_LINK = {
     },
 }
 
+def get_version(to_path):
+    package_file_path = os.path.join(to_path, "app/resources/package.json")
+    package_info = open(package_file_path, "r").read()
+    package_obj = json.loads(package_info)
+    return package_obj["version"]
+
 
 def download_file(from_link, to_path):
     log.info(f"downloading from {from_link}")
     subprocess.check_call(["wget", from_link, "-O", to_path])
     log.info("ready extract package")
-    subprocess.check_call(["md5sum", "-b", to_path, ">", "LATEST_VERSION"])
 
 
 
@@ -48,15 +54,18 @@ def win_x64_run():
     from win.x64 import analysis
     basedir = os.path.join(BASE_DIR, "win/x64")
     link = DOWNLOAD_LINK["win"]["x64"]
-    download_path = os.path.join(basedir, os.path.basename(link))
 
+    download_path = os.path.join(basedir, os.path.basename(link))
     download_file(link, download_path)
+
     subprocess.check_call(["innoextract", download_path])
     log.info("preparation stage completed")
+
     main_node_path = os.path.join(basedir, "app/resources/app.asar.unpacked/main.node")
     log.info("auto analysis start")
     key, iv = analysis.get_aes_key_and_iv(main_node_path)
     log.success("analysis done")
+
     patch_file(key.hex(), iv.hex())
     log.success("patch done")