diff --git a/backup.py b/backup.py
new file mode 100644
index 00000000..5773b8a7
--- /dev/null
+++ b/backup.py
@@ -0,0 +1,86 @@
+import os
+import re
+import platform
+import glob
+import subprocess
+import sys
+
+def get_logs_directory():
+    system = platform.system()
+    if system == "Darwin":  # macOS
+        return os.path.expanduser("~/Library/Logs/ComfyUI")
+    if system == "Windows":
+        appdata = os.getenv("APPDATA")
+        if appdata is None:
+            raise EnvironmentError("APPDATA environment variable is not set")
+        return os.path.join(appdata, "ComfyUI", "logs")
+  
+    raise NotImplementedError(f"System {system} not supported")
+
+def parse_log_file(log_path):
+    custom_nodes = set()
+    pattern = r"custom_nodes[/\\]([^/\\\s]+)(?:\.py)?"
+
+    with open(log_path, 'r', encoding='utf-8') as file:
+        content = file.read()
+        matches = re.finditer(pattern, content)
+        
+        for match in matches:
+            node_name = match.group(1)
+            # Exclude specific nodes
+            if node_name not in ["ComfyUI-Manager", "websocket_image_save.py"]:
+                custom_nodes.add(node_name)
+    
+    return custom_nodes
+
+def get_sorted_log_files():
+    try:
+      logs_dir = get_logs_directory()
+    except EnvironmentError:
+      print("Failed to get logs directory")
+      return []
+    
+    log_files = glob.glob(os.path.join(logs_dir, "comfyui*.log"))
+    
+    # Sort files by modification time, newest first
+    return sorted(log_files, key=os.path.getmtime, reverse=True)
+
+def install_custom_nodes(nodes_list):
+    if not nodes_list:
+        print("No custom nodes to install")
+        return
+    
+    current_dir = os.path.dirname(os.path.abspath(__file__))
+    cm_cli_path = os.path.join(current_dir, "cm-cli.py")
+    
+    if not os.path.exists(cm_cli_path):
+        print("ComfyUI-Manager CLI not found")
+        return
+    
+    nodes_str = " ".join(nodes_list)
+    
+    try:
+        cmd = [sys.executable, cm_cli_path, "install", *nodes_list]
+        subprocess.run(cmd, check=True)
+        print(f"Successfully installed nodes: {nodes_str}")
+    except subprocess.CalledProcessError as e:
+        print(f"Error installing nodes: {e}")
+
+def main():
+    log_files = get_sorted_log_files()
+    if not log_files:
+        print("No log files found")
+        return
+
+    custom_nodes = set()
+    for log_file in log_files:
+        nodes = parse_log_file(log_file)
+        if nodes:
+            custom_nodes.update(nodes)    
+    print(f"Found custom nodes: {custom_nodes}")
+    install_custom_nodes(custom_nodes)
+
+if __name__ == "__main__":
+    #main()
+    print(parse_log_file("/Users/junhanhuang/Downloads/comfyui_2024-11-28T00-22-15-857Z.log"))
+