diff --git a/omv_backup.py b/omv_backup.py
index d640829..ba0bb3f 100755
--- a/omv_backup.py
+++ b/omv_backup.py
@@ -16,6 +16,7 @@ import requests
 import fnmatch
 import yaml
 import paramiko
+import shutil
 #import numpy as np
 
 file_path = os.path.realpath(__file__)
@@ -616,10 +617,36 @@ if _BACKUP:
                 #    input("????")
                     #cmnd = "find {} -maxdepth 1 -type d -mtime +30 -exec rm -rf {{}} \;".format(BACKUP_DIR)
                     cmnd = f"cd {BACKUP_ROOT} find ./ -maxdepth 1 -type d -mmin +30 -exec rm -rf {{}} \\;"
+                    
+                    cmnd = "ls {BACKUP_ROOT}"
+                    
+                    
                     #print(cmnd)
                 #   input("????")
                     if _EXECUTE:
                         status, output = subprocess.getstatusoutput(cmnd)
+                        for f in output.splitlines():
+                            pattern = r"^[0-9]{4}.*"  # regex pattern: string starts with 'abc'
+
+                            if re.match(pattern, f):
+                                print("Match!")
+                                dt = datetime.datetime.strptime(f, "%Y-%m-%d_%H-%M-%S")
+                                epoch_time = int(dt.timestamp())
+                                now_epoch = int(datetime.datetime.now().timestamp())
+                                x = now_epoch - epoch_time
+                                print(epoch_time)  # Output: 45
+                                if x > "2592000":
+                                    dir_path = "{BACKUP_ROOT}/{f}"
+                                    print(f"removing {dir_path}")
+                                    #shutil.rmtree(dir_path)
+                                
+                                
+                            else:
+                                print("No match.")
+                        
+                        
+                        
+                        
                     now = datetime.datetime.now()
                     ENDTIME = now.strftime("%Y-%m-%d_%H:%M:%S")
                     #msg = {"status":"finished","bak_name":b,"start_time":DATETIME,"end_time":ENDTIME,"progress":0}