diff --git a/script/server/sysom_vmcore/parse_panic.py b/script/server/sysom_vmcore/parse_panic.py
index 14ce4b6865fdd620a8ed8afc8daa3afae39d0ee5..d2298b55835cc05fe2c171c1171c57f643859556 100644
--- a/script/server/sysom_vmcore/parse_panic.py
+++ b/script/server/sysom_vmcore/parse_panic.py
@@ -459,10 +459,12 @@ def check_panic(column):
     print(f"add {column['name']} calltrace line to db")
     return True
 def do_cmd(cmd):
-    output = os.popen(cmd)
-    ret = output.read().strip()
-    output.close()
-    return ret
+    try:
+        result = subprocess.run(cmd, shell=True, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        return result.stdout
+    except subprocess.CalledProcessError as e:
+        print(f"Command failed with error:{e}")
+        return None
 
 def init_column(column):
     column['upload_time'] = int(time.time())
@@ -519,18 +521,19 @@ def mount_nfs():
         return False
 
     cmd = 'mount -t nfs %s:%s %s' % (server_host,mount_point,nfs_root)
-    ret = os.system(cmd)
-    if ret != 0:
-        print('failed to mount to nfs %s' % nfs_root)
+    try:
+        ret = subprocess.run(cmd, check=True)
+    except subprocess.CalledProcessError as e:
+        print(f'failed to mount to nfs {nfs_root}: {e}')
         return False
     return True
 
 def unmount_nfs():
     global nfs_root
-    cmd = 'umount %s' % nfs_root
-    ret = os.system(cmd)
-    if ret != 0:
-        print(f'failed to unmount nfs at {nfs_root}')
+    try:
+        result = subprocess.run(['umount', nfs_root], check=True, stdout=subprocess.PIPTE, stderr=subprocess.PIPE)
+    except subprocess.CalledProcessError as e:
+        print(f'failed to unmount nfs at {nfs_root}:{e.stderr.decode().strip()}')
 
 def main():
     global nfs_root