diff --git a/common/command.py b/common/command.py
index 58886919ec1f9396e7414e89beaa3636281737f3..1d9995fedaceb9bb34232b76d1845dfb80fcf075 100644
--- a/common/command.py
+++ b/common/command.py
@@ -21,9 +21,9 @@ class Command:
 
     @staticmethod
     def check_ethtool_cg(cmd_stde):
-        if cmd_stde == b"Cannot get device coalesce settings: Operation not supported\n":
+        if cmd_stde == b"Cannot get devices coalesce settings: Operation not supported\n":
             return True
-        elif cmd_stde == b"Cannot get device ring settings: Operation not supported\n":
+        elif cmd_stde == b"Cannot get devices ring settings: Operation not supported\n":
             return True
         else:
             return False
@@ -52,8 +52,8 @@ class Command:
             env_c = os.environ
             env_c['LANG'] = 'en_US.UTF-8'
             
-            check_cmd = cmd.split()
-            if check_cmd[0] == 'cat' or check_cmd[0] == 'ls':
+            check_cmd = cmd.split(' ')
+            if check_cmd[0] == 'cat' or check_cmd[0] == 'ls' or  check_cmd[0] == 'll' :
                 if not os.path.exists(check_cmd[1]):
                     Logger().error("{} does not exist, cmd_run  {} unable to execute".format(check_cmd[1], cmd))
                     return command_result
@@ -63,7 +63,7 @@ class Command:
             if not sys.version_info[0] >= 3:
                 stdout = stdout.replace('\x1b[7l', '')
             if Command.cmd_check(stdout, stderr, ret.returncode, cmd):
-                command_result = cmd + '\n'+ stdout.decode('utf8')
+                command_result = cmd + '\n'+ stdout.decode('utf-8')
                 
             return command_result
                        
@@ -81,8 +81,8 @@ class Command:
             env_c = os.environ
             env_c['LANG'] = 'en_US.UTF-8'
             # 添加文件是否存在判断
-            check_cmd = cmd.split()
-            if check_cmd[0] == 'cat' or check_cmd[0] == 'ls':
+            check_cmd = cmd.split(' ')
+            if check_cmd[0] == 'cat' or check_cmd[0] == 'ls' or check_cmd[0] == 'll':
                 if "scaling_governor" in check_cmd[1] :
                     if len(os.listdir("/sys/devices/system/cpu/cpufreq/")) == 0:
                         Logger().debug("Commmand:{} unable to execute, already in performance mode".format(cmd))
@@ -90,11 +90,10 @@ class Command:
                 elif not os.path.exists(check_cmd[1]):
                     Logger().error("{} does not exist，command: {} unable to execute".format(check_cmd[1], cmd))
                     return command_result
-            # ret = subprocess.run(cmd, shell = True, stdout = subprocess.PIPE , stderr = subprocess.PIPE, env = env_c)
             ret = subprocess.Popen(cmd, shell = True, stdout = subprocess.PIPE , stderr = subprocess.PIPE, env = env_c)
             stdout,stderr = ret.communicate()
             if Command.cmd_check(stdout, stderr, ret.returncode, cmd):
-                command_result = stdout.decode('utf8')
+                command_result = stdout.decode('utf-8')
             return command_result.strip()
                        
         except Exception as err:
@@ -111,11 +110,10 @@ class Command:
         try:
             env_c = os.environ
             env_c['LANG'] = 'en_US.UTF-8'
-            # ret = subprocess.run(cmd, shell = True, stdout = subprocess.PIPE , stderr = subprocess.PIPE, env = env_c)
             ret = subprocess.Popen(cmd, shell = True, stdout = subprocess.PIPE , stderr = subprocess.PIPE, env = env_c)
             stdout,stderr = ret.communicate()
             if Command.cmd_check(stdout, stderr, ret.returncode, cmd):
-                command_result = stderr.decode('utf8')
+                command_result = stderr.decode('utf-8')
             return command_result
                        
         except Exception as err: