diff --git a/hwcompatible/commandUI.py b/hwcompatible/commandUI.py
index bf83692e7e787d8973b9cf5d0594bf42fad0663b..9fb055d4ab3c836c2fd47e64eeffc7af5bdea8ad 100755
--- a/hwcompatible/commandUI.py
+++ b/hwcompatible/commandUI.py
@@ -98,8 +98,7 @@ class CommandUI(object):
                 return False
             sys.stdout.write("Please reply %s or %s.\n" % (YES, NO))
 
-    @staticmethod
-    def prompt_edit(label, value, choices=None):
+    def prompt_edit(self, label, value, choices=None):
         """
         prompt choice edit
         :param label:
diff --git a/hwcompatible/compatibility.py b/hwcompatible/compatibility.py
index 6492cac3a80ee880bb58d86ee2e906cebb2561d5..00cc9dd2c0ec191ef522d2639b5b6ccf3d74086e 100755
--- a/hwcompatible/compatibility.py
+++ b/hwcompatible/compatibility.py
@@ -461,8 +461,7 @@ class EulerCertification(object):
         self.test_factory.sort(key=lambda k: k["name"])
         FactoryDocument(CertEnv.factoryfile, self.test_factory).save()
 
-    @staticmethod
-    def search_factory(obj_test, test_factory):
+    def search_factory(self, obj_test, test_factory):
         """
         Determine whether test exists by searching test_factory
         :param obj_test:
diff --git a/hwcompatible/device.py b/hwcompatible/device.py
index 2ee2ac57168d699ee8cca0fda0c5d48cd2bfcc13..1b1102698ad84240497b906d947fdf4ad2528c45 100755
--- a/hwcompatible/device.py
+++ b/hwcompatible/device.py
@@ -63,8 +63,8 @@ class CertDevice(object):
                     else:
                         prop = line.split(":", 1)
                         if len(prop) == 2:
-                            tp = prop[0].strip(r'\ \'\n')
-                            attribute = prop[1].strip(r'\ \'\n')
+                            tp = prop[0].strip('\ \'\n')
+                            attribute = prop[1].strip('\ \'\n')
                             if tp == "E":
                                 keyvalue = attribute.split("=", 1)
                                 if len(keyvalue) == 2:
diff --git a/hwcompatible/job.py b/hwcompatible/job.py
index 008998491ab4855617e02b6eb8fb61fcdf005f89..90c4170b2f64108b7a6e5d54350d7c63231e5c39 100755
--- a/hwcompatible/job.py
+++ b/hwcompatible/job.py
@@ -51,8 +51,7 @@ class Job(object):
             for parameter_name, parameter_value in self.args.test_parameters:
                 self.test_parameters[parameter_name] = parameter_value
 
-    @staticmethod
-    def discover(testname, subtests_filter=None):
+    def discover(self, testname, subtests_filter=None):
         """
         discover test
         :param testname:
diff --git a/tests/acpi/acpi.py b/tests/acpi/acpi.py
index 17cc752dc3e780ab6b4aa44e4a4a9de1980e5640..f267210964c6a631bb9fe4cdd7f8f293a502bf5c 100755
--- a/tests/acpi/acpi.py
+++ b/tests/acpi/acpi.py
@@ -24,8 +24,7 @@ class AcpiTest(Test):
         Test.__init__(self)
         self.requirements = ["acpica-tools"]
 
-    @staticmethod
-    def test():
+    def test(self):
         try:
             Command("acpidump").echo()
             return True
diff --git a/tests/cdrom/cdrom.py b/tests/cdrom/cdrom.py
index 967b1beb1dc69403b2aae4f29a9fc1371887ba2d..37e7f0e073b09a0a6de414b6c4169aa7261c60ee 100755
--- a/tests/cdrom/cdrom.py
+++ b/tests/cdrom/cdrom.py
@@ -77,8 +77,7 @@ class CDRomTest(Test):
             return False
         return True
 
-    @staticmethod
-    def get_type(device):
+    def get_type(self, device):
         """
         Get the type of CDROM
         :param device:
@@ -234,8 +233,7 @@ class CDRomTest(Test):
             print(e)
             return False
 
-    @staticmethod
-    def cmp_tree(dir1, dir2):
+    def cmp_tree(self, dir1, dir2):
         """
         Compare the differences between the two directories
         :param dir1:
diff --git a/tests/clock/clock.py b/tests/clock/clock.py
index d0c20f9f902f42f4decb0bd32bbfdd58ce95d802..df5a1c99cd64b314d6b1d9c6b85d5efb78fb49bd 100755
--- a/tests/clock/clock.py
+++ b/tests/clock/clock.py
@@ -23,8 +23,7 @@ class ClockTest(Test):
     """
     Clock Test
     """
-    @staticmethod
-    def test():
+    def test(self):
         """
         Clock test case
         :return:
diff --git a/tests/cpufreq/cpufreq.py b/tests/cpufreq/cpufreq.py
index 4d1de9f9d2f8ad39837786f4f5b7957430d8f845..66bc8da7db846b3029ec430ee5f7122b20d9e1d7 100644
--- a/tests/cpufreq/cpufreq.py
+++ b/tests/cpufreq/cpufreq.py
@@ -63,8 +63,7 @@ class CPU(object):
 
         return True
 
-    @staticmethod
-    def set_freq(freq, cpu='all'):
+    def set_freq(self, freq, cpu='all'):
         """
         Set CPU frequency
         :param freq:
@@ -79,8 +78,7 @@ class CPU(object):
             print(e)
             return False
 
-    @staticmethod
-    def get_freq(cpu):
+    def get_freq(self, cpu):
         """
         Get CPU frequency
         :param cpu:
@@ -93,8 +91,7 @@ class CPU(object):
             print(e)
             return False
 
-    @staticmethod
-    def set_governor(governor, cpu='all'):
+    def set_governor(self, governor, cpu='all'):
         """
         Set the frequency governor mode of CPU
         :param governor:
@@ -109,8 +106,7 @@ class CPU(object):
             print(e)
             return False
 
-    @staticmethod
-    def get_governor(cpu):
+    def get_governor(self, cpu):
         """
         Get cpu governor
         :param cpu:
@@ -123,8 +119,7 @@ class CPU(object):
             print(e)
             return False
 
-    @staticmethod
-    def find_path(parent_dir, target_name):
+    def find_path(self, parent_dir, target_name):
         """
         Find the target path from the specified directory
         :param parent_dir:
diff --git a/tests/disk/disk.py b/tests/disk/disk.py
index 3bb7682aea62b712e0aeb0aaa0202e882bd013ea..d561a41cf999500a7ccd65bac59067d96f9372c0 100755
--- a/tests/disk/disk.py
+++ b/tests/disk/disk.py
@@ -207,8 +207,7 @@ class DiskTest(Test):
         print("#############")
         return return_code
 
-    @staticmethod
-    def do_fio(filepath, size, option):
+    def do_fio(self, filepath, size, option):
         if os.path.isdir(filepath):
             file_opt = "-directory=%s" % filepath
         else:
diff --git a/tests/ipmi/ipmi.py b/tests/ipmi/ipmi.py
index 5f8fa314893bc3b3369b8a5eec2b4a5d8ca42272..c336d35258bd8885f0136e9080da7f1308a7c4c3 100755
--- a/tests/ipmi/ipmi.py
+++ b/tests/ipmi/ipmi.py
@@ -24,8 +24,7 @@ class IpmiTest(Test):
         Test.__init__(self)
         self.requirements = ["OpenIPMI", "ipmitool"]
 
-    @staticmethod
-    def start_ipmi():
+    def start_ipmi(self):
         """
         Start IPMI test
         :return:
@@ -38,8 +37,7 @@ class IpmiTest(Test):
             return False
         return True
 
-    @staticmethod
-    def ipmitool():
+    def ipmitool(self):
         """
         Testing with iptool tools
         :return:
diff --git a/tests/memory/memory.py b/tests/memory/memory.py
index 89f515d8e5a4c95b24c342f53b1e1411021adfe3..8f6422143457a4f9b99e590f7e585d2b616c7bba 100755
--- a/tests/memory/memory.py
+++ b/tests/memory/memory.py
@@ -186,8 +186,7 @@ class MemoryTest(Test):
             return False
         return True
 
-    @staticmethod
-    def hot_plug_verify():
+    def hot_plug_verify(self):
         """
         Verify hot plug
         :return:
@@ -232,8 +231,7 @@ class MemoryTest(Test):
         if total_mem_3 != total_mem_1:
             return False
 
-    @staticmethod
-    def online_memory(memory_path):
+    def online_memory(self, memory_path):
         """
         Set memory online
         :param memory_path:
@@ -247,8 +245,7 @@ class MemoryTest(Test):
             print("Error: fail to online %s." % memory_path)
             return False
 
-    @staticmethod
-    def offline_memory(memory_path):
+    def offline_memory(self, memory_path):
         """
         Set memory offline
         :param memory_path:
diff --git a/tests/network/network.py b/tests/network/network.py
index 296e561a3cfa4bb0ba63980289de4dc7ffdbb871..ba6d6218f6c4e9d6b9cf129027ec8d96baf589bf 100755
--- a/tests/network/network.py
+++ b/tests/network/network.py
@@ -50,8 +50,7 @@ class NetworkTest(Test):
         self.target_bandwidth_percent = 0.8
         self.testfile = 'testfile'
 
-    @staticmethod
-    def ifdown(interface):
+    def ifdown(self, interface):
         """
         Judge whether the specified interface is closed successfully
         :param interface:
@@ -64,8 +63,7 @@ class NetworkTest(Test):
             time.sleep(1)
         return False
 
-    @staticmethod
-    def ifup(interface):
+    def ifup(self, interface):
         """
         Judge whether the specified interface is enabled successfully
         :param interface:
@@ -78,8 +76,7 @@ class NetworkTest(Test):
                 return True
         return False
 
-    @staticmethod
-    def get_other_interfaces():
+    def get_other_interfaces(self):
         """
         Get other interfaces
         :return:
diff --git a/tests/nvme/nvme.py b/tests/nvme/nvme.py
index 23ca495299652ed4a6e69c9659f22d954012923c..daf0634afe2f58c9839b891c5dd38e6cd0c1096b 100755
--- a/tests/nvme/nvme.py
+++ b/tests/nvme/nvme.py
@@ -86,8 +86,7 @@ class NvmeTest(Test):
             print(e)
             return False
 
-    @staticmethod
-    def in_use(disk):
+    def in_use(self, disk):
         """
         Determine whether the swapon is in use
         :param disk:
diff --git a/tests/system/system.py b/tests/system/system.py
index 55dc1c2587d62da5787b55c91102f97ec1a67807..79677351f8e6c71f427e730aacf1abaf093eb4e4 100755
--- a/tests/system/system.py
+++ b/tests/system/system.py
@@ -68,8 +68,7 @@ class SystemTest(Test):
 
         return return_code
 
-    @staticmethod
-    def check_certrpm():
+    def check_certrpm(self):
         """
         Check installed cert package
         :return:
@@ -168,8 +167,7 @@ class SystemTest(Test):
 
         return return_code
 
-    @staticmethod
-    def get_modules(sign):
+    def get_modules(self, sign):
         """
         Get the module with signs character
         :param sign:
@@ -238,8 +236,7 @@ class SystemTest(Test):
         print("")
         return True
 
-    @staticmethod
-    def read_abi_whitelist(whitelist):
+    def read_abi_whitelist(self, whitelist):
         """
         Read abi whitelist
         :param whitelist:
@@ -296,8 +293,7 @@ class SystemTest(Test):
         nm.close()
         return self.readSymbols(symbols)
 
-    @staticmethod
-    def get_modulefile(module):
+    def get_modulefile(self, module):
         """
         Get module file
         :param module:
@@ -312,8 +308,7 @@ class SystemTest(Test):
             print("Error: could no find module file for %s:" % module)
             return None
 
-    @staticmethod
-    def check_selinux():
+    def check_selinux(self):
         """
         check selinux
         :return:
diff --git a/tests/usb/usb.py b/tests/usb/usb.py
index 78500b7db26d237acdeb3afe5b0202d621f0b8d1..5b7c09a3ca314a4ac88c12dfbb3181858da65589 100755
--- a/tests/usb/usb.py
+++ b/tests/usb/usb.py
@@ -97,8 +97,7 @@ class UsbTest(Test):
             if self.ui.prompt_confirm("All usb sockets have been tested?"):
                 return True
 
-    @staticmethod
-    def get_usb():
+    def get_usb(self):
         """
         Get usb
         :return:
diff --git a/tests/watchdog/watchdog.py b/tests/watchdog/watchdog.py
index 39548bb9c158e2b60a24aefa4c15792b51ddde5b..12ca1bbbe4c5015a4a3a0669694eb70c346dbec6 100755
--- a/tests/watchdog/watchdog.py
+++ b/tests/watchdog/watchdog.py
@@ -65,8 +65,7 @@ class WatchDogTest(Test):
             print("")
             return False
 
-    @staticmethod
-    def startup():
+    def startup(self):
         """
         Initialization before test
         :return: