diff --git a/solox/__init__.py b/solox/__init__.py
index 18f874c..10bb4d6 100644
--- a/solox/__init__.py
+++ b/solox/__init__.py
@@ -2,4 +2,4 @@
 
 from __future__ import absolute_import
 
-__version__ = '2.7.8'
+__version__ = '2.7.9'
diff --git a/solox/public/apm_pk.py b/solox/public/apm_pk.py
index 41f0af1..975f28c 100644
--- a/solox/public/apm_pk.py
+++ b/solox/public/apm_pk.py
@@ -28,10 +28,10 @@ def getprocessCpuStat(self, pkgName, deviceId):
         return processCpu
 
 
-    def getTotalCpuStat(self):
+    def getTotalCpuStat(self, deviceId):
         """get the total cpu usage at a certain time"""
         cmd = 'cat /proc/stat |{} ^cpu'.format(d.filterType())
-        result = adb.shell(cmd=cmd, deviceId=self.deviceId)
+        result = adb.shell(cmd=cmd, deviceId=deviceId)
         totalCpu = 0
         lines = result.split('\n')
         for line in lines:
diff --git a/solox/public/common.py b/solox/public/common.py
index 7f6f9e8..d1de41e 100644
--- a/solox/public/common.py
+++ b/solox/public/common.py
@@ -80,11 +80,15 @@ def getIdbyDevice(self, deviceinfo, platform):
         else:
             deviceId = deviceinfo
         return deviceId
+    
+    def getSdkVersion(self, deviceId):
+        version = adb.shell(cmd='getprop ro.build.version.sdk', deviceId=deviceId)
+        return version
 
     def getPid(self, deviceId, pkgName):
         """Get the pid corresponding to the Android package name"""
         try:
-            sdkversion = adb.shell(cmd='getprop ro.build.version.sdk', deviceId=deviceId)
+            sdkversion = self.getSdkVersion(deviceId)
             if sdkversion and int(sdkversion) < 26:
                 result = os.popen(f"{self.adb} -s {deviceId} shell ps | {self.filterType()} {pkgName}").readlines()
                 processList = ['{}:{}'.format(process.split()[1],process.split()[8]) for process in result]
@@ -131,11 +135,16 @@ def checkPkgname(self, pkgname):
                 flag = False
         return flag
 
-    def getPkgname(self, devicesId):
+    def getPkgname(self, deviceId):
         """Get all package names of Android devices"""
-        pkginfo = os.popen(f"{self.adb} -s {devicesId} shell pm list package")
+        pkginfo = os.popen(f"{self.adb} -s {deviceId} shell pm list packages --user 0")
         pkglist = [p.lstrip('package').lstrip(":").strip() for p in pkginfo]
-        return pkglist
+        if pkglist.__len__() > 0:
+            return pkglist
+        else:
+            pkginfo = os.popen(f"{self.adb} -s {deviceId} shell pm list packages")
+            pkglist = [p.lstrip('package').lstrip(":").strip() for p in pkginfo]
+            return pkglist
 
     def getDeviceInfoByiOS(self):
         """Get a list of all successfully connected iOS devices"""
diff --git a/solox/templates/base.html b/solox/templates/base.html
index 9e61f64..0e98ac5 100644
--- a/solox/templates/base.html
+++ b/solox/templates/base.html
@@ -130,7 +130,7 @@ <h2 class="page-title">
                         </li>
                         <li class="list-inline-item">
                             <a href="https://github.com/smart-test-ti/SoloX/releases" target="_blank" class="link-secondary" rel="noopener">
-                                {% if lan == 'cn' %} 版本 {% else %} Releases {% endif %} . V2.7.8
+                                {% if lan == 'cn' %} 版本 {% else %} Releases {% endif %} . V2.7.9
                             </a>
                         </li>
                     </ul>