diff --git a/qt4a/androiddriver/adb.py b/qt4a/androiddriver/adb.py
index 262c115..14470b0 100644
--- a/qt4a/androiddriver/adb.py
+++ b/qt4a/androiddriver/adb.py
@@ -450,8 +450,7 @@ def wait_for_boot_complete(self, _timeout=180):
         wait_period = 5
         while not boot_complete and (attempts * wait_period) < _timeout:
             output = self.run_shell_cmd("getprop sys.boot_completed", retry_count=1)
-            output = output.strip()
-            if output == "1":
+            if output and output.strip() == "1":
                 boot_complete = True
             else:
                 time.sleep(wait_period)
diff --git a/qt4a/androiddriver/devicedriver.py b/qt4a/androiddriver/devicedriver.py
index 680c452..7c363ea 100644
--- a/qt4a/androiddriver/devicedriver.py
+++ b/qt4a/androiddriver/devicedriver.py
@@ -20,6 +20,8 @@
 import re
 import os
 import time
+import traceback
+
 import six
 from qt4a.androiddriver.adb import ADB
 from qt4a.androiddriver.clientsocket import DirectAndroidSpyClient
@@ -127,8 +129,10 @@ def is_package_installed(self, pkg_name, pkg_size, pkg_md5):
         :param pkg_md5:   安装包md5
         :type pkg_md5:    string
         """
+        timeout = 60
         ret = self.run_driver_cmd(
-            "isPackageInstalled", pkg_name, pkg_size, pkg_md5, root=self.adb.is_rooted()
+            "isPackageInstalled", pkg_name, pkg_size, pkg_md5, root=self.adb.is_rooted(),
+            timeout=timeout
         )
         return "true" in ret
 
@@ -295,12 +299,32 @@ def get_screen_size(self):
         width, height = result.split(",")
         return int(width), int(height)
 
+    def _take_screen_shot(self, path, _format='png', quality=90):
+        """
+        使用android系统命令截图
+        # todo:使用android的java接口替换该方案
+        """
+        # result = self.adb.run_shell_cmd(
+        #     "sh %s/SpyHelper.sh takeScreenshot %s %s %s" % (qt4a_path, path, _format, quality), self.adb.is_rooted())
+        # if 'true' in result:
+        #     return True
+        # logger.warn("Take screenshot by SpyHelper.sh failed: %s" % result)
+        try:
+            result = self.adb.run_shell_cmd("screencap -p", binary_output=True)
+            return result
+        except Exception as e:
+            logger.warn("Take screenshot failed: %s" % traceback.format_exc(e))
+            return False
+
     def take_screen_shot(self, path, quality=90):
         """截屏
         """
-        result = self.adb.run_shell_cmd(
-            "%s/screenshot capture -q %s" % (qt4a_path, quality), binary_output=True
-        )
+        if self.adb.get_sdk_version() >= 29:
+            result = self._take_screen_shot(path)
+        else:
+            result = self.adb.run_shell_cmd(
+                "%s/screenshot capture -q %s" % (qt4a_path, quality), binary_output=True
+            )
         # 为避免pull文件耗时，直接写到stdout
         if len(result) < 256:
             logger.warn("Take screenshot failed: %s" % result)
diff --git a/qt4a/androiddriver/tools/arm64-v8a/droid_inject b/qt4a/androiddriver/tools/arm64-v8a/droid_inject
index 667b374..12755cd 100644
Binary files a/qt4a/androiddriver/tools/arm64-v8a/droid_inject and b/qt4a/androiddriver/tools/arm64-v8a/droid_inject differ
diff --git a/qt4a/androiddriver/tools/arm64-v8a/droid_inject64 b/qt4a/androiddriver/tools/arm64-v8a/droid_inject64
index fcd496f..e03f19f 100644
Binary files a/qt4a/androiddriver/tools/arm64-v8a/droid_inject64 and b/qt4a/androiddriver/tools/arm64-v8a/droid_inject64 differ
diff --git a/qt4a/androiddriver/tools/armeabi-v7a/droid_inject b/qt4a/androiddriver/tools/armeabi-v7a/droid_inject
index 667b374..a2a7ee0 100644
Binary files a/qt4a/androiddriver/tools/armeabi-v7a/droid_inject and b/qt4a/androiddriver/tools/armeabi-v7a/droid_inject differ
diff --git a/qt4a/androiddriver/tools/armeabi/droid_inject b/qt4a/androiddriver/tools/armeabi/droid_inject
index eeec863..12755cd 100644
Binary files a/qt4a/androiddriver/tools/armeabi/droid_inject and b/qt4a/androiddriver/tools/armeabi/droid_inject differ
diff --git a/qt4a/androiddriver/tools/version.txt b/qt4a/androiddriver/tools/version.txt
index 725cdcd..4be28fd 100644
--- a/qt4a/androiddriver/tools/version.txt
+++ b/qt4a/androiddriver/tools/version.txt
@@ -1 +1 @@
-193
\ No newline at end of file
+194
\ No newline at end of file
diff --git a/qt4a/androiddriver/tools/x86/droid_inject b/qt4a/androiddriver/tools/x86/droid_inject
index a6a1d0e..12576ec 100644
Binary files a/qt4a/androiddriver/tools/x86/droid_inject and b/qt4a/androiddriver/tools/x86/droid_inject differ
diff --git a/qt4a/device.py b/qt4a/device.py
index 8546778..d019da5 100644
--- a/qt4a/device.py
+++ b/qt4a/device.py
@@ -747,6 +747,7 @@ def read_logcat(self, tag, process_name_pattern, pattern, num=1):
         pat = re.compile(r'^\[(.+)\(\d+\)\]\s+\[.+\]\s+\w/(.+)\(\s*\d+\):\s+(.+)$')
         log_pat = re.compile(pattern)
         log_list = self.adb.get_log(False)
+        log_list = [i.decode("utf-8") for i in log_list]
         result_list = []
         k = 0
         for i in range(len(log_list) - 1, -1, -1):