diff --git a/case/base_case.py b/case/base_case.py
index 27a145c16032c897907220a08fc9547893ba9ddc..044d5b12aa669d98988a7530952608d565fb7ecc 100644
--- a/case/base_case.py
+++ b/case/base_case.py
@@ -12,8 +12,9 @@ import pylinuxauto
 
 class BaseCase(AssertMethod):
     """用例基类"""
+
     def click_restore(self):
         """
         点击左上角
         """
-        pylinuxauto.mousekey.click(10, 10)
\ No newline at end of file
+        pylinuxauto.mousekey.click(10, 10)
diff --git a/case/test_dde_1271153.py b/case/test_dde_1271153.py
index 4fbae7771457b67d58d60f667931abab0cee06a2..00a899efbab863828079de8dc94cc2b773cfb19e 100644
--- a/case/test_dde_1271153.py
+++ b/case/test_dde_1271153.py
@@ -10,7 +10,7 @@ class TestDdeCase(BaseCase):
         euler = DdeMethod()
         euler.dde_method_open_software_by_launcher("guidang")
         sleep(2)
-        self.assert_process_status(True, 'deepin-compressor')
+        self.assert_process_status(True, "deepin-compressor")
 
     def teardown_method(self):
         """"""
diff --git a/case/test_dde_1271169.py b/case/test_dde_1271169.py
new file mode 100644
index 0000000000000000000000000000000000000000..65ec66abdf6bade45dd6e6f3acbee7c22c4d9347
--- /dev/null
+++ b/case/test_dde_1271169.py
@@ -0,0 +1,18 @@
+from pylinuxauto import sleep
+from case.base_case import BaseCase
+from method.dde_method import DdeMethod
+
+
+class TestDdeCase(BaseCase):
+    def test_dde_1271169(self):
+        """日志收集工具-单模块日志导出"""
+        euler = DdeMethod()
+        euler.dde_method_open_software_by_launcher("rizhishoujigongju")
+        sleep(6)
+        euler.deepin_log_viewer_method_export_log_by_attr("Boot-Shutdown Event", "Html (*.html)")
+        self.assert_image_exist_in_dde("test_dde_1271169")
+
+    def teardown_method(self):
+        """通过命令关闭日志收集工具"""
+        DdeMethod().base_method_kill_process_by_cmd("deepin-log-viewer")
+        DdeMethod().base_method_delete_all_file_in_documents_by_cmd()
diff --git a/case/test_dde_1271247.py b/case/test_dde_1271247.py
index 066bdcef164ee20ad1c9ea479dfef149164b551b..8decff7cdf49d45c585dbe4147f686a45432fe27 100644
--- a/case/test_dde_1271247.py
+++ b/case/test_dde_1271247.py
@@ -7,22 +7,21 @@ import pylinuxauto
 class TestDdeCase(BaseCase):
     def test_dde_1271247(self):
         """终端关闭"""
-        app_name = 'deepin-terminal'
+        app_name = "deepin-terminal"
         DdeMethod().base_method_kill_process_by_cmd(app_name)
         pylinuxauto.ctrl_alt_t()
         DdeMethod().base_method_click_by_img("terminal_set_btn.png")
         sleep(1)
         DdeMethod().base_method_click_by_ocr("远程管理")
         sleep(1)
-        x, y = pylinuxauto.find_element_by_ocr('未添加').result
-        pylinuxauto.click(x-150, y)
-        self.assert_ocr_not_exist('未添加')
+        x, y = pylinuxauto.find_element_by_ocr("未添加").result
+        pylinuxauto.click(x - 150, y)
+        self.assert_ocr_not_exist("未添加")
 
         pylinuxauto.alt_f4()
         sleep(1)
         self.assert_process_status(False, app_name)
 
-
     def teardown_method(self):
         """"""
-        pylinuxauto.alt_f4()
\ No newline at end of file
+        pylinuxauto.alt_f4()
diff --git a/case/test_dde_1271293.py b/case/test_dde_1271293.py
index c78de0841856ce2f1b07f7a2e68e336ceff03e6e..d9d43b0ae96745f721ba86120cf803e1987f49fb 100644
--- a/case/test_dde_1271293.py
+++ b/case/test_dde_1271293.py
@@ -12,7 +12,7 @@ class TestDdeCase(BaseCase):
         sleep(6)
         DdeControlCenterMethod().dde_control_center_method_click_system_info_by_attr()
         sleep(1)
-        self.assert_image_exist_in_dde('logo_deepin.png')
+        self.assert_image_exist_in_dde("logo_deepin.png")
 
     def teardown_method(self):
         """关闭控制中心"""
diff --git a/case/test_dde_1271315.py b/case/test_dde_1271315.py
index 2add15cb2d8f4b7927b40c043c32fe6ee66082d8..c9a408b1ce1ad8deb04ca8d87d364d7f7c3fdae0 100644
--- a/case/test_dde_1271315.py
+++ b/case/test_dde_1271315.py
@@ -21,7 +21,7 @@ class TestDdeCase(BaseCase):
         sleep(1)
         self.assert_ocr_exist("搜索")
         sleep(1)
-        DdeMethod().base_method_click_by_img('launcher_power_btn.png')
+        DdeMethod().base_method_click_by_img("launcher_power_btn.png")
         sleep(1)
         self.assert_ocr_exist("关机")
         pylinuxauto.mousekey.click(10, 10)
diff --git a/case/test_dde_1271327.py b/case/test_dde_1271327.py
index 8056291090937673ca5912692f79fcbbf40b5d2e..00900c43ffb507d47c70e82286b86a3c4e8ee183 100644
--- a/case/test_dde_1271327.py
+++ b/case/test_dde_1271327.py
@@ -6,16 +6,16 @@ from case.base_case import BaseCase
 class TestDdeCase(BaseCase):
     def test_dde_1271327_1(self):
         """快捷键关闭剪贴板"""
-        pylinuxauto.hot_key('ctrl', 'alt', 'v')
+        pylinuxauto.hot_key("ctrl", "alt", "v")
         time.sleep(2)
         self.assert_ocr_exist("剪贴板")
-        pylinuxauto.hot_key('ctrl', 'alt', 'v')
+        pylinuxauto.hot_key("ctrl", "alt", "v")
         time.sleep(2)
         self.assert_ocr_not_exist("剪贴板")
-    
+
     def test_dde_1271327_2(self):
         """点击空白处关闭剪贴板"""
-        pylinuxauto.hot_key('ctrl', 'alt', 'v')
+        pylinuxauto.hot_key("ctrl", "alt", "v")
         time.sleep(2)
         self.assert_ocr_exist("剪贴板")
         pylinuxauto.click(1000, 500)
diff --git a/case/test_dde_1271331.py b/case/test_dde_1271331.py
index a7f410fe88dde09c89b2199a3b49f31ae11877a3..87a0acf06a2a0388d6a0e9e8b1beb6d5952b56d5 100644
--- a/case/test_dde_1271331.py
+++ b/case/test_dde_1271331.py
@@ -4,19 +4,19 @@ from case.base_case import BaseCase
 from method.dde_terminal_method import DdeTerminalMethod
 from method.dde_method import DdeMethod
 
+
 class TestDdeCase(BaseCase):
     def test_dde_1271331(self):
         """桌面-右键菜单-在终端中打开"""
-        pylinuxauto.hot_key('win', 'd')
+        pylinuxauto.hot_key("win", "d")
         time.sleep(2)
         euler = DdeTerminalMethod()
         euler.dde_terminal_method__right_click_by_xy()
         time.sleep(2)
-        
+
         self.assert_ocr_exist("uos@")
-    
+
     def teardown_method(self):
         """关闭窗口"""
         DdeMethod().dde_method_close_window()
         time.sleep(2)
-