diff --git a/src/operators/AutoLib.py b/src/operators/AutoLib.py
index 686b567..6df80bc 100644
--- a/src/operators/AutoLib.py
+++ b/src/operators/AutoLib.py
@@ -219,7 +219,7 @@ class AutoLib(MsgBase):
                 result = 2
         # logout
         if not self.__lib_logout.logout(
-            username,
+            username
         ):
             # if logout is failed, we must make sure the host to be reloaded
             # otherwise, the next login may fail
diff --git a/src/operators/LibCheckin.py b/src/operators/LibCheckin.py
index 9e45f30..86ae0fa 100644
--- a/src/operators/LibCheckin.py
+++ b/src/operators/LibCheckin.py
@@ -70,18 +70,21 @@ class LibCheckin(LibOperator):
                         f"          {details[1]}\n"\
                         f"          {details[2]}\n"\
                         f"          {details[3]}\n"\
-                        f"          {details[4]}")
+                        f"          {details[4]}"
+                    )
             else:
                 self._showTrace(f"\n"\
                          "      签到成功 !\n"\
-                         "          未获取到签到详情 !")
+                         "          未获取到签到详情 !"
+                    )
             ok_btn.click()
             return True
         else:
             failure_reason = result_message.replace("签到失败", "").strip()
             self._showTrace(f"\n"\
                 "      签到失败 !\n"\
-                f"          {failure_reason}")
+                f"          {failure_reason}"
+                )
             ok_btn.click()
             return False
 
diff --git a/src/operators/LibReserve.py b/src/operators/LibReserve.py
index 79fd789..0c3a728 100644
--- a/src/operators/LibReserve.py
+++ b/src/operators/LibReserve.py
@@ -88,11 +88,13 @@ class LibReserve(LibOperator):
                         f"          {contents[1]}\n"\
                         f"          {contents[2]}\n"\
                         f"          {contents[3]}\n"\
-                        f"          签到时间 ：{contents[5]}")
+                        f"          签到时间 ：{contents[5]}"
+                    )
                 else:
-                    self._showTrace(f"\n"\
-                        f"      预约成功 !\n"\
-                        f"          未找获取到详细信息")
+                    self._showTrace("\n"\
+                        "      预约成功 !\n"\
+                        "          未找获取到详细信息"
+                    )
             return True
         except:
             self._showTrace(f"预约结果加载失败 !")