diff --git a/src/operators/AutoLib.py b/src/operators/AutoLib.py
index 271963d..d5048ee 100644
--- a/src/operators/AutoLib.py
+++ b/src/operators/AutoLib.py
@@ -214,9 +214,7 @@ class AutoLib(MsgBase):
             login_config.get("auto_captcha", True),
         ):
             return 1
-        """
-            Here, we collect the run mode from the run config.
-        """
+        # Here, we collect the run mode from the run config.
         run_mode = run_mode_config.get("run_mode", 0)
         run_mode = {
             "auto_reserve": run_mode&0x1,
diff --git a/src/operators/LibChecker.py b/src/operators/LibChecker.py
index d9635e8..3621304 100644
--- a/src/operators/LibChecker.py
+++ b/src/operators/LibChecker.py
@@ -336,15 +336,15 @@ class LibChecker(LibOperator):
     def postRenewCheck(
         self,
         record: dict
-    ):
+    ) -> bool:
         """
-        Check if the renew operation is successful
+            Check if the renew operation is successful
 
-        Args:
-            record (dict): The expected record after renewal
+            Args:
+                record (dict): The expected record after renewal
 
-        Returns:
-            bool: True if the renew operation is successful, False otherwise
+            Returns:
+                bool: True if the renew operation is successful, False otherwise
         """
         # because the special circumstance that the renew operation
         # do not show the success message or anything else,