diff --git a/ufo/config/config_dev.yaml b/ufo/config/config_dev.yaml
index e20c5b31..f5fe477f 100644
--- a/ufo/config/config_dev.yaml
+++ b/ufo/config/config_dev.yaml
@@ -3,7 +3,7 @@ MAX_STEP: 100  # The max step limit for completing the user request
 SLEEP_TIME: 5  # The sleep time between each step to wait for the window to be ready
 RECTANGLE_TIME: 1
 
-SAFE_GUARD: False  # Whether to use the safe guard to prevent the model from doing sensitve operations.
+SAFE_GUARD: True  # Whether to use the safe guard to prevent the model from doing sensitve operations.
 CONTROL_LIST: ["Button", "Edit", "TabItem", "Document", "ListItem", "MenuItem", "ScrollBar", "TreeItem", "Hyperlink", "ComboBox", "RadioButton", "DataItem"] 
 # The list of widgets that allowed to be selected, in uia backend, it will be used for filter the control_type, while in win32 backend, it will be used for filter the class_name.
 HISTORY_KEYS: ["Step", "Thought", "ControlText", "Subtask", "Action", "Comment", "Results", "UserConfirm"]  # The keys of the action history for the next step.