diff --git a/pytomoatt/_version.py b/pytomoatt/_version.py
index 0b1bdb2..a53c568 100644
--- a/pytomoatt/_version.py
+++ b/pytomoatt/_version.py
@@ -1 +1 @@
-__version__ = '0.2.12'
\ No newline at end of file
+__version__ = '0.2.13'
diff --git a/pytomoatt/utils/common.py b/pytomoatt/utils/common.py
index 5f7699a..cede4c2 100644
--- a/pytomoatt/utils/common.py
+++ b/pytomoatt/utils/common.py
@@ -199,6 +199,17 @@ def str2val(str_val):
     except ValueError:
         pass
 
+    if str_val.lower() in ['true', 'false', 'yes', 'no']:
+        return str_val.lower() in ['true', 'yes']
+
+    # return list of boolean
+    try:
+        items = [v.strip() for v in str_val.strip('[]').split(',')]
+        if all(v.lower() in ['true', 'false', 'yes', 'no'] for v in items):
+            return [v.lower() in ['true', 'yes'] for v in items]
+    except Exception:
+        pass
+
     return str_val