diff --git a/lib/src/guide/axis/horizontal.dart b/lib/src/guide/axis/horizontal.dart
index 24cefb7..704192a 100644
--- a/lib/src/guide/axis/horizontal.dart
+++ b/lib/src/guide/axis/horizontal.dart
@@ -40,7 +40,7 @@ List<MarkElement>? renderHorizontalAxis(
             style: tick.tickLine!.style));
       }
       if (tick.haveLabel) {
-        final babel = LabelElement(
+        final label = LabelElement(
             text: tick.text!,
             anchor: Offset(x, y),
             defaultAlign: flip ? Alignment.topCenter : Alignment.bottomCenter,
@@ -48,12 +48,12 @@ List<MarkElement>? renderHorizontalAxis(
 
         if (tick.haveLabelBackground) {
           rst.add(RectElement(
-            rect: babel.getBlock(),
+            rect: label.getBlock(),
             style: tick.labelBackground!,
           ));
         }
 
-        rst.add(babel);
+        rst.add(label);
       }
     }
   }
diff --git a/lib/src/guide/axis/radial.dart b/lib/src/guide/axis/radial.dart
index aaf206c..da9867a 100644
--- a/lib/src/guide/axis/radial.dart
+++ b/lib/src/guide/axis/radial.dart
@@ -92,7 +92,7 @@ List<MarkElement>? renderRadialAxis(
   final labelAlign = radialLabelAlign(featureOffset) * flipSign;
   for (var index in labelAnchors.keys) {
     final tick = ticks[index];
-    final babel = LabelElement(
+    final label = LabelElement(
         text: tick.text!,
         anchor: labelAnchors[index]!,
         defaultAlign: labelAlign,
@@ -100,12 +100,12 @@ List<MarkElement>? renderRadialAxis(
 
     if (tick.haveLabelBackground) {
       rst.add(RectElement(
-        rect: babel.getBlock(),
+        rect: label.getBlock(),
         style: tick.labelBackground!,
       ));
     }
 
-    rst.add(babel);
+    rst.add(label);
   }
 
   return rst.isEmpty ? null : rst;
diff --git a/lib/src/guide/axis/vertical.dart b/lib/src/guide/axis/vertical.dart
index 585cc6b..14d8864 100644
--- a/lib/src/guide/axis/vertical.dart
+++ b/lib/src/guide/axis/vertical.dart
@@ -40,7 +40,7 @@ List<MarkElement>? renderVerticalAxis(
             style: tick.tickLine!.style));
       }
       if (tick.haveLabel) {
-        final babel = LabelElement(
+        final label = LabelElement(
             text: tick.text!,
             anchor: Offset(x, y),
             defaultAlign: flip ? Alignment.centerRight : Alignment.centerLeft,
@@ -48,12 +48,12 @@ List<MarkElement>? renderVerticalAxis(
 
         if (tick.haveLabelBackground) {
           rst.add(RectElement(
-            rect: babel.getBlock(),
+            rect: label.getBlock(),
             style: tick.labelBackground!,
           ));
         }
 
-        rst.add(babel);
+        rst.add(label);
       }
     }
   }