diff --git a/ZFChartView/ZFChartView/ZFChart/ZFLineChart/ZFLine.m b/ZFChartView/ZFChartView/ZFChart/ZFLineChart/ZFLine.m
index 22b6a66..1883f39 100644
--- a/ZFChartView/ZFChartView/ZFChart/ZFLineChart/ZFLine.m
+++ b/ZFChartView/ZFChartView/ZFChart/ZFLineChart/ZFLine.m
@@ -121,6 +121,7 @@ - (UIBezierPath *)bezierWithValuePointArray:(NSMutableArray *)valuePointArray li
  */
 - (CALayer *)lineGradientColor{
     CALayer * layer = [CALayer layer];
+    layer.name = @"gradientLayer";
     CAGradientLayer * gradientLayer = [CAGradientLayer layer];
     gradientLayer.frame = CGRectMake(0, 0, CGRectGetWidth(self.frame), CGRectGetHeight(self.frame));
     gradientLayer.colors = _gradientAttribute.colors;
diff --git a/ZFChartView/ZFChartView/ZFChart/ZFLineChart/ZFLineChart.m b/ZFChartView/ZFChartView/ZFChart/ZFLineChart/ZFLineChart.m
index 9ef29c7..bc7ae6c 100644
--- a/ZFChartView/ZFChartView/ZFChart/ZFLineChart/ZFLineChart.m
+++ b/ZFChartView/ZFChartView/ZFChart/ZFLineChart/ZFLineChart.m
@@ -409,6 +409,9 @@ - (void)removeAllSubLayer{
             [layer removeAllAnimations];
             [layer removeFromSuperlayer];
         }
+        if ([layer.name isEqualToString:@"gradientLayer"]) {
+            [layer removeFromSuperlayer];
+        }
     }
 }