diff --git a/demo/src/ListDemo.ts b/demo/src/ListDemo.ts
index 9c037881..81e65d97 100644
--- a/demo/src/ListDemo.ts
+++ b/demo/src/ListDemo.ts
@@ -109,5 +109,6 @@ class ListPanel extends Panel {
             }
             it.bgColor = Color.WHITE
         }).in(rootView)
+        refreshView.bgColor = Color.YELLOW
     }
 }
\ No newline at end of file
diff --git a/demo/src/RefreshableDemo.ts b/demo/src/RefreshableDemo.ts
index 211108be..0b967c01 100644
--- a/demo/src/RefreshableDemo.ts
+++ b/demo/src/RefreshableDemo.ts
@@ -102,6 +102,8 @@ class RefreshableDemo extends Panel {
             } as IVLayout)).apply({
                 layoutConfig: layoutConfig().atmost(),
             })
+        }).apply({
+            bgColor: Color.YELLOW
         }).in(rootView)
     }
 }
\ No newline at end of file
diff --git a/iOS/Pod/Classes/Refresh/DoricSwipeRefreshLayout.m b/iOS/Pod/Classes/Refresh/DoricSwipeRefreshLayout.m
index 95c1f613..7f126026 100644
--- a/iOS/Pod/Classes/Refresh/DoricSwipeRefreshLayout.m
+++ b/iOS/Pod/Classes/Refresh/DoricSwipeRefreshLayout.m
@@ -18,6 +18,9 @@ - (instancetype)initWithFrame:(CGRect)frame {
         self.showsVerticalScrollIndicator = NO;
         self.alwaysBounceVertical = YES;
         self.delegate = self;
+        if (@available(iOS 11, *)) {
+            self.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
+        }
     }
     return self;
 }
@@ -28,6 +31,9 @@ - (instancetype)init {
         self.showsVerticalScrollIndicator = NO;
         self.alwaysBounceVertical = YES;
         self.delegate = self;
+        if (@available(iOS 11, *)) {
+            self.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
+        }
     }
     return self;
 }
@@ -80,9 +86,10 @@ - (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL
 - (void)scrollViewDidScroll:(UIScrollView *)scrollView {
     if (scrollView.contentOffset.y <= 0) {
         [self.swipePullingDelegate setProgressRotation:-scrollView.contentOffset.y / self.headerView.height];
-        self.bounces = YES;
+        //self.bounces = YES;
     } else {
-        self.bounces = NO;
+        //self.bounces = NO;
+        //scrollView.contentOffset = CGPointMake(scrollView.contentOffset.x, 0);
     }
 }