diff --git a/MJRefresh/Base/MJRefreshComponent.m b/MJRefresh/Base/MJRefreshComponent.m
index c9896145..6770c741 100644
--- a/MJRefresh/Base/MJRefreshComponent.m
+++ b/MJRefresh/Base/MJRefreshComponent.m
@@ -112,7 +112,7 @@ - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(N
     }
     
     // 看不见
-    if (self.hidden || self.alpha <= 0.01) return;
+    if (self.hidden) return;
     if ([keyPath isEqualToString:MJRefreshKeyPathContentOffset]) {
         [self scrollViewContentOffsetDidChange:change];
     } else if ([keyPath isEqualToString:MJRefreshKeyPathPanState]) {
diff --git a/MJRefreshExample/MJRefreshExample.xcodeproj/project.xcworkspace/xcuserdata/mj.xcuserdatad/UserInterfaceState.xcuserstate b/MJRefreshExample/MJRefreshExample.xcodeproj/project.xcworkspace/xcuserdata/mj.xcuserdatad/UserInterfaceState.xcuserstate
index 134a8263..7edd13e1 100644
Binary files a/MJRefreshExample/MJRefreshExample.xcodeproj/project.xcworkspace/xcuserdata/mj.xcuserdatad/UserInterfaceState.xcuserstate and b/MJRefreshExample/MJRefreshExample.xcodeproj/project.xcworkspace/xcuserdata/mj.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/MJRefreshExample/MJRefreshExample/Base.lproj/Main.storyboard b/MJRefreshExample/MJRefreshExample/Base.lproj/Main.storyboard
index 54aad71e..d1d55829 100644
--- a/MJRefreshExample/MJRefreshExample/Base.lproj/Main.storyboard
+++ b/MJRefreshExample/MJRefreshExample/Base.lproj/Main.storyboard
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="8121.17" systemVersion="14E33b" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="06B-cM-i4B">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="7703" systemVersion="14F25a" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="06B-cM-i4B">
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="8101.14"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6711"/>
     </dependencies>
     <scenes>
         <!--Tab Bar Controller-->
diff --git a/MJRefreshExample/MJRefreshExample/Classes/MJSingleViewController.m b/MJRefreshExample/MJRefreshExample/Classes/MJSingleViewController.m
index 5d2a8d0b..b21e070a 100644
--- a/MJRefreshExample/MJRefreshExample/Classes/MJSingleViewController.m
+++ b/MJRefreshExample/MJRefreshExample/Classes/MJSingleViewController.m
@@ -40,7 +40,6 @@ - (void)viewDidLoad {
             [tableView.footer endRefreshing];
         });
     }];
-    tableView.footer.automaticallyChangeAlpha = YES;
 }
 
 - (NSInteger)tableView:(nonnull UITableView *)tableView numberOfRowsInSection:(NSInteger)section