diff --git a/MJRefresh.podspec b/MJRefresh.podspec
index 41a008ac..9ee6d711 100644
--- a/MJRefresh.podspec
+++ b/MJRefresh.podspec
@@ -1,13 +1,13 @@
 Pod::Spec.new do |s|
     s.name         = 'MJRefresh'
-    s.version      = '3.1.15'
+    s.version      = '3.1.15.1'
     s.summary      = 'An easy way to use pull-to-refresh'
     s.homepage     = 'https://github.com/CoderMJLee/MJRefresh'
     s.license      = 'MIT'
-    s.authors      = {'MJ Lee' => '199109106@qq.com'}
+    s.authors      = {'MJ Lee' => 'richermj123go@vip.qq.com'}
     s.platform     = :ios, '6.0'
     s.source       = {:git => 'https://github.com/CoderMJLee/MJRefresh.git', :tag => s.version}
-    s.source_files = 'MJRefresh/**/*.{h,m}'
+    s.source_files = 'MJRefresh/*.{h,m}'
     s.resource     = 'MJRefresh/MJRefresh.bundle'
     s.requires_arc = true
 end
diff --git a/MJRefresh/Base/MJRefreshFooter.m b/MJRefresh/Base/MJRefreshFooter.m
index 75ba9aaa..7b4e14ce 100644
--- a/MJRefresh/Base/MJRefreshFooter.m
+++ b/MJRefresh/Base/MJRefreshFooter.m
@@ -8,6 +8,7 @@
 //
 
 #import "MJRefreshFooter.h"
+#include "UIScrollView+MJRefresh.h"
 
 @interface MJRefreshFooter()
 
@@ -75,4 +76,20 @@ - (void)resetNoMoreData
         self.state = MJRefreshStateIdle;
     });
 }
+
+- (void)setAutomaticallyHidden:(BOOL)automaticallyHidden
+{
+    _automaticallyHidden = automaticallyHidden;
+    
+    if (automaticallyHidden) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wundeclared-selector"
+        static dispatch_once_t onceToken;
+        dispatch_once(&onceToken, ^{
+            [UITableView exchangeInstanceMethod1:@selector(reloadData) method2:@selector(mj_reloadData)];
+            [UICollectionView exchangeInstanceMethod1:@selector(reloadData) method2:@selector(mj_reloadData)];
+        });
+#pragma clang diagnostic pop
+    }
+}
 @end
diff --git a/MJRefresh/Base/MJRefreshHeader.m b/MJRefresh/Base/MJRefreshHeader.m
index 3769f416..19dd1e1c 100644
--- a/MJRefresh/Base/MJRefreshHeader.m
+++ b/MJRefresh/Base/MJRefreshHeader.m
@@ -54,7 +54,7 @@ - (void)scrollViewContentOffsetDidChange:(NSDictionary *)change
     
     // 在刷新的refreshing状态
     if (self.state == MJRefreshStateRefreshing) {
-        if (self.window == nil) return;
+//        if (self.window == nil) return;
         
         // sectionheader停留解决
         CGFloat insetT = - self.scrollView.mj_offsetY > _scrollViewOriginalInset.top ? - self.scrollView.mj_offsetY : _scrollViewOriginalInset.top;
diff --git a/MJRefresh/UIScrollView+MJRefresh.h b/MJRefresh/UIScrollView+MJRefresh.h
index 17d47153..5da030f0 100644
--- a/MJRefresh/UIScrollView+MJRefresh.h
+++ b/MJRefresh/UIScrollView+MJRefresh.h
@@ -12,6 +12,11 @@
 
 @class MJRefreshHeader, MJRefreshFooter;
 
+@interface NSObject (MJRefresh)
++ (void)exchangeInstanceMethod1:(SEL)method1 method2:(SEL)method2;
++ (void)exchangeClassMethod1:(SEL)method1 method2:(SEL)method2;
+@end
+
 @interface UIScrollView (MJRefresh)
 /** 下拉刷新控件 */
 @property (strong, nonatomic) MJRefreshHeader *mj_header;
diff --git a/MJRefresh/UIScrollView+MJRefresh.m b/MJRefresh/UIScrollView+MJRefresh.m
index b1b99426..316263d1 100644
--- a/MJRefresh/UIScrollView+MJRefresh.m
+++ b/MJRefresh/UIScrollView+MJRefresh.m
@@ -134,11 +134,6 @@ - (void)executeReloadDataBlock
 
 @implementation UITableView (MJRefresh)
 
-+ (void)load
-{
-    [self exchangeInstanceMethod1:@selector(reloadData) method2:@selector(mj_reloadData)];
-}
-
 - (void)mj_reloadData
 {
     [self mj_reloadData];
@@ -149,11 +144,6 @@ - (void)mj_reloadData
 
 @implementation UICollectionView (MJRefresh)
 
-+ (void)load
-{
-    [self exchangeInstanceMethod1:@selector(reloadData) method2:@selector(mj_reloadData)];
-}
-
 - (void)mj_reloadData
 {
     [self mj_reloadData];
diff --git a/MJRefreshExample/Classes/Second/MJTableViewController.m b/MJRefreshExample/Classes/Second/MJTableViewController.m
index 3be9ed79..172797d5 100644
--- a/MJRefreshExample/Classes/Second/MJTableViewController.m
+++ b/MJRefreshExample/Classes/Second/MJTableViewController.m
@@ -185,7 +185,6 @@ - (void)example14
 - (void)reset
 {
     [self.tableView.mj_footer setRefreshingTarget:self refreshingAction:@selector(loadMoreData)];
-//    [self.tableView.mj_footer beginRefreshing];
     [self.tableView.mj_footer resetNoMoreData];
 }
 
diff --git a/MJRefreshExample/Images.xcassets/AppIcon.appiconset/Contents.json b/MJRefreshExample/Images.xcassets/AppIcon.appiconset/Contents.json
index 7da96044..40f32c61 100644
--- a/MJRefreshExample/Images.xcassets/AppIcon.appiconset/Contents.json
+++ b/MJRefreshExample/Images.xcassets/AppIcon.appiconset/Contents.json
@@ -1,5 +1,15 @@
 {
   "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "20x20",
+      "scale" : "3x"
+    },
     {
       "idiom" : "iphone",
       "size" : "29x29",
@@ -31,6 +41,16 @@
       "size" : "60x60",
       "scale" : "3x"
     },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "ipad",
+      "size" : "20x20",
+      "scale" : "2x"
+    },
     {
       "idiom" : "ipad",
       "size" : "29x29",
@@ -65,6 +85,11 @@
       "idiom" : "ipad",
       "size" : "83.5x83.5",
       "scale" : "2x"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "size" : "1024x1024",
+      "scale" : "1x"
     }
   ],
   "info" : {