diff --git a/ChooseLocation/ChooseLocation/View/ChooseLocationView.h b/ChooseLocation/ChooseLocation/View/ChooseLocationView.h
index bcf9ef0..ffdb198 100644
--- a/ChooseLocation/ChooseLocation/View/ChooseLocationView.h
+++ b/ChooseLocation/ChooseLocation/View/ChooseLocationView.h
@@ -16,4 +16,6 @@
 
 @property (nonatomic,copy) NSString * areaCode;
 
+- (instancetype)initWithFrame:(CGRect)frame withScaling:(CGFloat)scaling;
+
 @end
diff --git a/ChooseLocation/ChooseLocation/View/ChooseLocationView.m b/ChooseLocation/ChooseLocation/View/ChooseLocationView.m
index 1458878..5602336 100644
--- a/ChooseLocation/ChooseLocation/View/ChooseLocationView.m
+++ b/ChooseLocation/ChooseLocation/View/ChooseLocationView.m
@@ -28,14 +28,15 @@ @interface ChooseLocationView ()<UITableViewDataSource,UITableViewDelegate,UIScr
 @property (nonatomic,strong) NSMutableArray * tableViews;
 @property (nonatomic,strong) NSMutableArray * topTabbarItems;
 @property (nonatomic,weak) UIButton * selectedBtn;
+@property (nonatomic, assign) CGFloat scaledScreenWidth;
 @end
 
 @implementation ChooseLocationView
 
-- (instancetype)initWithFrame:(CGRect)frame
-{
+- (instancetype)initWithFrame:(CGRect)frame withScaling:(CGFloat)scaling {
     self = [super initWithFrame:frame];
     if (self) {
+        _scaledScreenWidth = HYScreenW * (2.0 - scaling);
         [self setUp];
     }
     return self;
@@ -44,7 +45,6 @@ - (instancetype)initWithFrame:(CGRect)frame
 #pragma mark - setUp UI
 
 - (void)setUp{
-    
     UIView * topView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, self.frame.size.width, kHYTopViewHeight)];
     [self addSubview:topView];
     UILabel * titleLabel = [[UILabel alloc]init];
@@ -58,7 +58,6 @@ - (void)setUp{
     separateLine.top = topView.height - separateLine.height;
     topView.backgroundColor = [UIColor whiteColor];
 
-    
     AddressView * topTabbar = [[AddressView alloc]initWithFrame:CGRectMake(0, topView.height, self.frame.size.width, kHYTopViewHeight)];
     [self addSubview:topTabbar];
     _topTabbar = topTabbar;
@@ -79,7 +78,7 @@ - (void)setUp{
     
     _underLine.backgroundColor = [UIColor orangeColor];
     UIScrollView * contentView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, CGRectGetMaxY(topTabbar.frame), self.frame.size.width, self.height - kHYTopViewHeight - kHYTopTabbarHeight)];
-    contentView.contentSize = CGSizeMake(HYScreenW, 0);
+    contentView.contentSize = CGSizeMake(_scaledScreenWidth, 0);
     [self addSubview:contentView];
     _contentView = contentView;
     _contentView.pagingEnabled = YES;
@@ -91,7 +90,7 @@ - (void)setUp{
 
 - (void)addTableView{
 
-    UITableView * tabbleView = [[UITableView alloc]initWithFrame:CGRectMake(self.tableViews.count * HYScreenW, 0, HYScreenW, _contentView.height)];
+    UITableView * tabbleView = [[UITableView alloc]initWithFrame:CGRectMake(self.tableViews.count * _scaledScreenWidth, 0, _scaledScreenWidth, _contentView.height)];
     [_contentView addSubview:tabbleView];
     [self.tableViews addObject:tabbleView];
     tabbleView.separatorStyle = UITableViewCellSeparatorStyleNone;
@@ -269,7 +268,7 @@ - (void)topBarItemClick:(UIButton *)btn{
     NSInteger index = [self.topTabbarItems indexOfObject:btn];
     
     [UIView animateWithDuration:0.5 animations:^{
-        self.contentView.contentOffset = CGPointMake(index * HYScreenW, 0);
+        self.contentView.contentOffset = CGPointMake(index * _scaledScreenWidth, 0);
         [self changeUnderLineFrame:btn];
     }];
 }
@@ -287,7 +286,7 @@ - (void)changeUnderLineFrame:(UIButton  *)btn{
 //完成地址选择,执行chooseFinish代码块
 - (void)setUpAddress:(NSString *)address{
 
-    NSInteger index = self.contentView.contentOffset.x / HYScreenW;
+    NSInteger index = self.contentView.contentOffset.x / _scaledScreenWidth;
     UIButton * btn = self.topTabbarItems[index];
     [btn setTitle:address forState:UIControlStateNormal];
     [btn sizeToFit];
@@ -324,15 +323,15 @@ - (void)removeLastItem{
 //滚动到下级界面,并重新设置顶部按钮条上对应按钮的title
 - (void)scrollToNextItem:(NSString *)preTitle{
     
-    NSInteger index = self.contentView.contentOffset.x / HYScreenW;
+    NSInteger index = self.contentView.contentOffset.x / _scaledScreenWidth;
     UIButton * btn = self.topTabbarItems[index];
     [btn setTitle:preTitle forState:UIControlStateNormal];
     [btn sizeToFit];
     [_topTabbar layoutIfNeeded];
     [UIView animateWithDuration:0.25 animations:^{
-        self.contentView.contentSize = (CGSize){self.tableViews.count * HYScreenW,0};
+        self.contentView.contentSize = (CGSize){self.tableViews.count * _scaledScreenWidth,0};
         CGPoint offset = self.contentView.contentOffset;
-        self.contentView.contentOffset = CGPointMake(offset.x + HYScreenW, offset.y);
+        self.contentView.contentOffset = CGPointMake(offset.x + _scaledScreenWidth, offset.y);
         [self changeUnderLineFrame: [self.topTabbar.subviews lastObject]];
     }];
 }
@@ -344,7 +343,7 @@ - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
     if(scrollView != self.contentView) return;
     __weak typeof(self)weakSelf = self;
     [UIView animateWithDuration:0.25 animations:^{
-        NSInteger index = scrollView.contentOffset.x / HYScreenW;
+        NSInteger index = scrollView.contentOffset.x / _scaledScreenWidth;
         UIButton * btn = weakSelf.topTabbarItems[index];
         [weakSelf changeUnderLineFrame:btn];
     }];
@@ -385,9 +384,9 @@ - (void)setAreaCode:(NSString *)areaCode{
     [self changeUnderLineFrame:lastBtn];
     
     //2.4 设置偏移量
-    self.contentView.contentSize = (CGSize){self.tableViews.count * HYScreenW,0};
+    self.contentView.contentSize = (CGSize){self.tableViews.count * _scaledScreenWidth,0};
     CGPoint offset = self.contentView.contentOffset;
-    self.contentView.contentOffset = CGPointMake((self.tableViews.count - 1) * HYScreenW, offset.y);
+    self.contentView.contentOffset = CGPointMake((self.tableViews.count - 1) * _scaledScreenWidth, offset.y);
 
     [self setSelectedProvince:provinceName andCity:cityName andDistrict:districtName];
 }
diff --git a/ChooseLocation/ViewController.m b/ChooseLocation/ViewController.m
index e6396c5..b44ec98 100644
--- a/ChooseLocation/ViewController.m
+++ b/ChooseLocation/ViewController.m
@@ -9,6 +9,11 @@
 #import "ViewController.h"
 #import "ChooseLocationView.h"
 #import "CitiesDataTool.h"
+
+#define kScreenWidth [UIScreen mainScreen].bounds.size.width
+#define kScreenHeight [UIScreen mainScreen].bounds.size.height
+const static CGFloat SCALING = 0.95;
+
 @interface ViewController ()<NSURLSessionDelegate,UIGestureRecognizerDelegate>
 @property (nonatomic,strong) ChooseLocationView *chooseLocationView;
 @property (nonatomic,strong) UIView  *cover;
@@ -29,7 +34,8 @@ - (void)viewDidLoad {
 - (IBAction)chooseLocation:(UIButton *)sender {
     
     [UIView animateWithDuration:0.25 animations:^{
-        self.view.transform =CGAffineTransformMakeScale(0.95, 0.95);
+        self.view.transform =CGAffineTransformMakeScale(SCALING, SCALING);
+        self.chooseLocationView.frame = CGRectMake(-(kScreenWidth * (1 - SCALING)), kScreenHeight - 350, kScreenWidth * (2.0 - SCALING), 350);
     }];
     self.cover.hidden = !self.cover.hidden;
     self.chooseLocationView.hidden = self.cover.hidden;
@@ -56,8 +62,7 @@ - (void)tapCover:(UITapGestureRecognizer *)tap{
 - (ChooseLocationView *)chooseLocationView{
     
     if (!_chooseLocationView) {
-       _chooseLocationView = [[ChooseLocationView alloc]initWithFrame:CGRectMake(0, [UIScreen mainScreen].bounds.size.height - 350, [UIScreen mainScreen].bounds.size.width, 350)];
-      
+       _chooseLocationView = [[ChooseLocationView alloc]initWithFrame:CGRectMake(-(kScreenWidth * (1 - SCALING)), kScreenHeight, kScreenWidth * (2.0 - SCALING), 350) withScaling:SCALING];
     }
     return _chooseLocationView;
 }
@@ -73,6 +78,9 @@ - (UIView *)cover{
             [UIView animateWithDuration:0.25 animations:^{
                 weakSelf.addresslabel.text = weakSelf.chooseLocationView.address;
                 weakSelf.view.transform = CGAffineTransformIdentity;
+                weakSelf.cover.alpha = 0;
+                weakSelf.chooseLocationView.frame = CGRectMake(-(kScreenWidth * (1 - SCALING)), kScreenHeight, kScreenWidth * (2.0 - SCALING), 350);
+            } completion:^(BOOL finished) {
                 weakSelf.cover.hidden = YES;
             }];
         };
@@ -81,6 +89,7 @@ - (UIView *)cover{
         tap.delegate = self;
         _cover.hidden = YES;
     }
+    _cover.alpha = 1;
     return _cover;
 }
 @end