diff --git a/PZXVerificationCodeTextField/Sources/PZXVerificationCodeTextField-OC/PZXVerificationCodeView.h b/PZXVerificationCodeTextField/Sources/PZXVerificationCodeTextField-OC/PZXVerificationCodeView.h
index 102ee8a..75a127e 100644
--- a/PZXVerificationCodeTextField/Sources/PZXVerificationCodeTextField-OC/PZXVerificationCodeView.h
+++ b/PZXVerificationCodeTextField/Sources/PZXVerificationCodeTextField-OC/PZXVerificationCodeView.h
@@ -18,6 +18,8 @@
 
 @property(nonatomic,assign)CGFloat borderWidth;//格子的border值
 
+@property(nonatomic,assign)CGFloat cornerRadius;//圆角
+
 
 @property(nonatomic,assign)BOOL lineStyle;//横线样式
 
@@ -27,6 +29,9 @@
 
 @property (nonatomic, strong)UIColor *selectedColor;//选中颜色
 
+@property (nonatomic, strong)UIColor *textFieldBackgroundColor;//格子背景颜色
+
+
 @property (nonatomic, strong)NSMutableArray *textFieldArray;//放textField的array用于在外面好取消键盘
 
 @end
diff --git a/PZXVerificationCodeTextField/Sources/PZXVerificationCodeTextField-OC/PZXVerificationCodeView.m b/PZXVerificationCodeTextField/Sources/PZXVerificationCodeTextField-OC/PZXVerificationCodeView.m
index c3f0f9b..a731964 100644
--- a/PZXVerificationCodeTextField/Sources/PZXVerificationCodeTextField-OC/PZXVerificationCodeView.m
+++ b/PZXVerificationCodeTextField/Sources/PZXVerificationCodeTextField-OC/PZXVerificationCodeView.m
@@ -24,9 +24,11 @@ - (instancetype)initWithFrame:(CGRect)frame
         self.VerificationCodeNum = 4;//默认4位
         self.Spacing = 0;//默认间距为0
         self.lineStyle = false; //默认是格子样式
+        self.textFieldBackgroundColor = [UIColor clearColor];
         self.selectedColor = [UIColor cyanColor];
         self.deselectColor = [UIColor redColor];   //默认边框颜色
         self.borderWidth = 1;
+        self.cornerRadius = 0;
         [self setView]; //绘制界面
         
         
@@ -63,7 +65,8 @@ -(void)setView {
     for (int i = 0; i < self.VerificationCodeNum; i++) {
         // Create the text field
         PZXVerificationTextField *tf = [[PZXVerificationTextField alloc] initWithFrame:CGRectMake(i * (self.frame.size.width / self.VerificationCodeNum) + _Spacing / 2, 0, textFieldWidth, self.frame.size.height)];
-        tf.backgroundColor = [UIColor clearColor];
+        tf.backgroundColor = self.textFieldBackgroundColor;
+        tf.layer.cornerRadius = self.cornerRadius;
         tf.pzx_delegate = self;
         tf.keyboardType = UIKeyboardTypeNumberPad;
         tf.textColor = [UIColor blackColor];
diff --git a/PZXVerificationCodeTextField/ViewController.m b/PZXVerificationCodeTextField/ViewController.m
index 8796b7a..7e01472 100644
--- a/PZXVerificationCodeTextField/ViewController.m
+++ b/PZXVerificationCodeTextField/ViewController.m
@@ -16,6 +16,9 @@ @interface ViewController () <PZXCodeInputViewDelegate>
 
 @property(nonatomic,strong)PZXVerificationCodeView *SpacingView;
 
+@property(nonatomic,strong)PZXVerificationCodeView *grayView;
+
+
 @property(nonatomic,strong)UITextField *TF;
 - (IBAction)changeButtonPressed:(UIButton *)sender;
 - (IBAction)outButtonPressed:(UIButton *)sender;
@@ -54,7 +57,19 @@ - (void)viewDidLoad {
     [self.view addSubview:_SpacingView];
     
     
-    _bottomLineInputView = [[PZXVerificationCodeView alloc]initWithFrame:CGRectMake(16, 300, self.view.frame.size.width - 32, 60)];
+    _grayView = [[PZXVerificationCodeView alloc]initWithFrame:CGRectMake(0, 300, self.view.frame.size.width, 60)];
+    _grayView.selectedColor = [UIColor clearColor];
+    _grayView.deselectColor = [UIColor clearColor];
+    _grayView.textFieldBackgroundColor = [UIColor groupTableViewBackgroundColor];
+    _grayView.borderWidth = 0;
+    _grayView.cornerRadius = 6;
+    _grayView.VerificationCodeNum = 6;
+    //    _pzxView.isSecure = YES;//密文
+    _grayView.Spacing = 6;//每个格子间距属性
+    [self.view addSubview:_grayView];
+    
+    
+    _bottomLineInputView = [[PZXVerificationCodeView alloc]initWithFrame:CGRectMake(16, 400, self.view.frame.size.width - 32, 60)];
     _bottomLineInputView.selectedColor = [UIColor blackColor];
     _bottomLineInputView.deselectColor = [UIColor lightGrayColor];
 
@@ -71,10 +86,11 @@ - (void)viewDidLoad {
     
     [NSLayoutConstraint activateConstraints:@[
         [_codeInputView.centerXAnchor constraintEqualToAnchor:self.view.centerXAnchor],
-        [_codeInputView.centerYAnchor constraintEqualToAnchor:self.view.centerYAnchor],
+        [_codeInputView.topAnchor constraintEqualToAnchor:self.view.topAnchor constant:500],
         [_codeInputView.heightAnchor constraintEqualToConstant:50],
         [_codeInputView.widthAnchor constraintEqualToConstant:300]
     ]];
+
     
 }