diff --git a/LEEAlert.podspec b/LEEAlert.podspec
index d43a43c..74e476f 100644
--- a/LEEAlert.podspec
+++ b/LEEAlert.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
 s.name         = "LEEAlert"
-s.version      = "1.3.3"
+s.version      = "1.3.4"
 s.summary      = "优雅的Alert ActionSheet"
 
 s.homepage     = "https://github.com/lixiang1994/LEEAlert"
diff --git a/LEEAlert/LEEAlert.h b/LEEAlert/LEEAlert.h
index 47dcc76..95d6185 100644
--- a/LEEAlert/LEEAlert.h
+++ b/LEEAlert/LEEAlert.h
@@ -13,7 +13,7 @@
  *
  *  @author LEE
  *  @copyright    Copyright © 2016 - 2019年 lee. All rights reserved.
- *  @version    V1.3.3
+ *  @version    V1.3.4
  */
 
 #import <Foundation/Foundation.h>
diff --git a/LEEAlert/LEEAlert.m b/LEEAlert/LEEAlert.m
index cd6f22a..8825fc9 100644
--- a/LEEAlert/LEEAlert.m
+++ b/LEEAlert/LEEAlert.m
@@ -13,7 +13,7 @@
  *
  *  @author LEE
  *  @copyright    Copyright © 2016 - 2019年 lee. All rights reserved.
- *  @version    V1.3.3
+ *  @version    V1.3.4
  */
 
 #import "LEEAlert.h"
@@ -1210,38 +1210,6 @@ CGPathRef _Nullable LEECGPathCreateWithRoundedRect(CGRect bounds, CornerRadii co
     return path;
 }
 
-+ (void)load{
-    
-    static dispatch_once_t onceToken;
-    dispatch_once(&onceToken, ^{
-        
-        NSArray *selStringsArray = @[@"layoutSubviews"];
-        
-        [selStringsArray enumerateObjectsUsingBlock:^(NSString *selString, NSUInteger idx, BOOL *stop) {
-            
-            NSString *leeSelString = [@"lee_alert_" stringByAppendingString:selString];
-            
-            Method originalMethod = class_getInstanceMethod(self, NSSelectorFromString(selString));
-            
-            Method leeMethod = class_getInstanceMethod(self, NSSelectorFromString(leeSelString));
-            
-            BOOL isAddedMethod = class_addMethod(self, NSSelectorFromString(selString), method_getImplementation(leeMethod), method_getTypeEncoding(leeMethod));
-            
-            if (isAddedMethod) {
-                
-                class_replaceMethod(self, NSSelectorFromString(leeSelString), method_getImplementation(originalMethod), method_getTypeEncoding(originalMethod));
-                
-            } else {
-                
-                method_exchangeImplementations(originalMethod, leeMethod);
-            }
-            
-        }];
-        
-    });
-    
-}
-
 - (void)updateCornerRadii{
     
     if (!CornerRadiiEqualTo([self lee_alert_cornerRadii], CornerRadiiNull())) {
@@ -1276,9 +1244,7 @@ - (void)updateCornerRadii{
     
 }
 
-- (void)lee_alert_layoutSubviews{
-    
-    [self lee_alert_layoutSubviews];
+- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context{
     
     [self updateCornerRadii];
 }
@@ -1303,6 +1269,16 @@ - (CornerRadii)lee_alert_cornerRadii{
 
 - (void)setLee_alert_cornerRadii:(CornerRadii)cornerRadii{
     
+    if (CornerRadiiEqualTo(self.lee_alert_cornerRadii, CornerRadiiNull()) && !CornerRadiiEqualTo(cornerRadii, CornerRadiiNull())) {
+        [self addObserver: self forKeyPath: @"frame" options: NSKeyValueObservingOptionNew context: nil];
+        [self addObserver: self forKeyPath: @"bounds" options: NSKeyValueObservingOptionNew context: nil];
+    }
+    
+    if (!CornerRadiiEqualTo(self.lee_alert_cornerRadii, CornerRadiiNull()) && CornerRadiiEqualTo(cornerRadii, CornerRadiiNull())) {
+        [self removeObserver:self forKeyPath:@"frame"];
+        [self removeObserver:self forKeyPath:@"bounds"];
+    }
+    
     NSValue *value = [NSValue valueWithBytes:&cornerRadii objCType:@encode(CornerRadii)];
     
     objc_setAssociatedObject(self, @selector(lee_alert_cornerRadii), value , OBJC_ASSOCIATION_RETAIN_NONATOMIC);
@@ -1836,8 +1812,6 @@ @interface LEEBaseViewController ()<UIGestureRecognizerDelegate>
 
 @property (nonatomic , assign ) LEEScreenOrientationType orientationType;
 
-@property (nonatomic , strong ) LEECustomView *customView;
-
 @property (nonatomic , assign ) BOOL isShowing;
 
 @property (nonatomic , assign ) BOOL isClosing;
@@ -1859,8 +1833,6 @@ - (void)dealloc{
     _currentKeyWindow = nil;
     
     _backgroundVisualEffectView = nil;
-    
-    _customView = nil;
 }
 
 - (void)viewDidLoad{
diff --git a/LEEAlert/LEEAlertHelper.h b/LEEAlert/LEEAlertHelper.h
index f4c63ae..a327c7c 100644
--- a/LEEAlert/LEEAlertHelper.h
+++ b/LEEAlert/LEEAlertHelper.h
@@ -13,7 +13,7 @@
  *
  *  @author LEE
  *  @copyright    Copyright © 2016 - 2019年 lee. All rights reserved.
- *  @version    V1.3.3
+ *  @version    V1.3.4
  */
 
 #ifndef LEEAlertHelper_h
diff --git a/UPDATELOG.md b/UPDATELOG.md
index d05bc83..45b702b 100644
--- a/UPDATELOG.md
+++ b/UPDATELOG.md
@@ -1,6 +1,10 @@
 
 # LEEAlert - 更新日志
 
+V1.3.4
+==============
+优化圆角内部处理
+
 V1.3.3
 ==============
 增加iOS13 windowScene支持,  在 AppDelegate 或 SceneDelegate 中设置主要Window