diff --git a/README.md b/README.md
index 14435f87..263d6d57 100644
--- a/README.md
+++ b/README.md
@@ -129,6 +129,9 @@ Enable horizontal swipe gestures will trigger back-forward navigations. Derived
 - source
 - startInLoadingState
 - style
+- containerStyle (optional)
+- loadingStyle (optional)
+- loadingSize (optional)
 - url (deprecated)
 - bounces
 - onShouldStartLoadWithRequest
diff --git a/WKWebView.ios.js b/WKWebView.ios.js
index a24024a2..9056a5ca 100644
--- a/WKWebView.ios.js
+++ b/WKWebView.ios.js
@@ -47,9 +47,9 @@ type ErrorEvent = {
 
 type Event = Object;
 
-const defaultRenderLoading = () => (
-  <View style={styles.loadingView}>
-    <ActivityIndicator />
+const defaultRenderLoading = (loadingStyle, loadingSize) => (
+  <View style={[styles.loadingView, loadingStyle]}>
+    <ActivityIndicator size={loadingSize || null} />
   </View>
 );
 const defaultRenderError = (errorDomain, errorCode, errorDesc) => (
@@ -203,6 +203,9 @@ class WKWebView extends React.Component {
     scalesPageToFit: PropTypes.bool,
     startInLoadingState: PropTypes.bool,
     style: ViewPropTypes.style,
+    containerStyle: ViewPropTypes.style,
+    loadingStyle: ViewPropTypes.style,
+    loadingSize: null | "small" | "large",
     /**
      * If false injectJavaScript will run both main frame and iframe
      * @platform ios
@@ -290,7 +293,7 @@ class WKWebView extends React.Component {
     let otherView = null;
 
     if (this.state.viewState === WebViewState.LOADING) {
-      otherView = (this.props.renderLoading || defaultRenderLoading)();
+      otherView = (this.props.renderLoading || defaultRenderLoading)(this.props.loadingStyle, this.props.loadingSize);
     } else if (this.state.viewState === WebViewState.ERROR) {
       const errorEvent = this.state.lastErrorEvent;
       invariant(
@@ -303,9 +306,7 @@ class WKWebView extends React.Component {
         errorEvent.description
       );
     } else if (this.state.viewState !== WebViewState.IDLE) {
-      console.error(
-        'CRAWKWebView invalid state encountered: ' + this.state.loading
-      );
+      console.error('CRAWKWebView invalid state encountered: ' + this.state.loading);
     }
 
     const webViewStyles = [styles.container, styles.webView, this.props.style];
@@ -372,7 +373,7 @@ class WKWebView extends React.Component {
       />;
 
     return (
-      <View style={styles.container}>
+      <View style={[styles.container, this.props.containerStyle]}>
         {webView}
         {otherView}
       </View>
diff --git a/ios/RCTWKWebView/RCTWKWebView.m b/ios/RCTWKWebView/RCTWKWebView.m
index 3c9eb7a5..6cc1d423 100644
--- a/ios/RCTWKWebView/RCTWKWebView.m
+++ b/ios/RCTWKWebView/RCTWKWebView.m
@@ -614,20 +614,27 @@ - (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNaviga
     NSDictionary *headers = @{};
     NSInteger statusCode = 200;
     if([navigationResponse.response isKindOfClass:[NSHTTPURLResponse class]]){
-        headers = ((NSHTTPURLResponse *)navigationResponse.response).allHeaderFields;
-        statusCode = ((NSHTTPURLResponse *)navigationResponse.response).statusCode;
+      headers = ((NSHTTPURLResponse *)navigationResponse.response).allHeaderFields;
+      statusCode = ((NSHTTPURLResponse *)navigationResponse.response).statusCode;
     }
-
+    
     NSMutableDictionary<NSString *, id> *event = [self baseEvent];
     [event addEntriesFromDictionary:@{
                                       @"headers": headers,
                                       @"status": [NSHTTPURLResponse localizedStringForStatusCode:statusCode],
                                       @"statusCode": @(statusCode),
                                       }];
-    _onNavigationResponse(event);
+    // check status code
+    if(statusCode == 200) {
+      _onNavigationResponse(event);
+      decisionHandler(WKNavigationResponsePolicyAllow);
+    } else {
+      RCTLogWarn(@"Something wrong, statusCode is %zd!", statusCode);
+      decisionHandler(WKNavigationResponsePolicyCancel);
+    }
+  } else {
+    decisionHandler(WKNavigationResponsePolicyAllow);
   }
-
-  decisionHandler(WKNavigationResponsePolicyAllow);
 }
 
 @end
diff --git a/package.json b/package.json
index 5505776b..50ed61f5 100644
--- a/package.json
+++ b/package.json
@@ -77,5 +77,5 @@
     "sync-from-example": "cp ./example/node_modules/react-native-wkwebview-reborn/*.js ./;cp -r ./example/node_modules/react-native-wkwebview-reborn/ios ./",
     "sync-to-example": "cp ./*.js ./example/node_modules/react-native-wkwebview-reborn/;cp -r ./ios ./example/node_modules/react-native-wkwebview-reborn/"
   },
-  "version": "1.22.0"
+  "version": "1.23.0"
 }