react-native: webview error 'Encountered an error loading page @RN 0.34.1

E/ReactNativeJS(27798):   'Encountered an error loading page', { canGoForward: false,
E/ReactNativeJS(27798):   code: -2,
E/ReactNativeJS(27798):   canGoBack: false,
E/ReactNativeJS(27798):   description: 'net::ERR_NAME_NOT_RESOLVED',
E/ReactNativeJS(27798):   loading: false,
E/ReactNativeJS(27798):   title: '',
E/ReactNativeJS(27798):   url: 'https://www.baidu.com/',
E/ReactNativeJS(27798):   target: 122 }

following my code://<Loading> component is custom.

                <WebView
                    scalesPageToFit={true}
                    renderLoading={()=><Loading value="XXX"/>}
                    renderError={()=><Loading value="XXX"/>}
                    onError={()=><Loading/>}
                    source={{uri: "https://www.XXX.com"}}
                    style={{padding: 10}}
                />

Who can help me?