FlatList onEndReached 有的时候不触发 ，有的时候只触发一次,求帮助

<View style={styles.scrollContain}>
<FlatList
data={dataRecord}
numColumns={1}
ListHeaderComponent={this.renderHeader}
renderItem={this.renderItem}
refreshing={false}
onEndReached={this.onEndReached}
onEndReachedThreshold={0}
onScroll={this.onScroll}
ListFooterComponent={this.renderFooter}
onRefresh={() => this.onRefresh()}
style={{ flex: 1 }}
/>
</View>