update doc

README.md

@@ -66,6 +66,12 @@ Test environment: Macbook Pro 13 inch, Intel Core i5, 16GB 2133MHz LPDDR3 Memory
 
 [![pecl](resource/pecl.png)](https://pecl.php.net/package/xlswriter)
 
+#### IDE Helper
+
+```bash
+composer require viest/php-ext-xlswriter-ide-helper:dev-master
+```
+
 #### Exchange group
 
 <img width="160" src="resource/qq.jpg"/>

README_zh.md

@@ -68,6 +68,12 @@ xlswriter是一个 PHP C 扩展，可用于在 Excel 2007+ XLSX 文件中读取
 
 [![pecl](resource/pecl.png)](https://pecl.php.net/package/xlswriter)
 
+#### IDE Helper
+
+```bash
+composer require viest/php-ext-xlswriter-ide-helper:dev-master
+```
+
 #### 交流群
 
 <img width="160" src="resource/qq.jpg"/>

kernel/chart.c

@@ -163,7 +163,7 @@ PHP_METHOD(vtiful_chart, seriesName)
 }
 /* }}} */
 
-/** {{{ \Vtiful\Kernel\Chart::seriesName(int $style)
+/** {{{ \Vtiful\Kernel\Chart::style(int $style)
  */
 PHP_METHOD(vtiful_chart, style)
 {