diff --git a/docs/convertor_zh-CN.md b/docs/convertor_zh-CN.md
index 5dc4afe..b0e0240 100644
--- a/docs/convertor_zh-CN.md
+++ b/docs/convertor_zh-CN.md
@@ -273,7 +273,7 @@ func main() {
 
 ### <span id="ToInt">ToInt</span>
 
-<p>将interface转成intt64类型，如果参数无法转换，会返回0和error</p>
+<p>将interface转成int64类型，如果参数无法转换，会返回0和error</p>
 
 <b>函数签名:</b>
 
@@ -488,4 +488,4 @@ func main() {
 
     fmt.Println(result) //[]string{"a:1", "b:2", "c:3"}
 }
-```
\ No newline at end of file
+```