diff --git a/README.md b/README.md
index 63cd6c04..7116e732 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
 [gitee](https://gitee.com/dromara/sms4j)
 [github](https://github.com/dromara/sms4j)
 
-#### [官方文档](http://wind.kim)
+#### [官方文档](https://sms4j.com)
 #### [JavaDoc文档](https://apidoc.gitee.com/dromara/sms4j/)
 
 ## 支持厂商一览