diff --git a/doc/README.md b/doc/README.md
index 848f1b6..2faf70e 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -1,6 +1,6 @@
 ## 复位时序
-![复位时序](http://)
+![复位时序](https://git.shuixx.com/shuixx/ds18b20/src/master/doc/reset.png)
 ## 读时序
-![读时序](http://)
+![读时序](https://git.shuixx.com/shuixx/ds18b20/src/master/doc/read.png)
 ## 写时序
-![写时序](http://)
\ No newline at end of file
+![写时序](https://git.shuixx.com/shuixx/ds18b20/src/master/doc/write.png)
\ No newline at end of file