diff --git a/IDA/ida9.0/assets/keygen2.zip b/IDA/ida9.0/assets/keygen2.zip
new file mode 100644
index 0000000..90ee93e
Binary files /dev/null and b/IDA/ida9.0/assets/keygen2.zip differ
diff --git a/IDA/ida9.0/readme.md b/IDA/ida9.0/readme.md
index bda3195..9df8fa3 100644
--- a/IDA/ida9.0/readme.md
+++ b/IDA/ida9.0/readme.md
@@ -7,13 +7,24 @@
 
 ## 激活教程
 
-按照下图所说激活即可，下图中提到的IDA 9.0.240925 v2版本也就是上面下载地址里的版本
+按照下图所说激活即可，下图中提到的IDA 9.0.240925 v2版本也就是上面下载地址里的版本，其中提到的keygen2下载地址：[./assets/keygen2.zip](./assets/keygen2.zip)
 
 ![image-20241210122721980](./readme/image-20241210122721980.png)
 
 ## 文件哈希
 
-![image-20241210122648638](./readme/image-20241210122648638.png)
+原RC1版只有win/linux打了官方签名，mac没签名。
+现在都打了官方签名。
+正式版各安装包sh256:
+
+``` 
+e24ae161a8a9d2edde04149c270db3509cb1056841bed0763ae167902f160c9c *ida-pro_90_x64win.exe
+159cf8983a0e7b199d6efab5af42eca31a288e7ef2ec44eba6336de4acb8107a *ida-pro_90_x64linux.run
+7b3d02deeb18c0efcd79df98c9e723e4d9388f5c01d64c9fe9992675835e7142 *ida-pro_90_armmac.app.zip
+a404a4ae276d38dbe2bc7ea2c99dd7b7f9de87048cc05a3770fd2bbccfb8408f *ida-pro_90_x64mac.app.zip
+```
+
+win/linux安装包与RC1一样