diff --git a/docs-source/src/en/api/public/com/highcapable/yukihookapi/hook/param/PackageParam.md b/docs-source/src/en/api/public/com/highcapable/yukihookapi/hook/param/PackageParam.md
index a89eabfb..255982f0 100644
--- a/docs-source/src/en/api/public/com/highcapable/yukihookapi/hook/param/PackageParam.md
+++ b/docs-source/src/en/api/public/com/highcapable/yukihookapi/hook/param/PackageParam.md
@@ -31,7 +31,7 @@ open class PackageParam internal constructor(internal var wrapper: PackageParamW
 ## appClassLoader <span class="symbol">- field</span>
 
 ```kotlin:no-line-numbers
-var appClassLoader：ClassLoader
+var appClassLoader：ClassLoader?
 ```
 
 **Change Records**
@@ -42,6 +42,10 @@ var appClassLoader：ClassLoader
 
 可以动态修改此变量的值
 
+`v1.2.0` `modified`
+
+加入可空类型 (空安全)
+
 **Function Illustrate**
 
 > 获取、设置当前 Hook APP 的 `ClassLoader`。
diff --git a/docs-source/src/zh-cn/api/public/com/highcapable/yukihookapi/hook/param/PackageParam.md b/docs-source/src/zh-cn/api/public/com/highcapable/yukihookapi/hook/param/PackageParam.md
index 80105716..58d0f4af 100644
--- a/docs-source/src/zh-cn/api/public/com/highcapable/yukihookapi/hook/param/PackageParam.md
+++ b/docs-source/src/zh-cn/api/public/com/highcapable/yukihookapi/hook/param/PackageParam.md
@@ -19,7 +19,7 @@ open class PackageParam internal constructor(internal var wrapper: PackageParamW
 ## appClassLoader <span class="symbol">- field</span>
 
 ```kotlin:no-line-numbers
-var appClassLoader：ClassLoader
+var appClassLoader：ClassLoader?
 ```
 
 **变更记录**
@@ -30,6 +30,10 @@ var appClassLoader：ClassLoader
 
 可以动态修改此变量的值
 
+`v1.2.0` `修改`
+
+加入可空类型 (空安全)
+
 **功能描述**
 
 > 获取、设置当前 Hook APP 的 `ClassLoader`。