diff --git a/docs-source/src/en/config/r8-proguard.md b/docs-source/src/en/config/r8-proguard.md
index b7a6986..94ecc6d 100644
--- a/docs-source/src/en/config/r8-proguard.md
+++ b/docs-source/src/en/config/r8-proguard.md
@@ -7,7 +7,8 @@ If you are using the [kavaref-extension](../library/kavaref-extension) module an
 
 ```
 -keepattributes Signature
--keep class,allowobfuscation * extends com.highcapable.kavaref.extension.TypeRef {
+-keep,allowobfuscation class * extends com.highcapable.kavaref.extension.TypeRef
+-keepclassmembers class * extends com.highcapable.kavaref.extension.TypeRef {
     <init>(...);
 }
 ```
diff --git a/docs-source/src/zh-cn/config/r8-proguard.md b/docs-source/src/zh-cn/config/r8-proguard.md
index 4096a71..2575ab8 100644
--- a/docs-source/src/zh-cn/config/r8-proguard.md
+++ b/docs-source/src/zh-cn/config/r8-proguard.md
@@ -6,7 +6,8 @@
 
 ```
 -keepattributes Signature
--keep class,allowobfuscation * extends com.highcapable.kavaref.extension.TypeRef {
+-keep,allowobfuscation class * extends com.highcapable.kavaref.extension.TypeRef
+-keepclassmembers class * extends com.highcapable.kavaref.extension.TypeRef {
     <init>(...);
 }
 ```