diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 1d7f668ed..63de2cd96 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -17,4 +17,8 @@
 #}
 
 -keepattributes SourceFile,LineNumberTable
--keep class com.hippo.** { *; }
\ No newline at end of file
+-keep class com.hippo.a7zip.* { *; }
+-keep class com.hippo.ehviewer.dao.* { *; }
+-keep class com.hippo.ehviewer.ui.fragment.* extends com.hippo.ehviewer.ui.fragment.BaseFragment { *; }
+-keep class com.hippo.ehviewer.ui.fragment.* extends com.hippo.ehviewer.ui.fragment.BasePreferenceFragment { *; }
+-keep class com.hippo.image.* { *; }
\ No newline at end of file