diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index f1b424510..008a0715b 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -19,3 +19,213 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+# 混合时不使用大小写混合，混合后的类名为小写
+-dontusemixedcaseclassnames
+
+# 指定不去忽略非公共库的类
+-dontskipnonpubliclibraryclasses
+
+# 这句话能够使我们的项目混淆后产生映射文件
+# 包含有类名->混淆后类名的映射关系
+-verbose
+
+# 指定不去忽略非公共库的类成员
+-dontskipnonpubliclibraryclassmembers
+
+# 不做预校验，preverify是proguard的四个步骤之一，Android不需要preverify，去掉这一步能够加快混淆速度。
+-dontpreverify
+
+# 保留Annotation不混淆
+-keepattributes *Annotation*,InnerClasses
+
+# 避免混淆泛型
+-keepattributes Signature
+
+# 抛出异常时保留代码行号
+-keepattributes SourceFile,LineNumberTable
+
+# 指定混淆是采用的算法，后面的参数是一个过滤器
+# 这个过滤器是谷歌推荐的算法，一般不做更改
+-optimizations !code/simplification/cast,!field/*,!class/merging/*
+
+
+#############################################
+#
+# Android开发中一些需要保留的公共部分
+#
+#############################################
+
+# 保留我们使用的四大组件，自定义的Application等等这些类不被混淆
+# 因为这些子类都有可能被外部调用
+-keep public class * extends android.app.Activity
+-keep public class * extends android.app.Appliction
+-keep public class * extends android.app.Service
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class * extends android.app.backup.BackupAgentHelper
+-keep public class * extends android.preference.Preference
+-keep public class * extends android.view.View
+-keep public class com.android.vending.licensing.ILicensingService
+
+
+# 保留androidx下的所有类及其内部类
+-keep class androidx.** {*;}
+
+# 保留继承的
+-keep public class * extends androidx.**
+
+# 保留R下面的资源
+-keep class **.R$* {*;}
+
+# 保留本地native方法不被混淆
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+# 保留在Activity中的方法参数是view的方法，
+# 这样以来我们在layout中写的onClick就不会被影响
+-keepclassmembers class * extends android.app.Activity{
+    public void *(android.view.View);
+}
+
+# 保留枚举类不被混淆
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+# 保留我们自定义控件（继承自View）不被混淆
+-keep public class * extends android.view.View{
+    *** get*();
+    void set*(***);
+    public <init>(android.content.Context);
+    public <init>(android.content.Context, android.util.AttributeSet);
+    public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+# 保留Parcelable序列化类不被混淆
+-keep class * implements android.os.Parcelable {
+    public static final android.os.Parcelable$Creator *;
+}
+
+# 保留Serializable序列化的类不被混淆
+-keepclassmembers class * implements java.io.Serializable {
+    static final long serialVersionUID;
+    private static final java.io.ObjectStreamField[] serialPersistentFields;
+    !static !transient <fields>;
+    !private <fields>;
+    !private <methods>;
+    private void writeObject(java.io.ObjectOutputStream);
+    private void readObject(java.io.ObjectInputStream);
+    java.lang.Object writeReplace();
+    java.lang.Object readResolve();
+}
+
+# 对于带有回调函数的onXXEvent、**On*Listener的，不能被混淆
+-keepclassmembers class * {
+    void *(**On*Event);
+    void *(**On*Listener);
+}
+
+# webView处理，项目中没有使用到webView忽略即可
+-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+    public *;
+}
+-keepclassmembers class * extends android.webkit.webViewClient {
+    public void *(android.webkit.WebView, java.lang.String, android.graphics.Bitmap);
+    public boolean *(android.webkit.WebView, java.lang.String);
+}
+-keepclassmembers class * extends android.webkit.webViewClient {
+    public void *(android.webkit.webView, jav.lang.String);
+}
+
+# 移除Log类打印各个等级日志的代码，打正式包的时候可以做为禁log使用，这里可以作为禁止log打印的功能使用
+# 记得proguard-android.txt中一定不要加-dontoptimize才起作用
+# 另外的一种实现方案是通过BuildConfig.DEBUG的变量来控制
+-assumenosideeffects class android.util.Log {
+    public static int v(...);
+    public static int i(...);
+    public static int w(...);
+    public static int d(...);
+    public static int e(...);
+}
+
+# 保持js引擎调用的java类
+-keep class **.analyzeRule.**{*;}
+# 保持web类
+-keep class **.web.**{*;}
+
+-dontwarn rx.**
+
+-dontwarn okio.**
+-dontwarn retrofit2.**
+-dontwarn javax.annotation.**
+-dontwarn org.apache.log4j.lf5.viewer.**
+-dontnote org.apache.log4j.lf5.viewer.**
+-dontwarn freemarker.**
+-dontnote org.python.core.**
+-dontwarn com.hwangjr.rxbus.**
+-dontwarn okhttp3.**
+
+-keep class retrofit2.**{*;}
+-keep class okhttp3.**{*;}
+-keep class okio.**{*;}
+-keep class com.hwangjr.rxbus.**{*;}
+-keep class org.conscrypt.**{*;}
+-keep class com.kunfei.bookshelf.widget.**{*;}
+-keep class com.kunfei.bookshelf.bean.**{*;}
+-keep class android.support.**{*;}
+-keep class me.grantland.widget.**{*;}
+-keep class de.hdodenhof.circleimageview.**{*;}
+-keep class tyrant.explosionfield.**{*;}
+-keep class tyrantgit.explosionfield.**{*;}
+-keep class freemarker.**{*;}
+-keep class com.gyf.barlibrary.* {*;}
+##JSOUP
+-keep class org.jsoup.**{*;}
+
+-keep class org.slf4j.**{*;}
+-dontwarn org.slf4j.**
+
+-keep class org.codehaus.**{*;}
+-dontwarn org.codehaus.**
+-keep class com.jayway.**{*;}
+-dontwarn com.jayway.**
+-keep class com.fasterxml.**{*;}
+
+-keep class javax.swing..**{*;}
+-dontwarn javax.swing.**
+-keep class java.awt.**{*;}
+-dontwarn java.awt.**
+-keep class sun.misc.**{*;}
+-dontwarn sun.misc.**
+-keep class sun.reflect.**{*;}
+-dontwarn sun.reflect.**
+
+## Rhino
+-keep class javax.script.** { *; }
+-keep class com.sun.script.javascript.** { *; }
+-keep class org.mozilla.javascript.** { *; }
+-dontwarn org.mozilla.javascript.**
+-dontwarn sun.**
+
+###EPUB
+-dontwarn nl.siegmann.epublib.**
+-dontwarn org.xmlpull.**
+-keep class nl.siegmann.epublib.**{*;}
+-keep class javax.xml.**{*;}
+-keep class org.xmlpull.**{*;}
+
+-keep class org.simpleframework.xml.**{*;}
+-dontwarn org.simpleframework.xml.**
+
+-keepclassmembers class * {
+    public <init> (org.json.JSONObject);
+}
+-keep public class com.kunfei.bookshelf.R$*{
+    public static final int *;
+}
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}