diff --git a/app/build.gradle b/app/build.gradle
index 18eccff..51e73b3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -28,8 +28,8 @@ android {
         applicationId 'top.fumiama.copymanga'
         minSdkVersion 23
         targetSdkVersion 30
-        versionCode 14
-        versionName '2.0.beta3'
+        versionCode 15
+        versionName '2.0.beta4'
         resConfigs "zh", "zh-rCN"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index d2e97db..9fa3036 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -61,7 +61,7 @@
 #-keep class com.google.gson.stream.** { *; }
 
 # Application classes that will be serialized/deserialized over Gson
--keep class top.fumiama.dmzjxs.json.*{ *; }
+-keep class top.fumiama.copymanga.json.*{ *; }
 
 # Prevent proguard from stripping interface information from TypeAdapter, TypeAdapterFactory,
 # JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)