diff --git a/app/src/main/java/com/monke/monkeybook/bean/BookShelfBean.java b/app/src/main/java/com/monke/monkeybook/bean/BookShelfBean.java
index 21fdc8e..e744160 100644
--- a/app/src/main/java/com/monke/monkeybook/bean/BookShelfBean.java
+++ b/app/src/main/java/com/monke/monkeybook/bean/BookShelfBean.java
@@ -230,7 +230,7 @@ public BookShelfBean copy() {
         bookShelfBean.lastChapterName = lastChapterName;
         bookShelfBean.chapterListSize = chapterListSize;
         bookShelfBean.updateOff = updateOff;
-        bookShelfBean.setVariableString(variableString);
+        bookShelfBean.variableString = getVariableString();
         bookShelfBean.bookInfoBean = bookInfoBean.copy();
         if (chapterList != null) {
             for (ChapterBean aChapterList : chapterList) {
@@ -297,7 +297,7 @@ public boolean isLocalBook() {
         return LOCAL_TAG.equals(tag);
     }
 
-    public boolean isAudioBook(){
+    public boolean isAudioBook() {
         return BookType.AUDIO.equals(bookInfoBean.getBookType());
     }
 
diff --git a/app/version.properties b/app/version.properties
index 5a7b43b..875ea10 100644
--- a/app/version.properties
+++ b/app/version.properties
@@ -1,2 +1,2 @@
-#Tue May 21 12:18:06 CST 2019
-VERSION_CODE=3001
+#Sat May 25 18:11:03 CST 2019
+VERSION_CODE=3004