diff --git a/src/main/java/com/github/linsea/apk/compare/Main.java b/src/main/java/com/github/linsea/apk/compare/Main.java
index d8bb97a..ba440a0 100644
--- a/src/main/java/com/github/linsea/apk/compare/Main.java
+++ b/src/main/java/com/github/linsea/apk/compare/Main.java
@@ -59,7 +59,6 @@ public static void main(String[] args) {
             outputDiffList.add(diffItem);
         }
 
-//        outputCSV(args[2], outputDiffList);
         outputMarkdown(args, outputDiffList);
 
         System.out.println("APK compare done!");
@@ -124,26 +123,6 @@ private static void outputMarkdown(String[] filenames, List<DiffItem> outputDiff
         }
     }
 
-    private static void outputMarkdownDiffList(Writer writer, String title, List<DiffItem> outputDiffList) {
-        if (outputDiffList.size() > 0) {
-            try {
-                writer.append("## ").append(title).append("\n");
-                writer.append("| OLD FILE | NEW FILE | DIFF SIZE (byte)|\n");
-                writer.append("| -------- | -------- | -------------: |\n");
-                for (DiffItem diffItem : outputDiffList) {
-                    writer.append("| ").append(diffItem.oldFilename).append(" | ")
-                            .append(diffItem.newFilename).append(" | ")
-                            .append(diffItem.diffSize.toString())
-                            .append(" |\n");
-                    writer.flush();
-                }
-                writer.write("\n");
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-        }
-    }
-
     private static void outputMarkdownAddedList(Writer writer, List<DiffItem> outputDiffList) {
         if (outputDiffList.size() > 0) {
             try {
@@ -228,21 +207,6 @@ private static void outputMarkdownRemovedList(Writer writer, List<DiffItem> outp
         }
     }
 
-    private static void outputCSV(String filename, List<DiffItem> outputDiffList) {
-        try {
-            BufferedWriter writer = new BufferedWriter(new FileWriter(filename + ".csv"));
-            writer.append("OLD FILE,NEW FILE,DIFF SIZE(byte)\n");
-            for (DiffItem diffItem : outputDiffList) {
-                writer.append(diffItem.oldFilename).append(',')
-                        .append(diffItem.newFilename).append(',')
-                        .append(diffItem.diffSize.toString())
-                        .append('\n');
-            }
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-
     private static Map<String, Long> getFilesInfo(String apkFilePath) {
         Map<String, Long> map = new LinkedHashMap<String, Long>();
         try {
diff --git a/src/test/java/com/github/linsea/apk/compare/ApkCompareTest.java b/src/test/java/com/github/linsea/apk/compare/ApkCompareTest.java
index 551b535..fc67997 100644
--- a/src/test/java/com/github/linsea/apk/compare/ApkCompareTest.java
+++ b/src/test/java/com/github/linsea/apk/compare/ApkCompareTest.java
@@ -6,8 +6,8 @@ public class ApkCompareTest {
     @Test
     public void test() {
         String[] args = new String[]{
-                "/home/andy/tmp/yymobile_client-6.0.0-SNAPSHOT-43116-official.apk",
-                "/home/andy/tmp/yymobile_client-6.0.5-SNAPSHOT-43366-official.apk",
+                "/home/andy/tmp/app-6.0.0.apk",
+                "/home/andy/tmp/app-6.0.5.apk",
                 "changes"};
         Main.main(args);
     }