diff --git a/src/main/java/co/jp/techsor/pdf/App.java b/src/main/java/co/jp/techsor/pdf/App.java
index 3efc88d..874797f 100644
--- a/src/main/java/co/jp/techsor/pdf/App.java
+++ b/src/main/java/co/jp/techsor/pdf/App.java
@@ -24,8 +24,8 @@ public class App {
             
             String inputPath = cmd.getOptionValue("in");
             String outputPath = cmd.getOptionValue("out");
-            String layer1Name = cmd.getOptionValue("layer1", "レイヤー1");
-            String layer2Name = cmd.getOptionValue("layer2", "レイヤー2");
+            String layer1Name = cmd.getOptionValue("layer1", "レイヤ1");
+            String layer2Name = cmd.getOptionValue("layer2", "レイヤ2");
             boolean layer1On = Boolean.parseBoolean(cmd.getOptionValue("l1on", "true"));
             boolean layer2On = Boolean.parseBoolean(cmd.getOptionValue("l2on", "true"));
             
@@ -83,12 +83,12 @@ public class App {
         
         options.addOption(Option.builder("layer1")
                 .hasArg()
-                .desc("レイヤー1の名前 (デフォルト: レイヤー1)")
+                .desc("レイヤー1の名前 (デフォルト: レイヤ1)")
                 .build());
         
         options.addOption(Option.builder("layer2")
                 .hasArg()
-                .desc("レイヤー2の名前 (デフォルト: レイヤー2)")
+                .desc("レイヤー2の名前 (デフォルト: レイヤ2)")
                 .build());
         
         options.addOption(Option.builder("l1on")
diff --git a/src/main/java/co/jp/techsor/pdf/TestLayerFixDetailed.java b/src/main/java/co/jp/techsor/pdf/TestLayerFixDetailed.java
index bfcd6fd..fa0b23e 100644
--- a/src/main/java/co/jp/techsor/pdf/TestLayerFixDetailed.java
+++ b/src/main/java/co/jp/techsor/pdf/TestLayerFixDetailed.java
@@ -16,8 +16,8 @@ public class TestLayerFixDetailed {
     public static void main(String[] args) {
         try {
             // 模拟用户实际使用的图层名称
-            String layer1Name = "レイヤー1";
-            String layer2Name = "レイヤー2";
+            String layer1Name = "レイヤ1";
+            String layer2Name = "レイヤ2";
             
             // 设置测试文件路径
             String testDir = "layer-test-results/";