diff --git a/src/Constants.java b/src/Constants.java
index 1f297f7..03dc5e0 100644
--- a/src/Constants.java
+++ b/src/Constants.java
@@ -1,4 +1,3 @@
-
 /** 常量定义. */
 public final class Constants {
   public static final String BASE_OUTPUT_DIR = "output"; // 主输出文件夹