diff --git a/scripts/diff_pack.sh b/scripts/diff_pack.sh
index 9aa641a..e1156c8 100644
--- a/scripts/diff_pack.sh
+++ b/scripts/diff_pack.sh
@@ -2,7 +2,7 @@
 # 用法：./diff_zip_sh.sh zip1.zip zip2.zip diff.zip
 
 usage() {
-    echo "用法: $0 <zip1> <zip2> <diff.zip>"
+    echo "用法: $0 <old.zip> <new.zip> <diff.zip>"
     exit 1
 }