diff --git a/core/aes/sha1.lib.php b/core/aes/sha1.lib.php
index 06cf6a3..8663b69 100644
--- a/core/aes/sha1.lib.php
+++ b/core/aes/sha1.lib.php
@@ -24,4 +24,4 @@ class SHA1 // 定义SHA1类
         }
     }
 }
-?>
\ No newline at end of file
+?>