diff --git a/bash-5.1/builtins_rust/common/src/shell.rs b/bash-5.1/builtins_rust/common/src/shell.rs
index 800f74ffa20165157b3a732981229d7fb0abe092..24344e916a98fc1dc86c29fc2eeca92cbb1d223e 100644
--- a/bash-5.1/builtins_rust/common/src/shell.rs
+++ b/bash-5.1/builtins_rust/common/src/shell.rs
@@ -1,13 +1,20 @@
+//# SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd.  
+
+//# SPDX-License-Identifier: GPL-3.0-or-later
 
 pub static EX_BADUSAGE:i32     = 2;
+
 pub static EX_MISCERROR:i32 = 2;
+
 pub static EX_RETRYFAIL:i32 = 124;
 pub static EX_WEXPCOMSUB:i32 = 125;
 pub static EX_BINARY_FILE :i32 = 126;
 pub static EX_NOEXEC: i32 = 126;
 pub static EX_NOINPUT:i32 = 126;
 pub static EX_NOTFOUND:i32 = 127;
+
 pub static EX_SHERRBASE:i32 = 256;     /* all special error values are > this. */
+
 pub static EX_BADSYNTAX:i32 = 257;     /* shell syntax error */
 pub static EX_REDIRFAIL:i32 =  259;    /* redirection failed */
 pub static EX_BADASSIGN        :i32 = 260;     /* variable assignment error */