diff --git a/code/brash.txt b/code/brash.txt
index 6186dde..a129ca8 100644
--- a/code/brash.txt
+++ b/code/brash.txt
@@ -1 +1,2 @@
-brash code
\ No newline at end of file
+brash code
+2次更改
\ No newline at end of file
diff --git a/doc/数据库设计.txt b/doc/数据库设计.txt
new file mode 100644
index 0000000..f661506
--- /dev/null
+++ b/doc/数据库设计.txt
@@ -0,0 +1 @@
+采用mysql 数据库
\ No newline at end of file
diff --git a/doc/设计说明.txt b/doc/设计说明.txt
new file mode 100644
index 0000000..e69de29