diff --git a/doc/doc.md b/doc/doc.md
new file mode 100644
index 0000000..fe19484
--- /dev/null
+++ b/doc/doc.md
@@ -0,0 +1 @@
+这里存放各类文档
\ No newline at end of file
diff --git a/model/model.md b/model/model.md
new file mode 100644
index 0000000..6a81c7b
--- /dev/null
+++ b/model/model.md
@@ -0,0 +1 @@
+这里存放各类UML模型
\ No newline at end of file
diff --git a/other/other.md b/other/other.md
new file mode 100644
index 0000000..4818159
--- /dev/null
+++ b/other/other.md
@@ -0,0 +1 @@
+这里存放软件系统的产品海报和宣传PPT等
\ No newline at end of file
diff --git a/src/src.md b/src/src.md
new file mode 100644
index 0000000..30572c4
--- /dev/null
+++ b/src/src.md
@@ -0,0 +1 @@
+这里存放源程序代码
\ No newline at end of file