diff --git a/1_HLD/0_WebCAD/Readme.txt b/1_HLD/0_WebCAD/Readme.txt
new file mode 100644
index 0000000..b82971c
--- /dev/null
+++ b/1_HLD/0_WebCAD/Readme.txt
@@ -0,0 +1 @@
+WebCAD产品的都写在本目录，一个需求对应一个文档
\ No newline at end of file
diff --git a/1_HLD/1_Mes/Readme.txt b/1_HLD/1_Mes/Readme.txt
new file mode 100644
index 0000000..df6a41f
--- /dev/null
+++ b/1_HLD/1_Mes/Readme.txt
@@ -0,0 +1 @@
+Mes产品的都写在本目录，一个需求对应一个文档
\ No newline at end of file
diff --git a/1_HLD/2_Erp/Readme.txt b/1_HLD/2_Erp/Readme.txt
new file mode 100644
index 0000000..b2cc10b
--- /dev/null
+++ b/1_HLD/2_Erp/Readme.txt
@@ -0,0 +1 @@
+Erp产品的都写在本目录，一个需求对应一个文档
\ No newline at end of file