diff --git a/README.md b/README.md
new file mode 100644
index 0000000..654b4cc
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+# ipofiles
+批量下载招股说明书
diff --git a/stkcd.csv b/stkcd.csv
index 1cb4ac9..f577d43 100644
--- a/stkcd.csv
+++ b/stkcd.csv
@@ -1,6 +1 @@
-300215
-002633
-002798
-603377
-002839
-300104
\ No newline at end of file
+300402